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bank_transactions_nop_95

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sample_id int64 0 99	prompt stringlengths 4.63k 6.63k	bug_type stringclasses 4 values	bug_location stringlengths 5 5	explanation stringlengths 29 37	metadata_bug_type stringclasses 4 values	n_operations int64 76 114	full_label stringlengths 101 107	full_metadata stringlengths 39 43
42	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $23: B=4200 → 4177, A=4000 → 4023 [TX002] Transfer $278: B=4177 → 3899, A=4023 → 4301 [TX003] Transfer $309: B=3899 → 3590, A=4301 → 4610 [TX004] Transfer $287: A=4610 → 4323, B=3590 → 3877 [TX005] Transfer $21: B=3877 → 3856, A=4323 → 4344 [TX006] Transfer $456: B=3856 → 3400, A=4344 → 4800 [TX007] Transfer $212: A=4800 → 4588, B=3400 → 3612 [TX008] Transfer $677: B=3612 → 2935, A=4588 → 5265 [TX009] Transfer $678: B=2935 → 2257, A=5265 → 5943 [TX010] Transfer $556: B=2257 → 1701, A=5943 → 6499 [TX011] Transfer $933: B=1701 → 768, A=6499 → 7432 [TX012] Transfer $607: B=768 → 161, A=7432 → 8039 [TX013] Transfer $351: A=8039 → 7688, B=161 → 512 [TX014] Transfer $402: B=512 → 110, A=7688 → 8090 [TX015] Transfer $568: A=8090 → 7522, B=110 → 678 [TX016] Transfer $549: B=678 → 129, A=7522 → 8071 [TX017] Transfer $20: B=129 → 109, A=8071 → 8091 [TX018] Transfer $8: B=109 → 101, A=8091 → 8099 [TX019] Balance check: B=101 [TX020] Transfer $289: A=8099 → 7810, B=101 → 390 [TX021] Transfer $129: B=390 → 261, A=7810 → 7939 [TX022] Transfer $148: B=261 → 113, A=7939 → 8087 [TX023] Transfer $11: B=113 → 102, A=8087 → 8098 [TX024] Transfer $2: B=102 → 100, A=8098 → 8100 [TX025] Balance check: B=100 [TX026] Transfer $584: A=8100 → 7516, B=100 → 684 [TX027] Transfer $185: B=684 → 499, A=7516 → 7701 [TX028] Transfer $10: B=499 → 489, A=7701 → 7711 [TX029] Transfer $240: B=489 → 249, A=7711 → 7951 [TX030] Transfer $493: A=7951 → 7458, B=249 → 742 [TX031] Transfer $61: A=7458 → 7397, B=742 → 803 [TX032] Transfer $920: A=7397 → 6477, B=803 → 1723 [TX033] Transfer $453: B=1723 → 1270, A=6477 → 6930 [TX034] Transfer $786: A=6930 → 6144, B=1270 → 2056 [TX035] Transfer $891: B=2056 → 1165, A=6144 → 7035 [TX036] Transfer $234: B=1165 → 931, A=7035 → 7269 [TX037] Transfer $894: A=7269 → 6375, B=931 → 1825 [TX038] Transfer $119: A=6375 → 6256, B=1825 → 1944 [TX039] Transfer $702: A=6256 → 5554, B=1944 → 2646 [TX040] Transfer $44: B=2646 → 2602, A=5554 → 5598 [TX041] Transfer $976: A=5598 → 4622, B=2602 → 3578 [TX042] Transfer $18: B=3578 → 3560, A=4622 → 4640 [TX043] Transfer $616: B=3560 → 2944, A=4640 → 5256 [TX044] Transfer $113: A=5256 → 5143, B=2944 → 3057 [TX045] Transfer $117: A=5143 → 5026, B=3057 → 3174 [TX046] Transfer $210: A=5026 → 4816, B=3174 → 3384 [TX047] Transfer $851: B=3384 → 2533, A=4816 → 5667 [TX048] Transfer $659: B=2533 → 1874, A=5667 → 6326 [TX049] Transfer $148: B=1874 → 1726, A=6326 → 6474 [TX050] Transfer $623: A=6474 → 5851, B=1726 → 2349 [TX051] Transfer $1000: B=2349 → 1349, A=5851 → 6851 [TX052] Transfer $483: B=1349 → 866, A=6851 → 7334 [TX053] Transfer $166: B=866 → 700, A=7334 → 7500 [TX054] Transfer $299: B=700 → 401, A=7500 → 7799 [TX055] Transfer $110: A=7799 → 7689, B=401 → 511 [TX056] Transfer $525: A=7689 → 7164, B=511 → 1036 [TX057] Transfer $389: B=1036 → 647, A=7164 → 7553 [TX058] Transfer $392: A=7553 → 7161, B=647 → 1039 [TX059] Transfer $983: A=7161 → 6178, B=1039 → 2022 [TX060] Transfer $553: A=6178 → 5625, B=2022 → 2575 [TX061] Transfer $623: A=5625 → 5002, B=2575 → 3198 [TX062] Transfer $326: B=3198 → 2872, A=5002 → 5328 [TX063] Transfer $858: B=2872 → 2014, A=5328 → 6186 [TX064] Transfer $338: B=2014 → 1676, A=6186 → 6524 [TX065] Transfer $238: A=6524 → 6286, B=1676 → 1914 [TX066] Transfer $768: B=1914 → 1146, A=6286 → 7054 [TX067] Transfer $457: A=7054 → 6597, B=1146 → 1603 [TX068] Transfer $83: B=1603 → 1520, A=6597 → 6680 [TX069] Transfer $938: B=1520 → 582, A=6680 → 7618 [TX070] Transfer $311: B=582 → 271, A=7618 → 7929 [TX071] Transfer $807: A=7929 → 7122, B=271 → 1078 [TX072] Transfer $585: B=1078 → 493, A=7122 → 7707 [TX073] Transfer $797: A=7707 → 6910, B=493 → 1290 [TX074] Transfer $622: B=1290 → 668, A=6910 → 7532 [TX075] Transfer $351: B=668 → 317, A=7532 → 7883 [TX076] Transfer $22: B=317 → 295, A=7883 → 7905 [TX077] Transfer $131: B=295 → 164, A=7905 → 8036 [TX078] Transfer $649: A=8036 → 7387, B=164 → 813 [TX079] Transfer $899: A=7387 → 6488, B=813 → 1712 [TX080] Transfer $172: B=1712 → 1540, A=6488 → 6660 [TX081] Transfer $271: A=6660 → 6389, B=1540 → 1811 [TX082] Transfer $131: B=1811 → 1680, A=6389 → 6520 [TX083] Transfer $26: A=6520 → 6494, B=1680 → 1706 [TX084] Transfer $137: A=6494 → 6357, B=1706 → 1843 [TX085] Transfer $364: B=1843 → 1479, A=6357 → 6721 [TX086] Transfer $715: A=6721 → 6006, B=1479 → 2194 [TX087] Transfer $123: A=6006 → 5883, B=2194 → 2317 [TX088] Transfer $607: B=2317 → 1710, A=5883 → 6490 [TX089] Transfer $77: A=6490 → 6413, B=1710 → 1787 [TX090] Transfer $934: B=1787 → 853, A=6413 → 7347 [TX091] Transfer $448: B=853 → 405, A=7347 → 7795 [TX092] Transfer $70: B=405 → 335, A=7795 → 7865 [TX093] Transfer $157: A=7865 → 7708, B=335 → 492 [TX094] Transfer $692: A=7708 → 7016, B=492 → 1184 [TX095] Transfer $330: B=1184 → 854, A=7016 → 7346 [TX096] Transfer $522: B=854 → 332, A=7346 → 7868 [TX097] Transfer $61: B=332 → 271, A=7868 → 7929 [TX098] Transfer $89: B=271 → 182, A=7929 → 8018 [TX099] Transfer $8028: A=8018 → -10, B=182 → 8210 [TX100] Transfer $328: B=8210 → 7882, A=-10 → 318 [TX101] Transfer $12: A=318 → 306, B=7882 → 7894 [TX102] Transfer $134: A=306 → 172, B=7894 → 8028 [TX103] Transfer $103: B=8028 → 7925, A=172 → 275 [TX104] Transfer $171: B=7925 → 7754, A=275 → 446 [TX105] Transfer $142: A=446 → 304, B=7754 → 7896 [TX106] Transfer $231: B=7896 → 7665, A=304 → 535 [TX107] Transfer $134: A=535 → 401, B=7665 → 7799 [TX108] Transfer $144: A=401 → 257, B=7799 → 7943 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX099	Account balance goes negative	NEGATIVE_BAL	108	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX099", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 108}
41	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $30: B=4200 → 4170, A=4000 → 4030 [TX002] Transfer $125: B=4170 → 4045, A=4030 → 4155 [TX003] Transfer $596: B=4045 → 3449, A=4155 → 4751 [TX004] Transfer $662: B=3449 → 2787, A=4751 → 5413 [TX005] Transfer $931: B=2787 → 1856, A=5413 → 6344 [TX006] Transfer $481: B=1856 → 1375, A=6344 → 6825 [TX007] Transfer $11: B=1375 → 1364, A=6825 → 6836 [TX008] Transfer $514: A=6836 → 6322, B=1364 → 1878 [TX009] Transfer $926: A=6322 → 5396, B=1878 → 2804 [TX010] Transfer $180: B=2804 → 2624, A=5396 → 5576 [TX011] Transfer $673: A=5576 → 4903, B=2624 → 3297 [TX012] Transfer $734: B=3297 → 2563, A=4903 → 5637 [TX013] Transfer $805: A=5637 → 4832, B=2563 → 3368 [TX014] Transfer $71: B=3368 → 3297, A=4832 → 4903 [TX015] Transfer $987: B=3297 → 2310, A=4903 → 5890 [TX016] Transfer $591: B=2310 → 1719, A=5890 → 6481 [TX017] Transfer $716: B=1719 → 1003, A=6481 → 7197 [TX018] Transfer $600: B=1003 → 403, A=7197 → 7797 [TX019] Transfer $25: B=403 → 378, A=7797 → 7822 [TX020] Transfer $239: A=7822 → 7583, B=378 → 617 [TX021] Transfer $513: A=7583 → 7070, B=617 → 1130 [TX022] Transfer $780: B=1130 → 350, A=7070 → 7850 [TX023] Transfer $109: A=7850 → 7741, B=350 → 459 [TX024] Transfer $775: A=7741 → 6966, B=459 → 1234 [TX025] Transfer $65: B=1234 → 1169, A=6966 → 7031 [TX026] Transfer $40: B=1169 → 1129, A=7031 → 7071 [TX027] Transfer $783: A=7071 → 6288, B=1129 → 1912 [TX028] Transfer $947: B=1912 → 965, A=6288 → 7235 [TX029] Transfer $112: A=7235 → 7123, B=965 → 1077 [TX030] Payment PAY1011: Transfer $70: B=1077 → 1007, A=7123 → 7193 [TX031] Transfer $260: A=7193 → 6933, B=1007 → 1267 [TX032] Transfer $697: B=1267 → 570, A=6933 → 7630 [TX033] Transfer $105: B=570 → 465, A=7630 → 7735 [TX034] Transfer $835: A=7735 → 6900, B=465 → 1300 [TX035] Transfer $598: A=6900 → 6302, B=1300 → 1898 [TX036] Transfer $210: A=6302 → 6092, B=1898 → 2108 [TX037] Transfer $916: A=6092 → 5176, B=2108 → 3024 [TX038] Transfer $794: A=5176 → 4382, B=3024 → 3818 [TX039] Transfer $350: B=3818 → 3468, A=4382 → 4732 [TX040] Transfer $196: A=4732 → 4536, B=3468 → 3664 [TX041] Transfer $514: A=4536 → 4022, B=3664 → 4178 [TX042] Transfer $635: B=4178 → 3543, A=4022 → 4657 [TX043] Transfer $451: A=4657 → 4206, B=3543 → 3994 [TX044] Transfer $896: B=3994 → 3098, A=4206 → 5102 [TX045] Transfer $132: A=5102 → 4970, B=3098 → 3230 [TX046] Transfer $122: B=3230 → 3108, A=4970 → 5092 [TX047] Transfer $54: B=3108 → 3054, A=5092 → 5146 [TX048] Transfer $231: B=3054 → 2823, A=5146 → 5377 [TX049] Transfer $401: B=2823 → 2422, A=5377 → 5778 [TX050] Transfer $895: B=2422 → 1527, A=5778 → 6673 [TX051] Transfer $78: A=6673 → 6595, B=1527 → 1605 [TX052] Transfer $410: A=6595 → 6185, B=1605 → 2015 [TX053] Transfer $598: A=6185 → 5587, B=2015 → 2613 [TX054] Transfer $670: B=2613 → 1943, A=5587 → 6257 [TX055] Transfer $348: A=6257 → 5909, B=1943 → 2291 [TX056] Transfer $207: B=2291 → 2084, A=5909 → 6116 [TX057] Transfer $144: B=2084 → 1940, A=6116 → 6260 [TX058] Transfer $948: A=6260 → 5312, B=1940 → 2888 [TX059] Transfer $507: A=5312 → 4805, B=2888 → 3395 [TX060] Transfer $356: A=4805 → 4449, B=3395 → 3751 [TX061] Transfer $614: A=4449 → 3835, B=3751 → 4365 [TX062] Transfer $971: A=3835 → 2864, B=4365 → 5336 [TX063] Transfer $742: A=2864 → 2122, B=5336 → 6078 [TX064] Transfer $38: A=2122 → 2084, B=6078 → 6116 [TX065] Transfer $667: B=6116 → 5449, A=2084 → 2751 [TX066] Transfer $491: B=5449 → 4958, A=2751 → 3242 [TX067] Transfer $23: B=4958 → 4935, A=3242 → 3265 [TX068] Transfer $794: A=3265 → 2471, B=4935 → 5729 [TX069] Transfer $700: A=2471 → 1771, B=5729 → 6429 [TX070] Transfer $55: A=1771 → 1716, B=6429 → 6484 [TX071] Transfer $714: B=6484 → 5770, A=1716 → 2430 [TX072] Transfer $720: A=2430 → 1710, B=5770 → 6490 [TX073] Transfer $120: B=6490 → 6370, A=1710 → 1830 [TX074] Transfer $920: B=6370 → 5450, A=1830 → 2750 [TX075] Transfer $200: B=5450 → 5250, A=2750 → 2950 [TX076] Transfer $942: B=5250 → 4308, A=2950 → 3892 [TX077] Transfer $239: A=3892 → 3653, B=4308 → 4547 [TX078] Transfer $234: A=3653 → 3419, B=4547 → 4781 [TX079] Transfer $823: B=4781 → 3958, A=3419 → 4242 [TX080] Transfer $834: A=4242 → 3408, B=3958 → 4792 [TX081] Transfer $60: A=3408 → 3348, B=4792 → 4852 [TX082] Transfer $186: A=3348 → 3162, B=4852 → 5038 [TX083] Transfer $323: B=5038 → 4715, A=3162 → 3485 [TX084] Payment PAY1011: Transfer $70: B=4715 → 4645, A=3485 → 3555 [TX085] Transfer $301: B=4645 → 4344, A=3555 → 3856 [TX086] Transfer $492: A=3856 → 3364, B=4344 → 4836 [TX087] Transfer $80: A=3364 → 3284, B=4836 → 4916 [TX088] Transfer $508: B=4916 → 4408, A=3284 → 3792 [TX089] Transfer $456: B=4408 → 3952, A=3792 → 4248 [TX090] Transfer $800: B=3952 → 3152, A=4248 → 5048 [TX091] Transfer $541: B=3152 → 2611, A=5048 → 5589 [TX092] Transfer $716: B=2611 → 1895, A=5589 → 6305 [TX093] Transfer $356: A=6305 → 5949, B=1895 → 2251 [TX094] Transfer $288: B=2251 → 1963, A=5949 → 6237 [TX095] Transfer $935: A=6237 → 5302, B=1963 → 2898 [TX096] Transfer $314: A=5302 → 4988, B=2898 → 3212 [TX097] Transfer $383: A=4988 → 4605, B=3212 → 3595 [TX098] Transfer $242: A=4605 → 4363, B=3595 → 3837 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX084	Payment PAY1011 processed twice	DUPLICATE_TXN	98	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX084", "explanation": "Payment PAY1011 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 98}
91	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $717: A=4000 → 3283, B=4200 → 4917 [TX002] Transfer $63: B=4917 → 4854, A=3283 → 3346 [TX003] Transfer $990: A=3346 → 2356, B=4854 → 5844 [TX004] Transfer $321: A=2356 → 2035, B=5844 → 6165 [TX005] Transfer $334: A=2035 → 1701, B=6165 → 6499 [TX006] Transfer $258: A=1701 → 1443, B=6499 → 6757 [TX007] Transfer $494: A=1443 → 949, B=6757 → 7251 [TX008] Transfer $648: B=7251 → 6603, A=949 → 1597 [TX009] Transfer $499: A=1597 → 1098, B=6603 → 7102 [TX010] Transfer $101: A=1098 → 997, B=7102 → 7203 [TX011] Transfer $648: A=997 → 349, B=7203 → 7851 [TX012] Transfer $310: B=7851 → 7541, A=349 → 659 [TX013] Transfer $467: A=659 → 192, B=7541 → 8008 [TX014] Transfer $210: A=192 → -18, B=8008 → 8218 [TX015] Balance check: A=-18 [TX016] Transfer $252: B=8218 → 7966, A=-18 → 234 [TX017] Transfer $69: A=234 → 165, B=7966 → 8035 [TX018] Transfer $3: A=165 → 162, B=8035 → 8038 [TX019] Transfer $56: B=8038 → 7982, A=162 → 218 [TX020] Transfer $8: A=218 → 210, B=7982 → 7990 [TX021] Transfer $44: A=210 → 166, B=7990 → 8034 [TX022] Transfer $693: B=8034 → 7341, A=166 → 859 [TX023] Transfer $174: B=7341 → 7167, A=859 → 1033 [TX024] Transfer $100: B=7167 → 7067, A=1033 → 1133 [TX025] Transfer $29: B=7067 → 7038, A=1133 → 1162 [TX026] Transfer $493: B=7038 → 6545, A=1162 → 1655 [TX027] Transfer $324: A=1655 → 1331, B=6545 → 6869 [TX028] Transfer $329: A=1331 → 1002, B=6869 → 7198 [TX029] Transfer $99: A=1002 → 903, B=7198 → 7297 [TX030] Transfer $916: B=7297 → 6381, A=903 → 1819 [TX031] Transfer $871: A=1819 → 948, B=6381 → 7252 [TX032] Transfer $140: A=948 → 808, B=7252 → 7392 [TX033] Transfer $40: A=808 → 768, B=7392 → 7432 [TX034] Transfer $239: A=768 → 529, B=7432 → 7671 [TX035] Transfer $342: A=529 → 187, B=7671 → 8013 [TX036] Transfer $49: A=187 → 138, B=8013 → 8062 [TX037] Transfer $672: B=8062 → 7390, A=138 → 810 [TX038] Transfer $681: A=810 → 129, B=7390 → 8071 [TX039] Transfer $5: A=129 → 124, B=8071 → 8076 [TX040] Transfer $19: A=124 → 105, B=8076 → 8095 [TX041] Transfer $230: B=8095 → 7865, A=105 → 335 [TX042] Transfer $60: A=335 → 275, B=7865 → 7925 [TX043] Transfer $48: A=275 → 227, B=7925 → 7973 [TX044] Transfer $817: B=7973 → 7156, A=227 → 1044 [TX045] Transfer $251: A=1044 → 793, B=7156 → 7407 [TX046] Transfer $854: B=7407 → 6553, A=793 → 1647 [TX047] Transfer $343: B=6553 → 6210, A=1647 → 1990 [TX048] Transfer $313: A=1990 → 1677, B=6210 → 6523 [TX049] Transfer $307: A=1677 → 1370, B=6523 → 6830 [TX050] Transfer $440: B=6830 → 6390, A=1370 → 1810 [TX051] Transfer $272: A=1810 → 1538, B=6390 → 6662 [TX052] Transfer $199: B=6662 → 6463, A=1538 → 1737 [TX053] Transfer $765: B=6463 → 5698, A=1737 → 2502 [TX054] Transfer $255: A=2502 → 2247, B=5698 → 5953 [TX055] Transfer $653: B=5953 → 5300, A=2247 → 2900 [TX056] Transfer $285: B=5300 → 5015, A=2900 → 3185 [TX057] Transfer $638: B=5015 → 4377, A=3185 → 3823 [TX058] Transfer $366: B=4377 → 4011, A=3823 → 4189 [TX059] Transfer $344: B=4011 → 3667, A=4189 → 4533 [TX060] Transfer $984: A=4533 → 3549, B=3667 → 4651 [TX061] Transfer $835: B=4651 → 3816, A=3549 → 4384 [TX062] Transfer $275: B=3816 → 3541, A=4384 → 4659 [TX063] Transfer $985: B=3541 → 2556, A=4659 → 5644 [TX064] Transfer $808: A=5644 → 4836, B=2556 → 3364 [TX065] Transfer $636: A=4836 → 4200, B=3364 → 4000 [TX066] Transfer $309: B=4000 → 3691, A=4200 → 4509 [TX067] Transfer $486: A=4509 → 4023, B=3691 → 4177 [TX068] Transfer $257: B=4177 → 3920, A=4023 → 4280 [TX069] Transfer $165: B=3920 → 3755, A=4280 → 4445 [TX070] Transfer $798: B=3755 → 2957, A=4445 → 5243 [TX071] Transfer $446: B=2957 → 2511, A=5243 → 5689 [TX072] Transfer $348: B=2511 → 2163, A=5689 → 6037 [TX073] Transfer $132: A=6037 → 5905, B=2163 → 2295 [TX074] Transfer $159: B=2295 → 2136, A=5905 → 6064 [TX075] Transfer $900: B=2136 → 1236, A=6064 → 6964 [TX076] Transfer $947: B=1236 → 289, A=6964 → 7911 [TX077] Transfer $107: A=7911 → 7804, B=289 → 396 [TX078] Transfer $43: B=396 → 353, A=7804 → 7847 [TX079] Transfer $886: A=7847 → 6961, B=353 → 1239 [TX080] Transfer $764: B=1239 → 475, A=6961 → 7725 [TX081] Transfer $279: A=7725 → 7446, B=475 → 754 [TX082] Transfer $422: A=7446 → 7024, B=754 → 1176 [TX083] Transfer $254: B=1176 → 922, A=7024 → 7278 [TX084] Transfer $805: A=7278 → 6473, B=922 → 1727 [TX085] Transfer $750: A=6473 → 5723, B=1727 → 2477 [TX086] Transfer $581: A=5723 → 5142, B=2477 → 3058 [TX087] Transfer $632: B=3058 → 2426, A=5142 → 5774 [TX088] Transfer $100: A=5774 → 5674, B=2426 → 2526 [TX089] Transfer $691: B=2526 → 1835, A=5674 → 6365 [TX090] Transfer $405: A=6365 → 5960, B=1835 → 2240 [TX091] Transfer $92: A=5960 → 5868, B=2240 → 2332 [TX092] Transfer $25: A=5868 → 5843, B=2332 → 2357 [TX093] Transfer $487: B=2357 → 1870, A=5843 → 6330 [TX094] Transfer $62: A=6330 → 6268, B=1870 → 1932 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX014	Account balance goes negative	NEGATIVE_BAL	94	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX014", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 94}
9	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $86: A=4000 → 3914, B=4200 → 4286 [TX002] Transfer $662: B=4286 → 3624, A=3914 → 4576 [TX003] Transfer $918: B=3624 → 2706, A=4576 → 5494 [TX004] Transfer $218: A=5494 → 5276, B=2706 → 2924 [TX005] Transfer $49: B=2924 → 2875, A=5276 → 5325 [TX006] Transfer $922: A=5325 → 4403, B=2875 → 3797 [TX007] Transfer $953: A=4403 → 3450, B=3797 → 4750 [TX008] Transfer $986: B=4750 → 3764, A=3450 → 4436 [TX009] Transfer $772: A=4436 → 3664, B=3764 → 4536 [TX010] Transfer $308: B=4536 → 4228, A=3664 → 3972 [TX011] Transfer $582: A=3972 → 3390, B=4228 → 4810 [TX012] Transfer $395: B=4810 → 4415, A=3390 → 3785 [TX013] Transfer $514: A=3785 → 3271, B=4415 → 4929 [TX014] Transfer $102: B=4929 → 4827, A=3271 → 3373 [TX015] Transfer $860: B=4827 → 3967, A=3373 → 4233 [TX016] Transfer $621: A=4233 → 3612, B=3967 → 4588 [TX017] Transfer $32: B=4588 → 4556, A=3612 → 3644 [TX018] Transfer $504: B=4556 → 4052, A=3644 → 4148 [TX019] Transfer $568: A=4148 → 3580, B=4052 → 4620 [TX020] Transfer $192: B=4620 → 4428, A=3580 → 3772 [TX021] Transfer $792: B=4428 → 3636, A=3772 → 4564 [TX022] Transfer $732: B=3636 → 2904, A=4564 → 5296 [TX023] Transfer $276: A=5296 → 5020, B=2904 → 3180 [TX024] Transfer $730: A=5020 → 4290, B=3180 → 3910 [TX025] Transfer $326: A=4290 → 3964, B=3910 → 4236 [TX026] Transfer $95: B=4236 → 4141, A=3964 → 4059 [TX027] Transfer $457: A=4059 → 3602, B=4141 → 4598 [TX028] Transfer $106: B=4598 → 4492, A=3602 → 3708 [TX029] Transfer $193: A=3708 → 3515, B=4492 → 4685 [TX030] Transfer $572: B=4685 → 4113, A=3515 → 4087 [TX031] Transfer $28: B=4113 → 4085, A=4087 → 4115 [TX032] Transfer $569: A=4115 → 3546, B=4085 → 4654 [TX033] Transfer $886: A=3546 → 2660, B=4654 → 5540 [TX034] Transfer $300: B=5540 → 5240, A=2660 → 2960 [TX035] Transfer $799: B=5240 → 4441, A=2960 → 3759 [TX036] Transfer $587: A=3759 → 3172, B=4441 → 5028 [TX037] Transfer $175: A=3172 → 2997, B=5028 → 5203 [TX038] Transfer $310: A=2997 → 2687, B=5203 → 5513 [TX039] Transfer $151: B=5513 → 5362, A=2687 → 2838 [TX040] Transfer $447: A=2838 → 2391, B=5362 → 5809 [TX041] Transfer $308: B=5809 → 5501, A=2391 → 2699 [TX042] Transfer $371: B=5501 → 5130, A=2699 → 3070 [TX043] Transfer $740: B=5130 → 4390, A=3070 → 3810 [TX044] Transfer $470: B=4390 → 3920, A=3810 → 4280 [TX045] Transfer $313: A=4280 → 3967, B=3920 → 4233 [TX046] Transfer $342: A=3967 → 3625, B=4233 → 4575 [TX047] Transfer $452: B=4575 → 4123, A=3625 → 4077 [TX048] Transfer $837: B=4123 → 3286, A=4077 → 4914 [TX049] Transfer $330: A=4914 → 4584, B=3286 → 3616 [TX050] Transfer $323: A=4584 → 4261, B=3616 → 3939 [TX051] Transfer $993: A=4261 → 3268, B=3939 → 4932 [TX052] Transfer $754: B=4932 → 4178, A=3268 → 4022 [TX053] Transfer $335: B=4178 → 3843, A=4022 → 4357 [TX054] Transfer $838: B=3843 → 3005, A=4357 → 5195 [TX055] Transfer $118: B=3005 → 2887, A=5195 → 5313 [TX056] Transfer $700: A=5313 → 4613, B=2887 → 3587 [TX057] Transfer $967: A=4613 → 3646, B=3587 → 4554 [TX058] Transfer $818: A=3646 → 2828, B=4554 → 5372 [TX059] Transfer $840: B=5372 → 4532, A=2828 → 3668 [TX060] Transfer $144: B=4532 → 4388, A=3668 → 3812 [TX061] Transfer $260: B=4388 → 4128, A=3812 → 4072 [TX062] Transfer $810: A=4072 → 3262, B=4128 → 4938 [TX063] Transfer $461: B=4938 → 4477, A=3262 → 3723 [TX064] Transfer $549: B=4477 → 3928, A=3723 → 4272 [TX065] Transfer $811: B=3928 → 3117, A=4272 → 5083 [TX066] Transfer $113: B=3117 → 3004, A=5083 → 5196 [TX067] Transfer $172: A=5196 → 5024, B=3004 → 3176 [TX068] Transfer $992: A=5024 → 4032, B=3176 → 4168 [TX069] Transfer $110: B=4168 → 4058, A=4032 → 4142 [TX070] Transfer $266: A=4142 → 3876, B=4058 → 4324 [TX071] Transfer $458: A=3876 → 3418, B=4324 → 4782 [TX072] Transfer $476: B=4782 → 4306, A=3418 → 3894 [TX073] Transfer $27: A=3894 → 3867, B=4306 → 4333 [TX074] Transfer $304: B=4333 → 4029, A=3867 → 4171 [TX075] Transfer $120: B=4029 → 3909, A=4171 → 4291 [TX076] Transfer $321: A=4291 → 3970, B=3909 → 4230 [TX077] Transfer $805: B=4230 → 3425, A=3970 → 4775 [TX078] Transfer $358: A=4775 → 4417, B=3425 → 3783 [TX079] Transfer $450: B=3783 → 3333, A=4417 → 4867 [TX080] Transfer $70: B=3333 → 3263, A=4867 → 4937 [TX081] Transfer $831: B=3263 → 2432, A=4937 → 5768 [TX082] Transfer $871: A=5768 → 4897, B=2432 → 3303 [TX083] Transfer $3309: B=3303 → -6, A=4897 → 8206 [TX084] Transfer $567: A=8206 → 7639, B=-6 → 561 [TX085] Transfer $575: A=7639 → 7064, B=561 → 1136 [TX086] Transfer $239: B=1136 → 897, A=7064 → 7303 [TX087] Transfer $192: B=897 → 705, A=7303 → 7495 [TX088] Transfer $31: B=705 → 674, A=7495 → 7526 [TX089] Transfer $608: A=7526 → 6918, B=674 → 1282 [TX090] Transfer $6: B=1282 → 1276, A=6918 → 6924 [TX091] Transfer $287: A=6924 → 6637, B=1276 → 1563 [TX092] Transfer $820: A=6637 → 5817, B=1563 → 2383 [TX093] Transfer $335: A=5817 → 5482, B=2383 → 2718 [TX094] Transfer $118: A=5482 → 5364, B=2718 → 2836 [TX095] Transfer $542: B=2836 → 2294, A=5364 → 5906 [TX096] Transfer $627: B=2294 → 1667, A=5906 → 6533 [TX097] Transfer $358: B=1667 → 1309, A=6533 → 6891 [TX098] Transfer $634: B=1309 → 675, A=6891 → 7525 [TX099] Transfer $942: A=7525 → 6583, B=675 → 1617 [TX100] Transfer $322: A=6583 → 6261, B=1617 → 1939 [TX101] Transfer $314: A=6261 → 5947, B=1939 → 2253 [TX102] Transfer $384: A=5947 → 5563, B=2253 → 2637 [TX103] Transfer $430: A=5563 → 5133, B=2637 → 3067 [TX104] Transfer $435: A=5133 → 4698, B=3067 → 3502 [TX105] Transfer $652: A=4698 → 4046, B=3502 → 4154 [TX106] Transfer $503: A=4046 → 3543, B=4154 → 4657 [TX107] Transfer $193: B=4657 → 4464, A=3543 → 3736 [TX108] Transfer $636: B=4464 → 3828, A=3736 → 4372 [TX109] Transfer $976: A=4372 → 3396, B=3828 → 4804 [TX110] Transfer $141: A=3396 → 3255, B=4804 → 4945 [TX111] Transfer $988: A=3255 → 2267, B=4945 → 5933 [TX112] Transfer $703: B=5933 → 5230, A=2267 → 2970 [TX113] Transfer $729: B=5230 → 4501, A=2970 → 3699 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX083	Account balance goes negative	NEGATIVE_BAL	113	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX083", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 113}
65	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $720: A=4000 → 3280, B=4200 → 4920 [TX002] Transfer $257: B=4920 → 4663, A=3280 → 3537 [TX003] Transfer $19: A=3537 → 3518, B=4663 → 4682 [TX004] Transfer $981: B=4682 → 3701, A=3518 → 4499 [TX005] Transfer $379: B=3701 → 3322, A=4499 → 4878 [TX006] Transfer $639: B=3322 → 2683, A=4878 → 5517 [TX007] Transfer $455: A=5517 → 5062, B=2683 → 3138 [TX008] Transfer $293: B=3138 → 2845, A=5062 → 5355 [TX009] Transfer $970: B=2845 → 1875, A=5355 → 6325 [TX010] Transfer $493: A=6325 → 5832, B=1875 → 2368 [TX011] Payment PAY1015: Transfer $858: A=5832 → 4974, B=2368 → 3226 [TX012] Transfer $446: B=3226 → 2780, A=4974 → 5420 [TX013] Transfer $47: A=5420 → 5373, B=2780 → 2827 [TX014] Transfer $818: A=5373 → 4555, B=2827 → 3645 [TX015] Transfer $214: A=4555 → 4341, B=3645 → 3859 [TX016] Transfer $569: A=4341 → 3772, B=3859 → 4428 [TX017] Transfer $462: A=3772 → 3310, B=4428 → 4890 [TX018] Transfer $783: B=4890 → 4107, A=3310 → 4093 [TX019] Transfer $167: A=4093 → 3926, B=4107 → 4274 [TX020] Transfer $559: B=4274 → 3715, A=3926 → 4485 [TX021] Transfer $833: A=4485 → 3652, B=3715 → 4548 [TX022] Transfer $111: B=4548 → 4437, A=3652 → 3763 [TX023] Transfer $891: A=3763 → 2872, B=4437 → 5328 [TX024] Transfer $723: A=2872 → 2149, B=5328 → 6051 [TX025] Transfer $88: A=2149 → 2061, B=6051 → 6139 [TX026] Transfer $420: A=2061 → 1641, B=6139 → 6559 [TX027] Transfer $254: B=6559 → 6305, A=1641 → 1895 [TX028] Transfer $731: A=1895 → 1164, B=6305 → 7036 [TX029] Transfer $83: A=1164 → 1081, B=7036 → 7119 [TX030] Transfer $371: A=1081 → 710, B=7119 → 7490 [TX031] Transfer $309: B=7490 → 7181, A=710 → 1019 [TX032] Transfer $181: A=1019 → 838, B=7181 → 7362 [TX033] Transfer $27: A=838 → 811, B=7362 → 7389 [TX034] Transfer $188: A=811 → 623, B=7389 → 7577 [TX035] Transfer $459: B=7577 → 7118, A=623 → 1082 [TX036] Transfer $612: B=7118 → 6506, A=1082 → 1694 [TX037] Transfer $32: B=6506 → 6474, A=1694 → 1726 [TX038] Transfer $576: A=1726 → 1150, B=6474 → 7050 [TX039] Transfer $205: A=1150 → 945, B=7050 → 7255 [TX040] Transfer $162: A=945 → 783, B=7255 → 7417 [TX041] Transfer $860: B=7417 → 6557, A=783 → 1643 [TX042] Transfer $449: B=6557 → 6108, A=1643 → 2092 [TX043] Transfer $363: A=2092 → 1729, B=6108 → 6471 [TX044] Transfer $852: A=1729 → 877, B=6471 → 7323 [TX045] Transfer $21: A=877 → 856, B=7323 → 7344 [TX046] Transfer $274: A=856 → 582, B=7344 → 7618 [TX047] Transfer $437: B=7618 → 7181, A=582 → 1019 [TX048] Transfer $340: A=1019 → 679, B=7181 → 7521 [TX049] Transfer $121: A=679 → 558, B=7521 → 7642 [TX050] Transfer $303: A=558 → 255, B=7642 → 7945 [TX051] Transfer $129: B=7945 → 7816, A=255 → 384 [TX052] Transfer $22: B=7816 → 7794, A=384 → 406 [TX053] Transfer $558: B=7794 → 7236, A=406 → 964 [TX054] Transfer $589: A=964 → 375, B=7236 → 7825 [TX055] Transfer $129: A=375 → 246, B=7825 → 7954 [TX056] Transfer $46: A=246 → 200, B=7954 → 8000 [TX057] Transfer $80: A=200 → 120, B=8000 → 8080 [TX058] Transfer $17: A=120 → 103, B=8080 → 8097 [TX059] Transfer $656: B=8097 → 7441, A=103 → 759 [TX060] Transfer $205: A=759 → 554, B=7441 → 7646 [TX061] Transfer $703: B=7646 → 6943, A=554 → 1257 [TX062] Transfer $393: A=1257 → 864, B=6943 → 7336 [TX063] Transfer $422: B=7336 → 6914, A=864 → 1286 [TX064] Transfer $154: B=6914 → 6760, A=1286 → 1440 [TX065] Transfer $295: A=1440 → 1145, B=6760 → 7055 [TX066] Transfer $493: A=1145 → 652, B=7055 → 7548 [TX067] Transfer $240: B=7548 → 7308, A=652 → 892 [TX068] Transfer $449: A=892 → 443, B=7308 → 7757 [TX069] Transfer $265: A=443 → 178, B=7757 → 8022 [TX070] Transfer $627: B=8022 → 7395, A=178 → 805 [TX071] Transfer $70: B=7395 → 7325, A=805 → 875 [TX072] Transfer $906: B=7325 → 6419, A=875 → 1781 [TX073] Transfer $28: B=6419 → 6391, A=1781 → 1809 [TX074] Transfer $54: A=1809 → 1755, B=6391 → 6445 [TX075] Transfer $110: B=6445 → 6335, A=1755 → 1865 [TX076] Transfer $58: A=1865 → 1807, B=6335 → 6393 [TX077] Transfer $647: A=1807 → 1160, B=6393 → 7040 [TX078] Transfer $872: B=7040 → 6168, A=1160 → 2032 [TX079] Transfer $380: A=2032 → 1652, B=6168 → 6548 [TX080] Transfer $920: B=6548 → 5628, A=1652 → 2572 [TX081] Transfer $457: A=2572 → 2115, B=5628 → 6085 [TX082] Transfer $952: A=2115 → 1163, B=6085 → 7037 [TX083] Transfer $995: A=1163 → 168, B=7037 → 8032 [TX084] Transfer $313: B=8032 → 7719, A=168 → 481 [TX085] Transfer $63: A=481 → 418, B=7719 → 7782 [TX086] Transfer $536: B=7782 → 7246, A=418 → 954 [TX087] Transfer $521: A=954 → 433, B=7246 → 7767 [TX088] Transfer $956: B=7767 → 6811, A=433 → 1389 [TX089] Transfer $65: A=1389 → 1324, B=6811 → 6876 [TX090] Transfer $555: A=1324 → 769, B=6876 → 7431 [TX091] Transfer $487: A=769 → 282, B=7431 → 7918 [TX092] Transfer $684: B=7918 → 7234, A=282 → 966 [TX093] Transfer $864: A=966 → 102, B=7234 → 8098 [TX094] Transfer $2: A=102 → 100, B=8098 → 8100 [TX095] Transfer $95: B=8100 → 8005, A=100 → 195 [TX096] Transfer $67: A=195 → 128, B=8005 → 8072 [TX097] Transfer $812: B=8072 → 7260, A=128 → 940 [TX098] Transfer $575: A=940 → 365, B=7260 → 7835 [TX099] Payment PAY1015: Transfer $858: A=365 → -493, B=7835 → 8693 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX099	Payment PAY1015 processed twice	DUPLICATE_TXN	99	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX099", "explanation": "Payment PAY1015 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 99}
50	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $240: B=4200 → 3960, A=4000 → 4240 [TX002] Transfer $786: B=3960 → 3174, A=4240 → 5026 [TX003] Transfer $996: B=3174 → 2178, A=5026 → 6022 [TX004] Transfer $603: A=6022 → 5419, B=2178 → 2781 [TX005] Transfer $630: A=5419 → 4789, B=2781 → 3411 [TX006] Transfer $749: A=4789 → 4040, B=3411 → 4160 [TX007] Transfer $256: A=4040 → 3784, B=4160 → 4416 [TX008] Transfer $32: A=3784 → 3752, B=4416 → 4448 [TX009] Transfer $341: B=4448 → 4107, A=3752 → 4093 [TX010] Transfer $970: A=4093 → 3123, B=4107 → 5077 [TX011] Transfer $826: B=5077 → 4251, A=3123 → 3949 [TX012] Transfer $715: B=4251 → 3536, A=3949 → 4664 [TX013] Transfer $869: B=3536 → 2667, A=4664 → 5533 [TX014] Transfer $100: B=2667 → 2567, A=5533 → 5633 [TX015] Transfer $183: B=2567 → 2384, A=5633 → 5816 [TX016] Transfer $513: B=2384 → 1871, A=5816 → 6329 [TX017] Transfer $268: A=6329 → 6061, B=1871 → 2139 [TX018] Transfer $234: B=2139 → 1905, A=6061 → 6295 [TX019] Transfer $349: B=1905 → 1556, A=6295 → 6644 [TX020] Transfer $538: B=1556 → 1018, A=6644 → 7182 [TX021] Transfer $902: B=1018 → 116, A=7182 → 8084 [TX022] Transfer $701: A=8084 → 7383, B=116 → 817 [TX023] Transfer $174: B=817 → 643, A=7383 → 7557 [TX024] Transfer $6: A=7557 → 7551, B=643 → 649 [TX025] Transfer $315: B=649 → 334, A=7551 → 7866 [TX026] Transfer $881: A=7866 → 6985, B=334 → 1215 [TX027] Transfer $195: A=6985 → 6790, B=1215 → 1410 [TX028] Transfer $550: B=1410 → 860, A=6790 → 7340 [TX029] Transfer $101: A=7340 → 7239, B=860 → 961 [TX030] Transfer $589: A=7239 → 6650, B=961 → 1550 [TX031] Transfer $725: A=6650 → 5925, B=1550 → 2275 [TX032] Transfer $835: A=5925 → 5090, B=2275 → 3110 [TX033] Transfer $639: B=3110 → 2471, A=5090 → 5729 [TX034] Transfer $828: A=5729 → 4901, B=2471 → 3299 [TX035] Transfer $112: B=3299 → 3187, A=4901 → 5013 [TX036] Transfer $606: B=3187 → 2581, A=5013 → 5619 [TX037] Transfer $511: A=5619 → 5108, B=2581 → 3092 [TX038] Transfer $629: A=5108 → 4479, B=3092 → 3721 [TX039] Transfer $952: B=3721 → 2769, A=4479 → 5431 [TX040] Transfer $968: B=2769 → 1801, A=5431 → 6399 [TX041] Transfer $348: A=6399 → 6051, B=1801 → 2149 [TX042] Transfer $146: A=6051 → 5905, B=2149 → 2295 [TX043] Transfer $194: A=5905 → 5711, B=2295 → 2489 [TX044] Transfer $368: B=2489 → 2121, A=5711 → 6079 [TX045] Transfer $832: A=6079 → 5247, B=2121 → 2953 [TX046] Transfer $681: A=5247 → 4566, B=2953 → 3634 [TX047] Transfer $777: B=3634 → 2857, A=4566 → 5343 [TX048] Transfer $330: A=5343 → 5013, B=2857 → 3187 [TX049] Transfer $783: A=5013 → 4230, B=3187 → 3970 [TX050] Transfer $968: A=4230 → 3262, B=3970 → 4938 [TX051] Transfer $447: B=4938 → 4491, A=3262 → 3709 [TX052] Transfer $504: B=4491 → 3987, A=3709 → 4213 [TX053] Transfer $108: A=4213 → 4105, B=3987 → 4095 [TX054] Transfer $626: B=4095 → 3469, A=4105 → 4731 [TX055] Transfer $511: B=3469 → 2958, A=4731 → 5242 [TX056] Transfer $542: B=2958 → 2416, A=5242 → 5784 [TX057] Transfer $971: A=5784 → 4813, B=2416 → 3387 [TX058] Transfer $915: A=4813 → 3898, B=3387 → 4302 [TX059] Transfer $758: A=3898 → 3140, B=4302 → 5060 [TX060] Transfer $50: A=3140 → 3090, B=5060 → 5110 [TX061] Transfer $194: B=5110 → 4916, A=3090 → 3284 [TX062] Transfer $845: B=4916 → 4071, A=3284 → 4129 [TX063] Transfer $522: B=4071 → 3549, A=4129 → 4651 [TX064] Transfer $934: B=3549 → 2615, A=4651 → 5585 [TX065] Transfer $470: A=5585 → 5115, B=2615 → 3085 [TX066] Transfer $731: A=5115 → 4384, B=3085 → 3816 [TX067] Transfer $733: B=3816 → 3083, A=4384 → 5117 [TX068] Transfer $213: A=5117 → 4904, B=3083 → 3296 [TX069] Transfer $946: A=4904 → 3958, B=3296 → 4242 [TX070] Transfer $4246: B=4242 → -4, A=3958 → 8204 [TX071] Balance check: B=-4 [TX072] Transfer $183: A=8204 → 8021, B=-4 → 179 [TX073] Transfer $49: B=179 → 130, A=8021 → 8070 [TX074] Transfer $6: B=130 → 124, A=8070 → 8076 [TX075] Transfer $638: A=8076 → 7438, B=124 → 762 [TX076] Transfer $586: B=762 → 176, A=7438 → 8024 [TX077] Transfer $36: B=176 → 140, A=8024 → 8060 [TX078] Transfer $28: B=140 → 112, A=8060 → 8088 [TX079] Transfer $6: B=112 → 106, A=8088 → 8094 [TX080] Transfer $261: A=8094 → 7833, B=106 → 367 [TX081] Transfer $44: A=7833 → 7789, B=367 → 411 [TX082] Transfer $116: B=411 → 295, A=7789 → 7905 [TX083] Transfer $120: A=7905 → 7785, B=295 → 415 [TX084] Transfer $70: A=7785 → 7715, B=415 → 485 [TX085] Transfer $173: A=7715 → 7542, B=485 → 658 [TX086] Transfer $293: B=658 → 365, A=7542 → 7835 [TX087] Transfer $135: B=365 → 230, A=7835 → 7970 [TX088] Transfer $406: A=7970 → 7564, B=230 → 636 [TX089] Transfer $570: A=7564 → 6994, B=636 → 1206 [TX090] Transfer $132: B=1206 → 1074, A=6994 → 7126 [TX091] Transfer $492: A=7126 → 6634, B=1074 → 1566 [TX092] Transfer $236: A=6634 → 6398, B=1566 → 1802 [TX093] Transfer $190: A=6398 → 6208, B=1802 → 1992 [TX094] Transfer $249: A=6208 → 5959, B=1992 → 2241 [TX095] Transfer $450: B=2241 → 1791, A=5959 → 6409 [TX096] Transfer $613: A=6409 → 5796, B=1791 → 2404 [TX097] Transfer $788: A=5796 → 5008, B=2404 → 3192 [TX098] Transfer $46: A=5008 → 4962, B=3192 → 3238 [TX099] Transfer $351: A=4962 → 4611, B=3238 → 3589 [TX100] Transfer $360: B=3589 → 3229, A=4611 → 4971 [TX101] Transfer $925: B=3229 → 2304, A=4971 → 5896 [TX102] Transfer $391: A=5896 → 5505, B=2304 → 2695 [TX103] Transfer $519: A=5505 → 4986, B=2695 → 3214 [TX104] Transfer $190: A=4986 → 4796, B=3214 → 3404 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX070	Account balance goes negative	NEGATIVE_BAL	104	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX070", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 104}
1	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $60: B=4200 → 4140, A=4000 → 4060 [TX002] Transfer $72: A=4060 → 3988, B=4140 → 4212 [TX003] Transfer $415: A=3988 → 3573, B=4212 → 4627 [TX004] Transfer $594: A=3573 → 2979, B=4627 → 5221 [TX005] Transfer $431: A=2979 → 2548, B=5221 → 5652 [TX006] Transfer $211: B=5652 → 5441, A=2548 → 2759 [TX007] Transfer $273: B=5441 → 5168, A=2759 → 3032 [TX008] Transfer $689: B=5168 → 4479, A=3032 → 3721 [TX009] Transfer $325: B=4479 → 4154, A=3721 → 4046 [TX010] Transfer $471: A=4046 → 3575, B=4154 → 4625 [TX011] Transfer $552: A=3575 → 3023, B=4625 → 5177 [TX012] Transfer $137: A=3023 → 2886, B=5177 → 5314 [TX013] Transfer $902: B=5314 → 4412, A=2886 → 3788 [TX014] Transfer $293: A=3788 → 3495, B=4412 → 4705 [TX015] Transfer $855: A=3495 → 2640, B=4705 → 5560 [TX016] Transfer $685: B=5560 → 4875, A=2640 → 3325 [TX017] Transfer $963: B=4875 → 3912, A=3325 → 4288 [TX018] Transfer $120: A=4288 → 4168, B=3912 → 4032 [TX019] Transfer $280: A=4168 → 3888, B=4032 → 4312 [TX020] Transfer $736: B=4312 → 3576, A=3888 → 4624 [TX021] Transfer $705: B=3576 → 2871, A=4624 → 5329 [TX022] Transfer $259: B=2871 → 2612, A=5329 → 5588 [TX023] Transfer $651: A=5588 → 4937, B=2612 → 3263 [TX024] Transfer $47: B=3263 → 3216, A=4937 → 4984 [TX025] Transfer $791: A=4984 → 4193, B=3216 → 4007 [TX026] Transfer $167: A=4193 → 4026, B=4007 → 4174 [TX027] Transfer $576: B=4174 → 3598, A=4026 → 4602 [TX028] Transfer $79: A=4602 → 4523, B=3598 → 3677 [TX029] Transfer $856: A=4523 → 3667, B=3677 → 4533 [TX030] Transfer $442: B=4533 → 4091, A=3667 → 4109 [TX031] Transfer $317: A=4109 → 3792, B=4091 → 4408 [TX032] Transfer $922: B=4408 → 3486, A=3792 → 4714 [TX033] Transfer $700: B=3486 → 2786, A=4714 → 5414 [TX034] Transfer $364: A=5414 → 5050, B=2786 → 3150 [TX035] Transfer $949: B=3150 → 2201, A=5050 → 5999 [TX036] Transfer $821: A=5999 → 5178, B=2201 → 3022 [TX037] Transfer $27: A=5178 → 5151, B=3022 → 3049 [TX038] Transfer $803: A=5151 → 4348, B=3049 → 3852 [TX039] Transfer $275: B=3852 → 3577, A=4348 → 4623 [TX040] Transfer $393: A=4623 → 4230, B=3577 → 3970 [TX041] Transfer $229: A=4230 → 4001, B=3970 → 4199 [TX042] Transfer $360: A=4001 → 3641, B=4199 → 4559 [TX043] Transfer $230: B=4559 → 4329, A=3641 → 3871 [TX044] Transfer $410: A=3871 → 3461, B=4329 → 4739 [TX045] Transfer $887: B=4739 → 3852, A=3461 → 4348 [TX046] Transfer $361: A=4348 → 3987, B=3852 → 4213 [TX047] Transfer $963: B=4213 → 3250, A=3987 → 4950 [TX048] Transfer $900: A=4950 → 4050, B=3250 → 4150 [TX049] Transfer $596: B=4150 → 3554, A=4050 → 4646 [TX050] Transfer $113: B=3554 → 3441, A=4646 → 4759 [TX051] Transfer $748: B=3441 → 2693, A=4759 → 5507 [TX052] Transfer $622: B=2693 → 2071, A=5507 → 6129 [TX053] Transfer $923: A=6129 → 5206, B=2071 → 2994 [TX054] Transfer $47: A=5206 → 5159, B=2994 → 3041 [TX055] Transfer $534: B=3041 → 2507, A=5159 → 5693 [TX056] Transfer $443: A=5693 → 5250, B=2507 → 2950 [TX057] Transfer $640: A=5250 → 4610, B=2950 → 3590 [TX058] Transfer $739: B=3590 → 2851, A=4610 → 5349 [TX059] Transfer $684: B=2851 → 2167, A=5349 → 6033 [TX060] Transfer $414: B=2167 → 1753, A=6033 → 6447 [TX061] Transfer $198: B=1753 → 1555, A=6447 → 6645 [TX062] Transfer $695: B=1555 → 860, A=6645 → 7340 [TX063] Transfer $417: A=7340 → 6923, B=860 → 1277 [TX064] Transfer $295: A=6923 → 6628, B=1277 → 1572 [TX065] Transfer $806: A=6628 → 5822, B=1572 → 2378 [TX066] Transfer $454: B=2378 → 1924, A=5822 → 6276 [TX067] Transfer $525: B=1924 → 1399, A=6276 → 6801 [TX068] Transfer $676: B=1399 → 723, A=6801 → 7477 [TX069] Transfer $529: A=7477 → 6948, B=723 → 1252 [TX070] Transfer $840: B=1252 → 412, A=6948 → 7788 [TX071] Transfer $232: A=7788 → 7556, B=412 → 644 [TX072] Transfer $27: A=7556 → 7529, B=644 → 671 [TX073] Transfer $488: A=7529 → 7041, B=671 → 1159 [TX074] Transfer $426: A=7041 → 6615, B=1159 → 1585 [TX075] Transfer $508: A=6615 → 6107, B=1585 → 2093 [TX076] Transfer $153: B=2093 → 1940, A=6107 → 6261 [TX077] Transfer $226: A=6260 → 6034, B=1940 → 2166 [TX078] Transfer $53: A=6034 → 5981, B=2166 → 2219 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX076	Mathematical calculation is incorrect	CALC_ERROR	78	{"bug_type": "CALC_ERROR", "bug_location": "TX076", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 78}
70	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $818: B=4200 → 3382, A=4000 → 4818 [TX002] Transfer $470: A=4818 → 4348, B=3382 → 3852 [TX003] Transfer $535: B=3852 → 3317, A=4348 → 4883 [TX004] Transfer $263: A=4883 → 4620, B=3317 → 3580 [TX005] Transfer $913: B=3580 → 2667, A=4620 → 5533 [TX006] Transfer $3: A=5533 → 5530, B=2667 → 2670 [TX007] Transfer $95: B=2670 → 2575, A=5530 → 5625 [TX008] Transfer $233: B=2575 → 2342, A=5625 → 5858 [TX009] Transfer $195: A=5858 → 5663, B=2342 → 2537 [TX010] Transfer $103: B=2537 → 2434, A=5663 → 5766 [TX011] Transfer $363: A=5766 → 5403, B=2434 → 2797 [TX012] Transfer $742: A=5403 → 4661, B=2797 → 3539 [TX013] Transfer $581: A=4661 → 4080, B=3539 → 4120 [TX014] Transfer $110: A=4080 → 3970, B=4120 → 4230 [TX015] Transfer $218: A=3970 → 3752, B=4230 → 4448 [TX016] Transfer $565: B=4448 → 3883, A=3752 → 4317 [TX017] Transfer $584: A=4317 → 3733, B=3883 → 4467 [TX018] Transfer $173: B=4467 → 4294, A=3733 → 3906 [TX019] Transfer $571: A=3906 → 3335, B=4294 → 4865 [TX020] Transfer $770: A=3335 → 2565, B=4865 → 5635 [TX021] Transfer $492: B=5635 → 5143, A=2565 → 3057 [TX022] Transfer $562: A=3057 → 2495, B=5143 → 5705 [TX023] Transfer $522: B=5705 → 5183, A=2495 → 3017 [TX024] Transfer $824: B=5183 → 4359, A=3017 → 3841 [TX025] Transfer $986: B=4359 → 3373, A=3841 → 4827 [TX026] Transfer $675: B=3373 → 2698, A=4827 → 5502 [TX027] Transfer $174: A=5502 → 5328, B=2698 → 2872 [TX028] Transfer $3: B=2872 → 2869, A=5328 → 5331 [TX029] Transfer $566: A=5331 → 4765, B=2869 → 3435 [TX030] Transfer $551: A=4765 → 4214, B=3435 → 3986 [TX031] Transfer $140: A=4214 → 4074, B=3986 → 4126 [TX032] Transfer $260: A=4074 → 3814, B=4126 → 4387 [TX033] Transfer $500: B=4386 → 3886, A=3814 → 4314 [TX034] Transfer $750: B=3886 → 3136, A=4314 → 5064 [TX035] Transfer $69: A=5064 → 4995, B=3136 → 3205 [TX036] Transfer $593: B=3205 → 2612, A=4995 → 5588 [TX037] Transfer $691: A=5588 → 4897, B=2612 → 3303 [TX038] Transfer $132: A=4897 → 4765, B=3303 → 3435 [TX039] Transfer $53: A=4765 → 4712, B=3435 → 3488 [TX040] Transfer $226: B=3488 → 3262, A=4712 → 4938 [TX041] Transfer $736: A=4938 → 4202, B=3262 → 3998 [TX042] Transfer $369: B=3998 → 3629, A=4202 → 4571 [TX043] Transfer $251: A=4571 → 4320, B=3629 → 3880 [TX044] Transfer $44: B=3880 → 3836, A=4320 → 4364 [TX045] Transfer $429: A=4364 → 3935, B=3836 → 4265 [TX046] Transfer $418: B=4265 → 3847, A=3935 → 4353 [TX047] Transfer $203: B=3847 → 3644, A=4353 → 4556 [TX048] Transfer $354: A=4556 → 4202, B=3644 → 3998 [TX049] Transfer $469: A=4202 → 3733, B=3998 → 4467 [TX050] Transfer $409: B=4467 → 4058, A=3733 → 4142 [TX051] Transfer $137: A=4142 → 4005, B=4058 → 4195 [TX052] Transfer $669: A=4005 → 3336, B=4195 → 4864 [TX053] Transfer $427: A=3336 → 2909, B=4864 → 5291 [TX054] Transfer $307: A=2909 → 2602, B=5291 → 5598 [TX055] Transfer $883: B=5598 → 4715, A=2602 → 3485 [TX056] Transfer $124: A=3485 → 3361, B=4715 → 4839 [TX057] Transfer $255: A=3361 → 3106, B=4839 → 5094 [TX058] Transfer $636: B=5094 → 4458, A=3106 → 3742 [TX059] Transfer $168: B=4458 → 4290, A=3742 → 3910 [TX060] Transfer $822: A=3910 → 3088, B=4290 → 5112 [TX061] Transfer $431: A=3088 → 2657, B=5112 → 5543 [TX062] Transfer $515: B=5543 → 5028, A=2657 → 3172 [TX063] Transfer $417: A=3172 → 2755, B=5028 → 5445 [TX064] Transfer $863: B=5445 → 4582, A=2755 → 3618 [TX065] Transfer $978: B=4582 → 3604, A=3618 → 4596 [TX066] Transfer $241: A=4596 → 4355, B=3604 → 3845 [TX067] Transfer $88: B=3845 → 3757, A=4355 → 4443 [TX068] Transfer $372: B=3757 → 3385, A=4443 → 4815 [TX069] Transfer $597: A=4815 → 4218, B=3385 → 3982 [TX070] Transfer $309: B=3982 → 3673, A=4218 → 4527 [TX071] Transfer $990: A=4527 → 3537, B=3673 → 4663 [TX072] Transfer $203: B=4663 → 4460, A=3537 → 3740 [TX073] Transfer $736: B=4460 → 3724, A=3740 → 4476 [TX074] Transfer $354: A=4476 → 4122, B=3724 → 4078 [TX075] Transfer $664: A=4122 → 3458, B=4078 → 4742 [TX076] Transfer $466: B=4742 → 4276, A=3458 → 3924 [TX077] Transfer $868: A=3924 → 3056, B=4276 → 5144 [TX078] Transfer $139: A=3056 → 2917, B=5144 → 5283 [TX079] Transfer $92: B=5283 → 5191, A=2917 → 3009 [TX080] Transfer $263: B=5191 → 4928, A=3009 → 3272 [TX081] Transfer $683: A=3272 → 2589, B=4928 → 5611 [TX082] Transfer $965: A=2589 → 1624, B=5611 → 6576 [TX083] Transfer $691: B=6576 → 5885, A=1624 → 2315 [TX084] Transfer $697: A=2315 → 1618, B=5885 → 6582 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX032	Mathematical calculation is incorrect	CALC_ERROR	84	{"bug_type": "CALC_ERROR", "bug_location": "TX032", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 84}
15	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $302: B=4200 → 3898, A=4000 → 4302 [TX002] Transfer $576: A=4302 → 3726, B=3898 → 4474 [TX003] Transfer $686: A=3726 → 3040, B=4474 → 5160 [TX004] Transfer $248: B=5160 → 4912, A=3040 → 3288 [TX005] Transfer $700: A=3288 → 2588, B=4912 → 5612 [TX006] Transfer $939: B=5612 → 4673, A=2588 → 3527 [TX007] Transfer $264: A=3527 → 3263, B=4673 → 4937 [TX008] Transfer $935: B=4937 → 4002, A=3263 → 4198 [TX009] Transfer $500: B=4002 → 3502, A=4198 → 4698 [TX010] Transfer $921: A=4698 → 3777, B=3502 → 4423 [TX011] Transfer $528: A=3777 → 3249, B=4423 → 4951 [TX012] Transfer $173: A=3249 → 3076, B=4951 → 5124 [TX013] Transfer $217: A=3076 → 2859, B=5124 → 5341 [TX014] Transfer $857: A=2859 → 2002, B=5341 → 6198 [TX015] Transfer $552: A=2002 → 1450, B=6198 → 6750 [TX016] Transfer $766: B=6750 → 5984, A=1450 → 2216 [TX017] Transfer $472: A=2216 → 1744, B=5984 → 6456 [TX018] Transfer $91: B=6456 → 6365, A=1744 → 1835 [TX019] Transfer $184: A=1835 → 1651, B=6365 → 6549 [TX020] Transfer $590: B=6549 → 5959, A=1651 → 2241 [TX021] Transfer $419: A=2241 → 1822, B=5959 → 6378 [TX022] Transfer $647: B=6378 → 5731, A=1822 → 2469 [TX023] Transfer $325: B=5731 → 5406, A=2469 → 2794 [TX024] Transfer $691: A=2794 → 2103, B=5406 → 6097 [TX025] Transfer $658: A=2103 → 1445, B=6097 → 6755 [TX026] Transfer $719: A=1445 → 726, B=6755 → 7474 [TX027] Transfer $516: A=726 → 210, B=7474 → 7990 [TX028] Transfer $102: A=210 → 108, B=7990 → 8092 [TX029] Transfer $290: B=8092 → 7802, A=108 → 398 [TX030] Transfer $406: B=7802 → 7396, A=398 → 804 [TX031] Transfer $162: A=804 → 642, B=7396 → 7558 [TX032] Transfer $402: A=642 → 240, B=7558 → 7960 [TX033] Transfer $307: B=7960 → 7653, A=240 → 547 [TX034] Transfer $568: B=7653 → 7085, A=547 → 1115 [TX035] Transfer $44: A=1115 → 1071, B=7085 → 7129 [TX036] Transfer $552: A=1071 → 519, B=7129 → 7681 [TX037] Transfer $109: A=519 → 410, B=7681 → 7790 [TX038] Transfer $424: B=7790 → 7366, A=410 → 834 [TX039] Transfer $190: A=834 → 644, B=7366 → 7556 [TX040] Transfer $200: A=644 → 444, B=7556 → 7756 [TX041] Transfer $292: A=444 → 152, B=7756 → 8048 [TX042] Transfer $43: A=152 → 109, B=8048 → 8091 [TX043] Payment PAY1005: Transfer $4: A=109 → 105, B=8091 → 8095 [TX044] Transfer $2: A=105 → 103, B=8095 → 8097 [TX045] Transfer $3: A=103 → 100, B=8097 → 8100 [TX046] Transfer $689: B=8100 → 7411, A=100 → 789 [TX047] Transfer $293: A=789 → 496, B=7411 → 7704 [TX048] Transfer $164: A=496 → 332, B=7704 → 7868 [TX049] Transfer $338: B=7868 → 7530, A=332 → 670 [TX050] Transfer $581: B=7530 → 6949, A=670 → 1251 [TX051] Transfer $983: B=6949 → 5966, A=1251 → 2234 [TX052] Transfer $6: B=5966 → 5960, A=2234 → 2240 [TX053] Transfer $806: B=5960 → 5154, A=2240 → 3046 [TX054] Transfer $285: A=3046 → 2761, B=5154 → 5439 [TX055] Transfer $697: B=5439 → 4742, A=2761 → 3458 [TX056] Transfer $475: B=4742 → 4267, A=3458 → 3933 [TX057] Transfer $795: B=4267 → 3472, A=3933 → 4728 [TX058] Transfer $566: B=3472 → 2906, A=4728 → 5294 [TX059] Transfer $663: A=5294 → 4631, B=2906 → 3569 [TX060] Transfer $881: A=4631 → 3750, B=3569 → 4450 [TX061] Transfer $271: A=3750 → 3479, B=4450 → 4721 [TX062] Transfer $915: A=3479 → 2564, B=4721 → 5636 [TX063] Transfer $834: A=2564 → 1730, B=5636 → 6470 [TX064] Transfer $930: B=6470 → 5540, A=1730 → 2660 [TX065] Payment PAY1005: Transfer $4: A=2660 → 2656, B=5540 → 5544 [TX066] Transfer $558: A=2656 → 2098, B=5544 → 6102 [TX067] Transfer $376: B=6102 → 5726, A=2098 → 2474 [TX068] Transfer $914: B=5726 → 4812, A=2474 → 3388 [TX069] Transfer $477: B=4812 → 4335, A=3388 → 3865 [TX070] Transfer $374: A=3865 → 3491, B=4335 → 4709 [TX071] Transfer $870: A=3491 → 2621, B=4709 → 5579 [TX072] Transfer $458: A=2621 → 2163, B=5579 → 6037 [TX073] Transfer $581: A=2163 → 1582, B=6037 → 6618 [TX074] Transfer $963: A=1582 → 619, B=6618 → 7581 [TX075] Transfer $226: B=7581 → 7355, A=619 → 845 [TX076] Transfer $66: B=7355 → 7289, A=845 → 911 [TX077] Transfer $241: B=7289 → 7048, A=911 → 1152 [TX078] Transfer $532: A=1152 → 620, B=7048 → 7580 [TX079] Transfer $482: B=7580 → 7098, A=620 → 1102 [TX080] Transfer $42: B=7098 → 7056, A=1102 → 1144 [TX081] Transfer $722: B=7056 → 6334, A=1144 → 1866 [TX082] Transfer $594: B=6334 → 5740, A=1866 → 2460 [TX083] Transfer $671: A=2460 → 1789, B=5740 → 6411 [TX084] Transfer $603: B=6411 → 5808, A=1789 → 2392 [TX085] Transfer $387: A=2392 → 2005, B=5808 → 6195 [TX086] Transfer $363: A=2005 → 1642, B=6195 → 6558 [TX087] Transfer $813: B=6558 → 5745, A=1642 → 2455 [TX088] Transfer $515: B=5745 → 5230, A=2455 → 2970 [TX089] Transfer $171: A=2970 → 2799, B=5230 → 5401 [TX090] Transfer $528: A=2799 → 2271, B=5401 → 5929 [TX091] Transfer $155: B=5929 → 5774, A=2271 → 2426 [TX092] Transfer $372: A=2426 → 2054, B=5774 → 6146 [TX093] Transfer $426: A=2054 → 1628, B=6146 → 6572 [TX094] Transfer $495: B=6572 → 6077, A=1628 → 2123 [TX095] Transfer $217: B=6077 → 5860, A=2123 → 2340 [TX096] Transfer $24: A=2340 → 2316, B=5860 → 5884 [TX097] Transfer $132: A=2316 → 2184, B=5884 → 6016 [TX098] Transfer $646: A=2184 → 1538, B=6016 → 6662 [TX099] Transfer $59: A=1538 → 1479, B=6662 → 6721 [TX100] Transfer $946: A=1479 → 533, B=6721 → 7667 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX065	Payment PAY1005 processed twice	DUPLICATE_TXN	100	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX065", "explanation": "Payment PAY1005 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 100}
78	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $713: B=4200 → 3487, A=4000 → 4713 [TX002] Transfer $958: A=4713 → 3755, B=3487 → 4445 [TX003] Transfer $34: A=3755 → 3721, B=4445 → 4479 [TX004] Transfer $402: B=4479 → 4077, A=3721 → 4123 [TX005] Transfer $73: B=4077 → 4004, A=4123 → 4196 [TX006] Transfer $421: B=4004 → 3583, A=4196 → 4617 [TX007] Transfer $349: A=4617 → 4268, B=3583 → 3932 [TX008] Transfer $621: B=3932 → 3311, A=4268 → 4889 [TX009] Transfer $63: B=3311 → 3248, A=4889 → 4952 [TX010] Transfer $251: A=4952 → 4701, B=3248 → 3499 [TX011] Transfer $980: A=4701 → 3721, B=3499 → 4479 [TX012] Transfer $819: A=3721 → 2902, B=4479 → 5298 [TX013] Transfer $632: B=5298 → 4666, A=2902 → 3534 [TX014] Transfer $196: B=4666 → 4470, A=3534 → 3730 [TX015] Transfer $177: A=3730 → 3553, B=4470 → 4647 [TX016] Transfer $113: A=3553 → 3440, B=4647 → 4760 [TX017] Transfer $581: A=3440 → 2859, B=4760 → 5341 [TX018] Transfer $907: A=2859 → 1952, B=5341 → 6248 [TX019] Transfer $509: A=1952 → 1443, B=6248 → 6757 [TX020] Transfer $124: A=1443 → 1319, B=6757 → 6881 [TX021] Transfer $325: A=1319 → 994, B=6881 → 7206 [TX022] Transfer $813: B=7206 → 6393, A=994 → 1807 [TX023] Transfer $115: A=1807 → 1692, B=6393 → 6508 [TX024] Transfer $487: A=1692 → 1205, B=6508 → 6995 [TX025] Transfer $264: A=1205 → 941, B=6995 → 7259 [TX026] Transfer $418: B=7259 → 6841, A=941 → 1359 [TX027] Transfer $846: A=1359 → 513, B=6841 → 7687 [TX028] Transfer $152: A=513 → 361, B=7687 → 7839 [TX029] Transfer $186: A=361 → 175, B=7839 → 8025 [TX030] Transfer $52: A=175 → 123, B=8025 → 8077 [TX031] Transfer $12: A=123 → 111, B=8077 → 8089 [TX032] Transfer $11: A=111 → 100, B=8089 → 8100 [TX033] Transfer $147: B=8100 → 7953, A=100 → 247 [TX034] Transfer $80: A=247 → 167, B=7953 → 8033 [TX035] Transfer $906: B=8033 → 7127, A=167 → 1073 [TX036] Transfer $633: A=1073 → 440, B=7127 → 7760 [TX037] Transfer $95: A=440 → 345, B=7760 → 7855 [TX038] Transfer $325: B=7855 → 7530, A=345 → 670 [TX039] Transfer $135: A=670 → 535, B=7530 → 7665 [TX040] Transfer $82: B=7665 → 7583, A=535 → 617 [TX041] Transfer $739: B=7583 → 6844, A=617 → 1356 [TX042] Transfer $278: A=1356 → 1078, B=6844 → 7122 [TX043] Transfer $600: B=7122 → 6522, A=1078 → 1678 [TX044] Transfer $393: B=6522 → 6129, A=1678 → 2071 [TX045] Transfer $110: A=2071 → 1961, B=6129 → 6239 [TX046] Transfer $329: A=1961 → 1632, B=6239 → 6568 [TX047] Transfer $826: A=1632 → 806, B=6568 → 7394 [TX048] Transfer $777: B=7394 → 6617, A=806 → 1583 [TX049] Transfer $263: B=6617 → 6354, A=1583 → 1846 [TX050] Transfer $812: B=6354 → 5542, A=1846 → 2658 [TX051] Transfer $221: B=5542 → 5321, A=2658 → 2879 [TX052] Transfer $62: B=5321 → 5259, A=2879 → 2941 [TX053] Transfer $321: A=2941 → 2620, B=5259 → 5580 [TX054] Transfer $26: B=5580 → 5554, A=2620 → 2646 [TX055] Transfer $842: A=2646 → 1804, B=5554 → 6396 [TX056] Transfer $587: A=1804 → 1217, B=6396 → 6983 [TX057] Transfer $300: A=1217 → 917, B=6983 → 7283 [TX058] Transfer $449: A=917 → 468, B=7283 → 7732 [TX059] Transfer $53: B=7732 → 7679, A=468 → 521 [TX060] Transfer $404: B=7679 → 7275, A=521 → 925 [TX061] Transfer $806: A=925 → 119, B=7275 → 8081 [TX062] Transfer $287: B=8081 → 7794, A=119 → 406 [TX063] Transfer $278: B=7794 → 7516, A=406 → 684 [TX064] Transfer $518: B=7516 → 6998, A=684 → 1202 [TX065] Transfer $231: A=1202 → 971, B=6998 → 7229 [TX066] Transfer $282: B=7229 → 6947, A=971 → 1253 [TX067] Transfer $153: B=6947 → 6794, A=1253 → 1406 [TX068] Transfer $69: A=1406 → 1337, B=6794 → 6863 [TX069] Transfer $763: A=1337 → 574, B=6863 → 7626 [TX070] Transfer $889: B=7626 → 6737, A=574 → 1463 [TX071] Transfer $926: A=1463 → 537, B=6737 → 7665 [TX072] Transfer $391: A=537 → 146, B=7663 → 8054 [TX073] Transfer $5: A=146 → 141, B=8054 → 8059 [TX074] Transfer $37: A=141 → 104, B=8059 → 8096 [TX075] Transfer $814: B=8096 → 7282, A=104 → 918 [TX076] Transfer $466: B=7282 → 6816, A=918 → 1384 [TX077] Transfer $628: A=1384 → 756, B=6816 → 7444 [TX078] Transfer $530: A=756 → 226, B=7444 → 7974 [TX079] Transfer $34: A=226 → 192, B=7974 → 8008 [TX080] Transfer $2: A=192 → 190, B=8008 → 8010 [TX081] Transfer $51: A=190 → 139, B=8010 → 8061 [TX082] Transfer $10: A=139 → 129, B=8061 → 8071 [TX083] Transfer $958: B=8071 → 7113, A=129 → 1087 [TX084] Transfer $759: B=7113 → 6354, A=1087 → 1846 [TX085] Transfer $11: A=1846 → 1835, B=6354 → 6365 [TX086] Transfer $558: B=6365 → 5807, A=1835 → 2393 [TX087] Transfer $493: A=2393 → 1900, B=5807 → 6300 [TX088] Transfer $252: B=6300 → 6048, A=1900 → 2152 [TX089] Transfer $25: A=2152 → 2127, B=6048 → 6073 [TX090] Transfer $257: B=6073 → 5816, A=2127 → 2384 [TX091] Transfer $913: B=5816 → 4903, A=2384 → 3297 [TX092] Transfer $977: A=3297 → 2320, B=4903 → 5880 [TX093] Transfer $953: B=5880 → 4927, A=2320 → 3273 [TX094] Transfer $327: A=3273 → 2946, B=4927 → 5254 [TX095] Transfer $712: A=2946 → 2234, B=5254 → 5966 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX071	Mathematical calculation is incorrect	CALC_ERROR	95	{"bug_type": "CALC_ERROR", "bug_location": "TX071", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 95}
73	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $199: B=4200 → 4001, A=4000 → 4199 [TX002] Transfer $381: B=4001 → 3620, A=4199 → 4580 [TX003] Transfer $821: B=3620 → 2799, A=4580 → 5401 [TX004] Transfer $40: A=5401 → 5361, B=2799 → 2839 [TX005] Transfer $45: A=5361 → 5316, B=2839 → 2884 [TX006] Transfer $582: B=2884 → 2302, A=5316 → 5898 [TX007] Transfer $392: B=2302 → 1910, A=5898 → 6290 [TX008] Transfer $742: A=6290 → 5548, B=1910 → 2652 [TX009] Transfer $844: A=5548 → 4704, B=2652 → 3496 [TX010] Transfer $920: A=4704 → 3784, B=3496 → 4416 [TX011] Transfer $141: B=4416 → 4275, A=3784 → 3925 [TX012] Transfer $753: A=3925 → 3172, B=4275 → 5028 [TX013] Transfer $881: B=5028 → 4147, A=3172 → 4053 [TX014] Transfer $543: B=4147 → 3604, A=4053 → 4596 [TX015] Transfer $340: B=3604 → 3264, A=4596 → 4936 [TX016] Transfer $988: B=3264 → 2276, A=4936 → 5924 [TX017] Transfer $996: A=5924 → 4928, B=2276 → 3272 [TX018] Transfer $969: A=4928 → 3959, B=3272 → 4241 [TX019] Transfer $724: A=3959 → 3235, B=4241 → 4965 [TX020] Transfer $195: B=4965 → 4770, A=3235 → 3430 [TX021] Transfer $408: B=4770 → 4362, A=3430 → 3838 [TX022] Transfer $88: B=4362 → 4274, A=3838 → 3926 [TX023] Transfer $958: A=3926 → 2968, B=4274 → 5232 [TX024] Transfer $908: B=5232 → 4324, A=2968 → 3876 [TX025] Transfer $913: A=3876 → 2963, B=4324 → 5237 [TX026] Transfer $850: A=2963 → 2113, B=5237 → 6087 [TX027] Transfer $957: B=6087 → 5130, A=2113 → 3070 [TX028] Transfer $880: A=3070 → 2190, B=5130 → 6010 [TX029] Transfer $319: A=2190 → 1871, B=6010 → 6329 [TX030] Transfer $189: B=6329 → 6140, A=1871 → 2060 [TX031] Payment PAY1020: Transfer $214: B=6140 → 5926, A=2060 → 2274 [TX032] Transfer $310: A=2274 → 1964, B=5926 → 6236 [TX033] Transfer $733: A=1964 → 1231, B=6236 → 6969 [TX034] Transfer $802: B=6969 → 6167, A=1231 → 2033 [TX035] Transfer $567: A=2033 → 1466, B=6167 → 6734 [TX036] Transfer $584: B=6734 → 6150, A=1466 → 2050 [TX037] Transfer $773: B=6150 → 5377, A=2050 → 2823 [TX038] Transfer $909: A=2823 → 1914, B=5377 → 6286 [TX039] Transfer $450: A=1914 → 1464, B=6286 → 6736 [TX040] Transfer $478: B=6736 → 6258, A=1464 → 1942 [TX041] Transfer $40: B=6258 → 6218, A=1942 → 1982 [TX042] Transfer $863: B=6218 → 5355, A=1982 → 2845 [TX043] Transfer $160: B=5355 → 5195, A=2845 → 3005 [TX044] Transfer $971: A=3005 → 2034, B=5195 → 6166 [TX045] Transfer $167: A=2034 → 1867, B=6166 → 6333 [TX046] Transfer $402: B=6333 → 5931, A=1867 → 2269 [TX047] Transfer $461: B=5931 → 5470, A=2269 → 2730 [TX048] Transfer $205: B=5470 → 5265, A=2730 → 2935 [TX049] Transfer $534: A=2935 → 2401, B=5265 → 5799 [TX050] Transfer $11: A=2401 → 2390, B=5799 → 5810 [TX051] Transfer $139: A=2390 → 2251, B=5810 → 5949 [TX052] Transfer $589: B=5949 → 5360, A=2251 → 2840 [TX053] Transfer $211: A=2840 → 2629, B=5360 → 5571 [TX054] Transfer $24: A=2629 → 2605, B=5571 → 5595 [TX055] Transfer $261: A=2605 → 2344, B=5595 → 5856 [TX056] Transfer $453: B=5856 → 5403, A=2344 → 2797 [TX057] Transfer $688: A=2797 → 2109, B=5403 → 6091 [TX058] Transfer $375: B=6091 → 5716, A=2109 → 2484 [TX059] Transfer $878: A=2484 → 1606, B=5716 → 6594 [TX060] Transfer $796: B=6594 → 5798, A=1606 → 2402 [TX061] Transfer $770: B=5798 → 5028, A=2402 → 3172 [TX062] Transfer $922: B=5028 → 4106, A=3172 → 4094 [TX063] Transfer $286: A=4094 → 3808, B=4106 → 4392 [TX064] Transfer $59: B=4392 → 4333, A=3808 → 3867 [TX065] Transfer $934: A=3867 → 2933, B=4333 → 5267 [TX066] Transfer $837: A=2933 → 2096, B=5267 → 6104 [TX067] Transfer $242: B=6104 → 5862, A=2096 → 2338 [TX068] Transfer $279: A=2338 → 2059, B=5862 → 6141 [TX069] Transfer $132: A=2059 → 1927, B=6141 → 6273 [TX070] Transfer $71: B=6273 → 6202, A=1927 → 1998 [TX071] Transfer $467: A=1998 → 1531, B=6202 → 6669 [TX072] Transfer $679: A=1531 → 852, B=6669 → 7348 [TX073] Payment PAY1020: Transfer $214: B=7348 → 7134, A=852 → 1066 [TX074] Transfer $55: A=1066 → 1011, B=7134 → 7189 [TX075] Transfer $451: B=7189 → 6738, A=1011 → 1462 [TX076] Transfer $678: B=6738 → 6060, A=1462 → 2140 [TX077] Transfer $853: B=6060 → 5207, A=2140 → 2993 [TX078] Transfer $330: B=5207 → 4877, A=2993 → 3323 [TX079] Transfer $110: B=4877 → 4767, A=3323 → 3433 [TX080] Transfer $53: A=3433 → 3380, B=4767 → 4820 [TX081] Transfer $657: B=4820 → 4163, A=3380 → 4037 [TX082] Transfer $159: A=4037 → 3878, B=4163 → 4322 [TX083] Transfer $349: B=4322 → 3973, A=3878 → 4227 [TX084] Transfer $161: A=4227 → 4066, B=3973 → 4134 [TX085] Transfer $823: B=4134 → 3311, A=4066 → 4889 [TX086] Transfer $405: B=3311 → 2906, A=4889 → 5294 [TX087] Transfer $938: B=2906 → 1968, A=5294 → 6232 [TX088] Transfer $499: A=6232 → 5733, B=1968 → 2467 [TX089] Transfer $464: A=5733 → 5269, B=2467 → 2931 [TX090] Transfer $104: A=5269 → 5165, B=2931 → 3035 [TX091] Transfer $90: A=5165 → 5075, B=3035 → 3125 [TX092] Transfer $545: A=5075 → 4530, B=3125 → 3670 [TX093] Transfer $243: B=3670 → 3427, A=4530 → 4773 [TX094] Transfer $828: B=3427 → 2599, A=4773 → 5601 [TX095] Transfer $467: A=5601 → 5134, B=2599 → 3066 [TX096] Transfer $300: A=5134 → 4834, B=3066 → 3366 [TX097] Transfer $614: A=4834 → 4220, B=3366 → 3980 [TX098] Transfer $108: A=4220 → 4112, B=3980 → 4088 [TX099] Transfer $184: B=4088 → 3904, A=4112 → 4296 [TX100] Transfer $507: B=3904 → 3397, A=4296 → 4803 [TX101] Transfer $181: A=4803 → 4622, B=3397 → 3578 [TX102] Transfer $970: A=4622 → 3652, B=3578 → 4548 [TX103] Transfer $257: B=4548 → 4291, A=3652 → 3909 [TX104] Transfer $188: A=3909 → 3721, B=4291 → 4479 [TX105] Transfer $371: A=3721 → 3350, B=4479 → 4850 [TX106] Transfer $149: B=4850 → 4701, A=3350 → 3499 [TX107] Transfer $182: A=3499 → 3317, B=4701 → 4883 [TX108] Transfer $703: B=4883 → 4180, A=3317 → 4020 [TX109] Transfer $872: B=4180 → 3308, A=4020 → 4892 [TX110] Transfer $759: A=4892 → 4133, B=3308 → 4067 [TX111] Transfer $209: A=4133 → 3924, B=4067 → 4276 [TX112] Transfer $311: B=4276 → 3965, A=3924 → 4235 [TX113] Transfer $314: B=3965 → 3651, A=4235 → 4549 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX073	Payment PAY1020 processed twice	DUPLICATE_TXN	113	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX073", "explanation": "Payment PAY1020 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 113}
10	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $816: A=4000 → 3184, B=4200 → 5016 [TX002] Transfer $35: A=3184 → 3149, B=5016 → 5051 [TX003] Transfer $552: B=5051 → 4499, A=3149 → 3701 [TX004] Transfer $801: B=4499 → 3698, A=3701 → 4502 [TX005] Transfer $564: B=3698 → 3134, A=4502 → 5066 [TX006] Transfer $276: A=5066 → 4790, B=3134 → 3410 [TX007] Transfer $780: B=3410 → 2630, A=4790 → 5570 [TX008] Transfer $437: B=2630 → 2193, A=5570 → 6007 [TX009] Transfer $306: A=6007 → 5701, B=2193 → 2499 [TX010] Transfer $271: A=5701 → 5430, B=2499 → 2770 [TX011] Transfer $451: B=2770 → 2319, A=5430 → 5881 [TX012] Transfer $216: A=5881 → 5665, B=2319 → 2535 [TX013] Transfer $171: B=2535 → 2364, A=5665 → 5836 [TX014] Transfer $835: A=5836 → 5001, B=2364 → 3199 [TX015] Transfer $585: A=5001 → 4416, B=3199 → 3784 [TX016] Transfer $613: B=3784 → 3171, A=4416 → 5029 [TX017] Transfer $722: A=5029 → 4307, B=3171 → 3893 [TX018] Transfer $588: B=3893 → 3305, A=4307 → 4895 [TX019] Transfer $140: B=3305 → 3165, A=4895 → 5035 [TX020] Transfer $285: B=3165 → 2880, A=5035 → 5320 [TX021] Transfer $257: A=5320 → 5063, B=2880 → 3137 [TX022] Transfer $850: A=5063 → 4213, B=3137 → 3987 [TX023] Transfer $4229: A=4213 → -16, B=3987 → 8216 [TX024] Balance check: A=-16 [TX025] Transfer $464: B=8216 → 7752, A=-16 → 448 [TX026] Transfer $208: A=448 → 240, B=7752 → 7960 [TX027] Transfer $467: B=7960 → 7493, A=240 → 707 [TX028] Transfer $597: B=7493 → 6896, A=707 → 1304 [TX029] Transfer $750: A=1304 → 554, B=6896 → 7646 [TX030] Transfer $872: B=7646 → 6774, A=554 → 1426 [TX031] Transfer $225: A=1426 → 1201, B=6774 → 6999 [TX032] Transfer $508: B=6999 → 6491, A=1201 → 1709 [TX033] Transfer $850: B=6491 → 5641, A=1709 → 2559 [TX034] Transfer $562: B=5641 → 5079, A=2559 → 3121 [TX035] Transfer $809: A=3121 → 2312, B=5079 → 5888 [TX036] Transfer $49: B=5888 → 5839, A=2312 → 2361 [TX037] Transfer $18: A=2361 → 2343, B=5839 → 5857 [TX038] Transfer $453: A=2343 → 1890, B=5857 → 6310 [TX039] Transfer $983: B=6310 → 5327, A=1890 → 2873 [TX040] Transfer $707: B=5327 → 4620, A=2873 → 3580 [TX041] Transfer $164: A=3580 → 3416, B=4620 → 4784 [TX042] Transfer $672: B=4784 → 4112, A=3416 → 4088 [TX043] Transfer $86: B=4112 → 4026, A=4088 → 4174 [TX044] Transfer $55: B=4026 → 3971, A=4174 → 4229 [TX045] Transfer $745: B=3971 → 3226, A=4229 → 4974 [TX046] Transfer $673: A=4974 → 4301, B=3226 → 3899 [TX047] Transfer $3: A=4301 → 4298, B=3899 → 3902 [TX048] Transfer $81: A=4298 → 4217, B=3902 → 3983 [TX049] Transfer $533: A=4217 → 3684, B=3983 → 4516 [TX050] Transfer $10: B=4516 → 4506, A=3684 → 3694 [TX051] Transfer $882: B=4506 → 3624, A=3694 → 4576 [TX052] Transfer $491: B=3624 → 3133, A=4576 → 5067 [TX053] Transfer $394: A=5067 → 4673, B=3133 → 3527 [TX054] Transfer $107: A=4673 → 4566, B=3527 → 3634 [TX055] Transfer $904: B=3634 → 2730, A=4566 → 5470 [TX056] Transfer $393: B=2730 → 2337, A=5470 → 5863 [TX057] Transfer $72: A=5863 → 5791, B=2337 → 2409 [TX058] Transfer $452: A=5791 → 5339, B=2409 → 2861 [TX059] Transfer $645: B=2861 → 2216, A=5339 → 5984 [TX060] Transfer $632: A=5984 → 5352, B=2216 → 2848 [TX061] Transfer $90: B=2848 → 2758, A=5352 → 5442 [TX062] Transfer $772: A=5442 → 4670, B=2758 → 3530 [TX063] Transfer $361: A=4670 → 4309, B=3530 → 3891 [TX064] Transfer $812: B=3891 → 3079, A=4309 → 5121 [TX065] Transfer $285: A=5121 → 4836, B=3079 → 3364 [TX066] Transfer $568: A=4836 → 4268, B=3364 → 3932 [TX067] Transfer $870: B=3932 → 3062, A=4268 → 5138 [TX068] Transfer $532: B=3062 → 2530, A=5138 → 5670 [TX069] Transfer $304: A=5670 → 5366, B=2530 → 2834 [TX070] Transfer $508: A=5366 → 4858, B=2834 → 3342 [TX071] Transfer $248: B=3342 → 3094, A=4858 → 5106 [TX072] Transfer $542: B=3094 → 2552, A=5106 → 5648 [TX073] Transfer $958: A=5648 → 4690, B=2552 → 3510 [TX074] Transfer $398: B=3510 → 3112, A=4690 → 5088 [TX075] Transfer $561: B=3112 → 2551, A=5088 → 5649 [TX076] Transfer $979: A=5649 → 4670, B=2551 → 3530 [TX077] Transfer $603: A=4670 → 4067, B=3530 → 4133 [TX078] Transfer $270: A=4067 → 3797, B=4133 → 4403 [TX079] Transfer $946: A=3797 → 2851, B=4403 → 5349 [TX080] Transfer $520: A=2851 → 2331, B=5349 → 5869 [TX081] Transfer $435: B=5869 → 5434, A=2331 → 2766 [TX082] Transfer $657: B=5434 → 4777, A=2766 → 3423 [TX083] Transfer $87: A=3423 → 3336, B=4777 → 4864 [TX084] Transfer $525: B=4864 → 4339, A=3336 → 3861 [TX085] Transfer $551: A=3861 → 3310, B=4339 → 4890 [TX086] Transfer $602: B=4890 → 4288, A=3310 → 3912 [TX087] Transfer $717: A=3912 → 3195, B=4288 → 5005 [TX088] Transfer $61: B=5005 → 4944, A=3195 → 3256 [TX089] Transfer $948: A=3256 → 2308, B=4944 → 5892 [TX090] Transfer $466: B=5892 → 5426, A=2308 → 2774 [TX091] Transfer $684: A=2774 → 2090, B=5426 → 6110 [TX092] Transfer $14: A=2090 → 2076, B=6110 → 6124 [TX093] Transfer $169: A=2076 → 1907, B=6124 → 6293 [TX094] Transfer $537: B=6293 → 5756, A=1907 → 2444 [TX095] Transfer $382: B=5756 → 5374, A=2444 → 2826 [TX096] Transfer $752: A=2826 → 2074, B=5374 → 6126 [TX097] Transfer $345: A=2074 → 1729, B=6126 → 6471 [TX098] Transfer $538: B=6471 → 5933, A=1729 → 2267 [TX099] Transfer $731: A=2267 → 1536, B=5933 → 6664 [TX100] Transfer $468: A=1536 → 1068, B=6664 → 7132 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX023	Account balance goes negative	NEGATIVE_BAL	100	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX023", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 100}
55	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $274: B=4200 → 3926, A=4000 → 4274 [TX002] Transfer $645: A=4274 → 3629, B=3926 → 4571 [TX003] Transfer $489: B=4571 → 4082, A=3629 → 4118 [TX004] Transfer $322: B=4082 → 3760, A=4118 → 4440 [TX005] Transfer $187: A=4440 → 4253, B=3760 → 3947 [TX006] Transfer $780: A=4253 → 3473, B=3947 → 4727 [TX007] Transfer $869: A=3473 → 2604, B=4727 → 5596 [TX008] Transfer $112: A=2604 → 2492, B=5596 → 5708 [TX009] Transfer $804: B=5708 → 4904, A=2492 → 3296 [TX010] Transfer $211: A=3296 → 3085, B=4904 → 5115 [TX011] Transfer $12: A=3085 → 3073, B=5115 → 5127 [TX012] Transfer $641: A=3073 → 2432, B=5127 → 5768 [TX013] Transfer $442: B=5768 → 5326, A=2432 → 2874 [TX014] Transfer $227: A=2874 → 2647, B=5326 → 5553 [TX015] Transfer $862: B=5553 → 4691, A=2647 → 3509 [TX016] Transfer $25: A=3509 → 3484, B=4691 → 4716 [TX017] Transfer $177: B=4716 → 4539, A=3484 → 3661 [TX018] Transfer $556: B=4539 → 3983, A=3661 → 4217 [TX019] Transfer $95: A=4217 → 4122, B=3983 → 4078 [TX020] Transfer $129: B=4078 → 3949, A=4122 → 4251 [TX021] Transfer $867: A=4251 → 3384, B=3949 → 4816 [TX022] Transfer $249: B=4816 → 4567, A=3384 → 3633 [TX023] Transfer $915: B=4567 → 3652, A=3633 → 4548 [TX024] Transfer $288: A=4548 → 4260, B=3652 → 3940 [TX025] Transfer $246: A=4260 → 4014, B=3940 → 4186 [TX026] Transfer $595: B=4186 → 3591, A=4014 → 4609 [TX027] Transfer $220: B=3591 → 3371, A=4609 → 4829 [TX028] Transfer $869: A=4829 → 3960, B=3371 → 4240 [TX029] Transfer $731: A=3960 → 3229, B=4240 → 4971 [TX030] Transfer $155: B=4971 → 4816, A=3229 → 3384 [TX031] Transfer $25: B=4816 → 4791, A=3384 → 3409 [TX032] Transfer $904: B=4791 → 3887, A=3409 → 4313 [TX033] Transfer $810: B=3887 → 3077, A=4313 → 5123 [TX034] Transfer $23: B=3077 → 3054, A=5123 → 5146 [TX035] Transfer $860: B=3054 → 2194, A=5146 → 6006 [TX036] Thread T1: READ B=2194 [TX037] Thread T2: READ B=2194 [TX038] Thread T1: COMMIT B=2194 → 2092 [TX039] Thread T2: COMMIT B=2194 → 2049 [TX040] Transfer $617: A=6006 → 5389, B=2049 → 2666 [TX041] Transfer $808: B=2666 → 1858, A=5389 → 6197 [TX042] Transfer $225: B=1858 → 1633, A=6197 → 6422 [TX043] Transfer $416: B=1633 → 1217, A=6422 → 6838 [TX044] Transfer $734: B=1217 → 483, A=6838 → 7572 [TX045] Transfer $196: B=483 → 287, A=7572 → 7768 [TX046] Transfer $177: B=287 → 110, A=7768 → 7945 [TX047] Transfer $465: A=7945 → 7480, B=110 → 575 [TX048] Transfer $587: A=7480 → 6893, B=575 → 1162 [TX049] Transfer $392: B=1162 → 770, A=6893 → 7285 [TX050] Transfer $448: A=7285 → 6837, B=770 → 1218 [TX051] Transfer $93: B=1218 → 1125, A=6837 → 6930 [TX052] Transfer $358: B=1125 → 767, A=6930 → 7288 [TX053] Transfer $377: A=7288 → 6911, B=767 → 1144 [TX054] Transfer $163: B=1144 → 981, A=6911 → 7074 [TX055] Transfer $876: A=7074 → 6198, B=981 → 1857 [TX056] Transfer $392: A=6198 → 5806, B=1857 → 2249 [TX057] Transfer $780: B=2249 → 1469, A=5806 → 6586 [TX058] Transfer $726: A=6586 → 5860, B=1469 → 2195 [TX059] Transfer $632: A=5860 → 5228, B=2195 → 2827 [TX060] Transfer $83: A=5228 → 5145, B=2827 → 2910 [TX061] Transfer $154: B=2910 → 2756, A=5145 → 5299 [TX062] Transfer $881: B=2756 → 1875, A=5299 → 6180 [TX063] Transfer $893: B=1875 → 982, A=6180 → 7073 [TX064] Transfer $421: A=7073 → 6652, B=982 → 1403 [TX065] Transfer $535: B=1403 → 868, A=6652 → 7187 [TX066] Transfer $894: A=7187 → 6293, B=868 → 1762 [TX067] Transfer $588: A=6293 → 5705, B=1762 → 2350 [TX068] Transfer $563: A=5705 → 5142, B=2350 → 2913 [TX069] Transfer $918: B=2913 → 1995, A=5142 → 6060 [TX070] Transfer $19: A=6060 → 6041, B=1995 → 2014 [TX071] Transfer $70: A=6041 → 5971, B=2014 → 2084 [TX072] Transfer $838: A=5971 → 5133, B=2084 → 2922 [TX073] Transfer $799: A=5133 → 4334, B=2922 → 3721 [TX074] Transfer $742: B=3721 → 2979, A=4334 → 5076 [TX075] Transfer $548: A=5076 → 4528, B=2979 → 3527 [TX076] Transfer $807: A=4528 → 3721, B=3527 → 4334 [TX077] Transfer $877: A=3721 → 2844, B=4334 → 5211 [TX078] Transfer $527: A=2844 → 2317, B=5211 → 5738 [TX079] Transfer $405: A=2317 → 1912, B=5738 → 6143 [TX080] Transfer $51: A=1912 → 1861, B=6143 → 6194 [TX081] Transfer $868: B=6194 → 5326, A=1861 → 2729 [TX082] Transfer $884: A=2729 → 1845, B=5326 → 6210 [TX083] Transfer $475: B=6210 → 5735, A=1845 → 2320 [TX084] Transfer $181: A=2320 → 2139, B=5735 → 5916 [TX085] Transfer $167: A=2139 → 1972, B=5916 → 6083 [TX086] Transfer $388: A=1972 → 1584, B=6083 → 6471 [TX087] Transfer $296: A=1584 → 1288, B=6471 → 6767 [TX088] Transfer $695: B=6767 → 6072, A=1288 → 1983 [TX089] Transfer $912: B=6072 → 5160, A=1983 → 2895 [TX090] Transfer $807: B=5160 → 4353, A=2895 → 3702 [TX091] Transfer $538: B=4353 → 3815, A=3702 → 4240 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX039	Thread T2 overwrites T1's change	LOST_UPDATE	91	{"bug_type": "LOST_UPDATE", "bug_location": "TX039", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 91}
56	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $213: A=4000 → 3787, B=4200 → 4413 [TX002] Transfer $864: A=3787 → 2923, B=4413 → 5277 [TX003] Transfer $620: B=5277 → 4657, A=2923 → 3543 [TX004] Transfer $386: B=4657 → 4271, A=3543 → 3929 [TX005] Transfer $26: B=4271 → 4245, A=3929 → 3955 [TX006] Transfer $205: B=4245 → 4040, A=3955 → 4160 [TX007] Transfer $447: A=4160 → 3713, B=4040 → 4487 [TX008] Transfer $887: A=3713 → 2826, B=4487 → 5374 [TX009] Transfer $407: A=2826 → 2419, B=5374 → 5781 [TX010] Transfer $18: A=2419 → 2401, B=5781 → 5799 [TX011] Transfer $260: A=2401 → 2141, B=5799 → 6059 [TX012] Transfer $479: B=6059 → 5580, A=2141 → 2620 [TX013] Transfer $905: B=5580 → 4675, A=2620 → 3525 [TX014] Transfer $135: A=3525 → 3390, B=4675 → 4810 [TX015] Transfer $253: B=4810 → 4557, A=3390 → 3643 [TX016] Transfer $304: A=3643 → 3339, B=4557 → 4861 [TX017] Transfer $360: B=4861 → 4501, A=3339 → 3699 [TX018] Transfer $910: B=4501 → 3591, A=3699 → 4609 [TX019] Transfer $614: B=3591 → 2977, A=4609 → 5223 [TX020] Transfer $842: B=2977 → 2135, A=5223 → 6065 [TX021] Transfer $958: B=2135 → 1177, A=6065 → 7023 [TX022] Transfer $362: B=1177 → 815, A=7023 → 7385 [TX023] Transfer $319: B=815 → 496, A=7385 → 7704 [TX024] Transfer $105: A=7704 → 7599, B=496 → 601 [TX025] Transfer $63: A=7599 → 7536, B=601 → 664 [TX026] Transfer $647: A=7536 → 6889, B=664 → 1311 [TX027] Transfer $461: B=1311 → 850, A=6889 → 7350 [TX028] Transfer $629: B=850 → 221, A=7350 → 7979 [TX029] Transfer $81: B=221 → 140, A=7979 → 8060 [TX030] Transfer $25: B=140 → 115, A=8060 → 8085 [TX031] Transfer $906: A=8085 → 7179, B=115 → 1021 [TX032] Transfer $445: B=1021 → 576, A=7179 → 7624 [TX033] Transfer $993: A=7624 → 6631, B=576 → 1569 [TX034] Transfer $340: A=6631 → 6291, B=1569 → 1909 [TX035] Transfer $149: B=1909 → 1760, A=6291 → 6440 [TX036] Transfer $97: A=6440 → 6343, B=1760 → 1857 [TX037] Transfer $405: B=1857 → 1452, A=6343 → 6748 [TX038] Transfer $47: A=6748 → 6701, B=1452 → 1499 [TX039] Transfer $978: B=1499 → 521, A=6701 → 7679 [TX040] Transfer $430: A=7679 → 7249, B=521 → 951 [TX041] Transfer $820: A=7249 → 6429, B=951 → 1771 [TX042] Transfer $562: A=6429 → 5867, B=1771 → 2333 [TX043] Transfer $2: B=2333 → 2331, A=5867 → 5869 [TX044] Transfer $881: A=5869 → 4988, B=2331 → 3212 [TX045] Transfer $746: A=4988 → 4242, B=3212 → 3958 [TX046] Transfer $226: B=3958 → 3732, A=4242 → 4468 [TX047] Transfer $949: B=3732 → 2783, A=4468 → 5417 [TX048] Transfer $83: B=2783 → 2700, A=5417 → 5500 [TX049] Transfer $633: B=2700 → 2067, A=5500 → 6133 [TX050] Transfer $980: B=2067 → 1087, A=6133 → 7113 [TX051] Transfer $648: B=1087 → 439, A=7113 → 7761 [TX052] Transfer $303: B=439 → 136, A=7761 → 8064 [TX053] Transfer $16: B=136 → 120, A=8064 → 8080 [TX054] Transfer $496: A=8080 → 7584, B=120 → 616 [TX055] Transfer $309: B=616 → 307, A=7584 → 7893 [TX056] Transfer $15: B=307 → 292, A=7893 → 7908 [TX057] Transfer $29: B=292 → 263, A=7908 → 7937 [TX058] Transfer $866: A=7937 → 7071, B=263 → 1129 [TX059] Transfer $477: A=7071 → 6594, B=1129 → 1606 [TX060] Transfer $716: A=6594 → 5878, B=1606 → 2322 [TX061] Transfer $762: B=2322 → 1560, A=5878 → 6640 [TX062] Transfer $582: B=1560 → 978, A=6640 → 7222 [TX063] Transfer $85: B=978 → 893, A=7222 → 7307 [TX064] Transfer $640: A=7307 → 6667, B=893 → 1533 [TX065] Transfer $795: B=1533 → 738, A=6667 → 7464 [TX066] Transfer $417: A=7462 → 7045, B=738 → 1155 [TX067] Transfer $426: B=1155 → 729, A=7045 → 7471 [TX068] Transfer $343: B=729 → 386, A=7471 → 7814 [TX069] Transfer $159: B=386 → 227, A=7814 → 7973 [TX070] Transfer $902: A=7973 → 7071, B=227 → 1129 [TX071] Transfer $604: B=1129 → 525, A=7071 → 7675 [TX072] Transfer $442: A=7675 → 7233, B=525 → 967 [TX073] Transfer $251: A=7233 → 6982, B=967 → 1218 [TX074] Transfer $165: A=6982 → 6817, B=1218 → 1383 [TX075] Transfer $875: B=1383 → 508, A=6817 → 7692 [TX076] Transfer $86: A=7692 → 7606, B=508 → 594 [TX077] Transfer $155: A=7606 → 7451, B=594 → 749 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX065	Mathematical calculation is incorrect	CALC_ERROR	77	{"bug_type": "CALC_ERROR", "bug_location": "TX065", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 77}
72	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $800: B=4200 → 3400, A=4000 → 4800 [TX002] Transfer $207: B=3400 → 3193, A=4800 → 5007 [TX003] Transfer $773: B=3193 → 2420, A=5007 → 5780 [TX004] Transfer $150: B=2420 → 2270, A=5780 → 5930 [TX005] Transfer $709: A=5930 → 5221, B=2270 → 2979 [TX006] Transfer $977: A=5221 → 4244, B=2979 → 3956 [TX007] Transfer $651: A=4244 → 3593, B=3956 → 4607 [TX008] Transfer $261: A=3593 → 3332, B=4607 → 4868 [TX009] Transfer $575: A=3332 → 2757, B=4868 → 5443 [TX010] Transfer $184: A=2757 → 2573, B=5443 → 5627 [TX011] Transfer $60: B=5627 → 5567, A=2573 → 2633 [TX012] Transfer $842: B=5567 → 4725, A=2633 → 3475 [TX013] Transfer $382: B=4725 → 4343, A=3475 → 3857 [TX014] Transfer $250: A=3857 → 3607, B=4343 → 4593 [TX015] Transfer $70: B=4593 → 4523, A=3607 → 3677 [TX016] Transfer $280: A=3677 → 3397, B=4523 → 4803 [TX017] Transfer $284: B=4803 → 4519, A=3397 → 3681 [TX018] Transfer $8: A=3681 → 3673, B=4519 → 4527 [TX019] Transfer $236: B=4527 → 4291, A=3673 → 3909 [TX020] Transfer $670: B=4291 → 3621, A=3909 → 4579 [TX021] Transfer $15: B=3621 → 3606, A=4579 → 4594 [TX022] Transfer $795: A=4594 → 3799, B=3606 → 4401 [TX023] Transfer $412: B=4401 → 3989, A=3799 → 4211 [TX024] Transfer $681: A=4211 → 3530, B=3989 → 4670 [TX025] Transfer $586: B=4670 → 4084, A=3530 → 4116 [TX026] Transfer $397: B=4084 → 3687, A=4116 → 4513 [TX027] Transfer $750: A=4513 → 3763, B=3687 → 4437 [TX028] Transfer $48: B=4437 → 4389, A=3763 → 3811 [TX029] Transfer $259: B=4389 → 4130, A=3811 → 4070 [TX030] Transfer $961: A=4070 → 3109, B=4130 → 5091 [TX031] Transfer $90: A=3109 → 3019, B=5091 → 5181 [TX032] Payment PAY1019: Transfer $75: B=5181 → 5106, A=3019 → 3094 [TX033] Transfer $339: A=3094 → 2755, B=5106 → 5445 [TX034] Transfer $19: B=5445 → 5426, A=2755 → 2774 [TX035] Transfer $608: A=2774 → 2166, B=5426 → 6034 [TX036] Transfer $463: A=2166 → 1703, B=6034 → 6497 [TX037] Transfer $826: B=6497 → 5671, A=1703 → 2529 [TX038] Transfer $490: A=2529 → 2039, B=5671 → 6161 [TX039] Transfer $20: A=2039 → 2019, B=6161 → 6181 [TX040] Transfer $447: B=6181 → 5734, A=2019 → 2466 [TX041] Transfer $74: A=2466 → 2392, B=5734 → 5808 [TX042] Transfer $141: B=5808 → 5667, A=2392 → 2533 [TX043] Transfer $316: A=2533 → 2217, B=5667 → 5983 [TX044] Transfer $587: A=2217 → 1630, B=5983 → 6570 [TX045] Transfer $929: A=1630 → 701, B=6570 → 7499 [TX046] Transfer $546: B=7499 → 6953, A=701 → 1247 [TX047] Transfer $39: B=6953 → 6914, A=1247 → 1286 [TX048] Transfer $77: B=6914 → 6837, A=1286 → 1363 [TX049] Transfer $504: A=1363 → 859, B=6837 → 7341 [TX050] Transfer $83: B=7341 → 7258, A=859 → 942 [TX051] Transfer $450: A=942 → 492, B=7258 → 7708 [TX052] Transfer $473: B=7708 → 7235, A=492 → 965 [TX053] Transfer $666: B=7235 → 6569, A=965 → 1631 [TX054] Transfer $244: B=6569 → 6325, A=1631 → 1875 [TX055] Transfer $209: A=1875 → 1666, B=6325 → 6534 [TX056] Transfer $647: A=1666 → 1019, B=6534 → 7181 [TX057] Transfer $318: B=7181 → 6863, A=1019 → 1337 [TX058] Transfer $978: A=1337 → 359, B=6863 → 7841 [TX059] Transfer $240: B=7841 → 7601, A=359 → 599 [TX060] Transfer $25: A=599 → 574, B=7601 → 7626 [TX061] Transfer $302: A=574 → 272, B=7626 → 7928 [TX062] Transfer $8: A=272 → 264, B=7928 → 7936 [TX063] Transfer $828: B=7936 → 7108, A=264 → 1092 [TX064] Transfer $291: B=7108 → 6817, A=1092 → 1383 [TX065] Transfer $493: B=6817 → 6324, A=1383 → 1876 [TX066] Transfer $3: A=1876 → 1873, B=6324 → 6327 [TX067] Transfer $993: A=1873 → 880, B=6327 → 7320 [TX068] Transfer $315: B=7320 → 7005, A=880 → 1195 [TX069] Transfer $510: B=7005 → 6495, A=1195 → 1705 [TX070] Transfer $588: B=6495 → 5907, A=1705 → 2293 [TX071] Transfer $947: B=5907 → 4960, A=2293 → 3240 [TX072] Transfer $431: B=4960 → 4529, A=3240 → 3671 [TX073] Transfer $913: A=3671 → 2758, B=4529 → 5442 [TX074] Transfer $709: B=5442 → 4733, A=2758 → 3467 [TX075] Transfer $880: A=3467 → 2587, B=4733 → 5613 [TX076] Transfer $25: B=5613 → 5588, A=2587 → 2612 [TX077] Transfer $363: B=5588 → 5225, A=2612 → 2975 [TX078] Transfer $483: B=5225 → 4742, A=2975 → 3458 [TX079] Transfer $604: A=3458 → 2854, B=4742 → 5346 [TX080] Transfer $580: B=5346 → 4766, A=2854 → 3434 [TX081] Transfer $987: B=4766 → 3779, A=3434 → 4421 [TX082] Transfer $82: B=3779 → 3697, A=4421 → 4503 [TX083] Transfer $142: A=4503 → 4361, B=3697 → 3839 [TX084] Transfer $330: B=3839 → 3509, A=4361 → 4691 [TX085] Transfer $713: A=4691 → 3978, B=3509 → 4222 [TX086] Transfer $738: B=4222 → 3484, A=3978 → 4716 [TX087] Transfer $378: A=4716 → 4338, B=3484 → 3862 [TX088] Payment PAY1019: Transfer $75: B=3862 → 3787, A=4338 → 4413 [TX089] Transfer $167: B=3787 → 3620, A=4413 → 4580 [TX090] Transfer $425: A=4580 → 4155, B=3620 → 4045 [TX091] Transfer $308: A=4155 → 3847, B=4045 → 4353 [TX092] Transfer $875: A=3847 → 2972, B=4353 → 5228 [TX093] Transfer $940: B=5228 → 4288, A=2972 → 3912 [TX094] Transfer $359: B=4288 → 3929, A=3912 → 4271 [TX095] Transfer $675: B=3929 → 3254, A=4271 → 4946 [TX096] Transfer $307: B=3254 → 2947, A=4946 → 5253 [TX097] Transfer $897: B=2947 → 2050, A=5253 → 6150 [TX098] Transfer $316: B=2050 → 1734, A=6150 → 6466 [TX099] Transfer $812: B=1734 → 922, A=6466 → 7278 [TX100] Transfer $407: B=922 → 515, A=7278 → 7685 [TX101] Transfer $855: A=7685 → 6830, B=515 → 1370 [TX102] Transfer $594: B=1370 → 776, A=6830 → 7424 [TX103] Transfer $233: B=776 → 543, A=7424 → 7657 [TX104] Transfer $137: B=543 → 406, A=7657 → 7794 [TX105] Transfer $151: A=7794 → 7643, B=406 → 557 [TX106] Transfer $609: A=7643 → 7034, B=557 → 1166 [TX107] Transfer $133: B=1166 → 1033, A=7034 → 7167 [TX108] Transfer $591: B=1033 → 442, A=7167 → 7758 [TX109] Transfer $129: B=442 → 313, A=7758 → 7887 [TX110] Transfer $992: A=7887 → 6895, B=313 → 1305 [TX111] Transfer $134: A=6895 → 6761, B=1305 → 1439 [TX112] Transfer $119: A=6761 → 6642, B=1439 → 1558 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX088	Payment PAY1019 processed twice	DUPLICATE_TXN	112	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX088", "explanation": "Payment PAY1019 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 112}
45	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $135: A=4000 → 3865, B=4200 → 4335 [TX002] Transfer $995: B=4335 → 3340, A=3865 → 4860 [TX003] Transfer $813: A=4860 → 4047, B=3340 → 4153 [TX004] Transfer $471: A=4047 → 3576, B=4153 → 4624 [TX005] Transfer $473: B=4624 → 4151, A=3576 → 4049 [TX006] Transfer $207: A=4049 → 3842, B=4151 → 4358 [TX007] Transfer $316: A=3842 → 3526, B=4358 → 4674 [TX008] Transfer $243: A=3526 → 3283, B=4674 → 4917 [TX009] Transfer $94: A=3283 → 3189, B=4917 → 5011 [TX010] Transfer $703: A=3189 → 2486, B=5011 → 5714 [TX011] Transfer $490: B=5714 → 5224, A=2486 → 2976 [TX012] Transfer $104: A=2976 → 2872, B=5224 → 5328 [TX013] Transfer $717: B=5328 → 4611, A=2872 → 3589 [TX014] Transfer $686: A=3589 → 2903, B=4611 → 5297 [TX015] Transfer $725: B=5297 → 4572, A=2903 → 3628 [TX016] Transfer $398: A=3628 → 3230, B=4572 → 4970 [TX017] Transfer $783: A=3230 → 2447, B=4970 → 5753 [TX018] Transfer $793: A=2447 → 1654, B=5753 → 6546 [TX019] Transfer $841: B=6546 → 5705, A=1654 → 2495 [TX020] Transfer $548: B=5705 → 5157, A=2495 → 3043 [TX021] Transfer $502: A=3043 → 2541, B=5157 → 5659 [TX022] Transfer $908: A=2541 → 1633, B=5659 → 6567 [TX023] Transfer $379: A=1633 → 1254, B=6567 → 6946 [TX024] Transfer $515: B=6946 → 6431, A=1254 → 1769 [TX025] Transfer $938: A=1769 → 831, B=6431 → 7369 [TX026] Transfer $143: A=831 → 688, B=7369 → 7512 [TX027] Transfer $47: B=7512 → 7465, A=688 → 735 [TX028] Transfer $447: A=735 → 288, B=7465 → 7912 [TX029] Transfer $100: A=288 → 188, B=7912 → 8012 [TX030] Transfer $21: A=188 → 167, B=8012 → 8033 [TX031] Transfer $398: B=8033 → 7635, A=167 → 565 [TX032] Transfer $269: B=7635 → 7366, A=565 → 834 [TX033] Transfer $169: B=7366 → 7197, A=834 → 1003 [TX034] Transfer $478: B=7197 → 6719, A=1003 → 1481 [TX035] Transfer $704: A=1481 → 777, B=6719 → 7423 [TX036] Transfer $14: A=777 → 763, B=7423 → 7437 [TX037] Transfer $133: A=763 → 630, B=7437 → 7570 [TX038] Transfer $13: B=7570 → 7557, A=630 → 643 [TX039] Transfer $434: B=7557 → 7123, A=643 → 1077 [TX040] Transfer $437: A=1077 → 640, B=7123 → 7562 [TX041] Transfer $516: A=640 → 124, B=7560 → 8076 [TX042] Transfer $731: B=8076 → 7345, A=124 → 855 [TX043] Transfer $116: B=7345 → 7229, A=855 → 971 [TX044] Transfer $546: A=971 → 425, B=7229 → 7775 [TX045] Transfer $155: B=7775 → 7620, A=425 → 580 [TX046] Transfer $480: A=580 → 100, B=7620 → 8100 [TX047] Transfer $529: B=8100 → 7571, A=100 → 629 [TX048] Transfer $51: B=7571 → 7520, A=629 → 680 [TX049] Transfer $42: B=7520 → 7478, A=680 → 722 [TX050] Transfer $473: A=722 → 249, B=7478 → 7951 [TX051] Transfer $912: B=7951 → 7039, A=249 → 1161 [TX052] Transfer $437: B=7039 → 6602, A=1161 → 1598 [TX053] Transfer $787: B=6602 → 5815, A=1598 → 2385 [TX054] Transfer $185: A=2385 → 2200, B=5815 → 6000 [TX055] Transfer $429: B=6000 → 5571, A=2200 → 2629 [TX056] Transfer $334: A=2629 → 2295, B=5571 → 5905 [TX057] Transfer $612: B=5905 → 5293, A=2295 → 2907 [TX058] Transfer $751: A=2907 → 2156, B=5293 → 6044 [TX059] Transfer $256: A=2156 → 1900, B=6044 → 6300 [TX060] Transfer $549: A=1900 → 1351, B=6300 → 6849 [TX061] Transfer $746: A=1351 → 605, B=6849 → 7595 [TX062] Transfer $222: A=605 → 383, B=7595 → 7817 [TX063] Transfer $997: B=7817 → 6820, A=383 → 1380 [TX064] Transfer $942: B=6820 → 5878, A=1380 → 2322 [TX065] Transfer $80: B=5878 → 5798, A=2322 → 2402 [TX066] Transfer $41: B=5798 → 5757, A=2402 → 2443 [TX067] Transfer $393: A=2443 → 2050, B=5757 → 6150 [TX068] Transfer $951: A=2050 → 1099, B=6150 → 7101 [TX069] Transfer $412: B=7101 → 6689, A=1099 → 1511 [TX070] Transfer $975: A=1511 → 536, B=6689 → 7664 [TX071] Transfer $858: B=7664 → 6806, A=536 → 1394 [TX072] Transfer $814: B=6806 → 5992, A=1394 → 2208 [TX073] Transfer $312: A=2208 → 1896, B=5992 → 6304 [TX074] Transfer $385: A=1896 → 1511, B=6304 → 6689 [TX075] Transfer $780: B=6689 → 5909, A=1511 → 2291 [TX076] Transfer $766: B=5909 → 5143, A=2291 → 3057 [TX077] Transfer $515: A=3057 → 2542, B=5143 → 5658 [TX078] Transfer $933: A=2542 → 1609, B=5658 → 6591 [TX079] Transfer $281: A=1609 → 1328, B=6591 → 6872 [TX080] Transfer $214: A=1328 → 1114, B=6872 → 7086 [TX081] Transfer $674: A=1114 → 440, B=7086 → 7760 [TX082] Transfer $138: A=440 → 302, B=7760 → 7898 [TX083] Transfer $101: B=7898 → 7797, A=302 → 403 [TX084] Transfer $11: A=403 → 392, B=7797 → 7808 [TX085] Transfer $67: B=7808 → 7741, A=392 → 459 [TX086] Transfer $604: B=7741 → 7137, A=459 → 1063 [TX087] Transfer $556: B=7137 → 6581, A=1063 → 1619 [TX088] Transfer $954: B=6581 → 5627, A=1619 → 2573 [TX089] Transfer $350: A=2573 → 2223, B=5627 → 5977 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX040	Mathematical calculation is incorrect	CALC_ERROR	89	{"bug_type": "CALC_ERROR", "bug_location": "TX040", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 89}
48	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $195: B=4200 → 4005, A=4000 → 4195 [TX002] Transfer $317: A=4195 → 3878, B=4005 → 4322 [TX003] Transfer $28: A=3878 → 3850, B=4322 → 4350 [TX004] Transfer $555: A=3850 → 3295, B=4350 → 4905 [TX005] Transfer $337: B=4905 → 4568, A=3295 → 3632 [TX006] Transfer $675: B=4568 → 3893, A=3632 → 4307 [TX007] Transfer $312: A=4307 → 3995, B=3893 → 4205 [TX008] Transfer $279: A=3995 → 3716, B=4205 → 4484 [TX009] Transfer $792: A=3716 → 2924, B=4484 → 5276 [TX010] Transfer $142: B=5276 → 5134, A=2924 → 3066 [TX011] Transfer $856: B=5134 → 4278, A=3066 → 3922 [TX012] Transfer $456: B=4278 → 3822, A=3922 → 4378 [TX013] Transfer $52: A=4378 → 4326, B=3822 → 3874 [TX014] Transfer $410: B=3874 → 3464, A=4326 → 4736 [TX015] Transfer $791: A=4736 → 3945, B=3464 → 4255 [TX016] Transfer $97: B=4255 → 4158, A=3945 → 4042 [TX017] Transfer $168: A=4042 → 3874, B=4158 → 4326 [TX018] Transfer $965: A=3874 → 2909, B=4326 → 5291 [TX019] Transfer $769: B=5291 → 4522, A=2909 → 3678 [TX020] Transfer $197: B=4522 → 4325, A=3678 → 3875 [TX021] Transfer $820: A=3875 → 3055, B=4325 → 5145 [TX022] Transfer $263: B=5145 → 4882, A=3055 → 3318 [TX023] Transfer $18: A=3318 → 3300, B=4882 → 4900 [TX024] Transfer $824: A=3300 → 2476, B=4900 → 5724 [TX025] Transfer $986: B=5724 → 4738, A=2476 → 3462 [TX026] Thread T1: READ A=3462 [TX027] Thread T2: READ A=3462 [TX028] Thread T1: COMMIT A=3462 → 3322 [TX029] Thread T2: COMMIT A=3462 → 3320 [TX030] Transfer $446: B=4738 → 4292, A=3320 → 3766 [TX031] Transfer $720: B=4292 → 3572, A=3766 → 4486 [TX032] Transfer $898: A=4486 → 3588, B=3572 → 4470 [TX033] Transfer $976: B=4470 → 3494, A=3588 → 4564 [TX034] Transfer $48: B=3494 → 3446, A=4564 → 4612 [TX035] Transfer $183: A=4612 → 4429, B=3446 → 3629 [TX036] Transfer $533: A=4429 → 3896, B=3629 → 4162 [TX037] Transfer $713: A=3896 → 3183, B=4162 → 4875 [TX038] Transfer $64: B=4875 → 4811, A=3183 → 3247 [TX039] Transfer $382: A=3247 → 2865, B=4811 → 5193 [TX040] Transfer $431: B=5193 → 4762, A=2865 → 3296 [TX041] Transfer $960: A=3296 → 2336, B=4762 → 5722 [TX042] Transfer $375: A=2336 → 1961, B=5722 → 6097 [TX043] Transfer $32: A=1961 → 1929, B=6097 → 6129 [TX044] Transfer $315: B=6129 → 5814, A=1929 → 2244 [TX045] Transfer $932: B=5814 → 4882, A=2244 → 3176 [TX046] Transfer $31: B=4882 → 4851, A=3176 → 3207 [TX047] Transfer $31: A=3207 → 3176, B=4851 → 4882 [TX048] Transfer $754: B=4882 → 4128, A=3176 → 3930 [TX049] Transfer $49: A=3930 → 3881, B=4128 → 4177 [TX050] Transfer $163: B=4177 → 4014, A=3881 → 4044 [TX051] Transfer $359: A=4044 → 3685, B=4014 → 4373 [TX052] Transfer $431: A=3685 → 3254, B=4373 → 4804 [TX053] Transfer $993: A=3254 → 2261, B=4804 → 5797 [TX054] Transfer $427: B=5797 → 5370, A=2261 → 2688 [TX055] Transfer $879: B=5370 → 4491, A=2688 → 3567 [TX056] Transfer $489: A=3567 → 3078, B=4491 → 4980 [TX057] Transfer $133: B=4980 → 4847, A=3078 → 3211 [TX058] Transfer $981: B=4847 → 3866, A=3211 → 4192 [TX059] Transfer $506: A=4192 → 3686, B=3866 → 4372 [TX060] Transfer $226: A=3686 → 3460, B=4372 → 4598 [TX061] Transfer $232: A=3460 → 3228, B=4598 → 4830 [TX062] Transfer $736: A=3228 → 2492, B=4830 → 5566 [TX063] Transfer $910: B=5566 → 4656, A=2492 → 3402 [TX064] Transfer $233: A=3402 → 3169, B=4656 → 4889 [TX065] Transfer $749: B=4889 → 4140, A=3169 → 3918 [TX066] Transfer $729: B=4140 → 3411, A=3918 → 4647 [TX067] Transfer $780: B=3411 → 2631, A=4647 → 5427 [TX068] Transfer $434: A=5427 → 4993, B=2631 → 3065 [TX069] Transfer $595: B=3065 → 2470, A=4993 → 5588 [TX070] Transfer $649: A=5588 → 4939, B=2470 → 3119 [TX071] Transfer $188: A=4939 → 4751, B=3119 → 3307 [TX072] Transfer $651: A=4751 → 4100, B=3307 → 3958 [TX073] Transfer $167: A=4100 → 3933, B=3958 → 4125 [TX074] Transfer $13: B=4125 → 4112, A=3933 → 3946 [TX075] Transfer $880: B=4112 → 3232, A=3946 → 4826 [TX076] Transfer $645: B=3232 → 2587, A=4826 → 5471 [TX077] Transfer $221: B=2587 → 2366, A=5471 → 5692 [TX078] Transfer $560: B=2366 → 1806, A=5692 → 6252 [TX079] Transfer $764: B=1806 → 1042, A=6252 → 7016 [TX080] Transfer $347: B=1042 → 695, A=7016 → 7363 [TX081] Transfer $351: A=7363 → 7012, B=695 → 1046 [TX082] Transfer $681: B=1046 → 365, A=7012 → 7693 [TX083] Transfer $783: A=7693 → 6910, B=365 → 1148 [TX084] Transfer $802: B=1148 → 346, A=6910 → 7712 [TX085] Transfer $166: B=346 → 180, A=7712 → 7878 [TX086] Transfer $98: A=7878 → 7780, B=180 → 278 [TX087] Transfer $851: A=7780 → 6929, B=278 → 1129 [TX088] Transfer $565: A=6929 → 6364, B=1129 → 1694 [TX089] Transfer $896: B=1694 → 798, A=6364 → 7260 [TX090] Transfer $465: B=798 → 333, A=7260 → 7725 [TX091] Transfer $223: B=333 → 110, A=7725 → 7948 [TX092] Transfer $841: A=7948 → 7107, B=110 → 951 [TX093] Transfer $862: A=7107 → 6245, B=951 → 1813 [TX094] Transfer $205: A=6245 → 6040, B=1813 → 2018 [TX095] Transfer $578: B=2018 → 1440, A=6040 → 6618 [TX096] Transfer $554: A=6618 → 6064, B=1440 → 1994 [TX097] Transfer $385: A=6064 → 5679, B=1994 → 2379 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX029	Thread T2 overwrites T1's change	LOST_UPDATE	97	{"bug_type": "LOST_UPDATE", "bug_location": "TX029", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 97}
92	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $282: A=4000 → 3718, B=4200 → 4482 [TX002] Transfer $983: B=4482 → 3499, A=3718 → 4701 [TX003] Transfer $397: A=4701 → 4304, B=3499 → 3896 [TX004] Transfer $122: B=3896 → 3774, A=4304 → 4426 [TX005] Transfer $294: A=4426 → 4132, B=3774 → 4068 [TX006] Transfer $608: B=4068 → 3460, A=4132 → 4740 [TX007] Transfer $408: B=3460 → 3052, A=4740 → 5148 [TX008] Transfer $659: A=5148 → 4489, B=3052 → 3711 [TX009] Transfer $768: B=3711 → 2943, A=4489 → 5257 [TX010] Transfer $864: A=5257 → 4393, B=2943 → 3807 [TX011] Transfer $770: B=3807 → 3037, A=4393 → 5163 [TX012] Transfer $941: B=3037 → 2096, A=5163 → 6104 [TX013] Transfer $473: A=6104 → 5631, B=2096 → 2569 [TX014] Transfer $13: A=5631 → 5618, B=2569 → 2582 [TX015] Transfer $842: A=5618 → 4776, B=2582 → 3424 [TX016] Transfer $685: B=3424 → 2739, A=4776 → 5461 [TX017] Transfer $659: A=5461 → 4802, B=2739 → 3398 [TX018] Transfer $737: B=3398 → 2661, A=4802 → 5539 [TX019] Transfer $92: B=2661 → 2569, A=5539 → 5631 [TX020] Transfer $690: B=2569 → 1879, A=5631 → 6321 [TX021] Transfer $700: A=6321 → 5621, B=1879 → 2579 [TX022] Transfer $338: A=5621 → 5283, B=2579 → 2917 [TX023] Transfer $35: A=5283 → 5248, B=2917 → 2952 [TX024] Transfer $112: A=5248 → 5136, B=2952 → 3064 [TX025] Transfer $806: A=5136 → 4330, B=3064 → 3870 [TX026] Transfer $412: A=4330 → 3918, B=3870 → 4282 [TX027] Transfer $750: A=3918 → 3168, B=4282 → 5032 [TX028] Transfer $201: A=3168 → 2967, B=5032 → 5233 [TX029] Transfer $280: A=2967 → 2687, B=5233 → 5513 [TX030] Transfer $489: B=5513 → 5024, A=2687 → 3176 [TX031] Transfer $674: B=5024 → 4350, A=3176 → 3850 [TX032] Transfer $548: A=3850 → 3302, B=4350 → 4898 [TX033] Transfer $48: A=3302 → 3254, B=4898 → 4946 [TX034] Transfer $747: B=4946 → 4199, A=3254 → 4001 [TX035] Transfer $887: A=4001 → 3114, B=4199 → 5086 [TX036] Transfer $616: B=5086 → 4470, A=3114 → 3730 [TX037] Transfer $77: A=3730 → 3653, B=4470 → 4547 [TX038] Transfer $108: B=4547 → 4439, A=3653 → 3761 [TX039] Transfer $1000: B=4439 → 3439, A=3761 → 4761 [TX040] Transfer $792: B=3439 → 2647, A=4761 → 5553 [TX041] Transfer $870: A=5553 → 4683, B=2647 → 3517 [TX042] Transfer $917: B=3517 → 2600, A=4683 → 5600 [TX043] Transfer $544: A=5600 → 5056, B=2600 → 3144 [TX044] Transfer $950: B=3144 → 2194, A=5056 → 6006 [TX045] Transfer $939: A=6006 → 5067, B=2194 → 3133 [TX046] Transfer $899: A=5067 → 4168, B=3133 → 4032 [TX047] Transfer $300: A=4168 → 3868, B=4032 → 4332 [TX048] Transfer $979: A=3868 → 2889, B=4332 → 5311 [TX049] Transfer $515: A=2889 → 2374, B=5311 → 5826 [TX050] Transfer $568: B=5826 → 5258, A=2374 → 2942 [TX051] Transfer $63: B=5258 → 5195, A=2942 → 3005 [TX052] Transfer $204: A=3005 → 2801, B=5195 → 5399 [TX053] Transfer $64: A=2801 → 2737, B=5399 → 5463 [TX054] Transfer $499: B=5463 → 4964, A=2737 → 3236 [TX055] Transfer $944: A=3236 → 2292, B=4964 → 5908 [TX056] Transfer $83: B=5908 → 5825, A=2292 → 2375 [TX057] Transfer $103: B=5825 → 5722, A=2375 → 2478 [TX058] Transfer $120: A=2478 → 2358, B=5722 → 5842 [TX059] Transfer $803: A=2358 → 1555, B=5842 → 6645 [TX060] Transfer $950: A=1555 → 605, B=6645 → 7595 [TX061] Transfer $157: A=605 → 448, B=7595 → 7752 [TX062] Transfer $167: B=7752 → 7585, A=448 → 615 [TX063] Transfer $96: A=615 → 519, B=7585 → 7681 [TX064] Transfer $275: A=519 → 244, B=7681 → 7956 [TX065] Transfer $326: B=7956 → 7630, A=244 → 570 [TX066] Transfer $358: A=570 → 212, B=7630 → 7988 [TX067] Transfer $57: A=212 → 155, B=7988 → 8045 [TX068] Transfer $504: B=8045 → 7541, A=155 → 659 [TX069] Transfer $882: B=7541 → 6659, A=659 → 1541 [TX070] Transfer $621: B=6659 → 6038, A=1541 → 2162 [TX071] Transfer $569: A=2162 → 1593, B=6038 → 6607 [TX072] Transfer $942: A=1593 → 651, B=6607 → 7549 [TX073] Transfer $631: B=7549 → 6918, A=651 → 1282 [TX074] Transfer $127: A=1282 → 1155, B=6918 → 7045 [TX075] Transfer $257: B=7045 → 6788, A=1155 → 1412 [TX076] Transfer $358: A=1412 → 1054, B=6788 → 7146 [TX077] Transfer $79: B=7146 → 7067, A=1054 → 1133 [TX078] Transfer $944: A=1133 → 189, B=7067 → 8011 [TX079] Transfer $341: B=8011 → 7670, A=189 → 530 [TX080] Transfer $307: A=530 → 223, B=7670 → 7977 [TX081] Transfer $399: B=7977 → 7578, A=223 → 622 [TX082] Transfer $261: A=622 → 361, B=7578 → 7839 [TX083] Transfer $173: B=7839 → 7666, A=361 → 534 [TX084] Transfer $777: B=7666 → 6889, A=534 → 1311 [TX085] Transfer $916: B=6889 → 5973, A=1311 → 2227 [TX086] Transfer $144: A=2227 → 2083, B=5973 → 6117 [TX087] Transfer $500: B=6117 → 5617, A=2083 → 2583 [TX088] Transfer $599: A=2583 → 1984, B=5617 → 6216 [TX089] Transfer $438: B=6216 → 5778, A=1984 → 2422 [TX090] Transfer $520: B=5778 → 5258, A=2422 → 2942 [TX091] Transfer $33: A=2942 → 2909, B=5258 → 5291 [TX092] Transfer $607: B=5291 → 4684, A=2909 → 3516 [TX093] Transfer $464: B=4684 → 4220, A=3516 → 3980 [TX094] Transfer $215: B=4220 → 4005, A=3980 → 4195 [TX095] Transfer $798: B=4005 → 3207, A=4195 → 4993 [TX096] Transfer $874: B=3207 → 2333, A=4993 → 5867 [TX097] Transfer $655: A=5867 → 5212, B=2333 → 2988 [TX098] Transfer $161: A=5212 → 5051, B=2988 → 3149 [TX099] Transfer $138: B=3149 → 3011, A=5051 → 5189 [TX100] Thread T1: READ B=3011 [TX101] Thread T2: READ B=3011 [TX102] Thread T1: COMMIT B=3011 → 2858 [TX103] Thread T2: COMMIT B=3011 → 2868 [TX104] Transfer $393: A=5189 → 4796, B=2868 → 3261 [TX105] Transfer $25: A=4796 → 4771, B=3261 → 3286 [TX106] Transfer $303: A=4771 → 4468, B=3286 → 3589 [TX107] Transfer $860: B=3589 → 2729, A=4468 → 5328 [TX108] Transfer $840: A=5328 → 4488, B=2729 → 3569 [TX109] Transfer $883: B=3569 → 2686, A=4488 → 5371 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX103	Thread T2 overwrites T1's change	LOST_UPDATE	109	{"bug_type": "LOST_UPDATE", "bug_location": "TX103", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 109}
76	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $960: A=4000 → 3040, B=4200 → 5160 [TX002] Transfer $520: A=3040 → 2520, B=5160 → 5680 [TX003] Transfer $363: A=2520 → 2157, B=5680 → 6043 [TX004] Transfer $558: A=2157 → 1599, B=6043 → 6601 [TX005] Transfer $11: B=6601 → 6590, A=1599 → 1610 [TX006] Transfer $190: B=6590 → 6400, A=1610 → 1800 [TX007] Transfer $322: B=6400 → 6078, A=1800 → 2122 [TX008] Transfer $457: A=2122 → 1665, B=6078 → 6535 [TX009] Transfer $336: B=6535 → 6199, A=1665 → 2001 [TX010] Transfer $748: A=2001 → 1253, B=6199 → 6947 [TX011] Transfer $833: A=1253 → 420, B=6947 → 7780 [TX012] Transfer $264: A=420 → 156, B=7780 → 8044 [TX013] Transfer $29: A=156 → 127, B=8044 → 8073 [TX014] Transfer $301: B=8073 → 7772, A=127 → 428 [TX015] Transfer $510: B=7772 → 7262, A=428 → 938 [TX016] Transfer $455: A=938 → 483, B=7262 → 7717 [TX017] Transfer $608: B=7717 → 7109, A=483 → 1091 [TX018] Transfer $319: B=7109 → 6790, A=1091 → 1410 [TX019] Transfer $835: A=1410 → 575, B=6790 → 7625 [TX020] Transfer $603: B=7625 → 7022, A=575 → 1178 [TX021] Transfer $646: B=7022 → 6376, A=1178 → 1824 [TX022] Transfer $996: B=6376 → 5380, A=1824 → 2820 [TX023] Transfer $626: B=5380 → 4754, A=2820 → 3446 [TX024] Transfer $116: A=3446 → 3330, B=4754 → 4870 [TX025] Transfer $493: A=3330 → 2837, B=4870 → 5363 [TX026] Transfer $546: A=2837 → 2291, B=5363 → 5909 [TX027] Transfer $169: A=2291 → 2122, B=5909 → 6078 [TX028] Transfer $555: A=2122 → 1567, B=6078 → 6633 [TX029] Transfer $928: B=6633 → 5705, A=1567 → 2495 [TX030] Transfer $668: B=5705 → 5037, A=2495 → 3163 [TX031] Transfer $285: B=5037 → 4752, A=3163 → 3448 [TX032] Transfer $598: B=4752 → 4154, A=3448 → 4046 [TX033] Transfer $176: B=4154 → 3978, A=4046 → 4222 [TX034] Transfer $338: B=3978 → 3640, A=4222 → 4560 [TX035] Transfer $970: B=3640 → 2670, A=4560 → 5530 [TX036] Transfer $185: A=5530 → 5345, B=2670 → 2855 [TX037] Transfer $453: A=5345 → 4892, B=2855 → 3308 [TX038] Transfer $841: B=3308 → 2467, A=4892 → 5733 [TX039] Transfer $543: A=5733 → 5190, B=2467 → 3010 [TX040] Transfer $922: A=5190 → 4268, B=3010 → 3932 [TX041] Transfer $16: A=4268 → 4252, B=3932 → 3948 [TX042] Transfer $939: B=3948 → 3009, A=4252 → 5191 [TX043] Transfer $832: B=3009 → 2177, A=5191 → 6023 [TX044] Transfer $815: A=6023 → 5208, B=2177 → 2992 [TX045] Transfer $510: A=5208 → 4698, B=2992 → 3502 [TX046] Transfer $537: A=4698 → 4161, B=3502 → 4039 [TX047] Transfer $188: A=4161 → 3973, B=4039 → 4227 [TX048] Transfer $216: A=3973 → 3757, B=4227 → 4443 [TX049] Transfer $871: B=4443 → 3572, A=3757 → 4628 [TX050] Transfer $593: A=4628 → 4035, B=3572 → 4165 [TX051] Transfer $856: A=4035 → 3179, B=4165 → 5021 [TX052] Transfer $969: A=3179 → 2210, B=5021 → 5990 [TX053] Transfer $910: B=5990 → 5080, A=2210 → 3120 [TX054] Transfer $855: A=3120 → 2265, B=5080 → 5935 [TX055] Transfer $481: A=2265 → 1784, B=5935 → 6416 [TX056] Transfer $325: A=1784 → 1459, B=6416 → 6741 [TX057] Transfer $948: A=1459 → 511, B=6741 → 7689 [TX058] Transfer $228: B=7689 → 7461, A=511 → 739 [TX059] Transfer $645: B=7461 → 6816, A=739 → 1384 [TX060] Transfer $774: B=6816 → 6042, A=1384 → 2158 [TX061] Transfer $789: B=6042 → 5253, A=2158 → 2947 [TX062] Transfer $131: B=5253 → 5122, A=2947 → 3078 [TX063] Transfer $766: B=5122 → 4356, A=3078 → 3844 [TX064] Transfer $591: A=3844 → 3253, B=4356 → 4947 [TX065] Transfer $12: A=3253 → 3241, B=4947 → 4959 [TX066] Transfer $875: A=3241 → 2366, B=4959 → 5834 [TX067] Transfer $139: B=5834 → 5695, A=2366 → 2505 [TX068] Transfer $126: B=5695 → 5569, A=2505 → 2630 [TX069] Transfer $589: B=5569 → 4980, A=2631 → 3220 [TX070] Transfer $848: A=3220 → 2372, B=4980 → 5828 [TX071] Transfer $45: A=2372 → 2327, B=5828 → 5873 [TX072] Transfer $64: B=5873 → 5809, A=2327 → 2391 [TX073] Transfer $219: A=2391 → 2172, B=5809 → 6028 [TX074] Transfer $412: B=6028 → 5616, A=2172 → 2584 [TX075] Transfer $957: A=2584 → 1627, B=5616 → 6573 [TX076] Transfer $390: B=6573 → 6183, A=1627 → 2017 [TX077] Transfer $938: B=6183 → 5245, A=2017 → 2955 [TX078] Transfer $224: B=5245 → 5021, A=2955 → 3179 [TX079] Transfer $583: B=5021 → 4438, A=3179 → 3762 [TX080] Transfer $363: A=3762 → 3399, B=4438 → 4801 [TX081] Transfer $723: A=3399 → 2676, B=4801 → 5524 [TX082] Transfer $559: A=2676 → 2117, B=5524 → 6083 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX068	Mathematical calculation is incorrect	CALC_ERROR	82	{"bug_type": "CALC_ERROR", "bug_location": "TX068", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 82}
37	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $152: A=4000 → 3848, B=4200 → 4352 [TX002] Transfer $82: B=4352 → 4270, A=3848 → 3930 [TX003] Transfer $14: A=3930 → 3916, B=4270 → 4284 [TX004] Transfer $785: B=4284 → 3499, A=3916 → 4701 [TX005] Transfer $763: A=4701 → 3938, B=3499 → 4262 [TX006] Transfer $483: A=3938 → 3455, B=4262 → 4745 [TX007] Transfer $456: B=4745 → 4289, A=3455 → 3911 [TX008] Transfer $115: A=3911 → 3796, B=4289 → 4404 [TX009] Transfer $904: A=3796 → 2892, B=4404 → 5308 [TX010] Transfer $517: A=2892 → 2375, B=5308 → 5825 [TX011] Transfer $407: A=2375 → 1968, B=5825 → 6232 [TX012] Transfer $569: B=6232 → 5663, A=1968 → 2537 [TX013] Transfer $728: B=5663 → 4935, A=2537 → 3265 [TX014] Transfer $955: A=3265 → 2310, B=4935 → 5890 [TX015] Transfer $998: A=2310 → 1312, B=5890 → 6888 [TX016] Transfer $975: A=1312 → 337, B=6888 → 7863 [TX017] Transfer $104: A=337 → 233, B=7863 → 7967 [TX018] Transfer $102: A=233 → 131, B=7967 → 8069 [TX019] Transfer $28: A=131 → 103, B=8069 → 8097 [TX020] Transfer $322: B=8097 → 7775, A=103 → 425 [TX021] Transfer $170: B=7775 → 7605, A=425 → 595 [TX022] Transfer $333: A=595 → 262, B=7605 → 7938 [TX023] Transfer $278: B=7938 → 7660, A=262 → 540 [TX024] Transfer $41: A=540 → 499, B=7660 → 7701 [TX025] Transfer $30: B=7701 → 7671, A=499 → 529 [TX026] Transfer $85: A=529 → 444, B=7671 → 7756 [TX027] Transfer $110: A=444 → 334, B=7756 → 7866 [TX028] Transfer $50: A=334 → 284, B=7866 → 7916 [TX029] Transfer $63: A=284 → 221, B=7916 → 7979 [TX030] Transfer $585: B=7979 → 7394, A=221 → 806 [TX031] Transfer $48: A=806 → 758, B=7394 → 7442 [TX032] Transfer $97: A=758 → 661, B=7442 → 7539 [TX033] Transfer $367: B=7539 → 7172, A=661 → 1028 [TX034] Transfer $514: B=7172 → 6658, A=1028 → 1542 [TX035] Transfer $771: A=1542 → 771, B=6658 → 7429 [TX036] Transfer $999: B=7429 → 6430, A=771 → 1770 [TX037] Transfer $341: A=1770 → 1429, B=6430 → 6771 [TX038] Transfer $516: B=6771 → 6255, A=1429 → 1945 [TX039] Transfer $603: A=1945 → 1342, B=6255 → 6858 [TX040] Transfer $602: B=6858 → 6256, A=1342 → 1944 [TX041] Transfer $167: A=1944 → 1777, B=6256 → 6423 [TX042] Transfer $82: A=1777 → 1695, B=6423 → 6505 [TX043] Transfer $907: A=1695 → 788, B=6505 → 7412 [TX044] Transfer $166: A=788 → 622, B=7412 → 7578 [TX045] Transfer $806: B=7578 → 6772, A=622 → 1428 [TX046] Transfer $299: A=1428 → 1129, B=6772 → 7071 [TX047] Transfer $42: B=7071 → 7029, A=1129 → 1171 [TX048] Transfer $215: B=7029 → 6814, A=1171 → 1386 [TX049] Transfer $582: A=1386 → 804, B=6814 → 7396 [TX050] Transfer $826: B=7396 → 6570, A=804 → 1630 [TX051] Transfer $786: A=1630 → 844, B=6570 → 7356 [TX052] Transfer $512: B=7356 → 6844, A=844 → 1356 [TX053] Transfer $323: A=1356 → 1033, B=6844 → 7167 [TX054] Transfer $167: A=1033 → 866, B=7167 → 7334 [TX055] Transfer $592: A=866 → 274, B=7334 → 7926 [TX056] Transfer $93: B=7926 → 7833, A=274 → 367 [TX057] Transfer $237: A=367 → 130, B=7833 → 8070 [TX058] Transfer $264: B=8070 → 7806, A=130 → 394 [TX059] Transfer $964: B=7806 → 6842, A=394 → 1358 [TX060] Transfer $42: A=1358 → 1316, B=6842 → 6884 [TX061] Transfer $412: B=6884 → 6472, A=1316 → 1728 [TX062] Transfer $453: B=6472 → 6019, A=1728 → 2181 [TX063] Transfer $384: B=6019 → 5635, A=2181 → 2565 [TX064] Transfer $520: A=2565 → 2045, B=5635 → 6155 [TX065] Transfer $900: B=6155 → 5255, A=2045 → 2945 [TX066] Transfer $760: A=2945 → 2185, B=5255 → 6015 [TX067] Transfer $160: A=2185 → 2025, B=6015 → 6175 [TX068] Transfer $386: A=2025 → 1639, B=6175 → 6561 [TX069] Transfer $876: A=1639 → 763, B=6561 → 7437 [TX070] Transfer $399: A=763 → 364, B=7437 → 7836 [TX071] Transfer $359: B=7836 → 7477, A=364 → 723 [TX072] Transfer $659: B=7477 → 6818, A=723 → 1382 [TX073] Transfer $89: B=6818 → 6729, A=1382 → 1471 [TX074] Transfer $941: A=1471 → 530, B=6729 → 7670 [TX075] Transfer $206: B=7670 → 7464, A=530 → 736 [TX076] Transfer $68: B=7464 → 7396, A=736 → 804 [TX077] Transfer $620: B=7396 → 6776, A=804 → 1424 [TX078] Transfer $721: B=6776 → 6055, A=1424 → 2143 [TX079] Transfer $467: A=2145 → 1678, B=6055 → 6522 [TX080] Transfer $973: A=1678 → 705, B=6522 → 7495 [TX081] Transfer $657: B=7495 → 6838, A=705 → 1362 [TX082] Transfer $583: A=1362 → 779, B=6838 → 7421 [TX083] Transfer $65: A=779 → 714, B=7421 → 7486 [TX084] Transfer $486: B=7486 → 7000, A=714 → 1200 [TX085] Transfer $218: A=1200 → 982, B=7000 → 7218 [TX086] Transfer $278: A=982 → 704, B=7218 → 7496 [TX087] Transfer $87: B=7496 → 7409, A=704 → 791 [TX088] Transfer $282: A=791 → 509, B=7409 → 7691 [TX089] Transfer $307: B=7691 → 7384, A=509 → 816 [TX090] Transfer $539: B=7384 → 6845, A=816 → 1355 [TX091] Transfer $190: A=1355 → 1165, B=6845 → 7035 [TX092] Transfer $918: A=1165 → 247, B=7035 → 7953 [TX093] Transfer $988: B=7953 → 6965, A=247 → 1235 [TX094] Transfer $205: B=6965 → 6760, A=1235 → 1440 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX078	Mathematical calculation is incorrect	CALC_ERROR	94	{"bug_type": "CALC_ERROR", "bug_location": "TX078", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 94}
30	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $522: A=4000 → 3478, B=4200 → 4722 [TX002] Transfer $277: B=4722 → 4445, A=3478 → 3755 [TX003] Transfer $477: A=3755 → 3278, B=4445 → 4922 [TX004] Transfer $497: B=4922 → 4425, A=3278 → 3775 [TX005] Transfer $650: A=3775 → 3125, B=4425 → 5075 [TX006] Transfer $277: A=3125 → 2848, B=5075 → 5352 [TX007] Transfer $783: A=2848 → 2065, B=5352 → 6135 [TX008] Transfer $583: A=2065 → 1482, B=6135 → 6718 [TX009] Transfer $87: B=6718 → 6631, A=1482 → 1569 [TX010] Transfer $384: A=1569 → 1185, B=6631 → 7015 [TX011] Transfer $552: A=1185 → 633, B=7015 → 7567 [TX012] Transfer $44: B=7567 → 7523, A=633 → 677 [TX013] Transfer $298: A=677 → 379, B=7523 → 7821 [TX014] Transfer $32: A=379 → 347, B=7821 → 7853 [TX015] Transfer $614: B=7853 → 7239, A=347 → 961 [TX016] Transfer $361: B=7239 → 6878, A=961 → 1322 [TX017] Transfer $48: A=1322 → 1274, B=6878 → 6926 [TX018] Transfer $309: A=1274 → 965, B=6926 → 7235 [TX019] Transfer $717: A=965 → 248, B=7235 → 7952 [TX020] Transfer $144: A=248 → 104, B=7952 → 8096 [TX021] Transfer $217: B=8096 → 7879, A=104 → 321 [TX022] Transfer $652: B=7879 → 7227, A=321 → 973 [TX023] Transfer $281: B=7227 → 6946, A=973 → 1254 [TX024] Transfer $351: A=1254 → 903, B=6946 → 7297 [TX025] Transfer $615: A=903 → 288, B=7297 → 7912 [TX026] Transfer $937: B=7912 → 6975, A=288 → 1225 [TX027] Transfer $625: A=1225 → 600, B=6975 → 7600 [TX028] Transfer $925: B=7600 → 6675, A=600 → 1525 [TX029] Transfer $425: A=1525 → 1100, B=6675 → 7100 [TX030] Transfer $553: B=7100 → 6547, A=1100 → 1653 [TX031] Transfer $553: A=1653 → 1100, B=6547 → 7100 [TX032] Transfer $690: A=1100 → 410, B=7100 → 7790 [TX033] Transfer $194: A=410 → 216, B=7790 → 7984 [TX034] Transfer $183: B=7984 → 7801, A=216 → 399 [TX035] Transfer $238: A=399 → 161, B=7801 → 8039 [TX036] Transfer $457: B=8039 → 7582, A=161 → 618 [TX037] Transfer $22: A=618 → 596, B=7582 → 7604 [TX038] Transfer $198: B=7604 → 7406, A=596 → 794 [TX039] Transfer $228: A=794 → 566, B=7406 → 7634 [TX040] Transfer $187: A=566 → 379, B=7634 → 7821 [TX041] Transfer $254: A=379 → 125, B=7821 → 8075 [TX042] Transfer $8: A=125 → 117, B=8075 → 8083 [TX043] Transfer $892: B=8083 → 7191, A=117 → 1009 [TX044] Transfer $176: B=7191 → 7015, A=1009 → 1185 [TX045] Transfer $68: A=1185 → 1117, B=7015 → 7083 [TX046] Transfer $132: A=1117 → 985, B=7083 → 7215 [TX047] Transfer $904: B=7215 → 6311, A=985 → 1889 [TX048] Transfer $870: B=6311 → 5441, A=1889 → 2759 [TX049] Transfer $699: A=2759 → 2060, B=5441 → 6140 [TX050] Transfer $962: B=6140 → 5178, A=2060 → 3022 [TX051] Transfer $876: B=5178 → 4302, A=3022 → 3898 [TX052] Transfer $866: B=4302 → 3436, A=3898 → 4764 [TX053] Transfer $126: B=3436 → 3310, A=4764 → 4890 [TX054] Transfer $372: B=3310 → 2938, A=4890 → 5262 [TX055] Transfer $50: A=5262 → 5212, B=2938 → 2988 [TX056] Transfer $547: B=2988 → 2441, A=5212 → 5759 [TX057] Transfer $7: B=2441 → 2434, A=5759 → 5766 [TX058] Transfer $344: B=2434 → 2090, A=5766 → 6110 [TX059] Transfer $757: A=6110 → 5353, B=2090 → 2847 [TX060] Transfer $982: A=5353 → 4371, B=2847 → 3829 [TX061] Transfer $203: A=4371 → 4168, B=3829 → 4032 [TX062] Transfer $320: A=4168 → 3848, B=4032 → 4352 [TX063] Transfer $30: A=3848 → 3818, B=4352 → 4382 [TX064] Transfer $829: B=4382 → 3553, A=3818 → 4647 [TX065] Transfer $862: A=4647 → 3785, B=3553 → 4415 [TX066] Transfer $112: B=4415 → 4303, A=3785 → 3897 [TX067] Transfer $983: B=4303 → 3320, A=3897 → 4880 [TX068] Transfer $843: B=3320 → 2477, A=4880 → 5723 [TX069] Transfer $968: B=2477 → 1509, A=5723 → 6691 [TX070] Transfer $784: A=6691 → 5907, B=1509 → 2293 [TX071] Transfer $594: A=5907 → 5313, B=2293 → 2887 [TX072] Transfer $999: A=5313 → 4314, B=2887 → 3886 [TX073] Transfer $388: A=4314 → 3926, B=3886 → 4274 [TX074] Transfer $803: B=4274 → 3471, A=3926 → 4729 [TX075] Transfer $943: A=4729 → 3786, B=3471 → 4414 [TX076] Transfer $310: B=4414 → 4104, A=3786 → 4096 [TX077] Transfer $106: B=4104 → 3998, A=4096 → 4202 [TX078] Transfer $303: A=4202 → 3899, B=3998 → 4299 [TX079] Transfer $634: B=4301 → 3667, A=3899 → 4533 [TX080] Transfer $887: B=3667 → 2780, A=4533 → 5420 [TX081] Transfer $395: A=5420 → 5025, B=2780 → 3175 [TX082] Transfer $903: B=3175 → 2272, A=5025 → 5928 [TX083] Transfer $668: A=5928 → 5260, B=2272 → 2940 [TX084] Transfer $531: A=5260 → 4729, B=2940 → 3471 [TX085] Transfer $112: B=3471 → 3359, A=4729 → 4841 [TX086] Transfer $611: A=4841 → 4230, B=3359 → 3970 [TX087] Transfer $928: A=4230 → 3302, B=3970 → 4898 [TX088] Transfer $365: A=3302 → 2937, B=4898 → 5263 [TX089] Transfer $744: B=5263 → 4519, A=2937 → 3681 [TX090] Transfer $250: B=4519 → 4269, A=3681 → 3931 [TX091] Transfer $63: A=3931 → 3868, B=4269 → 4332 [TX092] Transfer $600: A=3868 → 3268, B=4332 → 4932 [TX093] Transfer $320: B=4932 → 4612, A=3268 → 3588 [TX094] Transfer $482: A=3588 → 3106, B=4612 → 5094 [TX095] Transfer $300: B=5094 → 4794, A=3106 → 3406 [TX096] Transfer $532: B=4794 → 4262, A=3406 → 3938 [TX097] Transfer $245: A=3938 → 3693, B=4262 → 4507 [TX098] Transfer $354: A=3693 → 3339, B=4507 → 4861 [TX099] Transfer $657: A=3339 → 2682, B=4861 → 5518 [TX100] Transfer $351: A=2682 → 2331, B=5518 → 5869 [TX101] Transfer $713: A=2331 → 1618, B=5869 → 6582 [TX102] Transfer $874: B=6582 → 5708, A=1618 → 2492 [TX103] Transfer $430: B=5708 → 5278, A=2492 → 2922 [TX104] Transfer $109: B=5278 → 5169, A=2922 → 3031 [TX105] Transfer $509: B=5169 → 4660, A=3031 → 3540 [TX106] Transfer $656: A=3540 → 2884, B=4660 → 5316 [TX107] Transfer $479: A=2884 → 2405, B=5316 → 5795 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX078	Mathematical calculation is incorrect	CALC_ERROR	107	{"bug_type": "CALC_ERROR", "bug_location": "TX078", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 107}
21	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $633: A=4000 → 3367, B=4200 → 4833 [TX002] Transfer $342: B=4833 → 4491, A=3367 → 3709 [TX003] Transfer $999: A=3709 → 2710, B=4491 → 5490 [TX004] Transfer $97: B=5490 → 5393, A=2710 → 2807 [TX005] Transfer $468: B=5393 → 4925, A=2807 → 3275 [TX006] Transfer $483: B=4925 → 4442, A=3275 → 3758 [TX007] Transfer $149: A=3758 → 3609, B=4442 → 4591 [TX008] Transfer $403: B=4591 → 4188, A=3609 → 4012 [TX009] Transfer $809: A=4012 → 3203, B=4188 → 4997 [TX010] Transfer $501: B=4997 → 4496, A=3203 → 3704 [TX011] Transfer $488: A=3704 → 3216, B=4496 → 4984 [TX012] Transfer $492: A=3216 → 2724, B=4984 → 5476 [TX013] Transfer $291: B=5476 → 5185, A=2724 → 3015 [TX014] Transfer $522: B=5185 → 4663, A=3015 → 3537 [TX015] Transfer $839: A=3537 → 2698, B=4663 → 5502 [TX016] Transfer $571: A=2698 → 2127, B=5502 → 6073 [TX017] Transfer $547: A=2127 → 1580, B=6073 → 6620 [TX018] Transfer $606: B=6620 → 6014, A=1580 → 2186 [TX019] Transfer $637: B=6014 → 5377, A=2186 → 2823 [TX020] Transfer $999: A=2823 → 1824, B=5377 → 6376 [TX021] Transfer $69: B=6376 → 6307, A=1824 → 1893 [TX022] Transfer $835: B=6307 → 5472, A=1893 → 2728 [TX023] Transfer $582: B=5472 → 4890, A=2728 → 3310 [TX024] Transfer $179: B=4890 → 4711, A=3310 → 3489 [TX025] Transfer $119: A=3489 → 3370, B=4711 → 4830 [TX026] Transfer $570: B=4830 → 4260, A=3370 → 3940 [TX027] Transfer $182: A=3940 → 3758, B=4260 → 4442 [TX028] Transfer $73: B=4442 → 4369, A=3758 → 3831 [TX029] Transfer $337: A=3831 → 3494, B=4369 → 4706 [TX030] Transfer $94: B=4706 → 4612, A=3494 → 3588 [TX031] Transfer $910: A=3588 → 2678, B=4612 → 5522 [TX032] Transfer $678: A=2678 → 2000, B=5522 → 6200 [TX033] Transfer $546: A=2000 → 1454, B=6200 → 6746 [TX034] Transfer $632: B=6746 → 6114, A=1454 → 2086 [TX035] Transfer $212: B=6114 → 5902, A=2086 → 2298 [TX036] Transfer $585: B=5902 → 5317, A=2298 → 2883 [TX037] Transfer $737: B=5317 → 4580, A=2883 → 3620 [TX038] Transfer $598: B=4580 → 3982, A=3620 → 4218 [TX039] Transfer $869: A=4218 → 3349, B=3982 → 4851 [TX040] Transfer $65: A=3349 → 3284, B=4851 → 4916 [TX041] Transfer $2: B=4916 → 4914, A=3284 → 3286 [TX042] Transfer $883: B=4914 → 4031, A=3286 → 4169 [TX043] Transfer $242: B=4031 → 3789, A=4169 → 4411 [TX044] Transfer $642: B=3789 → 3147, A=4411 → 5053 [TX045] Transfer $417: B=3147 → 2730, A=5053 → 5470 [TX046] Transfer $560: B=2730 → 2170, A=5470 → 6030 [TX047] Transfer $488: A=6030 → 5542, B=2170 → 2658 [TX048] Transfer $570: A=5542 → 4972, B=2658 → 3228 [TX049] Transfer $862: B=3228 → 2366, A=4972 → 5834 [TX050] Transfer $297: B=2366 → 2069, A=5834 → 6131 [TX051] Transfer $13: A=6131 → 6118, B=2069 → 2082 [TX052] Transfer $149: A=6118 → 5969, B=2082 → 2229 [TX053] Transfer $88: B=2231 → 2143, A=5969 → 6057 [TX054] Transfer $882: A=6057 → 5175, B=2143 → 3025 [TX055] Transfer $640: B=3025 → 2385, A=5175 → 5815 [TX056] Transfer $523: A=5815 → 5292, B=2385 → 2908 [TX057] Transfer $395: B=2908 → 2513, A=5292 → 5687 [TX058] Transfer $192: B=2513 → 2321, A=5687 → 5879 [TX059] Transfer $593: B=2321 → 1728, A=5879 → 6472 [TX060] Transfer $731: B=1728 → 997, A=6472 → 7203 [TX061] Transfer $561: B=997 → 436, A=7203 → 7764 [TX062] Transfer $21: B=436 → 415, A=7764 → 7785 [TX063] Transfer $59: B=415 → 356, A=7785 → 7844 [TX064] Transfer $38: B=356 → 318, A=7844 → 7882 [TX065] Transfer $134: B=318 → 184, A=7882 → 8016 [TX066] Transfer $253: A=8016 → 7763, B=184 → 437 [TX067] Transfer $326: B=437 → 111, A=7763 → 8089 [TX068] Transfer $7: B=111 → 104, A=8089 → 8096 [TX069] Transfer $466: A=8096 → 7630, B=104 → 570 [TX070] Transfer $217: B=570 → 353, A=7630 → 7847 [TX071] Transfer $76: B=353 → 277, A=7847 → 7923 [TX072] Transfer $713: A=7923 → 7210, B=277 → 990 [TX073] Transfer $64: B=990 → 926, A=7210 → 7274 [TX074] Transfer $588: B=926 → 338, A=7274 → 7862 [TX075] Transfer $830: A=7862 → 7032, B=338 → 1168 [TX076] Transfer $498: A=7032 → 6534, B=1168 → 1666 [TX077] Transfer $519: A=6534 → 6015, B=1666 → 2185 [TX078] Transfer $260: A=6015 → 5755, B=2185 → 2445 [TX079] Transfer $283: A=5755 → 5472, B=2445 → 2728 [TX080] Transfer $761: B=2728 → 1967, A=5472 → 6233 [TX081] Transfer $933: A=6233 → 5300, B=1967 → 2900 [TX082] Transfer $380: A=5300 → 4920, B=2900 → 3280 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX052	Mathematical calculation is incorrect	CALC_ERROR	82	{"bug_type": "CALC_ERROR", "bug_location": "TX052", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 82}
32	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $717: B=4200 → 3483, A=4000 → 4717 [TX002] Transfer $717: A=4717 → 4000, B=3483 → 4200 [TX003] Transfer $908: A=4000 → 3092, B=4200 → 5108 [TX004] Transfer $905: A=3092 → 2187, B=5108 → 6013 [TX005] Transfer $716: B=6013 → 5297, A=2187 → 2903 [TX006] Transfer $423: A=2903 → 2480, B=5297 → 5720 [TX007] Transfer $80: A=2480 → 2400, B=5720 → 5800 [TX008] Transfer $421: A=2400 → 1979, B=5800 → 6221 [TX009] Transfer $260: B=6221 → 5961, A=1979 → 2239 [TX010] Transfer $475: A=2239 → 1764, B=5961 → 6436 [TX011] Transfer $656: A=1764 → 1108, B=6436 → 7092 [TX012] Transfer $353: B=7092 → 6739, A=1108 → 1461 [TX013] Transfer $408: B=6739 → 6331, A=1461 → 1869 [TX014] Transfer $258: A=1869 → 1611, B=6331 → 6589 [TX015] Transfer $336: A=1611 → 1275, B=6589 → 6925 [TX016] Transfer $474: B=6925 → 6451, A=1275 → 1749 [TX017] Transfer $563: A=1749 → 1186, B=6451 → 7014 [TX018] Transfer $145: A=1186 → 1041, B=7014 → 7159 [TX019] Transfer $863: B=7159 → 6296, A=1041 → 1904 [TX020] Transfer $860: A=1904 → 1044, B=6296 → 7156 [TX021] Transfer $183: A=1044 → 861, B=7156 → 7339 [TX022] Transfer $549: B=7339 → 6790, A=861 → 1410 [TX023] Transfer $81: B=6790 → 6709, A=1410 → 1491 [TX024] Transfer $159: A=1491 → 1332, B=6709 → 6868 [TX025] Transfer $184: B=6868 → 6684, A=1332 → 1516 [TX026] Transfer $916: A=1516 → 600, B=6684 → 7600 [TX027] Transfer $358: A=600 → 242, B=7600 → 7958 [TX028] Payment PAY1008: Transfer $51: A=242 → 191, B=7958 → 8009 [TX029] Transfer $55: B=8009 → 7954, A=191 → 246 [TX030] Transfer $98: A=246 → 148, B=7954 → 8052 [TX031] Transfer $25: A=148 → 123, B=8052 → 8077 [TX032] Transfer $4: A=123 → 119, B=8077 → 8081 [TX033] Transfer $2: A=119 → 117, B=8081 → 8083 [TX034] Transfer $8: A=117 → 109, B=8083 → 8091 [TX035] Transfer $3: A=109 → 106, B=8091 → 8094 [TX036] Transfer $2: A=106 → 104, B=8094 → 8096 [TX037] Transfer $837: B=8096 → 7259, A=104 → 941 [TX038] Transfer $577: B=7259 → 6682, A=941 → 1518 [TX039] Transfer $958: A=1518 → 560, B=6682 → 7640 [TX040] Transfer $125: B=7640 → 7515, A=560 → 685 [TX041] Transfer $110: A=685 → 575, B=7515 → 7625 [TX042] Transfer $179: B=7625 → 7446, A=575 → 754 [TX043] Transfer $325: A=754 → 429, B=7446 → 7771 [TX044] Transfer $110: A=429 → 319, B=7771 → 7881 [TX045] Transfer $69: B=7881 → 7812, A=319 → 388 [TX046] Transfer $46: B=7812 → 7766, A=388 → 434 [TX047] Transfer $212: A=434 → 222, B=7766 → 7978 [TX048] Transfer $106: B=7978 → 7872, A=222 → 328 [TX049] Transfer $26: A=328 → 302, B=7872 → 7898 [TX050] Transfer $696: B=7898 → 7202, A=302 → 998 [TX051] Transfer $181: A=998 → 817, B=7202 → 7383 [TX052] Transfer $71: B=7383 → 7312, A=817 → 888 [TX053] Transfer $625: B=7312 → 6687, A=888 → 1513 [TX054] Transfer $525: B=6687 → 6162, A=1513 → 2038 [TX055] Transfer $240: A=2038 → 1798, B=6162 → 6402 [TX056] Transfer $318: A=1798 → 1480, B=6402 → 6720 [TX057] Transfer $777: A=1480 → 703, B=6720 → 7497 [TX058] Payment PAY1008: Transfer $51: A=703 → 652, B=7497 → 7548 [TX059] Transfer $63: A=652 → 589, B=7548 → 7611 [TX060] Transfer $257: A=589 → 332, B=7611 → 7868 [TX061] Transfer $157: B=7868 → 7711, A=332 → 489 [TX062] Transfer $659: B=7711 → 7052, A=489 → 1148 [TX063] Transfer $947: A=1148 → 201, B=7052 → 7999 [TX064] Transfer $139: B=7999 → 7860, A=201 → 340 [TX065] Transfer $661: B=7860 → 7199, A=340 → 1001 [TX066] Transfer $665: A=1001 → 336, B=7199 → 7864 [TX067] Transfer $236: B=7864 → 7628, A=336 → 572 [TX068] Transfer $250: B=7628 → 7378, A=572 → 822 [TX069] Transfer $682: A=822 → 140, B=7378 → 8060 [TX070] Transfer $40: A=140 → 100, B=8060 → 8100 [TX071] Transfer $189: B=8100 → 7911, A=100 → 289 [TX072] Transfer $68: B=7911 → 7843, A=289 → 357 [TX073] Transfer $978: B=7843 → 6865, A=357 → 1335 [TX074] Transfer $651: A=1335 → 684, B=6865 → 7516 [TX075] Transfer $130: A=684 → 554, B=7516 → 7646 [TX076] Transfer $305: A=554 → 249, B=7646 → 7951 [TX077] Transfer $131: A=249 → 118, B=7951 → 8082 [TX078] Transfer $16: A=118 → 102, B=8082 → 8098 [TX079] Transfer $740: B=8098 → 7358, A=102 → 842 [TX080] Transfer $436: A=842 → 406, B=7358 → 7794 [TX081] Transfer $157: A=406 → 249, B=7794 → 7951 [TX082] Transfer $992: B=7951 → 6959, A=249 → 1241 [TX083] Transfer $885: A=1241 → 356, B=6959 → 7844 [TX084] Transfer $975: B=7844 → 6869, A=356 → 1331 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX058	Payment PAY1008 processed twice	DUPLICATE_TXN	84	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX058", "explanation": "Payment PAY1008 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 84}
96	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $130: A=4000 → 3870, B=4200 → 4330 [TX002] Transfer $785: A=3870 → 3085, B=4330 → 5115 [TX003] Transfer $974: A=3085 → 2111, B=5115 → 6089 [TX004] Transfer $482: B=6089 → 5607, A=2111 → 2593 [TX005] Transfer $125: B=5607 → 5482, A=2593 → 2718 [TX006] Transfer $328: B=5482 → 5154, A=2718 → 3046 [TX007] Transfer $670: A=3046 → 2376, B=5154 → 5824 [TX008] Transfer $3: B=5824 → 5821, A=2376 → 2379 [TX009] Transfer $455: A=2379 → 1924, B=5821 → 6276 [TX010] Transfer $76: A=1924 → 1848, B=6276 → 6352 [TX011] Transfer $735: A=1848 → 1113, B=6352 → 7087 [TX012] Transfer $200: B=7087 → 6887, A=1113 → 1313 [TX013] Transfer $502: B=6887 → 6385, A=1313 → 1815 [TX014] Transfer $359: A=1815 → 1456, B=6385 → 6744 [TX015] Transfer $482: B=6744 → 6262, A=1456 → 1938 [TX016] Transfer $959: A=1938 → 979, B=6262 → 7221 [TX017] Transfer $112: A=979 → 867, B=7221 → 7333 [TX018] Transfer $728: B=7333 → 6605, A=867 → 1595 [TX019] Transfer $792: B=6605 → 5813, A=1595 → 2387 [TX020] Transfer $790: B=5813 → 5023, A=2387 → 3177 [TX021] Transfer $305: B=5023 → 4718, A=3177 → 3482 [TX022] Transfer $538: A=3482 → 2944, B=4718 → 5256 [TX023] Transfer $296: A=2944 → 2648, B=5256 → 5552 [TX024] Transfer $19: B=5552 → 5533, A=2648 → 2667 [TX025] Transfer $167: B=5533 → 5366, A=2667 → 2834 [TX026] Transfer $5379: B=5366 → -13, A=2834 → 8213 [TX027] Balance check: B=-13 [TX028] Balance check: B=-13 [TX029] Transfer $859: A=8213 → 7354, B=-13 → 846 [TX030] Transfer $780: A=7354 → 6574, B=846 → 1626 [TX031] Transfer $640: B=1626 → 986, A=6574 → 7214 [TX032] Transfer $23: A=7214 → 7191, B=986 → 1009 [TX033] Transfer $491: B=1009 → 518, A=7191 → 7682 [TX034] Transfer $53: A=7682 → 7629, B=518 → 571 [TX035] Transfer $506: A=7629 → 7123, B=571 → 1077 [TX036] Transfer $931: A=7123 → 6192, B=1077 → 2008 [TX037] Transfer $765: B=2008 → 1243, A=6192 → 6957 [TX038] Transfer $72: A=6957 → 6885, B=1243 → 1315 [TX039] Transfer $431: B=1315 → 884, A=6885 → 7316 [TX040] Transfer $518: A=7316 → 6798, B=884 → 1402 [TX041] Transfer $412: A=6798 → 6386, B=1402 → 1814 [TX042] Transfer $687: B=1814 → 1127, A=6386 → 7073 [TX043] Transfer $933: B=1127 → 194, A=7073 → 8006 [TX044] Transfer $73: B=194 → 121, A=8006 → 8079 [TX045] Transfer $328: A=8079 → 7751, B=121 → 449 [TX046] Transfer $185: B=449 → 264, A=7751 → 7936 [TX047] Transfer $155: B=264 → 109, A=7936 → 8091 [TX048] Transfer $292: A=8091 → 7799, B=109 → 401 [TX049] Transfer $293: B=401 → 108, A=7799 → 8092 [TX050] Transfer $395: A=8092 → 7697, B=108 → 503 [TX051] Transfer $650: A=7697 → 7047, B=503 → 1153 [TX052] Transfer $697: B=1153 → 456, A=7047 → 7744 [TX053] Transfer $25: A=7744 → 7719, B=456 → 481 [TX054] Transfer $967: A=7719 → 6752, B=481 → 1448 [TX055] Transfer $838: B=1448 → 610, A=6752 → 7590 [TX056] Transfer $188: B=610 → 422, A=7590 → 7778 [TX057] Transfer $319: A=7778 → 7459, B=422 → 741 [TX058] Transfer $272: B=741 → 469, A=7459 → 7731 [TX059] Transfer $687: A=7731 → 7044, B=469 → 1156 [TX060] Transfer $4: A=7044 → 7040, B=1156 → 1160 [TX061] Transfer $707: A=7040 → 6333, B=1160 → 1867 [TX062] Transfer $561: A=6333 → 5772, B=1867 → 2428 [TX063] Transfer $90: B=2428 → 2338, A=5772 → 5862 [TX064] Transfer $810: B=2338 → 1528, A=5862 → 6672 [TX065] Transfer $90: A=6672 → 6582, B=1528 → 1618 [TX066] Transfer $288: A=6582 → 6294, B=1618 → 1906 [TX067] Transfer $509: A=6294 → 5785, B=1906 → 2415 [TX068] Transfer $979: A=5785 → 4806, B=2415 → 3394 [TX069] Transfer $902: A=4806 → 3904, B=3394 → 4296 [TX070] Transfer $329: A=3904 → 3575, B=4296 → 4625 [TX071] Transfer $392: B=4625 → 4233, A=3575 → 3967 [TX072] Transfer $93: A=3967 → 3874, B=4233 → 4326 [TX073] Transfer $741: A=3874 → 3133, B=4326 → 5067 [TX074] Transfer $540: A=3133 → 2593, B=5067 → 5607 [TX075] Transfer $568: A=2593 → 2025, B=5607 → 6175 [TX076] Transfer $746: B=6175 → 5429, A=2025 → 2771 [TX077] Transfer $876: A=2771 → 1895, B=5429 → 6305 [TX078] Transfer $541: A=1895 → 1354, B=6305 → 6846 [TX079] Transfer $717: A=1354 → 637, B=6846 → 7563 [TX080] Transfer $345: B=7563 → 7218, A=637 → 982 [TX081] Transfer $638: A=982 → 344, B=7218 → 7856 [TX082] Transfer $238: A=344 → 106, B=7856 → 8094 [TX083] Transfer $650: B=8094 → 7444, A=106 → 756 [TX084] Transfer $436: B=7444 → 7008, A=756 → 1192 [TX085] Transfer $790: A=1192 → 402, B=7008 → 7798 [TX086] Transfer $176: B=7798 → 7622, A=402 → 578 [TX087] Transfer $73: A=578 → 505, B=7622 → 7695 [TX088] Transfer $268: A=505 → 237, B=7695 → 7963 [TX089] Transfer $79: A=237 → 158, B=7963 → 8042 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX026	Account balance goes negative	NEGATIVE_BAL	89	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX026", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 89}
80	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $347: B=4200 → 3853, A=4000 → 4347 [TX002] Transfer $743: B=3853 → 3110, A=4347 → 5090 [TX003] Transfer $602: A=5090 → 4488, B=3110 → 3712 [TX004] Transfer $416: B=3712 → 3296, A=4488 → 4904 [TX005] Transfer $888: B=3296 → 2408, A=4904 → 5792 [TX006] Transfer $869: A=5792 → 4923, B=2408 → 3277 [TX007] Transfer $46: A=4923 → 4877, B=3277 → 3323 [TX008] Transfer $166: A=4877 → 4711, B=3323 → 3489 [TX009] Transfer $202: B=3489 → 3287, A=4711 → 4913 [TX010] Transfer $823: B=3287 → 2464, A=4913 → 5736 [TX011] Transfer $885: A=5736 → 4851, B=2464 → 3349 [TX012] Transfer $727: A=4851 → 4124, B=3349 → 4076 [TX013] Transfer $320: B=4076 → 3756, A=4124 → 4444 [TX014] Transfer $845: B=3756 → 2911, A=4444 → 5289 [TX015] Transfer $147: A=5289 → 5142, B=2911 → 3058 [TX016] Transfer $56: A=5142 → 5086, B=3058 → 3114 [TX017] Transfer $169: A=5086 → 4917, B=3114 → 3283 [TX018] Transfer $109: A=4917 → 4808, B=3283 → 3392 [TX019] Transfer $84: B=3392 → 3308, A=4808 → 4892 [TX020] Transfer $35: A=4892 → 4857, B=3308 → 3343 [TX021] Transfer $306: A=4857 → 4551, B=3343 → 3649 [TX022] Transfer $248: B=3649 → 3401, A=4551 → 4799 [TX023] Transfer $767: A=4799 → 4032, B=3401 → 4168 [TX024] Transfer $782: A=4032 → 3250, B=4168 → 4950 [TX025] Transfer $801: B=4950 → 4149, A=3250 → 4051 [TX026] Transfer $907: A=4051 → 3144, B=4149 → 5056 [TX027] Transfer $702: A=3144 → 2442, B=5056 → 5758 [TX028] Payment PAY1023: Transfer $102: A=2442 → 2340, B=5758 → 5860 [TX029] Transfer $843: B=5860 → 5017, A=2340 → 3183 [TX030] Transfer $945: B=5017 → 4072, A=3183 → 4128 [TX031] Transfer $80: A=4128 → 4048, B=4072 → 4152 [TX032] Transfer $350: A=4048 → 3698, B=4152 → 4502 [TX033] Transfer $544: A=3698 → 3154, B=4502 → 5046 [TX034] Transfer $25: A=3154 → 3129, B=5046 → 5071 [TX035] Transfer $573: B=5071 → 4498, A=3129 → 3702 [TX036] Transfer $484: B=4498 → 4014, A=3702 → 4186 [TX037] Transfer $615: A=4186 → 3571, B=4014 → 4629 [TX038] Transfer $481: A=3571 → 3090, B=4629 → 5110 [TX039] Transfer $110: A=3090 → 2980, B=5110 → 5220 [TX040] Transfer $567: B=5220 → 4653, A=2980 → 3547 [TX041] Transfer $856: A=3547 → 2691, B=4653 → 5509 [TX042] Transfer $917: A=2691 → 1774, B=5509 → 6426 [TX043] Payment PAY1023: Transfer $102: A=1774 → 1672, B=6426 → 6528 [TX044] Transfer $259: A=1672 → 1413, B=6528 → 6787 [TX045] Transfer $795: B=6787 → 5992, A=1413 → 2208 [TX046] Transfer $498: A=2208 → 1710, B=5992 → 6490 [TX047] Transfer $43: B=6490 → 6447, A=1710 → 1753 [TX048] Transfer $575: B=6447 → 5872, A=1753 → 2328 [TX049] Transfer $188: A=2328 → 2140, B=5872 → 6060 [TX050] Transfer $691: B=6060 → 5369, A=2140 → 2831 [TX051] Transfer $478: B=5369 → 4891, A=2831 → 3309 [TX052] Transfer $175: A=3309 → 3134, B=4891 → 5066 [TX053] Transfer $200: B=5066 → 4866, A=3134 → 3334 [TX054] Transfer $899: A=3334 → 2435, B=4866 → 5765 [TX055] Transfer $168: B=5765 → 5597, A=2435 → 2603 [TX056] Transfer $601: A=2603 → 2002, B=5597 → 6198 [TX057] Transfer $618: A=2002 → 1384, B=6198 → 6816 [TX058] Transfer $869: B=6816 → 5947, A=1384 → 2253 [TX059] Transfer $409: B=5947 → 5538, A=2253 → 2662 [TX060] Transfer $400: B=5538 → 5138, A=2662 → 3062 [TX061] Transfer $69: B=5138 → 5069, A=3062 → 3131 [TX062] Transfer $253: B=5069 → 4816, A=3131 → 3384 [TX063] Transfer $93: B=4816 → 4723, A=3384 → 3477 [TX064] Transfer $755: B=4723 → 3968, A=3477 → 4232 [TX065] Transfer $918: A=4232 → 3314, B=3968 → 4886 [TX066] Transfer $399: B=4886 → 4487, A=3314 → 3713 [TX067] Transfer $493: A=3713 → 3220, B=4487 → 4980 [TX068] Transfer $204: A=3220 → 3016, B=4980 → 5184 [TX069] Transfer $965: B=5184 → 4219, A=3016 → 3981 [TX070] Transfer $290: B=4219 → 3929, A=3981 → 4271 [TX071] Transfer $636: A=4271 → 3635, B=3929 → 4565 [TX072] Transfer $297: A=3635 → 3338, B=4565 → 4862 [TX073] Transfer $227: B=4862 → 4635, A=3338 → 3565 [TX074] Transfer $310: A=3565 → 3255, B=4635 → 4945 [TX075] Transfer $617: A=3255 → 2638, B=4945 → 5562 [TX076] Transfer $325: A=2638 → 2313, B=5562 → 5887 [TX077] Transfer $152: A=2313 → 2161, B=5887 → 6039 [TX078] Transfer $935: A=2161 → 1226, B=6039 → 6974 [TX079] Transfer $489: A=1226 → 737, B=6974 → 7463 [TX080] Transfer $717: B=7463 → 6746, A=737 → 1454 [TX081] Transfer $732: B=6746 → 6014, A=1454 → 2186 [TX082] Transfer $685: A=2186 → 1501, B=6014 → 6699 [TX083] Transfer $319: B=6699 → 6380, A=1501 → 1820 [TX084] Transfer $5: A=1820 → 1815, B=6380 → 6385 [TX085] Transfer $841: B=6385 → 5544, A=1815 → 2656 [TX086] Transfer $935: A=2656 → 1721, B=5544 → 6479 [TX087] Transfer $267: B=6479 → 6212, A=1721 → 1988 [TX088] Transfer $519: A=1988 → 1469, B=6212 → 6731 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX043	Payment PAY1023 processed twice	DUPLICATE_TXN	88	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX043", "explanation": "Payment PAY1023 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 88}
49	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $555: A=4000 → 3445, B=4200 → 4755 [TX002] Transfer $287: B=4755 → 4468, A=3445 → 3732 [TX003] Transfer $305: A=3732 → 3427, B=4468 → 4773 [TX004] Transfer $917: B=4773 → 3856, A=3427 → 4344 [TX005] Transfer $331: B=3856 → 3525, A=4344 → 4675 [TX006] Transfer $2: A=4675 → 4673, B=3525 → 3527 [TX007] Transfer $727: A=4673 → 3946, B=3527 → 4254 [TX008] Transfer $947: B=4254 → 3307, A=3946 → 4893 [TX009] Transfer $775: A=4893 → 4118, B=3307 → 4082 [TX010] Transfer $149: B=4082 → 3933, A=4118 → 4267 [TX011] Transfer $784: B=3933 → 3149, A=4267 → 5051 [TX012] Transfer $807: A=5051 → 4244, B=3149 → 3956 [TX013] Transfer $402: A=4244 → 3842, B=3956 → 4358 [TX014] Transfer $856: A=3842 → 2986, B=4358 → 5214 [TX015] Transfer $233: B=5214 → 4981, A=2986 → 3219 [TX016] Transfer $916: B=4981 → 4065, A=3219 → 4135 [TX017] Transfer $745: B=4065 → 3320, A=4135 → 4880 [TX018] Transfer $456: A=4880 → 4424, B=3320 → 3776 [TX019] Transfer $780: A=4424 → 3644, B=3776 → 4556 [TX020] Transfer $654: B=4556 → 3902, A=3644 → 4298 [TX021] Transfer $538: A=4298 → 3760, B=3902 → 4440 [TX022] Transfer $239: A=3760 → 3521, B=4440 → 4679 [TX023] Transfer $843: B=4679 → 3836, A=3521 → 4365 [TX024] Transfer $74: B=3836 → 3762, A=4364 → 4438 [TX025] Transfer $974: B=3762 → 2788, A=4438 → 5412 [TX026] Transfer $860: A=5412 → 4552, B=2788 → 3648 [TX027] Transfer $643: B=3648 → 3005, A=4552 → 5195 [TX028] Transfer $601: B=3005 → 2404, A=5195 → 5796 [TX029] Transfer $778: A=5796 → 5018, B=2404 → 3182 [TX030] Transfer $537: B=3182 → 2645, A=5018 → 5555 [TX031] Transfer $751: A=5555 → 4804, B=2645 → 3396 [TX032] Transfer $892: B=3396 → 2504, A=4804 → 5696 [TX033] Transfer $433: B=2504 → 2071, A=5696 → 6129 [TX034] Transfer $887: A=6129 → 5242, B=2071 → 2958 [TX035] Transfer $928: B=2958 → 2030, A=5242 → 6170 [TX036] Transfer $431: B=2030 → 1599, A=6170 → 6601 [TX037] Transfer $87: B=1599 → 1512, A=6601 → 6688 [TX038] Transfer $732: A=6688 → 5956, B=1512 → 2244 [TX039] Transfer $601: B=2244 → 1643, A=5956 → 6557 [TX040] Transfer $607: B=1643 → 1036, A=6557 → 7164 [TX041] Transfer $108: B=1036 → 928, A=7164 → 7272 [TX042] Transfer $623: B=928 → 305, A=7272 → 7895 [TX043] Transfer $156: B=305 → 149, A=7895 → 8051 [TX044] Transfer $591: A=8051 → 7460, B=149 → 740 [TX045] Transfer $991: A=7460 → 6469, B=740 → 1731 [TX046] Transfer $596: A=6469 → 5873, B=1731 → 2327 [TX047] Transfer $737: B=2327 → 1590, A=5873 → 6610 [TX048] Transfer $664: A=6610 → 5946, B=1590 → 2254 [TX049] Transfer $589: B=2254 → 1665, A=5946 → 6535 [TX050] Transfer $834: A=6535 → 5701, B=1665 → 2499 [TX051] Transfer $223: B=2499 → 2276, A=5701 → 5924 [TX052] Transfer $647: A=5924 → 5277, B=2276 → 2923 [TX053] Transfer $301: B=2923 → 2622, A=5277 → 5578 [TX054] Transfer $748: B=2622 → 1874, A=5578 → 6326 [TX055] Transfer $369: B=1874 → 1505, A=6326 → 6695 [TX056] Transfer $998: B=1505 → 507, A=6695 → 7693 [TX057] Transfer $458: A=7693 → 7235, B=507 → 965 [TX058] Transfer $471: A=7235 → 6764, B=965 → 1436 [TX059] Transfer $216: B=1436 → 1220, A=6764 → 6980 [TX060] Transfer $773: B=1220 → 447, A=6980 → 7753 [TX061] Transfer $257: B=447 → 190, A=7753 → 8010 [TX062] Transfer $362: A=8010 → 7648, B=190 → 552 [TX063] Transfer $850: A=7648 → 6798, B=552 → 1402 [TX064] Transfer $938: B=1402 → 464, A=6798 → 7736 [TX065] Transfer $322: A=7736 → 7414, B=464 → 786 [TX066] Transfer $393: B=786 → 393, A=7414 → 7807 [TX067] Transfer $878: A=7807 → 6929, B=393 → 1271 [TX068] Transfer $347: B=1271 → 924, A=6929 → 7276 [TX069] Transfer $774: B=924 → 150, A=7276 → 8050 [TX070] Transfer $332: A=8050 → 7718, B=150 → 482 [TX071] Transfer $196: A=7718 → 7522, B=482 → 678 [TX072] Transfer $575: B=678 → 103, A=7522 → 8097 [TX073] Transfer $635: A=8097 → 7462, B=103 → 738 [TX074] Transfer $97: A=7462 → 7365, B=738 → 835 [TX075] Transfer $874: A=7365 → 6491, B=835 → 1709 [TX076] Transfer $735: B=1709 → 974, A=6491 → 7226 [TX077] Transfer $408: B=974 → 566, A=7226 → 7634 [TX078] Transfer $108: A=7634 → 7526, B=566 → 674 [TX079] Transfer $333: B=674 → 341, A=7526 → 7859 [TX080] Transfer $847: A=7859 → 7012, B=341 → 1188 [TX081] Transfer $563: A=7012 → 6449, B=1188 → 1751 [TX082] Transfer $28: A=6449 → 6421, B=1751 → 1779 [TX083] Transfer $855: B=1779 → 924, A=6421 → 7276 [TX084] Transfer $898: A=7276 → 6378, B=924 → 1822 [TX085] Transfer $665: A=6378 → 5713, B=1822 → 2487 [TX086] Transfer $14: A=5713 → 5699, B=2487 → 2501 [TX087] Transfer $989: B=2501 → 1512, A=5699 → 6688 [TX088] Transfer $860: A=6688 → 5828, B=1512 → 2372 [TX089] Transfer $571: B=2372 → 1801, A=5828 → 6399 [TX090] Transfer $192: A=6399 → 6207, B=1801 → 1993 [TX091] Transfer $766: B=1993 → 1227, A=6207 → 6973 [TX092] Transfer $824: B=1227 → 403, A=6973 → 7797 [TX093] Transfer $191: B=403 → 212, A=7797 → 7988 [TX094] Transfer $42: B=212 → 170, A=7988 → 8030 [TX095] Transfer $19: B=170 → 151, A=8030 → 8049 [TX096] Transfer $36: B=151 → 115, A=8049 → 8085 [TX097] Transfer $941: A=8085 → 7144, B=115 → 1056 [TX098] Transfer $109: B=1056 → 947, A=7144 → 7253 [TX099] Transfer $736: A=7253 → 6517, B=947 → 1683 [TX100] Transfer $277: A=6517 → 6240, B=1683 → 1960 [TX101] Transfer $635: A=6240 → 5605, B=1960 → 2595 [TX102] Transfer $607: B=2595 → 1988, A=5605 → 6212 [TX103] Transfer $978: B=1988 → 1010, A=6212 → 7190 [TX104] Transfer $575: A=7190 → 6615, B=1010 → 1585 [TX105] Transfer $919: B=1585 → 666, A=6615 → 7534 [TX106] Transfer $153: B=666 → 513, A=7534 → 7687 [TX107] Transfer $68: A=7687 → 7619, B=513 → 581 [TX108] Transfer $461: B=581 → 120, A=7619 → 8080 [TX109] Transfer $443: A=8080 → 7637, B=120 → 563 [TX110] Transfer $222: A=7637 → 7415, B=563 → 785 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX023	Mathematical calculation is incorrect	CALC_ERROR	110	{"bug_type": "CALC_ERROR", "bug_location": "TX023", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 110}
83	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $873: A=4000 → 3127, B=4200 → 5073 [TX002] Transfer $253: A=3127 → 2874, B=5073 → 5326 [TX003] Transfer $296: B=5326 → 5030, A=2874 → 3170 [TX004] Transfer $808: A=3170 → 2362, B=5030 → 5838 [TX005] Transfer $405: A=2362 → 1957, B=5838 → 6243 [TX006] Transfer $42: A=1957 → 1915, B=6243 → 6285 [TX007] Transfer $410: A=1915 → 1505, B=6285 → 6695 [TX008] Transfer $942: A=1505 → 563, B=6695 → 7637 [TX009] Transfer $987: B=7637 → 6650, A=563 → 1550 [TX010] Transfer $200: B=6650 → 6450, A=1550 → 1750 [TX011] Transfer $490: A=1750 → 1260, B=6450 → 6940 [TX012] Transfer $21: B=6940 → 6919, A=1260 → 1281 [TX013] Transfer $53: A=1281 → 1228, B=6919 → 6972 [TX014] Transfer $253: A=1228 → 975, B=6972 → 7225 [TX015] Transfer $553: B=7225 → 6672, A=975 → 1528 [TX016] Transfer $166: A=1528 → 1362, B=6672 → 6838 [TX017] Transfer $97: B=6838 → 6741, A=1362 → 1459 [TX018] Transfer $393: A=1459 → 1066, B=6741 → 7134 [TX019] Transfer $431: A=1066 → 635, B=7134 → 7565 [TX020] Transfer $474: A=635 → 161, B=7565 → 8039 [TX021] Transfer $330: B=8039 → 7709, A=161 → 491 [TX022] Transfer $411: B=7709 → 7298, A=491 → 902 [TX023] Transfer $58: A=902 → 844, B=7298 → 7356 [TX024] Transfer $893: B=7356 → 6463, A=844 → 1737 [TX025] Transfer $1747: A=1737 → -10, B=6463 → 8210 [TX026] Balance check: A=-10 [TX027] Balance check: A=-10 [TX028] Transfer $476: B=8210 → 7734, A=-10 → 466 [TX029] Transfer $140: A=466 → 326, B=7734 → 7874 [TX030] Transfer $457: B=7874 → 7417, A=326 → 783 [TX031] Transfer $879: B=7417 → 6538, A=783 → 1662 [TX032] Transfer $212: A=1662 → 1450, B=6538 → 6750 [TX033] Transfer $119: A=1450 → 1331, B=6750 → 6869 [TX034] Transfer $291: A=1331 → 1040, B=6869 → 7160 [TX035] Transfer $308: A=1040 → 732, B=7160 → 7468 [TX036] Transfer $103: A=732 → 629, B=7468 → 7571 [TX037] Transfer $284: B=7571 → 7287, A=629 → 913 [TX038] Transfer $939: B=7287 → 6348, A=913 → 1852 [TX039] Transfer $184: A=1852 → 1668, B=6348 → 6532 [TX040] Transfer $676: B=6532 → 5856, A=1668 → 2344 [TX041] Transfer $490: B=5856 → 5366, A=2344 → 2834 [TX042] Transfer $434: B=5366 → 4932, A=2834 → 3268 [TX043] Transfer $620: A=3268 → 2648, B=4932 → 5552 [TX044] Transfer $640: B=5552 → 4912, A=2648 → 3288 [TX045] Transfer $903: A=3288 → 2385, B=4912 → 5815 [TX046] Transfer $486: B=5815 → 5329, A=2385 → 2871 [TX047] Transfer $104: B=5329 → 5225, A=2871 → 2975 [TX048] Transfer $90: B=5225 → 5135, A=2975 → 3065 [TX049] Transfer $178: B=5135 → 4957, A=3065 → 3243 [TX050] Transfer $44: B=4957 → 4913, A=3243 → 3287 [TX051] Transfer $575: A=3287 → 2712, B=4913 → 5488 [TX052] Transfer $317: A=2712 → 2395, B=5488 → 5805 [TX053] Transfer $81: B=5805 → 5724, A=2395 → 2476 [TX054] Transfer $226: B=5724 → 5498, A=2476 → 2702 [TX055] Transfer $440: B=5498 → 5058, A=2702 → 3142 [TX056] Transfer $515: B=5058 → 4543, A=3142 → 3657 [TX057] Transfer $461: B=4543 → 4082, A=3657 → 4118 [TX058] Transfer $369: A=4118 → 3749, B=4082 → 4451 [TX059] Transfer $765: B=4451 → 3686, A=3749 → 4514 [TX060] Transfer $864: A=4514 → 3650, B=3686 → 4550 [TX061] Transfer $574: A=3650 → 3076, B=4550 → 5124 [TX062] Transfer $706: A=3076 → 2370, B=5124 → 5830 [TX063] Transfer $204: B=5830 → 5626, A=2370 → 2574 [TX064] Transfer $66: B=5626 → 5560, A=2574 → 2640 [TX065] Transfer $611: A=2640 → 2029, B=5560 → 6171 [TX066] Transfer $514: B=6171 → 5657, A=2029 → 2543 [TX067] Transfer $495: B=5657 → 5162, A=2543 → 3038 [TX068] Transfer $95: B=5162 → 5067, A=3038 → 3133 [TX069] Transfer $242: B=5067 → 4825, A=3133 → 3375 [TX070] Transfer $857: B=4825 → 3968, A=3375 → 4232 [TX071] Transfer $490: A=4232 → 3742, B=3968 → 4458 [TX072] Transfer $690: A=3742 → 3052, B=4458 → 5148 [TX073] Transfer $314: B=5148 → 4834, A=3052 → 3366 [TX074] Transfer $756: B=4834 → 4078, A=3366 → 4122 [TX075] Transfer $229: A=4122 → 3893, B=4078 → 4307 [TX076] Transfer $284: B=4307 → 4023, A=3893 → 4177 [TX077] Transfer $54: A=4177 → 4123, B=4023 → 4077 [TX078] Transfer $86: B=4077 → 3991, A=4123 → 4209 [TX079] Transfer $901: B=3991 → 3090, A=4209 → 5110 [TX080] Transfer $919: B=3090 → 2171, A=5110 → 6029 [TX081] Transfer $136: B=2171 → 2035, A=6029 → 6165 [TX082] Transfer $415: B=2035 → 1620, A=6165 → 6580 [TX083] Transfer $676: A=6580 → 5904, B=1620 → 2296 [TX084] Transfer $533: B=2296 → 1763, A=5904 → 6437 [TX085] Transfer $962: B=1763 → 801, A=6437 → 7399 [TX086] Transfer $465: A=7399 → 6934, B=801 → 1266 [TX087] Transfer $592: B=1266 → 674, A=6934 → 7526 [TX088] Transfer $797: A=7526 → 6729, B=674 → 1471 [TX089] Transfer $43: B=1471 → 1428, A=6729 → 6772 [TX090] Transfer $22: B=1428 → 1406, A=6772 → 6794 [TX091] Transfer $374: B=1406 → 1032, A=6794 → 7168 [TX092] Transfer $36: B=1032 → 996, A=7168 → 7204 [TX093] Transfer $235: B=996 → 761, A=7204 → 7439 [TX094] Transfer $275: A=7439 → 7164, B=761 → 1036 [TX095] Transfer $218: B=1036 → 818, A=7164 → 7382 [TX096] Transfer $496: A=7382 → 6886, B=818 → 1314 [TX097] Transfer $24: B=1314 → 1290, A=6886 → 6910 [TX098] Transfer $719: B=1290 → 571, A=6910 → 7629 [TX099] Transfer $189: A=7629 → 7440, B=571 → 760 [TX100] Transfer $422: A=7440 → 7018, B=760 → 1182 [TX101] Transfer $796: B=1182 → 386, A=7018 → 7814 [TX102] Transfer $791: A=7814 → 7023, B=386 → 1177 [TX103] Transfer $338: B=1177 → 839, A=7023 → 7361 [TX104] Transfer $694: A=7361 → 6667, B=839 → 1533 [TX105] Transfer $484: A=6667 → 6183, B=1533 → 2017 [TX106] Transfer $211: A=6183 → 5972, B=2017 → 2228 [TX107] Transfer $715: B=2228 → 1513, A=5972 → 6687 [TX108] Transfer $26: B=1513 → 1487, A=6687 → 6713 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX025	Account balance goes negative	NEGATIVE_BAL	108	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX025", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 108}
26	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $508: B=4200 → 3692, A=4000 → 4508 [TX002] Transfer $786: B=3692 → 2906, A=4508 → 5294 [TX003] Transfer $64: B=2906 → 2842, A=5294 → 5358 [TX004] Transfer $133: A=5358 → 5225, B=2842 → 2975 [TX005] Transfer $830: B=2975 → 2145, A=5225 → 6055 [TX006] Transfer $391: A=6055 → 5664, B=2145 → 2536 [TX007] Transfer $355: A=5664 → 5309, B=2536 → 2891 [TX008] Transfer $361: B=2891 → 2530, A=5309 → 5670 [TX009] Transfer $255: A=5670 → 5415, B=2530 → 2784 [TX010] Transfer $934: B=2785 → 1851, A=5415 → 6349 [TX011] Transfer $119: A=6349 → 6230, B=1851 → 1970 [TX012] Transfer $22: B=1970 → 1948, A=6230 → 6252 [TX013] Transfer $473: B=1948 → 1475, A=6252 → 6725 [TX014] Transfer $275: B=1475 → 1200, A=6725 → 7000 [TX015] Transfer $604: A=7000 → 6396, B=1200 → 1804 [TX016] Transfer $388: A=6396 → 6008, B=1804 → 2192 [TX017] Transfer $588: B=2192 → 1604, A=6008 → 6596 [TX018] Transfer $104: A=6596 → 6492, B=1604 → 1708 [TX019] Transfer $510: A=6492 → 5982, B=1708 → 2218 [TX020] Transfer $631: B=2218 → 1587, A=5982 → 6613 [TX021] Transfer $994: B=1587 → 593, A=6613 → 7607 [TX022] Transfer $256: B=593 → 337, A=7607 → 7863 [TX023] Transfer $296: A=7863 → 7567, B=337 → 633 [TX024] Transfer $306: B=633 → 327, A=7567 → 7873 [TX025] Transfer $161: B=327 → 166, A=7873 → 8034 [TX026] Transfer $608: A=8034 → 7426, B=166 → 774 [TX027] Transfer $70: B=774 → 704, A=7426 → 7496 [TX028] Transfer $216: B=704 → 488, A=7496 → 7712 [TX029] Transfer $335: B=488 → 153, A=7712 → 8047 [TX030] Transfer $29: B=153 → 124, A=8047 → 8076 [TX031] Transfer $15: B=124 → 109, A=8076 → 8091 [TX032] Transfer $9: B=109 → 100, A=8091 → 8100 [TX033] Transfer $644: A=8100 → 7456, B=100 → 744 [TX034] Transfer $220: A=7456 → 7236, B=744 → 964 [TX035] Transfer $655: B=964 → 309, A=7236 → 7891 [TX036] Transfer $135: B=309 → 174, A=7891 → 8026 [TX037] Transfer $475: A=8026 → 7551, B=174 → 649 [TX038] Transfer $156: A=7551 → 7395, B=649 → 805 [TX039] Transfer $422: B=805 → 383, A=7395 → 7817 [TX040] Transfer $106: B=383 → 277, A=7817 → 7923 [TX041] Transfer $75: B=277 → 202, A=7923 → 7998 [TX042] Transfer $705: A=7998 → 7293, B=202 → 907 [TX043] Transfer $246: A=7293 → 7047, B=907 → 1153 [TX044] Transfer $198: A=7047 → 6849, B=1153 → 1351 [TX045] Transfer $818: A=6849 → 6031, B=1351 → 2169 [TX046] Transfer $499: B=2169 → 1670, A=6031 → 6530 [TX047] Transfer $664: B=1670 → 1006, A=6530 → 7194 [TX048] Transfer $165: A=7194 → 7029, B=1006 → 1171 [TX049] Transfer $31: B=1171 → 1140, A=7029 → 7060 [TX050] Transfer $676: B=1140 → 464, A=7060 → 7736 [TX051] Transfer $988: A=7736 → 6748, B=464 → 1452 [TX052] Transfer $58: B=1452 → 1394, A=6748 → 6806 [TX053] Transfer $618: A=6806 → 6188, B=1394 → 2012 [TX054] Transfer $924: B=2012 → 1088, A=6188 → 7112 [TX055] Transfer $689: B=1088 → 399, A=7112 → 7801 [TX056] Transfer $967: A=7801 → 6834, B=399 → 1366 [TX057] Transfer $116: A=6834 → 6718, B=1366 → 1482 [TX058] Transfer $510: A=6718 → 6208, B=1482 → 1992 [TX059] Transfer $616: A=6208 → 5592, B=1992 → 2608 [TX060] Transfer $339: A=5592 → 5253, B=2608 → 2947 [TX061] Transfer $959: B=2947 → 1988, A=5253 → 6212 [TX062] Transfer $149: B=1988 → 1839, A=6212 → 6361 [TX063] Transfer $221: A=6361 → 6140, B=1839 → 2060 [TX064] Transfer $420: B=2060 → 1640, A=6140 → 6560 [TX065] Transfer $504: B=1640 → 1136, A=6560 → 7064 [TX066] Transfer $326: B=1136 → 810, A=7064 → 7390 [TX067] Transfer $701: B=810 → 109, A=7390 → 8091 [TX068] Transfer $902: A=8091 → 7189, B=109 → 1011 [TX069] Transfer $488: A=7189 → 6701, B=1011 → 1499 [TX070] Transfer $23: B=1499 → 1476, A=6701 → 6724 [TX071] Transfer $709: A=6724 → 6015, B=1476 → 2185 [TX072] Transfer $567: A=6015 → 5448, B=2185 → 2752 [TX073] Transfer $656: B=2752 → 2096, A=5448 → 6104 [TX074] Transfer $549: B=2096 → 1547, A=6104 → 6653 [TX075] Transfer $399: A=6653 → 6254, B=1547 → 1946 [TX076] Transfer $951: A=6254 → 5303, B=1946 → 2897 [TX077] Transfer $94: B=2897 → 2803, A=5303 → 5397 [TX078] Transfer $217: A=5397 → 5180, B=2803 → 3020 [TX079] Transfer $648: A=5180 → 4532, B=3020 → 3668 [TX080] Transfer $810: B=3668 → 2858, A=4532 → 5342 [TX081] Transfer $889: A=5342 → 4453, B=2858 → 3747 [TX082] Transfer $484: A=4453 → 3969, B=3747 → 4231 [TX083] Transfer $736: B=4231 → 3495, A=3969 → 4705 [TX084] Transfer $846: B=3495 → 2649, A=4705 → 5551 [TX085] Transfer $520: A=5551 → 5031, B=2649 → 3169 [TX086] Transfer $432: A=5031 → 4599, B=3169 → 3601 [TX087] Transfer $713: B=3601 → 2888, A=4599 → 5312 [TX088] Transfer $658: A=5312 → 4654, B=2888 → 3546 [TX089] Transfer $812: A=4654 → 3842, B=3546 → 4358 [TX090] Transfer $412: A=3842 → 3430, B=4358 → 4770 [TX091] Transfer $323: A=3430 → 3107, B=4770 → 5093 [TX092] Transfer $163: A=3107 → 2944, B=5093 → 5256 [TX093] Transfer $869: A=2944 → 2075, B=5256 → 6125 [TX094] Transfer $464: B=6125 → 5661, A=2075 → 2539 [TX095] Transfer $268: B=5661 → 5393, A=2539 → 2807 [TX096] Transfer $820: A=2807 → 1987, B=5393 → 6213 [TX097] Transfer $88: B=6213 → 6125, A=1987 → 2075 [TX098] Transfer $188: B=6125 → 5937, A=2075 → 2263 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX009	Mathematical calculation is incorrect	CALC_ERROR	98	{"bug_type": "CALC_ERROR", "bug_location": "TX009", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 98}
87	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $742: A=4000 → 3258, B=4200 → 4942 [TX002] Transfer $588: B=4942 → 4354, A=3258 → 3846 [TX003] Transfer $447: A=3846 → 3399, B=4354 → 4801 [TX004] Transfer $596: B=4801 → 4205, A=3399 → 3995 [TX005] Transfer $340: A=3995 → 3655, B=4205 → 4545 [TX006] Transfer $569: B=4545 → 3976, A=3655 → 4224 [TX007] Transfer $904: A=4224 → 3320, B=3976 → 4880 [TX008] Transfer $272: B=4880 → 4608, A=3320 → 3592 [TX009] Transfer $562: B=4608 → 4046, A=3592 → 4154 [TX010] Transfer $705: A=4154 → 3449, B=4046 → 4751 [TX011] Transfer $792: B=4751 → 3959, A=3449 → 4241 [TX012] Transfer $765: A=4241 → 3476, B=3959 → 4724 [TX013] Transfer $822: B=4724 → 3902, A=3476 → 4298 [TX014] Transfer $252: A=4298 → 4046, B=3902 → 4154 [TX015] Transfer $579: A=4046 → 3467, B=4154 → 4733 [TX016] Transfer $28: A=3467 → 3439, B=4733 → 4761 [TX017] Transfer $502: B=4761 → 4259, A=3439 → 3941 [TX018] Transfer $196: A=3941 → 3745, B=4259 → 4455 [TX019] Transfer $219: A=3745 → 3526, B=4455 → 4674 [TX020] Transfer $581: A=3526 → 2945, B=4674 → 5255 [TX021] Transfer $267: B=5255 → 4988, A=2945 → 3212 [TX022] Transfer $891: A=3212 → 2321, B=4988 → 5879 [TX023] Transfer $247: A=2321 → 2074, B=5879 → 6126 [TX024] Transfer $959: A=2074 → 1115, B=6126 → 7085 [TX025] Transfer $634: B=7085 → 6451, A=1115 → 1749 [TX026] Transfer $171: A=1749 → 1578, B=6451 → 6622 [TX027] Transfer $942: B=6622 → 5680, A=1578 → 2520 [TX028] Transfer $231: A=2520 → 2289, B=5680 → 5911 [TX029] Transfer $49: B=5911 → 5862, A=2289 → 2338 [TX030] Payment PAY1026: Transfer $704: A=2338 → 1634, B=5862 → 6566 [TX031] Transfer $591: A=1634 → 1043, B=6566 → 7157 [TX032] Transfer $707: A=1043 → 336, B=7157 → 7864 [TX033] Transfer $110: A=336 → 226, B=7864 → 7974 [TX034] Transfer $99: A=226 → 127, B=7974 → 8073 [TX035] Transfer $11: A=127 → 116, B=8073 → 8084 [TX036] Transfer $6: A=116 → 110, B=8084 → 8090 [TX037] Transfer $621: B=8090 → 7469, A=110 → 731 [TX038] Transfer $496: A=731 → 235, B=7469 → 7965 [TX039] Transfer $884: B=7965 → 7081, A=235 → 1119 [TX040] Transfer $864: A=1119 → 255, B=7081 → 7945 [TX041] Transfer $131: B=7945 → 7814, A=255 → 386 [TX042] Transfer $938: B=7814 → 6876, A=386 → 1324 [TX043] Transfer $448: B=6876 → 6428, A=1324 → 1772 [TX044] Transfer $566: A=1772 → 1206, B=6428 → 6994 [TX045] Transfer $32: A=1206 → 1174, B=6994 → 7026 [TX046] Transfer $809: A=1174 → 365, B=7026 → 7835 [TX047] Transfer $220: B=7835 → 7615, A=365 → 585 [TX048] Transfer $398: A=585 → 187, B=7615 → 8013 [TX049] Transfer $937: B=8013 → 7076, A=187 → 1124 [TX050] Transfer $462: A=1124 → 662, B=7076 → 7538 [TX051] Transfer $225: B=7538 → 7313, A=662 → 887 [TX052] Transfer $426: A=887 → 461, B=7313 → 7739 [TX053] Transfer $207: A=461 → 254, B=7739 → 7946 [TX054] Transfer $30: B=7946 → 7916, A=254 → 284 [TX055] Transfer $214: B=7916 → 7702, A=284 → 498 [TX056] Transfer $245: B=7702 → 7457, A=498 → 743 [TX057] Transfer $345: B=7457 → 7112, A=743 → 1088 [TX058] Transfer $640: B=7112 → 6472, A=1088 → 1728 [TX059] Transfer $647: B=6472 → 5825, A=1728 → 2375 [TX060] Transfer $747: B=5825 → 5078, A=2375 → 3122 [TX061] Transfer $812: A=3122 → 2310, B=5078 → 5890 [TX062] Transfer $137: B=5890 → 5753, A=2310 → 2447 [TX063] Transfer $20: B=5753 → 5733, A=2447 → 2467 [TX064] Transfer $802: B=5733 → 4931, A=2467 → 3269 [TX065] Transfer $440: B=4931 → 4491, A=3269 → 3709 [TX066] Transfer $143: B=4491 → 4348, A=3709 → 3852 [TX067] Transfer $864: B=4348 → 3484, A=3852 → 4716 [TX068] Payment PAY1026: Transfer $704: A=4716 → 4012, B=3484 → 4188 [TX069] Transfer $16: B=4188 → 4172, A=4012 → 4028 [TX070] Transfer $725: A=4028 → 3303, B=4172 → 4897 [TX071] Transfer $826: B=4897 → 4071, A=3303 → 4129 [TX072] Transfer $906: B=4071 → 3165, A=4129 → 5035 [TX073] Transfer $748: B=3165 → 2417, A=5035 → 5783 [TX074] Transfer $589: A=5783 → 5194, B=2417 → 3006 [TX075] Transfer $324: B=3006 → 2682, A=5194 → 5518 [TX076] Transfer $108: B=2682 → 2574, A=5518 → 5626 [TX077] Transfer $768: A=5626 → 4858, B=2574 → 3342 [TX078] Transfer $265: B=3342 → 3077, A=4858 → 5123 [TX079] Transfer $605: B=3077 → 2472, A=5123 → 5728 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX068	Payment PAY1026 processed twice	DUPLICATE_TXN	79	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX068", "explanation": "Payment PAY1026 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 79}
33	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $434: B=4200 → 3766, A=4000 → 4434 [TX002] Transfer $841: B=3766 → 2925, A=4434 → 5275 [TX003] Transfer $782: B=2925 → 2143, A=5275 → 6057 [TX004] Transfer $876: B=2143 → 1267, A=6057 → 6933 [TX005] Transfer $611: A=6933 → 6322, B=1267 → 1878 [TX006] Transfer $265: A=6322 → 6057, B=1878 → 2143 [TX007] Transfer $315: B=2143 → 1828, A=6057 → 6372 [TX008] Transfer $386: B=1828 → 1442, A=6372 → 6758 [TX009] Transfer $343: B=1442 → 1099, A=6758 → 7101 [TX010] Transfer $202: A=7101 → 6899, B=1099 → 1301 [TX011] Transfer $6: A=6899 → 6893, B=1301 → 1307 [TX012] Transfer $505: A=6893 → 6388, B=1307 → 1812 [TX013] Transfer $964: B=1812 → 848, A=6388 → 7352 [TX014] Transfer $395: B=848 → 453, A=7352 → 7747 [TX015] Transfer $330: B=453 → 123, A=7747 → 8077 [TX016] Transfer $908: A=8077 → 7169, B=123 → 1031 [TX017] Transfer $396: A=7169 → 6773, B=1031 → 1427 [TX018] Transfer $783: A=6773 → 5990, B=1427 → 2210 [TX019] Transfer $791: B=2210 → 1419, A=5990 → 6781 [TX020] Transfer $652: B=1419 → 767, A=6781 → 7433 [TX021] Transfer $396: B=767 → 371, A=7433 → 7829 [TX022] Transfer $126: B=371 → 245, A=7829 → 7955 [TX023] Transfer $257: B=245 → -12, A=7955 → 8212 [TX024] Transfer $269: A=8212 → 7943, B=-12 → 257 [TX025] Transfer $67: B=257 → 190, A=7943 → 8010 [TX026] Transfer $14: A=8010 → 7996, B=190 → 204 [TX027] Transfer $661: A=7996 → 7335, B=204 → 865 [TX028] Transfer $725: B=865 → 140, A=7335 → 8060 [TX029] Transfer $899: A=8060 → 7161, B=140 → 1039 [TX030] Transfer $851: B=1039 → 188, A=7161 → 8012 [TX031] Transfer $40: B=188 → 148, A=8012 → 8052 [TX032] Transfer $48: B=148 → 100, A=8052 → 8100 [TX033] Balance check: B=100 [TX034] Transfer $835: A=8100 → 7265, B=100 → 935 [TX035] Transfer $768: A=7265 → 6497, B=935 → 1703 [TX036] Transfer $717: A=6497 → 5780, B=1703 → 2420 [TX037] Transfer $174: B=2420 → 2246, A=5780 → 5954 [TX038] Transfer $101: B=2246 → 2145, A=5954 → 6055 [TX039] Transfer $539: A=6055 → 5516, B=2145 → 2684 [TX040] Transfer $752: B=2684 → 1932, A=5516 → 6268 [TX041] Transfer $182: B=1932 → 1750, A=6268 → 6450 [TX042] Transfer $722: B=1750 → 1028, A=6450 → 7172 [TX043] Transfer $500: A=7172 → 6672, B=1028 → 1528 [TX044] Transfer $463: A=6672 → 6209, B=1528 → 1991 [TX045] Transfer $207: A=6209 → 6002, B=1991 → 2198 [TX046] Transfer $830: A=6002 → 5172, B=2198 → 3028 [TX047] Transfer $925: A=5172 → 4247, B=3028 → 3953 [TX048] Transfer $643: B=3953 → 3310, A=4247 → 4890 [TX049] Transfer $83: A=4890 → 4807, B=3310 → 3393 [TX050] Transfer $388: B=3393 → 3005, A=4807 → 5195 [TX051] Transfer $67: A=5195 → 5128, B=3005 → 3072 [TX052] Transfer $601: B=3072 → 2471, A=5128 → 5729 [TX053] Transfer $498: A=5729 → 5231, B=2471 → 2969 [TX054] Transfer $64: A=5231 → 5167, B=2969 → 3033 [TX055] Transfer $683: B=3033 → 2350, A=5167 → 5850 [TX056] Transfer $218: A=5850 → 5632, B=2350 → 2568 [TX057] Transfer $619: A=5632 → 5013, B=2568 → 3187 [TX058] Transfer $486: B=3187 → 2701, A=5013 → 5499 [TX059] Transfer $346: B=2701 → 2355, A=5499 → 5845 [TX060] Transfer $324: B=2355 → 2031, A=5845 → 6169 [TX061] Transfer $683: A=6169 → 5486, B=2031 → 2714 [TX062] Transfer $627: B=2714 → 2087, A=5486 → 6113 [TX063] Transfer $896: A=6113 → 5217, B=2087 → 2983 [TX064] Transfer $5: B=2983 → 2978, A=5217 → 5222 [TX065] Transfer $744: B=2978 → 2234, A=5222 → 5966 [TX066] Transfer $618: A=5966 → 5348, B=2234 → 2852 [TX067] Transfer $975: A=5348 → 4373, B=2852 → 3827 [TX068] Transfer $464: A=4373 → 3909, B=3827 → 4291 [TX069] Transfer $678: B=4291 → 3613, A=3909 → 4587 [TX070] Transfer $655: A=4587 → 3932, B=3613 → 4268 [TX071] Transfer $650: B=4268 → 3618, A=3932 → 4582 [TX072] Transfer $994: B=3618 → 2624, A=4582 → 5576 [TX073] Transfer $241: B=2624 → 2383, A=5576 → 5817 [TX074] Transfer $758: B=2383 → 1625, A=5817 → 6575 [TX075] Transfer $440: A=6575 → 6135, B=1625 → 2065 [TX076] Transfer $753: B=2065 → 1312, A=6135 → 6888 [TX077] Transfer $623: B=1312 → 689, A=6888 → 7511 [TX078] Transfer $892: A=7511 → 6619, B=689 → 1581 [TX079] Transfer $511: A=6619 → 6108, B=1581 → 2092 [TX080] Transfer $854: A=6108 → 5254, B=2092 → 2946 [TX081] Transfer $919: B=2946 → 2027, A=5254 → 6173 [TX082] Transfer $495: B=2027 → 1532, A=6173 → 6668 [TX083] Transfer $218: A=6668 → 6450, B=1532 → 1750 [TX084] Transfer $110: A=6450 → 6340, B=1750 → 1860 [TX085] Transfer $166: B=1860 → 1694, A=6340 → 6506 [TX086] Transfer $786: B=1694 → 908, A=6506 → 7292 [TX087] Transfer $738: B=908 → 170, A=7292 → 8030 [TX088] Transfer $17: B=170 → 153, A=8030 → 8047 [TX089] Transfer $94: A=8047 → 7953, B=153 → 247 [TX090] Transfer $18: B=247 → 229, A=7953 → 7971 [TX091] Transfer $99: B=229 → 130, A=7971 → 8070 [TX092] Transfer $9: B=130 → 121, A=8070 → 8079 [TX093] Transfer $11: B=121 → 110, A=8079 → 8090 [TX094] Transfer $93: A=8090 → 7997, B=110 → 203 [TX095] Transfer $97: B=203 → 106, A=7997 → 8094 [TX096] Transfer $132: A=8094 → 7962, B=106 → 238 [TX097] Transfer $2: B=238 → 236, A=7962 → 7964 [TX098] Transfer $50: B=236 → 186, A=7964 → 8014 [TX099] Transfer $42: B=186 → 144, A=8014 → 8056 [TX100] Transfer $35: B=144 → 109, A=8056 → 8091 [TX101] Transfer $406: A=8091 → 7685, B=109 → 515 [TX102] Transfer $325: A=7685 → 7360, B=515 → 840 [TX103] Transfer $859: A=7360 → 6501, B=840 → 1699 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX023	Account balance goes negative	NEGATIVE_BAL	103	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX023", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 103}

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