  The MadAnalysis 5 framework can be used to assess the potential of various
LHC analyses for unravelling any specific new physics signal. We present an
extension of the LHC reinterpretation capabilities of the programme allowing
for the inclusion of theoretical and systematical uncertainties on the signal
in the reinterpretation procedure. We have implemented extra methods dedicated
to the extrapolation of the impact of a given analysis to higher luminosities,
including various options for the treatment of the errors. As an application,
we study three classes of new physics models. We first focus on a simplified
model in which the Standard Model is supplemented by a gluino and a neutralino.
We show that uncertainties could in particular degrade the bounds by several
hundreds of GeV when considering 3000 fb$^{-1}$ of future LHC data. We next
investigate another supersymmetry-inspired simplified model, in which the
Standard Model is extended by a first generation squark species and a
neutralino. We reach similar conclusions. Finally, we study a class of
s-channel dark matter setups and compare the expectation for two types of
scenarios differing in the details of the implementation of the mediation
between the dark and Standard Model sectors.
