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A Model-Checking Approach to Analyse Temporal Failure Propagation with AltaRica

Abstract : The design of complex safety critical systems raises new technical challenges for the industry. As systems become more complex—and include more and more interacting functions—it becomes harder to evaluate the safety implications of local failures and their possible propagation through a whole system. That is all the more true when we add time to the problem, that is when we consider the impact of computation times and delays on the propagation of failures. We describe an approach that extends models developed for Safety Analysis with timing information and provide tools to reason on the correctness of temporal safety conditions. Our approach is based on an extension of the AltaRica language where we can associate timing constraints with events and relies on a translation into a realtime model-checking toolset. We illustrate our method with an example that is representative of safety architectures found in critical systems.
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Contributor : Silvano Dal Zilio <>
Submitted on : Tuesday, September 19, 2017 - 3:13:16 PM
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Alexandre Albore, Silvano Dal Zilio, Guillaume Infantes, Christel Seguin, Pierre Virelizier. A Model-Checking Approach to Analyse Temporal Failure Propagation with AltaRica. Model-Based Safety and Assessment. IMBSA 2017, Sep 2017, Trento, Italy. 15p., ⟨10.1007/978-3-319-64119-5_10⟩. ⟨hal-01693391v2⟩



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