AltaRica refinement for heterogeneous granularity models analysis
Résumé
We define a notion of refinement for AltaRica models in order to analyze the safety of systems described at various levels of detail. We describe a technique based on the Mec V model-checker to automatically check that one model refines another one. We present two theoretical results: the first one allows to verify refinement by focusing on one component of the model at a time, the second result defines the kind of requirements that are preserved by refinement. We propose to use these theoretical results in order to ease the safety assessment of a set of interconnected aeronautical systems.