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Schlagwörter:
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Zusammenfassung:
In this paper we show how hierarchical reasoning can be
used to verify properties of complex systems.
Chains of local theory extensions are used to model a case
study taken from the European Train Control System (ETCS)
standard, but considerably simplified. We show how testing
invariants and bounded model checking (for safety properties
expressed by universally quantified formulae,
depending on certain parameters of the systems)
can automatically be reduced to checking
satisfiability of ground formulae over a base theory.
