A Unifying Model Checking Approach for Safety Properties of Parameterized Systems

  • Authors:
  • Monika Maidl

  • Affiliations:
  • -

  • Venue:
  • CAV '01 Proceedings of the 13th International Conference on Computer Aided Verification
  • Year:
  • 2001

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Abstract

We present a model checking algorithm for safety properties that is applicable to parameterized systems and hence provides a unifying approach of model checking for parameterized systems. By analysing the conditions under which the proposed algorithm terminates, we obtain a characterisation of a subclass for which this problem is decidable. The known decidable subclasses, token rings and broadcast systems, fall in our subclass, while the main novel feature is that (unnested) quantification over index variables is allowed, which means that global guards can be expressed.