A Partial Order Method for the Verification of Time Petri Nets

  • Authors:
  • Irina Virbitskaite;E. Pokozy

  • Affiliations:
  • -;-

  • Venue:
  • FCT '99 Proceedings of the 12th International Symposium on Fundamentals of Computation Theory
  • Year:
  • 1999

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Abstract

The intention of the paper is to develop an efficient model checker for real time systems represented by safe time Petri nets and the real time branching time temporal logic TCTL. Our method is based on the idea of, (1), using the known region graph technique [1] to construct a finite representation of the state-space of a time Petri net and, (2), further reducing the size of this representation by exploiting the net concurrency. To show the correctness of the reduction we introduce a notion of a timed stuttering equivalence. Some experimental results which demonstrate the efficiency of the method are also given.