Model checking bounded prioritized time Petri nets

  • Authors:
  • Bernard Berthomieu;Florent Peres;François Vernadat

  • Affiliations:
  • LAAS, CNRS, Université de Toulouse, Toulouse, France;LAAS, CNRS, Université de Toulouse, Toulouse, France;LAAS, CNRS, Université de Toulouse, Toulouse, France

  • Venue:
  • ATVA'07 Proceedings of the 5th international conference on Automated technology for verification and analysis
  • Year:
  • 2007

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Abstract

In a companion paper [BPV06], we investigated the expressiveness of Time Petri Nets extended with Priorities and showed that it is very close to that Timed Automata, in terms of weak timed bisimilarity. As a continuation of this work we investigate here the applicability of the available state space abstractions for Bounded Time Petri Nets to Bounded Prioritized Time Petri Nets. We show in particular that a slight extension of the "strong state classes" construction of [BV03] provides a convenient state space abstraction for these nets, preserving markings, states, and LTL formulas. Interestingly, and conversely to Timed Automata, the construction proposed does not require to compute polyhedra differences.