Handling Liveness Properties in (ω-)Regular Model Checking

  • Authors:
  • Ahmed Bouajjani;Axel Legay;Pierre Wolper

  • Affiliations:
  • LIAFA, University of Paris 7, Paris, France;Institut Montefiore, Université de Liège, Liège, Belgium;Institut Montefiore, Université de Liège, Liège, Belgium

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2005

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Abstract

Since the topic emerged several years ago, work on regular model checking has mostly been devoted to the verification of state reachability and safety properties. Though it was known that liveness properties could also be checked within this framework, little has been done about working out the corresponding details, and experimentally evaluating the approach. This paper addresses these issues in the context of regular model checking based on the encoding of states by finite or infinite words. It works out the exact constructions to be used in both cases, and solves the problem resulting from the fact that infinite computations of unbounded configurations might never contain the same configuration twice, thus making cycle detection problematic. Several experiments showing the applicability of the approach were successfully conducted.