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Some Solutions to the Ignoring Problem

  • Sami Evangelista
  • Christophe Pajault
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4595)

Abstract

The ignoring problem refers to the fact that some actions may be infinitely postponed by a state space search algorithm that makes use of partial order reduction (POR). The prevention of this phenomenon is mandatory if one wants to verify more elaborate properties than the deadlock freeness, e.g., safety or liveness properties. We present in this work some solutions to this problem. In order to assess the quality of our propositions, we included them in our model checker Helena. We report the result of some experiments which show that our algorithms yield better reductions than state of the art algorithms like those implemented in the Spin tool.

Keywords

explicit model checking partial order reduction ignoring problem cycle proviso 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Sami Evangelista
    • 1
  • Christophe Pajault
    • 1
  1. 1.CEDRIC - CNAM Paris, 2, rue Conté, 75003 Paris 

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