Model Checking Downward Simulations

  • Authors:

  • Graeme Smith;John Derrick

  • Affiliations:

  • School of Information Technology and Electrical Engineering, The University of Queensland, Australia;Department of Computer Science, University of Sheffield, Sheffield, UK

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

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Abstract

This paper shows how downward simulation can be checked using existing temporal logic model checkers. In particular, we show how the branching time temporal logic CTL can be used to encode the standard downward simulation conditions. We do this for both a blocking, or guarded, interpretation of operations (often used when specifying reactive systems) as well as the more common non-blocking interpretation of operations used in many state-based specification languages (for modelling sequential systems). The approach is general enough to use with any state-based specification language, and any CTL model checker in which the language can be encoded.