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RESY: Requirement Synthesis for Compositional Model Checking

  • Bernd Finkbeiner
  • Hans-Jörg Peter
  • Sven Schewe
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4963)

Abstract

The requirement synthesis tool RESY automatically computes environment assumptions for compositional model checking. Given a process M in a multi-process PROMELA program, an abstraction refinement loop computes a coarse equivalence relation on the states of the environment, collapsing two states if the environment of M can either force the occurrence of an error from both states or from neither state. RESY supports three different operation modes: assumption generation, compositional model checking, and front-end to the model checker SPIN. In assumption generation mode, RESY minimizes the size of the assumption; small assumptions are useful for program documentation and as certificates for re-verification. In compositional model checking mode, RESY terminates as soon as the property is proven or disproven, independently of the size of the assumption. In front-end mode, RESY terminates when the size of the assumption falls below a specified threshold, and calls SPIN with the simplified verification problem.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Bernd Finkbeiner
    • 1
  • Hans-Jörg Peter
    • 1
  • Sven Schewe
    • 1
  1. 1.Universität des SaarlandesSaarbrückenGermany

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