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On the Formal Verification of Systems of Synchronous Software Components

  • Henning Günther
  • Stefan Milius
  • Oliver Möller
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7612)

Abstract

Large asynchronous systems composed from synchronous components (so called GALS—globally asynchronous, locally synchronous—systems) pose a challenge to formal verification. We present an approach which abstracts components with contracts capturing the behavior by a mixture of temporal logic formulas and non-deterministic state machines. Formal verification of global system properties is then done transforming a network of contracts to model checking tools such as Promela/SPIN or UPPAAL. Synchronous components are implemented in Scade, and contract validation is done using the Scade Design Verifier for formal verification. We also discuss first experiences from an ongoing industrial case study applying our approach.

Keywords

formal verification GALS systems rely-guarantee Scade SPIN UPPAAL 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Henning Günther
    • 1
  • Stefan Milius
    • 1
  • Oliver Möller
    • 2
  1. 1.Institut für Theoretische InformatikTechnische Universität BraunschweigGermany
  2. 2.Verified Systems International GmbHBremenGermany

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