Model checking of systems employing commutative functions

  • Authors:
  • A. Prasad Sistla;Min Zhou;Xiaodong Wang

  • Affiliations:
  • University of Illinois at Chicago;University of Illinois at Chicago;University of Illinois at Chicago

  • Venue:
  • VMCAI'05 Proceedings of the 6th international conference on Verification, Model Checking, and Abstract Interpretation
  • Year:
  • 2005

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Abstract

The paper presents methods for model checking a class of possibly infinite state concurrent programs using various types of bi-simulation reductions. The proposed methods work for the class of programs in which the functions that update the variables are mutually commutative. A number of bi-simulation relations are presented for such systems. Explicit state model checking methods that employ on-the-fly reductions with respect to these bi-simulations are given. Some of these methods have been implemented and have been used to verify some well known protocols that employ integer variables.