A Comparative Study of Symbolic Algorithms for the Computation of Fair Cycles

  • Authors:
  • Kavita Ravi;Roderick Bloem;Fabio Somenzi

  • Affiliations:
  • -;-;-

  • Venue:
  • FMCAD '00 Proceedings of the Third International Conference on Formal Methods in Computer-Aided Design
  • Year:
  • 2000

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Abstract

Detection of fair cycles is an important task of many model checking algorithms. When the transition system is represented symbolically, the standard approach to fair cycle detection is the one of Emerson and Lei. In the last decade variants of this algorithm and an alternative method based on strongly connected component decomposition have been proposed. We present a taxonomy of these techniques and compare representatives of each major class on a collection of real-life examples. Our results indicate that the Emerson-Lei procedure is the fastest, but other algorithms tend to generate shorter counter-examples.