Cones and foci for protocol verification revisited

  • Authors:
  • Wan Fokkink;Jun Pang

  • Affiliations:
  • CWI, Department of Software Engineering, Amsterdam, The Netherlands and Vrije Universiteit Amsterdam, Department of Theoretical Computer Science, Amsterdam, The Netherlands;CWI, Department of Software Engineering, Amsterdam, The Netherlands

  • Venue:
  • FOSSACS'03/ETAPS'03 Proceedings of the 6th International conference on Foundations of Software Science and Computation Structures and joint European conference on Theory and practice of software
  • Year:
  • 2003

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Abstract

We define a cones and foci proof method, which rephrases the question whether two system specifications are branching bisimilar in terms of proof obligations on relations between data objects. Compared to the original cones and foci method from Groote and Springintveld [22], our method is more generally applicable, and does not require a preprocessing step to eliminate τ-loops. We prove soundness of our approach and give an application.