Automated Reasoning in Kleene Algebra

  • Authors:
  • Peter Höfner;Georg Struth

  • Affiliations:
  • Department of Computer Science, University of Sheffield, United Kingdom;Department of Computer Science, University of Sheffield, United Kingdom

  • Venue:
  • CADE-21 Proceedings of the 21st international conference on Automated Deduction: Automated Deduction
  • Year:
  • 2007

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Abstract

It has often been claimed that model checking, special purpose automated deduction or interactive theorem proving are needed for formal program development. We demonstrate that off-the-shelf automated proof and counterexample search is an interesting alternative if combined with the right domain model. We implement variants of Kleene algebras axiomatically in Prover9/Mace4 and perform proof experiments about Hoare, dynamic, temporal logics, concurrency control and termination analysis. They confirm that a simple automated analysis of some important program properties is possible. Particular benefits of this approach include "soft" model checking in a first-order setting, cross-theory reasoning between standard formalisms and full automation of some (co)inductive arguments. Kleene algebras might therefore provide light-weight formal methods with heavy-weight automation.