Process refinement in b

  • Authors:
  • Steve Dunne;Stacey Conroy

  • Affiliations:
  • School of Computing, University of Teesside, Middlesbrough, UK;School of Computing, University of Teesside, Middlesbrough, UK

  • Venue:
  • ZB'05 Proceedings of the 4th international conference on Formal Specification and Development in Z and B
  • Year:
  • 2005

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Abstract

We describe various necessary and sufficient conditions with which to augment B's existing refinement proof obligations for forward and backward refinement in order to capture within the B Method a variety of CSP process refinement relations, including most significantly that of failures-divergences which provides the standard denotational semantics of CSP processes.