Mechanical Abstraction of CSPZ Processes

  • Authors:
  • Alexandre Mota;Paulo Borba;Augusto Sampaio

  • Affiliations:
  • -;-;-

  • Venue:
  • FME '02 Proceedings of the International Symposium of Formal Methods Europe on Formal Methods - Getting IT Right
  • Year:
  • 2002

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Abstract

We propose a mechanised strategy to turn an infinite CSPZ process (formed of CSP and Z constructs) into one suitable for model checking. This strategy integrates two theories which allow us to consider the infiniteness of CSPZ as two separate problems: data independence for handling the behavioural aspect and abstract interpretation for handling the data structure aspect. A distinguishing feature of our approach to abstract interpretation is the generation of the abstract domains based on a symbolic execution of the process.