Generating a Petri net from a CSP specification: A semantics-based method

  • Authors:
  • M. Llorens;J. Oliver;J. Silva;S. Tamarit

  • Affiliations:
  • Departamento de Sistemas Informáticos y Computación, Universitat Politècnica de València, Valencia, Spain;Departamento de Sistemas Informáticos y Computación, Universitat Politècnica de València, Valencia, Spain;Departamento de Sistemas Informáticos y Computación, Universitat Politècnica de València, Valencia, Spain;Departamento de Sistemas Informáticos y Computación, Universitat Politècnica de València, Valencia, Spain

  • Venue:
  • Advances in Engineering Software
  • Year:
  • 2012

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Abstract

The specification and simulation of complex concurrent systems is a difficult task due to the intricate combinations of message passing and synchronizations that can occur between the components of the system. Two of the most extended formalisms used to specify, verify and simulate such kind of systems are CSP and the Petri nets. This work introduces a new technique that allows us to automatically transform a CSP specification into an equivalent Petri net. The transformation is formally defined by instrumenting the operational semantics of CSP. Because the technique uses a semantics-directed transformation, it produces Petri nets that are closer to the CSP specification and thus easier to understand. This result is interesting because it allows CSP developers not only to graphically animate their specifications through the use of the equivalent Petri net, but it also allows them to use all the tools and analysis techniques developed for Petri nets.