On the integration of formal methods: events and Scenarios in PVS and VDM

  • Authors:
  • Georg Droschl

  • Affiliations:
  • Austrian Research Center Seibersdorf, Seibersdorf and Institute for Software Technology, Technical University of Graz, Graz, Austria

  • Venue:
  • IW-FM'99 Proceedings of the 3rd Irish conference on Formal Methods
  • Year:
  • 1999

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Abstract

Tool support is known to be one of the success factors in formal specification based analysis and -program development. This paper investigates tool support in the context of a case study where a wide range of tool features is required: For an access control, C++ code has to be developed based on the user's requirements expressed in natural language. The access control has been classified a mixed data-control problem. This paper discusses (1) why VDMTools and PVS have been selected and (2) how they can be used together. Another aspect is the use of VDM as a framework for modeling event based systems. In our approach to tool integration, two specifications are considered to share a common part. For the present application this part consists of the scenario of all possible events.