Automatic Generation of CSP || B Skeletons from xUML Models

  • Authors:

  • Edward Turner;Helen Treharne;Steve Schneider;Neil Evans

  • Affiliations:

  • Department of Computing, University of Surrey,;Department of Computing, University of Surrey,;Department of Computing, University of Surrey,;AWE plc Aldermaston,

  • Venue:
  • Proceedings of the 5th international colloquium on Theoretical Aspects of Computing
  • Year:
  • 2008

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Abstract

CSP 驴 B is a formal approach to specification that combines CSP and B. In this paper we present our tool that automatically translates a subset of executable UML (xUML) models into CSP 驴 B, for the purpose of verification and increased validation at the early stages of a software engineering development lifecycle. The tool is being developed for our industrial collaborators, AWE plc, in order to strengthen their software engineering process which uses xUML. As part of this process, AWE and Kennedy Carter Ltd. have built an xUML to SPARK Ada code generator, which is also employed to contribute a higher level of safety assurance at the latter stages of the lifecycle. Our tool is based on a model-text transformation strategy that uses the xUML meta-model to map to CSP and B constructs. The tool generates machine readable CSP and B; we present a simple example to demonstrate the transformation strategy, and the analysis of the resulting specification.