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Animating and Model Checking B Specifications with Higher-Order Recursive Functions

Authors Michael Leuschel, Jens Bendisposto

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Michael Leuschel
Jens Bendisposto

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Michael Leuschel and Jens Bendisposto. Animating and Model Checking B Specifications with Higher-Order Recursive Functions. In Rigorous Methods for Software Construction and Analysis. Dagstuhl Seminar Proceedings, Volume 6191, pp. 1-3, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2006)


Real-life specifications often contain complicated functions. Animation and validation of such functions and specifications is very important. However, such functions pose a major challenge to animation and model checking. Earlier versions of ProB required that functions be explicitly expanded which is prohibitively expensive or impossible. The central idea of this new research is to compile such functions into symbolic closures which are only examined when the function is applied to some particular argument. This enables ProB to successfully animate and model check a new class of specifications, where animation is especially important due to the involved nature of the specification. We will illustrate this new approach on an industrial case study.
  • B-Method
  • Model Checking
  • Animation
  • Logic Programming
  • Visualization


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