Extending Synchronous Languages for Generating Abstract Real-Time Models

  • Authors:
  • G. Logothetis;K. Schneider

  • Affiliations:
  • University of Karlsruhe,Institute for Computer Design and Fault Tolerance (Prof. Dr.-Ing. D. Schmid), P.O. Box 6980, 76128 Karlsruhe, Germany;University of Karlsruhe,Institute for Computer Design and Fault Tolerance (Prof. Dr.-Ing. D. Schmid), P.O. Box 6980, 76128 Karlsruhe, Germany

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe
  • Year:
  • 2002

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Abstract

We present an extension of synchronous programming languagesthat can be used to declare program locations irrelevantfor verification. An efficient algorithm is proposedto generate from the output of the usual compilation anabstract real-time model by ignoring the irrelevant states,while retaining the quantitative information. Our techniquedirectly generates a single real-time transition system,thus overcoming the known problem of composing severalreal-time models. A major application of this approachis the verification of real-time properties by symbolic modelchecking.