Proving the Equivalence of Microstep and Macrostep Semantics
TPHOLs '02 Proceedings of the 15th International Conference on Theorem Proving in Higher Order Logics
RTSS '03 Proceedings of the 24th IEEE International Real-Time Systems Symposium
Exact High Level WCET Analysis of Synchronous Programs by Symbolic State Space Exploration
DATE '03 Proceedings of the conference on Design, Automation and Test in Europe - Volume 1
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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.