FORMATS-FTRTFT 2004 START ConferenceManager    

Modeling and Verification of a Fault-Tolerant Real-time Startup Protocol using Calendar Automata

Bruno Dutertre and Maria Sorea

Presented at Formal Modelling and Analysis of Timed Systems - Formal Techniques in Real-Time and Fault Tolerant System (FORMATS-FTRTFT 2004), Grenoble, France, September 22-24, 2004


We discuss the modeling and verification of real-time systems using the SAL model checker. A new modeling framework based on event calendars enables dense timed systems to be described without relying on continuously varying clocks. We present verification techniques that rely on induction and abstraction, and show how these techniques are efficiently supported by the SAL symbolic model-checking tools. The modeling and verification method is applied to the fault-tolerant real-time startup protocol used in the Timed Triggered Architecture.

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