Evènement pour le groupe Graphes et Logique


Date 2012-03-20  11:00-12:00
TitreA game approach to determinize timed automata 
RésuméTimed automata are frequently used to model real-time systems. Their determinization is a key issue for several validation problems. However, not all timed automata can be determinized, and determinizability itself is undecidable. In this talk, we will present a game-based algorithm which, given a timed automaton, tries to produce a language-equivalent deterministic timed automaton, otherwise a deterministic over-approximation. Our method subsumes two recent contributions: it is at once more general than a recent determinization procedure and more precise than the existing over-approximation algorithm. Then, we will explain how this method can be adapted to be usefull for test generation. This talk is a joint work with Nathalie Bertrand, Thierry Jéron and Moez Krichen. Papers have been presented at FoSSaCs'11 and TACAS'11. 
Lieusalle 76 
OrateurAmélie Stainer 
Emailamelie.stainer@inria.fr 
UrlINRIA 



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