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Intitulé:   
A game approach to determinize timed automata
du groupe Modélisation et Verification

Date 2011-06-30  11:30-12:30
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 will be presented at FoSSaCs'11 and TACAS'11. 
LieuSalle 076 
OrateurAmélie Stainer  
UrlINRIA Rennes 



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