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Efficient Emptiness Check for Timed Büchi Automata

By F. Herbreteau, B. Srivathsan and I. Walukiewicz


The Büchi non-emptiness problem for timed automata concerns deciding if a given automaton has an infinite non-Zeno run satisfying the Büchi accepting condition. The standard solution to this problem involves adding an auxiliary clock to take care of the non-Zenoness. In this paper, we show that this simple transformation may sometimes result in an exponential blowup. We propose a method avoiding this blowup

Year: 2010
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