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Reducing Quasi-Equal Clocks in Networks of Timed Automata
[chapter]
<span title="">2012</span>
<i title="Springer Berlin Heidelberg">
<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a>
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We introduce the novel notion of quasi-equal clocks and use it to improve the verification time of networks of timed automata. Intuitively, two clocks are quasi-equal if, during each run of the system, they have the same valuation except for those points in time where they are reset. We propose a transformation that takes a network of timed automata and yields a network of timed automata which has a smaller set of clocks and preserves properties up to those not comparing quasi-equal clocks. Our
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... experiments demonstrate that the verification time in three transformed real world examples is much lower compared to the original.
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