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On the Satisfiability of Metric Temporal Logics over the Reals

机译:度量时间逻辑对现实的可满足性

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We show that there is a satisfiability-preserving translation of QTL formulae interpreted over finitely variable behaviors into formulae of the CLTL-overclocks logic. The satisfiability of CLTL-over-clocks can be determined through a suitable encoding into the input logics of SMT solvers, so it constitutes an effective decision procedure for QTL. Although decision procedures for determining satisfiability of QTL (and for the expressively equivalent logics MITL and QMLO) already exist, the automata-based techniques they employ appear to be very difficult to realize in practice, and, to the best of our knowledge, no implementation currently exists for them. A prototype tool for QTL based on the encoding presented here has, instead, been implemented and is publicly available.
机译:我们表明,存在一个将满足要求的QTL公式转换为CLTL-overclocks逻辑的公式,该公式将对有限变量行为进行解释的QTL公式转换为。可以通过在SMT求解器的输入逻辑中进行适当的编码来确定CLTL时钟的可满足性,因此它构成了QTL的有效决策过程。尽管已经存在用于确定QTL可满足性的决策程序(以及用于表达等效逻辑MITL和QMLO的决策程序),但它们在实践中采用的基于自动机的技术似乎很难实现,并且据我们所知,没有实现目前为他们存在。取而代之的是,基于此处介绍的编码的QTL原型工具已实现并公开可用。

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