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On Expressiveness and Complexity in Real-Time Model Checking

机译:实时模型检查中的表现力和复杂性

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Metric Interval Temporal Logic (MITL) is a popular formalism for expressing real-time specifications. This logic achieves decidability by restricting the precision of timing constraints, in particular, by banning so-called punctual specifications. In this paper we introduce a significantly more expressive logic that can express a wide variety of punctual specifications, but whose model-checking problem has the same complexity as that of MITL. We conclude that for model checking the most commonly occurring specifications, such as invariance and bounded response, punctuality can be accommodated at no cost.
机译:度量间隔时间逻辑(MITL)是一种流行的形式,用于表示实时规范。该逻辑通过限制时序约束的精度,特别是通过禁止所谓的守时规范来实现可判定性。在本文中,我们介绍了一种表达能力更强的逻辑,它可以表达各种准时规范,但是其模型检查问题的复杂度与MITL相同。我们得出结论,对于模型检查最常见的规范(例如不变性和有限响应),守时性可以免费提供。

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