Technical Reports

The report FIMU-RS-2010-09

A Framework for Relating Timed Transition Systems and Preserving TCTL Model Checking

by Lasse Jacobsen, Morten Jacobsen, Mikael Moeller, Ji Srba, A full version of the paper presented at EPEW`10. August 2010, 34 pages.

FIMU-RS-2010-09. Available as Postscript, PDF.


Many formal translations between time dependent models have been proposed over the years. While some of them produce timed bisimilar models, others preserve only reachability or (weak) trace equivalence. We suggest a general framework for arguing when a translation preserves Timed Computation Tree Logic (TCTL) or its safety fragment. The framework works at the level of timed transition systems, making it independent of the modeling formalisms and applicable to many of the translations published in the literature. Finally, we present a novel translation from extended Timed-Arc Petri Nets to Networks of Timed Automata and using the framework argue that it preserves the full TCTL. The translation has been implemented in the verification tool TAPAAL.

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