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Erschienen in:
2000 | OriginalPaper | Buchkapitel
Unfoldings of Unbounded Petri Nets
verfasst von : Parosh Aziz Abdulla, S. Purushothaman Iyer, Aletta Nylén
Erschienen in: Computer Aided Verification
Verlag: Springer Berlin Heidelberg
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Net unfoldings have attracted much attention as a powerful technique for combating state space explosion in model checking. The method has been applied to verification of 1-safe (finite) Petri nets, and more recently also to other classes of finite-state systems such as synchronous products of finite transition systems. We show how unfoldings can be extended to the context of infinite-state systems. More precisely, we apply unfoldings to get an efficient symbolic algorithm for checking safety properties of unbounded Petri nets. We demonstrate the advantages of our method by a number of experimental results.