Merged processes - A new condensed representation of Petri net behaviour

Khomenko, V; Kondratyev, A; Koutny, M; Vogler, W

doi:10.1007/11539452_27

Merged processes - A new condensed representation of Petri net behaviour

Lookup NU author(s): Dr Victor Khomenko, Professor Maciej Koutny ORCiD

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Abstract

Model checking based on Petri net unfoldings is an approach widely applied to cope with the state space explosion problem. In this paper we propose a new condensed representation of a Petri net's behaviour called merged processes, which copes well not only with concurrency, but also with other sources of state space explosion, viz. sequences of choices and non-safeness. Moreover, this representation is sufficiently similar to the traditional unfoldings, so that a large body of results developed for the latter can be re-used. Experimental results indicate that the proposed representation of a Petri net's behaviour alleviates the state space explosion problem to a significant degree and is suitable for model checking. © Springer-Verlag Berlin Heidelberg 2005.