Towards efficient verification of systems with dynamic process creation

Abstract : Modelling and analysis of dynamic multi-threaded state systems often encounters obstacles when one wants to use automated verification methods, such as model checking. Our aim in this paper is to develop a technical device for coping with one such obstacle, namely that caused by dynamic process creation. We first introduce a general class of coloured Petri nets-not tied to any particular syntax or approach-allowing one to capture systems with dynamic (and concurrent) process creation as well as capable of manipulating data. Following this, we introduce the central notion of our method which is a marking equivalence that can be efficiently computed and then used, for instance, to aggregate markings in a reachability graph. In some situations, such an aggregation may produce a finite representation of an infinite state system which still allows one to establish the relevant behavioural properties. We show feasibility of the method on an example and provide initial experimental results.
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Hanna Klaudel, Maciej Koutny, Elisabeth Pelz, Franck Pommereau. Towards efficient verification of systems with dynamic process creation. [Research Report] LACL, Université Paris-Est. 2008. ⟨hal-02310226⟩

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