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Conference Papers Year : 2007

Model checking the probabilistic pi-calculus

Abstract

We present an implementation of model checking for the probabilistic pi-calculus, a process algebra which supports modelling of concurrency, mobility and discrete probabilistic behaviour. Formal verification techniques for this calculus have clear applications in several domains, including mobile ad-hoc network protocols and random security protocols. Despite this, no implementation of automated verification exists. Building upon the (non-probabilistic) pi-calculus model checker MMC, we first show an automated procedure for constructing the Markov decision process representing a probabilistic pi-calculus process. This can then be verified using existing probabilistic model checkers such as PRISM. Secondly, we demonstrate how for a large class of systems a more efficient, compositional approach can be applied, which uses our extension of MMC on each parallel component of the system and then translates the results into a highlevel model description for the PRISM tool. The feasibility of our techniques is demonstrated through three case studies from the pi-calculus literature.
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Dates and versions

inria-00201069 , version 1 (23-12-2007)

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Gethin Norman, Catuscia Palamidessi, David Parker, Peng Wu. Model checking the probabilistic pi-calculus. 4th International Conference on the Quantitative Evaluation of SysTems (QEST), Sep 2007, Edinburgh, United Kingdom. pp.169-178, ⟨10.1109/QEST.2007.27⟩. ⟨inria-00201069⟩
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