From Biochemistry to Stochastic Processes
Electronic Notes in Theoretical Computer Science (ENTCS)
A biochemical approach to adaptive service ecosystems
Information Sciences: an International Journal
Translating Pi-calculus into LOTOS NT
IFM'10 Proceedings of the 8th international conference on Integrated formal methods
Refining dynamics of gene regulatory networks in a stochastic π-calculus framework
Transactions on computational systems biology XIII
From software verification to `everyware' verification
Computer Science - Research and Development
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We present an implementation of model checking for probabilistic and stochastic extensions of the π-calculus, a process algebra which supports modelling of concurrency and mobility. Formal verification techniques for such extensions have clear applications in several domains, including mobile ad-hoc network protocols, probabilistic security protocols and biological pathways. Despite this, no implementation of automated verification exists. Building upon the π-calculus model checker MMC, we first show an automated procedure for constructing the underlying semantic model of a probabilistic or stochastic π-calculus process. This can then be verified using existing probabilistic model checkers such as PRISM. Secondly, we demonstrate how for processes of a specific structure a more efficient, compositional approach is applicable, which uses our extension of MMC on each parallel component of the system and then translates the results into a high-level modular description for the PRISM tool. The feasibility of our techniques is demonstrated through a number of case studies from the π-calculus literature.