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Assumption-Commitment Support for CSP Model Checking

Abstract : We present a simple formulation of Assumption-Commitment reasoning using CSP. In our formulation, an assumption-commitment style property of a process SYS takes the form COM [= SYS || ASS, for some 'assumption' and 'commitment' processes ASS and COM. We state some proof rules that allow us to derive assumption-commitment style properties of a composite system from corresponding properties of its components, given appropriate side conditions. Most of the rules have a superficially appealing `homomorphic' quality, in the sense that the overall assumption and commitment processes are composed similarly to the overall system. We also present a `non-homomorphic' rule that corresponds quite well to proof rules of established assumption-commitment theory. The antecedants and side conditions are expressed as refinements that can be checked separately by the refinement-style model checker FDR. Examples are given to illustrate application of our theory.
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https://hal.inria.fr/inria-00089499
Contributor : Stephan Merz <>
Submitted on : Friday, August 18, 2006 - 8:00:33 PM
Last modification on : Tuesday, December 19, 2006 - 2:21:00 PM
Long-term archiving on: : Tuesday, September 18, 2012 - 4:41:29 PM

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  • HAL Id : inria-00089499, version 1

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Nick Moffat, Michael Goldsmith. Assumption-Commitment Support for CSP Model Checking. Automatic Verification of Critical Systems, Sep 2006, Nancy/France, pp.104-119. ⟨inria-00089499⟩

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