Abstract
A runtime verification technique has been developed for CSP via translation of CSP models to Kripke structures. With this technique, we can check that a system under test satisfies properties of traces and refusals of its CSP model. This complements analysis facilities available for CSP and for all languages with a CSP-based semantics: Safety-Critical Java, Simulink, SysML, and so on. Soundness of the verification depends on the soundness of the translation and on the traceability of the Kripke structure analysis back to the CSP models and to the property specifications. Here, we present a formalisation of soundness by unifying the semantics of the languages involved: normalised graphs used in CSP model checking, action systems, and Kripke structures. Our contributions are the unified semantic framework and the formal argument itself.
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Acknowledgements
The work of Ana Cavalcanti and Jim Woodcock is funded by the EPSRC grant EP/H017461/1 and the EU INTO-CPS. No new primary data were created during this study. The work of Wen-ling Huang and Jan Peleska is funded by the grant ITTCPS – Implementable Testing Theory for Cyber-physical Systems as part of the German Universities Excellence Initiative.
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Cavalcanti, A., Huang, Wl., Peleska, J., Woodcock, J. (2015). CSP and Kripke Structures. In: Leucker, M., Rueda, C., Valencia, F. (eds) Theoretical Aspects of Computing - ICTAC 2015. ICTAC 2015. Lecture Notes in Computer Science(), vol 9399. Springer, Cham. https://doi.org/10.1007/978-3-319-25150-9_29
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