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Formal Semantics and Analysis of Timed Rebeca in Real-Time Maude

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Formal Techniques for Safety-Critical Systems (FTSCS 2013)

Abstract

The actor model is one of the main models for distributed computation. Timed Rebeca is a timed extension of the actor-based modeling language Rebeca. Although Rebeca is supported by a rich verification toolset, Timed Rebeca has not had an executable formal semantics, and has therefore had limited support for formal analysis. In this paper, we provide a formal semantics of Timed Rebeca in Real-Time Maude. We have automated the translation from Timed Rebeca to Real-Time Maude, allowing Timed Rebeca models to be automatically analyzed using Real-Time Maude’s reachability analysis tool and timed CTL model checker. This enables a formal model-based methodology which combines the convenience of intuitive modeling in Timed Rebeca with formal verification in Real-Time Maude. We illustrate this methodology with a collision avoidance protocol for wireless networks.

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Notes

  1. 1.

    In this paper we follow the Maude convention that variables are written with (only) capital letters, and do not show the variable declarations.

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Correspondence to Ramtin Khosravi .

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Sabahi-Kaviani, Z., Khosravi, R., Sirjani, M., Ölveczky, P.C., Khamespanah, E. (2014). Formal Semantics and Analysis of Timed Rebeca in Real-Time Maude. In: Artho, C., Ölveczky, P. (eds) Formal Techniques for Safety-Critical Systems. FTSCS 2013. Communications in Computer and Information Science, vol 419. Springer, Cham. https://doi.org/10.1007/978-3-319-05416-2_12

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  • DOI: https://doi.org/10.1007/978-3-319-05416-2_12

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