Abstracting Time and Data for Conformance Testing of Real-Time Systems

Wilkerson L. Andrade 1 Patricia D. L. Machado 1 Thierry Jéron 2 Hervé Marchand 2
1 UFCG - Université Fédérale de Campina Grande [Brésil]
2 VERTECS - Verification models and techniques applied to testing and control of reactive systems
Inria Rennes – Bretagne Atlantique
Abstract : Current approaches to model-based conformance testing of real-time systems are mostly based either on fi- nite state machines/transition systems or on timed automata. However, most real-time systems manipulate data while being subject to time constraints. The usual solution consists in enumerating data values (in finite domains) while treating time symbolically, thus leading to the classical state explosion problem. This paper proposes a new model of real-time systems as an extension of both symbolic transition systems and timed automata, in order to handle both data and time requirements symbolically. We then adapt the tioco conformance testing the- ory to deal with this model and describe a test case generation process based on a combination of symbolic execution and constraint solving for the data part and symbolic analysis for timed aspects.
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Communication dans un congrès
7th Workshop on Advances in Model Based Testing A-MOST 2011, Mar 2011, Berlin, Germany. 2011
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Wilkerson L. Andrade, Patricia D. L. Machado, Thierry Jéron, Hervé Marchand. Abstracting Time and Data for Conformance Testing of Real-Time Systems. 7th Workshop on Advances in Model Based Testing A-MOST 2011, Mar 2011, Berlin, Germany. 2011. 〈hal-00646089〉

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