FMCO'09 Proceedings of the 8th international conference on Formal methods for components and objects
Model-based mutation testing of hybrid systems
FMCO'09 Proceedings of the 8th international conference on Formal methods for components and objects
Fault-based generation of test cases from UML-Models: approach and some experiences
SAFECOMP'11 Proceedings of the 30th international conference on Computer safety, reliability, and security
The science of killing bugs in a black box
SBLP'12 Proceedings of the 16th Brazilian conference on Programming Languages
Model-based mutation testing of reactive systems: from semantics to automated test-case generation
Theories of Programming and Formal Methods
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Due to the combination of discrete events and continuous behavior the validation of hybrid systems is a challenging task. Nevertheless, as for other systems the correctness of such hybrid systems is a major concern. In this paper we present a new approach for verifying the input-output conformance of two hybrid systems. This approach can be used to generate mutation-based test cases. We specify a hybrid system within the framework of Qualitative Action Systems. Here, besides conventional discrete actions, the continuous dynamics of hybrid systems is described with so called qualitative actions. This paper then shows how labeled transition systems can be used to describe the trace semantics of Qualitative Action Systems. The labeled transition systems are used to verify the conformance between two Qualitative Action Systems. Finally, we present first experimental results on a water tank system.