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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Mutation-Based Test Case Generation for Simulink Models
verfasst von : Angelo Brillout, Nannan He, Michele Mazzucchi, Daniel Kroening, Mitra Purandare, Philipp Rümmer, Georg Weissenbacher
Erschienen in: Formal Methods for Components and Objects
Verlag: Springer Berlin Heidelberg
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The Matlab/Simulink language has become the standard formalism for modeling and implementing control software in areas like avionics, automotive, railway, and process automation. Such software is often safety critical, and bugs have potentially disastrous consequences for people and material involved. We define a verification methodology to assess the correctness of Simulink programs by means of automated test-case generation. In the style of fault- and mutation-based testing, the coverage of a Simulink program by a test suite is defined in terms of the detection of injected faults. Using bounded model checking techniques, we are able to effectively and automatically compute test suites for given fault models. Several optimisations are discussed to make the approach practical for realistic Simulink programs and fault models, and to obtain accurate coverage measures.