Dynamic Causes for the Violation of Timed Reachability Properties

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2020
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Leue, Stefan
Schmid, Robert
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BERTRAND, Nathalie, ed., Nils JANSEN, ed.. Formal Modeling and Analysis of Timed Systems : 18th International Conference, FORMATS 2020 : Proceedings. Cham: Springer, 2020, pp. 127-143. Lecture Notes in Computer Science. 12288. ISSN 0302-9743. eISSN 1611-3349. ISBN 978-3-030-57627-1. Available under: doi: 10.1007/978-3-030-57628-8_8
Zusammenfassung

When a real-time model checker detects the violation of a timed reachability property for a given Timed Automata model it returns a counterexample, here referred to as a Timed Diagnostic Trace (TDT). In this paper, we present a TDT analysis that computes actual dynamic causes in terms of delay ranges that can be considered causal for the violation of the property. The determination of actual causes can help in system analysis as well as design space exploration. The causal analysis is based on counterfactual reasoning and encoded in linear real arithmetic. We apply an implementation of the analysis in the tool CaTiRA to a number of Timed Automata models taken from the literature.

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FORMATS 2020 : Formal Modeling and Analysis of Timed Systems : 18th International Conference, 1. Sept. 2020 - 3. Sept. 2020, Vienna, Austria
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ISO 690KÖLBL, Martin, Stefan LEUE, Robert SCHMID, 2020. Dynamic Causes for the Violation of Timed Reachability Properties. FORMATS 2020 : Formal Modeling and Analysis of Timed Systems : 18th International Conference. Vienna, Austria, 1. Sept. 2020 - 3. Sept. 2020. In: BERTRAND, Nathalie, ed., Nils JANSEN, ed.. Formal Modeling and Analysis of Timed Systems : 18th International Conference, FORMATS 2020 : Proceedings. Cham: Springer, 2020, pp. 127-143. Lecture Notes in Computer Science. 12288. ISSN 0302-9743. eISSN 1611-3349. ISBN 978-3-030-57627-1. Available under: doi: 10.1007/978-3-030-57628-8_8
BibTex
@inproceedings{Kolbl2020-08-25Dynam-50606,
  year={2020},
  doi={10.1007/978-3-030-57628-8_8},
  title={Dynamic Causes for the Violation of Timed Reachability Properties},
  number={12288},
  isbn={978-3-030-57627-1},
  issn={0302-9743},
  publisher={Springer},
  address={Cham},
  series={Lecture Notes in Computer Science},
  booktitle={Formal Modeling and Analysis of Timed Systems : 18th International Conference, FORMATS 2020 : Proceedings},
  pages={127--143},
  editor={Bertrand, Nathalie and Jansen, Nils},
  author={Kölbl, Martin and Leue, Stefan and Schmid, Robert}
}
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