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Diagonal Constraints in Timed Automata: Forward Analysis of Timed Systems

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Formal Modeling and Analysis of Timed Systems (FORMATS 2005)

Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 3829))

Abstract

Timed automata (TA) are a widely used model for real-time systems. Several tools are dedicated to this model, and they mostly implement a forward analysis for checking reachability properties. Though diagonal constraints do not add expressive power to classical TA, the standard forward analysis algorithm is not correct for this model. In this paper we survey several approaches to handle diagonal constraints and propose a refinement-based method for patching the usual algorithm: erroneous traces found by the classical algorithm are analyzed, and used for refining the model.

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Author information

Authors and Affiliations

  1. LSV – CNRS & ENS Cachan, France

    Patricia Bouyer, François Laroussinie & Pierre-Alain Reynier

Authors
  1. Patricia Bouyer
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  2. François Laroussinie
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  3. Pierre-Alain Reynier
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Editor information

Editors and Affiliations

  1. Department of Information Technology, Uppsala University, P.O. Box 337, SE-751 05, Uppsala, Sweden

    Paul Pettersson

  2. Department of Information Technology, Uppsala University, Sweden

    Wang Yi

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Bouyer, P., Laroussinie, F., Reynier, PA. (2005). Diagonal Constraints in Timed Automata: Forward Analysis of Timed Systems. In: Pettersson, P., Yi, W. (eds) Formal Modeling and Analysis of Timed Systems. FORMATS 2005. Lecture Notes in Computer Science, vol 3829. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11603009_10

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  • DOI: https://doi.org/10.1007/11603009_10

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-30946-8

  • Online ISBN: 978-3-540-31616-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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