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International Conference on Integrated Formal Methods

IFM 2007: Integrated Formal Methods pp 54–74Cite as

Slicing Concurrent Real-Time System Specifications for Verification

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Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 4591))

Abstract

The high-level specification language CSP-OZ-DC has been shown to be well-suited for modelling and analysing industrially relevant concurrent real-time systems. It allows us to model each of the most important functional aspects such as control flow, data, and real-time requirements in adequate notations, maintaining a common semantic foundation for subsequent verification. Slicing on the other hand has become an established technique to complement the fight against state space explosion during verification which inherently accompanies increasing system complexity. In this paper, we exploit the special structure of CSP-OZ-DC specifications by extending the dependence graph—which usually serves as a basis for slicing—with several new types of dependencies, including timing dependencies derived from the specification’s DC part. Based on this we show how to compute a specification slice and prove correctness of our approach.

This work was partly supported by the German Research Council (DFG) as part of the Transregional Collaborative Research Center “Automatic Verification and Analysis of Complex Systems” (SFB/TR 14 AVACS, www.avacs.org).

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Authors and Affiliations

  1. Universität Oldenburg, Department Informatik, 26111 Oldenburg, Germany

    Ingo Brückner

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  1. Ingo Brückner
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Jim Davies Jeremy Gibbons

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Brückner, I. (2007). Slicing Concurrent Real-Time System Specifications for Verification. In: Davies, J., Gibbons, J. (eds) Integrated Formal Methods. IFM 2007. Lecture Notes in Computer Science, vol 4591. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73210-5_4

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  • DOI: https://doi.org/10.1007/978-3-540-73210-5_4

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-73209-9

  • Online ISBN: 978-3-540-73210-5

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