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[KNP10b] M. Kwiatkowska, G. Norman and D. Parker. A Framework for Verification of Software with Time and Probabilities. In Proc. 8th International Conference on Formal Modelling and Analysis of Timed Systems (FORMATS'10), volume 6246 of LNCS, pages 25-45, Springer. September 2010. [pdf] [bib]
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Notes: The original publication is available at www.springerlink.com.
Abstract. Quantitative verification techniques are able to establish system properties such as "the probability of an airbag failing to deploy on demand'' or "the expected time for a network protocol to successfully send a message packet''. In this paper, we describe a framework for quantitative verification of software that exhibits both real-time and probabilistic behaviour. The complexity of real software, combined with the need to capture precise timing information, necessitates the use of abstraction techniques. We outline a quantitative abstraction refinement approach, which can be used to automatically construct and analyse abstractions of probabilistic, real-time programs. As a concrete example of the potential applicability of our framework, we discuss the challenges involved in applying it to the quantitative verification of SystemC, an increasingly popular system-level modelling language.

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