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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Towards the Verification of Attributed Graph Transformation Systems
verfasst von : Barbara König, Vitali Kozioura
Erschienen in: Graph Transformations
Verlag: Springer Berlin Heidelberg
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We describe an approach for the verification of attributed graph transformation systems (AGTS). AGTSs are graph transformation systems where graphs are labelled over an algebra. We base our verification procedure on so-called approximated unfoldings combined with counterexample-guided abstraction refinement. Both techniques were originally developed for non-attributed systems. With respect to refinement we focus especially on detecting whether the spurious counterexample is caused by structural over-approximation or by an abstraction of the attributes which is too coarse. The technique is implemented in the verification tool
Augur 2
and a leader election protocol has been successfully verified.