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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Combination of Abstractions in the ASTRÉE Static Analyzer
verfasst von : Patrick Cousot, Radhia Cousot, Jérôme Feret, Laurent Mauborgne, Antoine Miné, David Monniaux, Xavier Rival
Erschienen in: Advances in Computer Science - ASIAN 2006. Secure Software and Related Issues
Verlag: Springer Berlin Heidelberg
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We describe the structure of the abstract domains in the
Astrée
static analyzer, their modular organization into a hierarchical network, their cooperation to over-approximate the conjunction/reduced product of different abstractions and to ensure termination using collaborative widenings and narrowings. This separation of the abstraction into a combination of cooperative abstract domains makes
Astrée
extensible, an essential feature to cope with false alarms and ultimately provide sound formal verification of the absence of runtime errors in very large software.