Combination of abstractions in the ASTRÉE static analyzer

  • Authors:
  • Patrick Cousot;Radhia Cousot;Jérôme Feret;Laurent Mauborgne;Antoine Miné;David Monniaux;Xavier Rival

  • Affiliations:
  • École Normale Supérieure, Paris, France;Centre National de la Recherche Scientifique;École Normale Supérieure, Paris, France;École Normale Supérieure, Paris, France;École Normale Supérieure, Paris, France;École Normale Supérieure, Paris, France;Centre National de la Recherche Scientifique and École Normale Supérieure, Paris, France

  • Venue:
  • ASIAN'06 Proceedings of the 11th Asian computing science conference on Advances in computer science: secure software and related issues
  • Year:
  • 2006

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Abstract

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.