Locality-based abstractions

  • Authors:
  • Javier Esparza;Pierre Ganty;Stefan Schwoon

  • Affiliations:
  • Institut für Formale Methoden der Informatik, Universität Stuttgart;Département d'Informatique, Université Libre de Bruxelles;Institut für Formale Methoden der Informatik, Universität Stuttgart

  • Venue:
  • SAS'05 Proceedings of the 12th international conference on Static Analysis
  • Year:
  • 2005

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Abstract

We present locality-based abstractions, in which a set of states of a distributed system is abstracted to the collection of views that some observers have of the states. Special cases of locality-abstractions have been used in different contexts (planning, analysis of concurrent programs, concurrency theory). In this paper we give a general definition in the context of abstract interpretation, show that arbitrary locality-based abstractions are hard to compute in general, and provide two solutions to this problem. The solutions are evaluated in several case studies.