Hybrid on-the-fly LTL model checking with the sweep-line method

  • Authors:
  • Sami Evangelista;Lars Michael Kristensen

  • Affiliations:
  • LIPN -- Laboratoire d'Informatique de l'Université Paris Nord, Villetaneuse, France;Department of Computer Engineering, Bergen University College, Norway

  • Venue:
  • PETRI NETS'12 Proceedings of the 33rd international conference on Application and Theory of Petri Nets
  • Year:
  • 2012

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Abstract

The sweep-line method allows explicit state model checkers to delete states from memory on-the-fly during state space exploration thereby lowering the memory demands of the verification procedure. The sweep-line method is based on a least progress-first search order that prohibits the immediate use of standard on-the-fly LTL model checking algorithms that rely on a depth-first search order. This paper proposes and experimentally evaluates an algorithm for LTL model checking compatible with the search order prescribed by the sweep-line method.