A parametric analysis of the state-explosion problem in model checking

  • Authors:
  • S. Demri;F. Laroussinie;Ph. Schnoebelen

  • Affiliations:
  • Laboratoire Spécification et Vérification, CNRS & ÉÉcole Normale Supérieure de Cachan 61, avenue Président Wilson, 94235 Cachan Cedex, France;Laboratoire Spécification et Vérification, CNRS & ÉÉcole Normale Supérieure de Cachan 61, avenue Président Wilson, 94235 Cachan Cedex, France;Laboratoire Spécification et Vérification, CNRS & ÉÉcole Normale Supérieure de Cachan 61, avenue Président Wilson, 94235 Cachan Cedex, France

  • Venue:
  • Journal of Computer and System Sciences
  • Year:
  • 2006

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Abstract

In model checking, the state-explosion problem occurs when one checks a nonflat system, i.e., a system implicitly described as a synchronized product of elementary subsystems. In this paper, we investigate the complexity of a wide variety of model-checking problems for nonflat systems under the light of parameterized complexity, taking the number of synchronized components as a parameter. We provide precise complexity measures (in the parameterized sense) for most of the problems we investigate, and evidence that the results are robust.