On Solving Temporal Logic Queries

  • Authors:
  • Samuel Hornus;Ph. Schnoebelen

  • Affiliations:
  • -;-

  • Venue:
  • AMAST '02 Proceedings of the 9th International Conference on Algebraic Methodology and Software Technology
  • Year:
  • 2002

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Abstract

Temporal query checking is an extension of temporal model checking where one asks what propositional formulae can be inserted in a temporal query (a temporal formula with a placeholder) so that the resulting formula is satisfied in the model at hand.We study the problem of computing all minimal solutions to a temporal query without restricting to so-called "valid" queries (queries guaranteed to have a unique minimal solution). While this problem is intractable in general, we show that deciding uniqueness of the minimal solution (and computing it) can be done in polynomial-time.