A non-termination criterion for binary constraint logic programs

  • Authors:
  • Étienne Payet;Fred Mesnard

  • Affiliations:
  • Iremia-lim-université de la réunion, france (e-mail: epayet@univ-reunion.fr, fred@univ-reunion.fr;Iremia-lim-université de la réunion, france (e-mail: epayet@univ-reunion.fr, fred@univ-reunion.fr

  • Venue:
  • Theory and Practice of Logic Programming
  • Year:
  • 2009

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Abstract

On the one hand, termination analysis of logic programs is now a fairly established research topic within the logic programming community. On the other hand, non-termination analysis seems to remain a much less attractive subject. If we divide this line of research into two kinds of approaches, dynamic versus static analysis, this paper belongs to the latter. It proposes a criterion for detecting non-terminating atomic queries with respect to binary constraint logic programming (CLP) rules, which strictly generalizes our previous works on this subject. We give a generic operational definition and an implemented logical form of this criterion. Then we show that the logical form is correct and complete with respect to the operational definition.