Algorithms for propositional model counting

  • Authors:
  • Marko Samer;Stefan Szeider

  • Affiliations:
  • Department of Computer Science, TU Darmstadt, Germany;Department of Computer Science, Durham University, UK

  • Venue:
  • Journal of Discrete Algorithms
  • Year:
  • 2010

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Abstract

We present algorithms for the propositional model counting problem #SAT. The algorithms utilize tree decompositions of certain graphs associated with the given CNF formula; in particular we consider primal, dual, and incidence graphs. We describe the algorithms coherently for a direct comparison and with sufficient detail for making an actual implementation reasonably easy. We discuss several aspects of the algorithms including worst-case time and space requirements.