BerkMin: A fast and robust Sat-solver

  • Authors:
  • Eugene Goldberg;Yakov Novikov

  • Affiliations:
  • Cadence Berkeley Labs, USA;Infineon, Germany

  • Venue:
  • Discrete Applied Mathematics
  • Year:
  • 2007

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Abstract

We describe a SAT-solver, BerkMin, that inherits such features of GRASP, SATO, and Chaff as clause recording, fast BCP, restarts, and conflict clause ''aging''. At the same time BerkMin introduces a new decision-making procedure and a new method of clause database management. We experimentally compare BerkMin with Chaff, the leader among resolution-based SAT-solvers. Experiments show that our program is more robust than Chaff being able to solve more instances than Chaff in a reasonable amount of time.