Minimizing Learned Clauses

Abstract Minimizing learned clauses is an effective technique to reduce memory usage and also speed up solving time. It has been implemented in MiniSat since 2005 and is now adopted by most modern SAT solvers in academia, even though it has not been described in the literature properly yet. With this paper we intend to close this gap and also provide a thorough experimental analysis of it’s effectiveness for the first time.

Authors

• Niklas Sörensson
• Armin Biere

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