picosat - 960-1+b2 main

Despite the NP completeness of the satisfiabilty problem of Boolean formulas
(SAT), SAT solvers are often able to decide this problem in a reasonable time
frame. As all other NP complete problems are reducible to SAT, the solvers
have become a general purpose tool for this class of problems.
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PicoSAT is a SAT solver that turned out to be faster on industrial instances
than MiniSAT 2.0 and also can generate proofs and cores in memory.