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add cube mode

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2017-09-24 10:53:57 -07:00
commit ae9a6664d4
144 changed files with 6012 additions and 3174 deletions
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7
src/sat/sat_params.pyg
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@ -34,8 +34,11 @@ def_module_params('sat',
('atmost1_encoding', SYMBOL, 'grouped', 'encoding used for at-most-1 constraints grouped, bimander, ordered'),
('local_search_threads', UINT, 0, 'number of local search threads to find satisfiable solution'),
('local_search', BOOL, False, 'use local search instead of CDCL'),
('lookahead_cube', BOOL, False, 'use lookahead solver to create cubes'),
('lookahead.cube.fraction', DOUBLE, 0.4, 'adaptive fraction to create lookahead cubes. Used when lookahead_cube is true'),
('lookahead.cube.cutoff', UINT, 0, 'cut-off depth to create cubes. Only enabled when non-zero. Used when lookahead_cube is true.'),
('lookahead_search', BOOL, False, 'use lookahead solver'),
('lookahead_simplify', BOOL, False, 'use lookahead solver during simplification'),
('lookahead.reward', SYMBOL, 'heuleu', 'select lookahead heuristic: ternary, hs (Heule Schur), heuleu (Heule Unit), or unit'),
('ccc', BOOL, False, 'use Concurrent Cube and Conquer solver')
))
('dimacs.display', BOOL, False, 'display SAT instance in DIMACS format and return unknown instead of solving')))