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add options to perform transitive reduction and add hyper binary clauses

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2017-11-27 10:53:22 -08:00
parent 15d8532d27
commit 62e3906957
9 changed files with 189 additions and 25 deletions
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1
src/sat/sat_params.pyg
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@ -41,6 +41,7 @@ def_module_params('sat',
('lookahead_search', BOOL, False, 'use lookahead solver'),
('lookahead.preselect', BOOL, False, 'use pre-selection of subset of variables for branching'),
('lookahead_simplify', BOOL, False, 'use lookahead solver during simplification'),
('lookahead_simplify.bca', BOOL, False, 'add learned binary clauses as part of lookahead simplification'),
('lookahead.global_autarky', BOOL, False, 'prefer to branch on variables that occur in clauses that are reduced'),
('lookahead.reward', SYMBOL, 'march_cu', 'select lookahead heuristic: ternary, heule_schur (Heule Schur), heuleu (Heule Unit), unit, or march_cu'),
('dimacs.inprocess.display', BOOL, False, 'display SAT instance in DIMACS format if unsolved after inprocess.max inprocessing passes')))