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fix memory leak, add strengthening

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2018-09-03 16:56:07 -07:00
parent c39d7c8565
commit c8730daea7
7 changed files with 183 additions and 88 deletions
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src/sat/sat_params.pyg
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@ -42,8 +42,9 @@ def_module_params('sat',
('drat.check_sat', BOOL, False, 'build up internal trace, check satisfying model'),
('cardinality.solver', BOOL, True, 'use cardinality solver'),
('pb.solver', SYMBOL, 'solver', 'method for handling Pseudo-Boolean constraints: circuit (arithmetical circuit), sorting (sorting circuit), totalizer (use totalizer encoding), solver (use native solver)'),
('xor.solver', BOOL, False, 'use xor solver'),
('xor.solver', BOOL, False, 'use xor solver'),
('cardinality.encoding', SYMBOL, 'grouped', 'encoding used for at-most-k constraints: grouped, bimander, ordered, unate, circuit'),
('pb.resolve', SYMBOL, 'cardinality', 'resolution strategy for boolean algebra solver: cardinality, rounding'),
('local_search', BOOL, False, 'use local search instead of CDCL'),
('local_search_threads', UINT, 0, 'number of local search threads to find satisfiable solution'),
('local_search_mode', SYMBOL, 'wsat', 'local search algorithm, either default wsat or qsat'),