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exposed sat params

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-12-02 16:38:33 -08:00
parent 773f82a44c
commit 0934cb06d8
8 changed files with 111 additions and 87 deletions
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src/sat/sat_params.pyg Normal file
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def_module_params('sat',
export=True,
description='propositional SAT solver',
params=(max_memory_param(),
('phase', SYMBOL, 'caching', 'phase selection strategy: always_false, always_true, caching, random'),
('phase.caching.on', UINT, 400, 'phase caching on period (in number of conflicts)'),
('phase.caching.off', UINT, 100, 'phase caching off period (in number of conflicts)'),
('restart', SYMBOL, 'luby', 'restart strategy: luby or geometric'),
('restart.initial', UINT, 100, 'initial restart (number of conflicts)'),
('restart.factor', DOUBLE, 1.5, 'restart increment factor for geometric strategy'),
('random_freq', DOUBLE, 0.01, 'frequency of random case splits'),
('burst_search', UINT, 100, 'number of conflicts before first global simplification'),
('max_conflicts', UINT, UINT_MAX, 'maximum number of conflicts'),
('gc', SYMBOL, 'glue_psm', 'garbage collection strategy: psm, glue, glue_psm, dyn_psm'),
('gc.initial', UINT, 20000, 'learned clauses garbage collection frequence'),
('gc.increment', UINT, 500, 'increment to the garbage collection threshold'),
('gc.small_lbd', UINT, 3, 'learned clauses with small LBD are never deleted (only used in dyn_psm)'),
('gc.k', UINT, 7, 'learned clauses that are inactive for k gc rounds are permanently deleted (only used in dyn_psm)'),
('minimize_lemmas', BOOL, True, 'minimize learned clauses'),
('dyn_sub_res', BOOL, True, 'dynamic subsumption resolution for minimizing learned clauses')))