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add smt lookahead

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-05-17 20:24:29 +03:00
parent dd4b8b9ff8
commit d2dcb39c11
11 changed files with 187 additions and 17 deletions
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1
src/solver/parallel_params.pyg
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@ -10,6 +10,7 @@ def_module_params('parallel',
('conquer.delay', UINT, 10, 'delay of cubes until applying conquer'),
('conquer.backtrack_frequency', UINT, 10, 'frequency to apply core minimization during conquer'),
('simplify.exp', DOUBLE, 1, 'restart and inprocess max is multiplied by simplify.exp ^ depth'),
('simplify.max_conflicts', UINT, UINT_MAX, 'maximal number of conflicts during simplifcation phase'),
('simplify.restart.max', UINT, 5000, 'maximal number of restarts during simplification phase'),
('simplify.inprocess.max', UINT, 2, 'maximal number of inprocessing steps during simplification'),
))

1
src/solver/parallel_tactic.cpp
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@ -297,6 +297,7 @@ class parallel_tactic : public tactic {
p.set_uint("restart.max", pp.simplify_restart_max() * mult);
p.set_bool("lookahead_simplify", true);
p.set_bool("retain_blocked_clauses", retain_blocked);
p.set_uint("max_conflicts", pp.simplify_max_conflicts());
if (m_depth > 1) p.set_uint("bce_delay", 0);
get_solver().updt_params(p);
}