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fix #2468, adding assignment phase heuristic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-08-10 15:24:42 -07:00
parent 42e21458ba
commit 9fa9aa09ff
19 changed files with 268 additions and 79 deletions
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3
src/smt/params/smt_params.h
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@ -39,7 +39,8 @@ enum phase_selection {
PS_CACHING_CONSERVATIVE,
PS_CACHING_CONSERVATIVE2, // similar to the previous one, but alternated default config from time to time.
PS_RANDOM,
PS_OCCURRENCE
PS_OCCURRENCE,
PS_THEORY
};
enum restart_strategy {

2
src/smt/params/smt_params_helper.pyg
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@ -10,7 +10,7 @@ def_module_params(module_name='smt',
('quasi_macros', BOOL, False, 'try to find universally quantified formulas that are quasi-macros'),
('restricted_quasi_macros', BOOL, False, 'try to find universally quantified formulas that are restricted quasi-macros'),
('ematching', BOOL, True, 'E-Matching based quantifier instantiation'),
('phase_selection', UINT, 3, 'phase selection heuristic: 0 - always false, 1 - always true, 2 - phase caching, 3 - phase caching conservative, 4 - phase caching conservative 2, 5 - random, 6 - number of occurrences'),
('phase_selection', UINT, 3, 'phase selection heuristic: 0 - always false, 1 - always true, 2 - phase caching, 3 - phase caching conservative, 4 - phase caching conservative 2, 5 - random, 6 - number of occurrences, 7 - theory'),
('restart_strategy', UINT, 1, '0 - geometric, 1 - inner-outer-geometric, 2 - luby, 3 - fixed, 4 - arithmetic'),
('restart_factor', DOUBLE, 1.1, 'when using geometric (or inner-outer-geometric) progression of restarts, it specifies the constant used to multiply the current restart threshold'),
('case_split', UINT, 1, '0 - case split based on variable activity, 1 - similar to 0, but delay case splits created during the search, 2 - similar to 0, but cache the relevancy, 3 - case split based on relevancy (structural splitting), 4 - case split on relevancy and activity, 5 - case split on relevancy and current goal, 6 - activity-based case split with theory-aware branching activity'),