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fixes to new solver, add mode for using nlsat solver eagerly from nla_core

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Nikolaj Bjorner 2021-03-14 13:57:04 -07:00
parent 9a975a4523
commit 8412ecbdbf
22 changed files with 156 additions and 164 deletions
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3
src/smt/params/smt_params_helper.pyg
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@ -70,7 +70,8 @@ def_module_params(module_name='smt',
('arith.nl.grobner_max_simplified', UINT, 10000, 'grobner\'s maximum number of simplifications'),
('arith.nl.grobner_cnfl_to_report', UINT, 1, 'grobner\'s maximum number of conflicts to report'),
('arith.nl.gr_q', UINT, 10, 'grobner\'s quota'),
('arith.nl.grobner_subs_fixed', UINT, 2, '0 - no subs, 1 - substitute, 2 - substitute fixed zeros only'),
('arith.nl.grobner_subs_fixed', UINT, 2, '0 - no subs, 1 - substitute, 2 - substitute fixed zeros only'),
('arith.nl.delay', UINT, 10, 'number of calls to final check before invoking bounded nlsat check'),
('arith.propagate_eqs', BOOL, True, 'propagate (cheap) equalities'),
('arith.propagation_mode', UINT, 1, '0 - no propagation, 1 - propagate existing literals, 2 - refine finite bounds'),
('arith.reflect', BOOL, True, 'reflect arithmetical operators to the congruence closure'),

9
src/smt/theory_lra.cpp
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@ -879,16 +879,9 @@ public:
get_zero(true);
get_zero(false);
smt_params_helper lpar(ctx().get_params());
lp().updt_params(ctx().get_params());
lp().settings().set_resource_limit(m_resource_limit);
lp().settings().simplex_strategy() = static_cast<lp::simplex_strategy_enum>(lpar.arith_simplex_strategy());
lp().settings().bound_propagation() = bound_prop_mode::BP_NONE != propagation_mode();
lp().settings().enable_hnf() = lpar.arith_enable_hnf();
lp().settings().print_external_var_name() = lpar.arith_print_ext_var_names();
lp().set_track_pivoted_rows(lpar.arith_bprop_on_pivoted_rows());
lp().settings().report_frequency = lpar.arith_rep_freq();
lp().settings().print_statistics = lpar.arith_print_stats();
lp().settings().cheap_eqs() = lpar.arith_propagate_eqs();
// todo : do not use m_arith_branch_cut_ratio for deciding on cheap cuts
unsigned branch_cut_ratio = ctx().get_fparams().m_arith_branch_cut_ratio;