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add __copy__, __deepcopy__ as alias to translate on same context #1427. Add generalized Gaussian elimination as an option to first-pass NL solver

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-01-01 17:11:43 -08:00
parent b78c538e02
commit 8dadd30db5
5 changed files with 32 additions and 7 deletions
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6
src/tactic/smtlogics/qfnra_tactic.cpp
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@ -33,7 +33,9 @@ static tactic * mk_qfnra_sat_solver(ast_manager& m, params_ref const& p, unsigne
}
tactic * mk_qfnra_tactic(ast_manager & m, params_ref const& p) {
params_ref p1 = p;
params_ref p0 = p;
p0.set_bool("inline_vars", true);
params_ref p1 = p;
p1.set_uint("seed", 11);
p1.set_bool("factor", false);
params_ref p2 = p;
@ -42,7 +44,7 @@ tactic * mk_qfnra_tactic(ast_manager & m, params_ref const& p) {
return and_then(mk_simplify_tactic(m, p),
mk_propagate_values_tactic(m, p),
or_else(try_for(mk_qfnra_nlsat_tactic(m, p), 5000),
or_else(try_for(mk_qfnra_nlsat_tactic(m, p0), 5000),
try_for(mk_qfnra_nlsat_tactic(m, p1), 10000),
mk_qfnra_sat_solver(m, p, 4),
and_then(try_for(mk_smt_tactic(), 5000), mk_fail_if_undecided_tactic()),