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working on reconciling perf for arithmetic solvers

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this update integrates inferences to smt.arith.solver=6 related to grobner basis computation and handling of div/mod axioms to reconcile performance with smt.arith.solver=2.

The default of smt.arth.nl.grobner_subs_fixed is changed to 1 to make comparison with solver=2 more direct.

The selection of cluster equalities for solver=6 was reconciled with how it is done for solver=2.
This commit is contained in:
Nikolaj Bjorner 2022-07-11 07:38:51 -07:00
parent 9d9414c111
commit b68af0c1e5
19 changed files with 357 additions and 282 deletions
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2
src/math/lp/nla_tangent_lemmas.cpp
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@ -186,7 +186,7 @@ tangents::tangents(core * c) : common(c) {}
void tangents::tangent_lemma() {
factorization bf(nullptr);
const monic* m = nullptr;
if (c().m_nla_settings.run_tangents() && c().find_bfc_to_refine(m, bf)) {
if (c().m_nla_settings.run_tangents && c().find_bfc_to_refine(m, bf)) {
lpvar j = m->var();
tangent_imp tangent(point(val(bf[0]), val(bf[1])), c().val(j), *m, bf, *this);
tangent();