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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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1
src/math/interval/dep_intervals.h
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@ -222,7 +222,6 @@ public:
template <enum with_deps_t wd>
void mul(const rational& r, const interval& a, interval& b) const {
if (r.is_zero()) return;
m_imanager.mul(r.to_mpq(), a, b);
if (wd == with_deps) {
auto lower_dep = a.m_lower_dep;