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fix loop in equiv_monomials (#91)

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* fix loop in equiv_monomials

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fixes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-04-18 19:11:02 -07:00 • committed by Lev Nachmanson
parent e6561c983f
commit 7e67e1ce99
5 changed files with 26 additions and 16 deletions
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9
src/util/lp/nla_basics_lemmas.cpp
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@ -245,13 +245,14 @@ bool basics::basic_lemma(bool derived) {
return true;
if (derived)
return false;
c().init_rm_to_refine();
const auto& rm_ref = c().m_to_refine;
TRACE("nla_solver", tout << "rm_ref = "; print_vector(rm_ref, tout););
unsigned start = c().random();
for (unsigned j = rm_ref.size(); j-- > 0; ) {
const signed_vars& r = c().m_emons.canonical[(j + start) % rm_ref.size()];
SASSERT (!c().check_monomial(c().m_emons[r.var()]));
unsigned sz = rm_ref.size();
for (unsigned j = 0; j < sz; ++j) {
lpvar v = rm_ref[(j + start) % rm_ref.size()];
const signed_vars& r = c().m_emons.canonical[v];
SASSERT (!c().check_monomial(c().m_emons[v]));
basic_lemma_for_mon(r, derived);
}