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avoid empty lemmas

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-05-15 16:44:27 -07:00
parent 40cc8c31e5
commit b2b4193afa
2 changed files with 2 additions and 1 deletions
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1
src/util/lp/nla_core.cpp
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@ -1625,6 +1625,7 @@ bool core::find_bfc_to_refine(const monomial* & m, factorization & bf){
}
void core::generate_simple_sign_lemma(const rational& sign, const monomial& m) {
add_empty_lemma();
SASSERT(sign == nla::rat_sign(product_value(m.vars())));
for (lpvar j : m.vars()) {
if (val(j).is_pos()) {