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fix mixup between constraint indices and lpvar explanations fixes various newly reported unsoundness bugs

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-11 13:07:28 -07:00
parent 9c972521c4
commit 81b3c440ce
4 changed files with 40 additions and 24 deletions
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src/math/lp/nla_core.h
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@ -90,7 +90,6 @@ class new_lemma {
char const* name;
core& c;
lemma& current() const;
lp::explanation& expl() { return current().expl(); }
public:
new_lemma(core& c, char const* name);
@ -110,6 +109,8 @@ public:
new_lemma& explain_existing_upper_bound(lpvar j);
new_lemma& explain_separation_from_zero(lpvar j);
lp::explanation& expl() { return current().expl(); }
unsigned num_ineqs() const { return current().ineqs().size(); }
};