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check for m.get_sort(lhs->get_owner()) == m.get_sort(rhs->get_owner()) in equality propagation

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-06-22 11:48:46 -07:00
parent 4b6ca6a10c
commit 6ced6995d0
2 changed files with 5 additions and 2 deletions
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3
src/smt/theory_lra.cpp
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@ -2423,7 +2423,8 @@ public:
theory_var vv = lp().local_to_external(v); // so maybe better to have them already transformed to external form
enode* n1 = get_enode(uv);
enode* n2 = get_enode(vv);
if (n1->get_root() == n2->get_root())
if (n1->get_root() == n2->get_root() ||
m.get_sort(n1->get_owner()) != m.get_sort(n2->get_owner()))
return;
reset_evidence();
for (auto const& ev : e)