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fix #3714

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-03 12:28:05 -07:00
parent f92c6ad170
commit bbc63cd5b5
1 changed files with 2 additions and 0 deletions
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2
src/smt/theory_utvpi_def.h
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@ -550,6 +550,7 @@ namespace smt {
} }
if (coeffs.size() == 2) { if (coeffs.size() == 2) {
// do not create an alias. // do not create an alias.
found_non_utvpi_expr(n);
return null_theory_var; return null_theory_var;
} }
for (expr* arg : *n) { for (expr* arg : *n) {
@ -572,6 +573,7 @@ namespace smt {
if (r.is_zero()) { if (r.is_zero()) {
v = get_zero(n); v = get_zero(n);
if (!ctx.e_internalized(n)) { if (!ctx.e_internalized(n)) {
found_non_utvpi_expr(n);
v = null_theory_var; v = null_theory_var;
} }
} }