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fix #2585

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-25 18:57:45 -07:00
parent 2a1f05e7e8
commit 3dcfbb8347
2 changed files with 4 additions and 6 deletions
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8
src/smt/theory_arith_nl.h
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@ -811,15 +811,13 @@ namespace smt {
bool theory_arith<Ext>::is_monomial_linear(expr * m) const {
SASSERT(is_pure_monomial(m));
unsigned num_nl_vars = 0;
for (unsigned i = 0; i < to_app(m)->get_num_args(); i++) {
expr * arg = to_app(m)->get_arg(i);
for (expr* arg : *to_app(m)) {
theory_var _var = expr2var(arg);
if (!is_fixed(_var)) {
num_nl_vars++;
}
else {
if (lower_bound(_var).is_zero())
return true;
else if (lower_bound(_var).is_zero()) {
return true;
}
}
return num_nl_vars <= 1;