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fix #3550

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-30 14:45:38 -07:00
parent fe81de6d39
commit 0ca5f59e35
1 changed files with 4 additions and 2 deletions
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6
src/smt/theory_arith_nl.h
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@ -823,9 +823,12 @@ bool theory_arith<Ext>::branch_nl_int_var(theory_var v) {
*/
template<typename Ext>
bool theory_arith<Ext>::is_monomial_linear(expr * m) const {
SASSERT(is_pure_monomial(m));
unsigned num_nl_vars = 0;
for (expr* arg : *to_app(m)) {
if (!get_context().e_internalized(arg))
return false;
theory_var _var = expr2var(arg);
if (!is_fixed(_var)) {
num_nl_vars++;
@ -846,8 +849,7 @@ template<typename Ext>
typename theory_arith<Ext>::numeral theory_arith<Ext>::get_monomial_fixed_var_product(expr * m) const {
SASSERT(is_pure_monomial(m));
numeral r(1);
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))
r *= lower_bound(_var).get_rational();