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patch for issue #232

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-10-06 19:07:47 -07:00
parent 773f90f122
commit 6e852762ba
1 changed files with 7 additions and 0 deletions
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7
src/smt/theory_arith_aux.h
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@ -1593,6 +1593,13 @@ namespace smt {
TRACE("opt", tout << "after traversing row:\nx_i: v" << x_i << ", x_j: v" << x_j << ", gain: " << max_gain << "\n";
tout << "best efforts: " << best_efforts << " has shared: " << has_shared << "\n";);
if (x_j == null_theory_var && x_i == null_theory_var) {
has_shared = false;
best_efforts = 0;
result = UNBOUNDED;
break;
}
if (x_j == null_theory_var) {
TRACE("opt", tout << "row is " << (max ? "maximized" : "minimized") << "\n";
display_row(tout, r, true););