fixed #28 by addressing infeasible subproblems

Argonne-National-Laboratory · May 4, 2018 · 41bcf33 · 41bcf33
1 parent 4343b1b
commit 41bcf33
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Solver/Benders/SCIPconshdlrBenders.cpp b/src/Solver/Benders/SCIPconshdlrBenders.cpp
@@ -486,6 +486,10 @@ void SCIPconshdlrBenders::aggregateCuts(
 			isInfeasible = true;
 			break;
 		}
+
+		/** When some subproblems were primal infeasible, the rest are not solved. Then, just skip them. */
+		if (bdsub_->getStatus(i) == DSP_STAT_NOT_SOLVED)
+			break;
 
 		if (bdsub_->getStatus(i) != DSP_STAT_OPTIMAL)
 		{