Merge pull request #2663 from fwesselm/fix-2173-2

Fix 2173

Author: jajhall

check/TestMipSolver.cpp

@@ -1292,3 +1292,16 @@ TEST_CASE("issue-2585", "[highs_test_mip_solver]") {
   const double optimal_objective = -175.91;
   solve(highs, kHighsOnString, require_model_status, optimal_objective);
 }
+
+TEST_CASE("issue-2173", "[highs_test_mip_solver]") {
+  std::string filename =
+      std::string(HIGHS_DIR) + "/check/instances/issue-2173.mps";
+  Highs highs;
+  highs.setOptionValue("output_flag", dev_run);
+  highs.setOptionValue("mip_rel_gap", 0);
+  highs.setOptionValue("mip_abs_gap", 0);
+  highs.readModel(filename);
+  const HighsModelStatus require_model_status = HighsModelStatus::kOptimal;
+  const double optimal_objective = -26770.8075489;
+  solve(highs, kHighsOnString, require_model_status, optimal_objective);
+}