Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:41 2013 Optimize a model with 950 rows, 25850 columns and 52050 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.13s Presolved: 850 rows, 25700 columns, 51400 nonzeros Variable types: 25500 continuous, 200 integer (200 binary) Root relaxation: objective 1.650739e+05, 2579 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s H 0 0 179473.27269 165073.856 8.02% - 0s 0 0 165203.867 0 3 179473.273 165203.867 7.95% - 0s 0 0 165240.329 0 2 179473.273 165240.329 7.93% - 0s 0 0 165256.580 0 2 179473.273 165256.580 7.92% - 0s 0 0 165266.353 0 2 179473.273 165266.353 7.92% - 0s 0 0 165276.627 0 2 179473.273 165276.627 7.91% - 0s 0 0 165280.597 0 2 179473.273 165280.597 7.91% - 0s 0 0 165284.164 0 2 179473.273 165284.164 7.91% - 0s 0 0 165301.041 0 2 179473.273 165301.041 7.90% - 0s 0 0 165320.530 0 2 179473.273 165320.530 7.89% - 0s 0 0 165329.784 0 2 179473.273 165329.784 7.88% - 0s 0 0 165331.335 0 2 179473.273 165331.335 7.88% - 0s 0 0 165334.578 0 2 179473.273 165334.578 7.88% - 0s 0 0 165335.829 0 2 179473.273 165335.829 7.88% - 0s 0 0 165339.228 0 2 179473.273 165339.228 7.88% - 0s 0 0 165340.430 0 2 179473.273 165340.430 7.87% - 0s 0 0 165344.653 0 2 179473.273 165344.653 7.87% - 1s 0 0 165346.188 0 2 179473.273 165346.188 7.87% - 1s 0 0 165350.313 0 2 179473.273 165350.313 7.87% - 1s 0 0 165352.310 0 2 179473.273 165352.310 7.87% - 1s 0 0 165355.280 0 2 179473.273 165355.280 7.87% - 1s 0 0 165356.709 0 2 179473.273 165356.709 7.87% - 1s 0 0 165358.239 0 2 179473.273 165358.239 7.86% - 1s 0 0 165359.364 0 2 179473.273 165359.364 7.86% - 1s 0 0 165360.823 0 2 179473.273 165360.823 7.86% - 1s 0 0 165360.826 0 2 179473.273 165360.826 7.86% - 1s 0 0 165361.155 0 2 179473.273 165361.155 7.86% - 1s 0 0 165361.155 0 2 179473.273 165361.155 7.86% - 1s 0 2 165364.473 0 2 179473.273 165364.473 7.86% - 1s * 9 5 9 165615.57936 165527.012 0.05% 31.4 1s Cutting planes: Flow cover: 37 Explored 14 nodes (3443 simplex iterations) in 1.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656155793615e+05, best bound 1.656155793615e+05, gap 0.0%