Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:39:17 2013 Optimize a model with 803 rows, 53363 columns and 106653 nonzeros Presolve time: 0.08s Presolved: 803 rows, 53363 columns, 106653 nonzeros Variable types: 53290 continuous, 73 integer (73 binary) Root relaxation: objective 9.599269e+04, 2713 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 95992.6852 0 6 - 95992.6852 - - 0s H 0 0 103139.00000 95992.6852 6.93% - 0s 0 0 96309.5790 0 7 103139.000 96309.5790 6.62% - 0s 0 0 96417.4772 0 7 103139.000 96417.4772 6.52% - 0s 0 0 96542.9547 0 7 103139.000 96542.9547 6.40% - 0s 0 0 96607.0153 0 7 103139.000 96607.0153 6.33% - 0s 0 0 96629.2372 0 6 103139.000 96629.2372 6.31% - 0s 0 0 96639.1388 0 6 103139.000 96639.1388 6.30% - 0s H 0 0 103129.00000 96639.1388 6.29% - 1s 0 0 96641.4879 0 6 103129.000 96641.4879 6.29% - 1s 0 0 96643.1685 0 5 103129.000 96643.1685 6.29% - 1s H 0 0 102998.00000 96643.1685 6.17% - 1s 0 0 96643.1828 0 4 102998.000 96643.1828 6.17% - 1s H 0 0 102994.00000 96643.1828 6.17% - 1s 0 2 96648.2302 0 4 102994.000 96648.2302 6.16% - 1s H 2 2 102543.61997 96722.1732 5.68% 20.0 1s H 3 3 98388.981439 96733.5034 1.68% 35.7 1s H 7 7 97432.000000 96753.1701 0.70% 71.1 1s H 9 6 96994.000000 96753.1701 0.25% 104 2s * 11 6 9 96951.000000 96753.1701 0.20% 92.9 2s Cutting planes: Implied bound: 115 Flow cover: 5 Explored 25 nodes (5404 simplex iterations) in 2.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.695100000000e+04, best bound 9.695100000000e+04, gap 0.0%