Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:39:27 2013 Optimize a model with 880 rows, 64080 columns and 128080 nonzeros Presolve time: 0.10s Presolved: 880 rows, 64080 columns, 128080 nonzeros Variable types: 64000 continuous, 80 integer (80 binary) Root relaxation: objective 9.534157e+04, 2659 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 95341.5682 0 5 - 95341.5682 - - 0s H 0 0 98186.000000 95341.5682 2.90% - 0s 0 0 95601.4989 0 3 98186.0000 95601.4989 2.63% - 0s H 0 0 96931.504155 95601.4989 1.37% - 0s H 0 0 96734.000000 95601.4989 1.17% - 0s 0 0 95636.9474 0 3 96734.0000 95636.9474 1.13% - 0s 0 0 95639.3580 0 3 96734.0000 95639.3580 1.13% - 0s H 0 0 96729.000000 95639.3580 1.13% - 0s 0 0 95640.7098 0 3 96729.0000 95640.7098 1.13% - 0s 0 0 95641.7530 0 4 96729.0000 95641.7530 1.12% - 0s 0 0 95648.2104 0 3 96729.0000 95648.2104 1.12% - 0s 0 0 95650.1110 0 3 96729.0000 95650.1110 1.12% - 1s 0 0 95650.8982 0 3 96729.0000 95650.8982 1.11% - 1s 0 0 95652.1465 0 4 96729.0000 95652.1465 1.11% - 1s H 0 0 95758.000000 95652.1465 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 1s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 2s 0 0 95652.6818 0 4 95758.0000 95652.6818 0.11% - 2s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 2s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 2s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 2s 0 0 95652.6818 0 4 95758.0000 95652.6818 0.11% - 2s 0 0 95652.6818 0 3 95758.0000 95652.6818 0.11% - 2s 0 0 95653.6105 0 4 95758.0000 95653.6105 0.11% - 2s 0 0 95654.4253 0 3 95758.0000 95654.4253 0.11% - 2s 0 0 95654.4253 0 3 95758.0000 95654.4253 0.11% - 2s 0 0 95662.0287 0 3 95758.0000 95662.0287 0.10% - 2s 0 0 95663.5791 0 2 95758.0000 95663.5791 0.10% - 2s 0 0 95663.6444 0 1 95758.0000 95663.6444 0.10% - 2s 0 1 95671.6800 0 1 95758.0000 95671.6800 0.09% - 2s * 1 0 1 95736.000000 95736.0000 0.0% 113 2s Cutting planes: Implied bound: 78 Flow cover: 2 Explored 2 nodes (5178 simplex iterations) in 2.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.573600000000e+04, best bound 9.573600000000e+04, gap 0.0%