Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:54:26 2013 Optimize a model with 946 rows, 74046 columns and 148006 nonzeros Presolve time: 0.12s Presolved: 946 rows, 74046 columns, 148006 nonzeros Variable types: 73960 continuous, 86 integer (86 binary) Root relaxation: objective 1.225100e+05, 3665 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 122509.992 0 8 - 122509.992 - - 0s H 0 0 126379.00000 122509.992 3.06% - 0s 0 0 122941.551 0 5 126379.000 122941.551 2.72% - 0s 0 0 123072.166 0 6 126379.000 123072.166 2.62% - 0s 0 0 123104.011 0 5 126379.000 123104.011 2.59% - 1s 0 0 123110.291 0 5 126379.000 123110.291 2.59% - 1s 0 0 123113.569 0 5 126379.000 123113.569 2.58% - 1s 0 0 123114.598 0 5 126379.000 123114.598 2.58% - 1s 0 0 123114.792 0 5 126379.000 123114.792 2.58% - 1s H 0 0 123676.00000 123114.792 0.45% - 2s 0 0 123114.792 0 5 123676.000 123114.792 0.45% - 2s 0 0 123114.792 0 5 123676.000 123114.792 0.45% - 2s 0 0 123170.554 0 4 123676.000 123170.554 0.41% - 2s 0 0 123175.058 0 4 123676.000 123175.058 0.41% - 2s 0 0 123177.115 0 4 123676.000 123177.115 0.40% - 3s 0 0 123179.485 0 4 123676.000 123179.485 0.40% - 3s 0 0 123179.877 0 4 123676.000 123179.877 0.40% - 3s 0 0 123180.062 0 4 123676.000 123180.062 0.40% - 3s 0 2 123188.035 0 4 123676.000 123188.035 0.39% - 3s H 2 2 123548.55357 123270.210 0.23% 128 3s * 8 5 8 123417.00000 123291.785 0.10% 81.5 4s Cutting planes: Implied bound: 134 Flow cover: 5 Explored 17 nodes (8934 simplex iterations) in 4.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.234170000000e+05, best bound 1.234170000000e+05, gap 0.0%