Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:31:59 2013 Optimize a model with 1067 rows, 94187 columns and 188277 nonzeros Presolve time: 0.16s Presolved: 1067 rows, 94187 columns, 188277 nonzeros Variable types: 94090 continuous, 97 integer (97 binary) Root relaxation: objective 1.484192e+05, 4337 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 148419.155 0 9 - 148419.155 - - 0s H 0 0 160713.00000 148419.155 7.65% - 0s 0 0 148616.818 0 6 160713.000 148616.818 7.53% - 0s H 0 0 160399.00000 148616.818 7.35% - 0s 0 0 148646.106 0 4 160399.000 148646.106 7.33% - 1s H 0 0 155570.20297 148646.106 4.45% - 1s H 0 0 153035.00000 148646.106 2.87% - 1s 0 0 148652.320 0 4 153035.000 148652.320 2.86% - 1s H 0 0 152569.00000 148652.320 2.57% - 1s 0 0 148662.341 0 3 152569.000 148662.341 2.56% - 1s H 0 0 152229.00000 148662.341 2.34% - 1s 0 0 148666.438 0 5 152229.000 148666.438 2.34% - 1s 0 0 148676.035 0 3 152229.000 148676.035 2.33% - 1s H 0 0 152043.00000 148676.035 2.21% - 1s 0 0 148676.035 0 3 152043.000 148676.035 2.21% - 1s 0 0 148676.035 0 3 152043.000 148676.035 2.21% - 2s 0 0 148676.035 0 3 152043.000 148676.035 2.21% - 2s H 0 0 152021.00000 148676.035 2.20% - 2s 0 2 148677.789 0 3 152021.000 148677.789 2.20% - 2s H 8 8 151062.91304 148702.980 1.56% 36.1 3s H 9 9 149931.86408 148702.980 0.82% 32.8 3s H 10 8 148861.24272 148702.980 0.11% 33.5 3s H 11 8 148808.00000 148702.980 0.07% 32.4 3s * 16 9 14 148778.00000 148702.980 0.05% 27.9 3s H 36 6 148775.00000 148739.457 0.02% 30.0 3s * 38 4 7 148753.00000 148739.457 0.01% 29.7 3s Cutting planes: Implied bound: 94 Flow cover: 6 Explored 39 nodes (5899 simplex iterations) in 3.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.487530000000e+05, best bound 1.487394565217e+05, gap 0.0091%