Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:26:56 2013 Optimize a model with 924 rows, 70644 columns and 141204 nonzeros Presolve time: 0.11s Presolved: 924 rows, 70644 columns, 141204 nonzeros Variable types: 70560 continuous, 84 integer (84 binary) Root relaxation: objective 1.083223e+05, 3032 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 108322.323 0 10 - 108322.323 - - 0s H 0 0 118206.00000 108322.323 8.36% - 0s 0 0 108946.330 0 8 118206.000 108946.330 7.83% - 0s 0 0 109030.937 0 6 118206.000 109030.937 7.76% - 0s 0 0 109060.112 0 7 118206.000 109060.112 7.74% - 0s H 0 0 115523.00000 109060.112 5.59% - 0s 0 0 109072.319 0 6 115523.000 109072.319 5.58% - 1s H 0 0 115474.00000 109072.319 5.54% - 1s 0 0 109074.753 0 6 115474.000 109074.753 5.54% - 1s H 0 0 115451.00000 109074.753 5.52% - 1s 0 0 109074.753 0 6 115451.000 109074.753 5.52% - 1s 0 0 109075.237 0 5 115451.000 109075.237 5.52% - 1s H 0 0 115398.00000 109075.237 5.48% - 1s 0 0 109075.544 0 4 115398.000 109075.544 5.48% - 1s H 0 0 112662.71396 109075.544 3.18% - 1s H 0 0 111662.00000 109075.544 2.32% - 1s 0 0 109075.544 0 4 111662.000 109075.544 2.32% - 1s 0 0 109075.544 0 4 111662.000 109075.544 2.32% - 1s 0 2 109084.461 0 4 111662.000 109084.461 2.31% - 2s H 5 5 109921.53846 109199.295 0.66% 64.6 2s H 6 5 109670.94340 109199.295 0.43% 75.3 2s H 7 6 109555.23095 109199.295 0.32% 75.6 2s H 8 6 109509.80811 109199.295 0.28% 71.2 2s * 15 9 13 109419.00000 109199.295 0.20% 67.1 2s H 27 7 109332.00000 109254.744 0.07% 68.9 3s Cutting planes: Implied bound: 145 Flow cover: 5 Explored 37 nodes (5769 simplex iterations) in 3.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.093320000000e+05, best bound 1.093320000000e+05, gap 0.0%