Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:59:27 2013 Optimize a model with 990 rows, 81090 columns and 162090 nonzeros Presolve time: 0.13s Presolved: 990 rows, 81090 columns, 162090 nonzeros Variable types: 81000 continuous, 90 integer (90 binary) Root relaxation: objective 1.244538e+05, 4405 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124453.776 0 10 - 124453.776 - - 0s H 0 0 141614.00000 124453.776 12.1% - 0s 0 0 124875.235 0 7 141614.000 124875.235 11.8% - 0s H 0 0 136942.67470 124875.235 8.81% - 0s H 0 0 136151.00000 124875.235 8.28% - 0s 0 0 124971.868 0 8 136151.000 124971.868 8.21% - 1s 0 0 125017.254 0 6 136151.000 125017.254 8.18% - 1s 0 0 125022.482 0 7 136151.000 125022.482 8.17% - 1s 0 0 125022.719 0 7 136151.000 125022.719 8.17% - 1s 0 0 125029.226 0 7 136151.000 125029.226 8.17% - 1s H 0 0 132716.00000 125029.226 5.79% - 1s 0 0 125029.495 0 5 132716.000 125029.495 5.79% - 1s 0 0 125029.869 0 5 132716.000 125029.869 5.79% - 2s H 0 0 132677.00000 125029.869 5.76% - 2s 0 0 125029.905 0 6 132677.000 125029.905 5.76% - 2s 0 2 125032.815 0 6 132677.000 125032.815 5.76% - 3s H 5 5 127897.00234 125167.302 2.13% 96.4 3s H 14 14 126754.00000 125198.406 1.23% 103 4s H 15 13 126060.00000 125198.406 0.68% 98.3 4s * 17 13 14 125930.00000 125198.406 0.58% 94.4 4s H 27 15 125584.00000 125237.887 0.28% 88.3 4s 47 17 cutoff 9 125584.000 125274.956 0.25% 82.0 5s H 62 13 125432.00000 125275.604 0.12% 73.2 5s H 64 11 125409.00000 125275.604 0.11% 71.0 5s * 66 12 17 125392.00000 125275.604 0.09% 69.3 5s * 68 9 16 125387.00000 125275.604 0.09% 67.5 5s Cutting planes: Implied bound: 197 Flow cover: 15 Explored 79 nodes (9966 simplex iterations) in 5.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.253870000000e+05, best bound 1.253870000000e+05, gap 0.0%