Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:27:49 2013 Optimize a model with 1089 rows, 98109 columns and 196119 nonzeros Presolve time: 0.17s Presolved: 1089 rows, 98109 columns, 196119 nonzeros Variable types: 98010 continuous, 99 integer (99 binary) Root relaxation: objective 1.239049e+05, 3426 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 123904.920 0 7 - 123904.920 - - 0s H 0 0 133985.00000 123904.920 7.52% - 0s H 0 0 127186.00000 123904.920 2.58% - 0s 0 0 124300.953 0 6 127186.000 124300.953 2.27% - 0s 0 0 124394.470 0 6 127186.000 124394.470 2.19% - 1s 0 0 124474.914 0 6 127186.000 124474.914 2.13% - 1s 0 0 124481.739 0 5 127186.000 124481.739 2.13% - 1s 0 0 124485.095 0 6 127186.000 124485.095 2.12% - 1s 0 0 124496.517 0 6 127186.000 124496.517 2.11% - 1s 0 0 124497.611 0 6 127186.000 124497.611 2.11% - 2s 0 0 124497.945 0 5 127186.000 124497.945 2.11% - 2s 0 0 124497.945 0 5 127186.000 124497.945 2.11% - 2s H 0 0 125209.00000 124497.945 0.57% - 3s 0 0 124497.945 0 7 125209.000 124497.945 0.57% - 3s 0 0 124497.945 0 6 125209.000 124497.945 0.57% - 3s 0 0 124497.945 0 6 125209.000 124497.945 0.57% - 3s 0 0 124497.945 0 6 125209.000 124497.945 0.57% - 4s 0 0 124497.945 0 5 125209.000 124497.945 0.57% - 4s 0 0 124497.945 0 6 125209.000 124497.945 0.57% - 4s 0 0 124497.969 0 6 125209.000 124497.969 0.57% - 4s 0 0 124498.123 0 5 125209.000 124498.123 0.57% - 4s 0 2 124509.733 0 5 125209.000 124509.733 0.56% - 5s * 14 7 12 124824.00000 124718.519 0.08% 82.6 5s Cutting planes: Implied bound: 137 Flow cover: 11 Explored 28 nodes (8586 simplex iterations) in 6.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.248240000000e+05, best bound 1.248240000000e+05, gap 0.0%