Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:32:25 2013 Optimize a model with 1210 rows, 121110 columns and 242110 nonzeros Presolve time: 0.23s Presolved: 1210 rows, 121110 columns, 242110 nonzeros Variable types: 121000 continuous, 110 integer (110 binary) Root relaxation: objective 1.465417e+05, 4556 iterations, 0.23 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 146541.749 0 5 - 146541.749 - - 0s H 0 0 152074.00000 146541.749 3.64% - 0s H 0 0 148715.00000 146541.749 1.46% - 1s 0 0 146768.925 0 3 148715.000 146768.925 1.31% - 1s 0 0 146768.925 0 5 148715.000 146768.925 1.31% - 1s 0 0 146768.925 0 3 148715.000 146768.925 1.31% - 2s 0 0 146812.164 0 4 148715.000 146812.164 1.28% - 2s 0 0 146826.593 0 3 148715.000 146826.593 1.27% - 2s 0 0 146826.593 0 3 148715.000 146826.593 1.27% - 2s 0 0 146826.593 0 3 148715.000 146826.593 1.27% - 2s 0 0 146826.593 0 3 148715.000 146826.593 1.27% - 2s 0 0 146826.593 0 3 148715.000 146826.593 1.27% - 2s 0 2 146869.499 0 3 148715.000 146869.499 1.24% - 3s H 7 6 148261.00000 147321.624 0.63% 166 4s * 11 9 8 148001.00000 147321.624 0.46% 138 4s 27 6 cutoff 2 148001.000 147410.529 0.40% 124 5s * 39 2 5 147658.00000 147620.000 0.03% 113 5s Cutting planes: Implied bound: 192 Flow cover: 4 Explored 41 nodes (12696 simplex iterations) in 5.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.476580000000e+05, best bound 1.476507743656e+05, gap 0.0049%