Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:56:50 2013 Optimize a model with 1023 rows, 86583 columns and 173073 nonzeros Presolve time: 0.15s Presolved: 1023 rows, 86583 columns, 173073 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root relaxation: objective 1.064567e+05, 2691 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 106456.703 0 8 - 106456.703 - - 0s H 0 0 114825.00000 106456.703 7.29% - 0s H 0 0 108770.00000 106456.703 2.13% - 0s 0 0 107037.419 0 6 108770.000 107037.419 1.59% - 0s 0 0 107037.419 0 8 108770.000 107037.419 1.59% - 1s 0 0 107043.731 0 6 108770.000 107043.731 1.59% - 1s 0 0 107057.739 0 4 108770.000 107057.739 1.57% - 1s 0 0 107069.580 0 5 108770.000 107069.580 1.56% - 1s 0 0 107073.258 0 2 108770.000 107073.258 1.56% - 1s H 0 0 108559.41509 107073.258 1.37% - 1s H 0 0 108069.00000 107073.258 0.92% - 1s 0 0 107073.258 0 2 108069.000 107073.258 0.92% - 1s 0 0 107073.258 0 2 108069.000 107073.258 0.92% - 2s 0 0 107073.268 0 3 108069.000 107073.268 0.92% - 2s H 0 0 107780.00000 107073.268 0.66% - 2s H 0 0 107257.00000 107073.268 0.17% - 2s 0 2 107077.013 0 2 107257.000 107077.013 0.17% - 2s Cutting planes: Implied bound: 89 Flow cover: 8 Explored 6 nodes (6787 simplex iterations) in 2.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072570000000e+05, best bound 1.072570000000e+05, gap 0.0%