Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:01:17 2013 Optimize a model with 902 rows, 67322 columns and 134562 nonzeros Presolve time: 0.10s Presolved: 902 rows, 67322 columns, 134562 nonzeros Variable types: 67240 continuous, 82 integer (82 binary) Root relaxation: objective 1.061421e+05, 2740 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 106142.103 0 13 - 106142.103 - - 0s H 0 0 115563.00000 106142.103 8.15% - 0s H 0 0 107803.00000 106142.103 1.54% - 0s 0 0 106738.642 0 10 107803.000 106738.642 0.99% - 0s 0 0 106828.733 0 10 107803.000 106828.733 0.90% - 0s 0 0 106846.342 0 9 107803.000 106846.342 0.89% - 0s 0 0 106855.868 0 8 107803.000 106855.868 0.88% - 1s 0 0 106860.240 0 8 107803.000 106860.240 0.87% - 1s 0 0 106865.344 0 7 107803.000 106865.344 0.87% - 1s 0 0 106872.288 0 9 107803.000 106872.288 0.86% - 1s 0 0 106874.956 0 9 107803.000 106874.956 0.86% - 1s 0 0 106875.125 0 9 107803.000 106875.125 0.86% - 1s H 0 0 107089.00000 106875.125 0.20% - 2s 0 0 106875.125 0 11 107089.000 106875.125 0.20% - 2s 0 0 106977.540 0 10 107089.000 106977.540 0.10% - 2s 0 0 107005.038 0 9 107089.000 107005.038 0.08% - 2s 0 0 107014.398 0 8 107089.000 107014.398 0.07% - 2s 0 0 107016.799 0 7 107089.000 107016.799 0.07% - 2s 0 0 107020.512 0 6 107089.000 107020.512 0.06% - 2s 0 0 107020.542 0 6 107089.000 107020.542 0.06% - 2s 0 0 107020.542 0 6 107089.000 107020.542 0.06% - 2s 0 0 107020.542 0 6 107089.000 107020.542 0.06% - 2s 0 0 107021.338 0 5 107089.000 107021.338 0.06% - 3s 0 2 107023.657 0 5 107089.000 107023.657 0.06% - 3s Cutting planes: Implied bound: 109 Flow cover: 5 Explored 10 nodes (6282 simplex iterations) in 3.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070890000000e+05, best bound 1.070805619048e+05, gap 0.0079%