Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:59:16 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 1.203388e+05, 3041 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120338.790 0 5 - 120338.790 - - 0s H 0 0 127423.00000 120338.790 5.56% - 0s 0 0 120939.521 0 5 127423.000 120939.521 5.09% - 0s 0 0 121089.880 0 5 127423.000 121089.880 4.97% - 0s 0 0 121119.704 0 6 127423.000 121119.704 4.95% - 1s 0 0 121162.418 0 4 127423.000 121162.418 4.91% - 1s 0 0 121181.350 0 5 127423.000 121181.350 4.90% - 1s 0 0 121189.613 0 5 127423.000 121189.613 4.89% - 1s 0 0 121191.310 0 4 127423.000 121191.310 4.89% - 1s 0 0 121191.310 0 4 127423.000 121191.310 4.89% - 1s 0 0 121195.837 0 5 127423.000 121195.837 4.89% - 2s 0 0 121197.704 0 4 127423.000 121197.704 4.89% - 2s 0 0 121197.704 0 4 127423.000 121197.704 4.89% - 2s 0 0 121199.174 0 4 127423.000 121199.174 4.88% - 2s 0 0 121199.901 0 4 127423.000 121199.901 4.88% - 2s H 0 0 123054.00000 121199.901 1.51% - 2s 0 2 121208.069 0 4 123054.000 121208.069 1.50% - 3s H 6 6 122032.00000 121427.586 0.50% 130 3s H 7 6 121708.00000 121427.586 0.23% 118 3s H 8 6 121687.00000 121427.586 0.21% 108 3s * 11 8 10 121624.00000 121427.586 0.16% 87.8 3s Cutting planes: Implied bound: 186 Flow cover: 4 Explored 27 nodes (5538 simplex iterations) in 4.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.216240000000e+05, best bound 1.216240000000e+05, gap 0.0%