Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:29:55 2012 Optimize a model with 3255 rows, 3240 columns and 11824 nonzeros Presolve removed 386 rows and 110 columns Presolve time: 0.02s Presolved: 2869 rows, 3130 columns, 11023 nonzeros Variable types: 2789 continuous, 341 integer (341 binary) Root relaxation: objective 1.181400e+05, 496 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 118140.043 0 10 - 118140.043 - - 0s H 0 0 119625.00000 118140.043 1.24% - 0s H 0 0 119080.00000 118140.043 0.79% - 0s 0 0 118171.311 0 18 119080.000 118171.311 0.76% - 0s 0 0 118194.768 0 19 119080.000 118194.768 0.74% - 0s 0 0 118211.102 0 19 119080.000 118211.102 0.73% - 0s 0 0 118251.259 0 11 119080.000 118251.259 0.70% - 0s 0 0 118252.103 0 14 119080.000 118252.103 0.70% - 0s 0 0 118252.481 0 15 119080.000 118252.481 0.69% - 0s 0 0 118252.598 0 15 119080.000 118252.598 0.69% - 0s 0 0 118252.673 0 17 119080.000 118252.673 0.69% - 0s 0 2 118254.158 0 17 119080.000 118254.158 0.69% - 0s H 79 66 119000.67692 118274.970 0.61% 5.4 0s H 81 46 118457.00000 118274.970 0.15% 5.3 0s H 135 80 118447.00000 118280.583 0.14% 5.8 0s * 250 156 35 118444.00000 118288.036 0.13% 5.4 0s * 343 196 39 118426.00000 118300.416 0.11% 4.9 0s * 480 128 29 118366.00000 118306.681 0.05% 4.7 0s * 502 117 23 118364.00000 118309.984 0.05% 4.7 0s * 516 110 20 118360.00000 118313.626 0.04% 4.7 0s Cutting planes: Gomory: 2 Flow cover: 18 Explored 722 nodes (3787 simplex iterations) in 0.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.183600000000e+05, best bound 1.183481894555e+05, gap 0.0100%