Gurobi 5.0.1 (linux64) logging started Mon Dec 10 02:39:49 2012 Optimize a model with 5970 rows, 5940 columns and 22652 nonzeros Presolve removed 351 rows and 58 columns Presolve time: 0.03s Presolved: 5619 rows, 5882 columns, 21953 nonzeros Variable types: 5532 continuous, 350 integer (350 binary) Root relaxation: objective 1.224897e+05, 571 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 122489.718 0 23 - 122489.718 - - 0s H 0 0 126421.00000 122489.718 3.11% - 0s H 0 0 124031.00000 122489.718 1.24% - 0s 0 0 122723.065 0 34 124031.000 122723.065 1.05% - 0s 0 0 122792.264 0 36 124031.000 122792.264 1.00% - 0s 0 0 122793.070 0 38 124031.000 122793.070 1.00% - 0s 0 2 122793.766 0 38 124031.000 122793.766 1.00% - 0s H 60 57 123716.00000 122895.620 0.66% 5.3 0s H 114 93 123594.00000 122897.992 0.56% 5.4 0s * 147 114 67 123491.00000 122897.992 0.48% 5.1 0s H 173 135 123481.00000 122910.084 0.46% 4.8 0s * 221 160 69 123468.00000 122910.084 0.45% 4.6 0s H 283 150 123332.00000 122918.649 0.34% 4.4 0s * 284 148 46 123330.00000 122918.649 0.33% 4.4 0s H 1821 439 123299.00000 123100.941 0.16% 6.4 4s 2524 597 cutoff 30 123299.000 123129.483 0.14% 6.2 5s H 2927 620 123288.00000 123148.505 0.11% 6.1 5s * 2928 601 66 123282.00000 123148.505 0.11% 6.1 5s H 3311 522 123264.00000 123162.948 0.08% 6.1 5s Cutting planes: Gomory: 8 Cover: 1 Flow cover: 8 Explored 5104 nodes (28912 simplex iterations) in 8.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.232640000000e+05, best bound 1.232518712270e+05, gap 0.0098%