Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:20:51 2013 Optimize a model with 1034 rows, 88454 columns and 176814 nonzeros Presolve time: 0.15s Presolved: 1034 rows, 88454 columns, 176814 nonzeros Variable types: 88360 continuous, 94 integer (94 binary) Root relaxation: objective 1.290907e+05, 3807 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 129090.693 0 8 - 129090.693 - - 0s H 0 0 135709.00000 129090.693 4.88% - 0s H 0 0 131147.00000 129090.693 1.57% - 0s 0 0 129372.405 0 6 131147.000 129372.405 1.35% - 0s 0 0 129387.409 0 4 131147.000 129387.409 1.34% - 1s 0 0 129397.356 0 3 131147.000 129397.356 1.33% - 1s 0 0 129397.356 0 3 131147.000 129397.356 1.33% - 1s 0 0 129397.356 0 8 131147.000 129397.356 1.33% - 2s 0 0 129397.356 0 6 131147.000 129397.356 1.33% - 2s 0 0 129397.356 0 4 131147.000 129397.356 1.33% - 2s 0 0 129397.356 0 4 131147.000 129397.356 1.33% - 2s 0 0 129397.356 0 3 131147.000 129397.356 1.33% - 2s 0 2 129407.364 0 3 131147.000 129407.364 1.33% - 3s H 11 10 129835.00000 129532.143 0.23% 61.8 3s * 13 9 12 129821.00000 129532.143 0.22% 67.4 3s H 16 4 129675.00000 129561.575 0.09% 59.6 3s * 19 7 7 129669.00000 129561.575 0.08% 56.6 3s Cutting planes: Implied bound: 144 Flow cover: 1 Explored 28 nodes (9876 simplex iterations) in 4.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296690000000e+05, best bound 1.296610527754e+05, gap 0.0061%