Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:32:38 2013 Optimize a model with 792 rows, 51912 columns and 103752 nonzeros Presolve time: 0.08s Presolved: 792 rows, 51912 columns, 103752 nonzeros Variable types: 51840 continuous, 72 integer (72 binary) Root relaxation: objective 9.689518e+04, 2850 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 96895.1829 0 8 - 96895.1829 - - 0s H 0 0 103220.00000 96895.1829 6.13% - 0s 0 0 97486.7312 0 7 103220.000 97486.7312 5.55% - 0s H 0 0 103030.38520 97486.7312 5.38% - 0s H 0 0 101593.00000 97486.7312 4.04% - 0s 0 0 97623.4119 0 6 101593.000 97623.4119 3.91% - 0s H 0 0 101362.00000 97623.4119 3.69% - 0s 0 0 97628.4935 0 6 101362.000 97628.4935 3.68% - 0s H 0 0 99461.000000 97628.4935 1.84% - 0s 0 0 97628.5019 0 6 99461.0000 97628.5019 1.84% - 0s H 0 0 99418.000000 97628.5019 1.80% - 0s 0 0 97628.5019 0 6 99418.0000 97628.5019 1.80% - 0s H 0 0 98600.000000 97628.5019 0.99% - 1s 0 0 97628.5019 0 8 98600.0000 97628.5019 0.99% - 1s 0 0 97628.5019 0 6 98600.0000 97628.5019 0.99% - 1s 0 0 97628.5019 0 7 98600.0000 97628.5019 0.99% - 1s 0 0 97628.5019 0 6 98600.0000 97628.5019 0.99% - 1s 0 0 97628.5216 0 5 98600.0000 97628.5216 0.99% - 1s 0 0 97628.5216 0 5 98600.0000 97628.5216 0.99% - 1s 0 0 97628.5216 0 5 98600.0000 97628.5216 0.99% - 1s 0 2 97634.3122 0 5 98600.0000 97634.3122 0.98% - 2s H 6 5 98082.000000 97699.4832 0.39% 91.5 2s H 8 4 97840.981818 97699.4832 0.14% 74.4 2s * 11 4 10 97814.000000 97699.4832 0.12% 73.6 2s * 16 5 7 97782.000000 97734.3818 0.05% 65.8 2s Cutting planes: Implied bound: 139 Explored 20 nodes (7822 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.778200000000e+04, best bound 9.777712727273e+04, gap 0.0050%