Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:08 2013 Optimize a model with 75 rows, 1275 columns and 2525 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 75 rows, 1274 columns, 2524 nonzeros Variable types: 1250 continuous, 24 integer (24 binary) Root relaxation: objective 8.792501e+05, 53 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 879250.087 0 19 - 879250.087 - - 0s H 0 0 1091874.1750 879250.087 19.5% - 0s H 0 0 1073245.7625 879250.087 18.1% - 0s 0 0 956633.160 0 11 1073245.76 956633.160 10.9% - 0s 0 0 972193.099 0 10 1073245.76 972193.099 9.42% - 0s 0 0 974944.306 0 7 1073245.76 974944.306 9.16% - 0s H 0 0 1054694.2875 974944.306 7.56% - 0s H 0 0 987319.95000 974944.306 1.25% - 0s 0 0 975632.661 0 7 987319.950 975632.661 1.18% - 0s H 0 0 975889.56250 975632.661 0.03% - 0s 0 0 975632.661 0 12 975889.562 975632.661 0.03% - 0s 0 0 975632.661 0 3 975889.562 975632.661 0.03% - 0s 0 0 975728.868 0 2 975889.562 975728.868 0.02% - 0s 0 0 cutoff 0 975889.562 975889.562 0.0% - 0s Cutting planes: Implied bound: 25 Flow cover: 5 Explored 0 nodes (247 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.758895625000e+05, best bound 9.758895625000e+05, gap 0.0000%