Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:47:41 2013 Optimize a model with 91390 rows, 90440 columns and 361190 nonzeros Presolve removed 95 rows and 0 columns Presolve time: 0.45s Presolved: 91295 rows, 90440 columns, 361095 nonzeros Variable types: 90345 continuous, 95 integer (95 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8962 8.2723716e+04 1.057590e+05 0.000000e+00 5s 10672 8.3788727e+04 9.619244e+04 0.000000e+00 11s 12211 8.4157159e+04 1.766459e+02 0.000000e+00 15s 12399 8.4161955e+04 0.000000e+00 0.000000e+00 16s Root relaxation: objective 8.416195e+04, 12399 iterations, 16.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 84161.9545 0 68 - 84161.9545 - - 17s H 0 0 150732.00000 84161.9545 44.2% - 30s H 0 0 123552.00000 84161.9545 31.9% - 76s H 0 0 122041.00000 84161.9545 31.0% - 84s 0 0 106154.228 0 30 122041.000 106154.228 13.0% - 111s 0 0 118187.711 0 8 122041.000 118187.711 3.16% - 128s 0 0 119401.792 0 8 122041.000 119401.792 2.16% - 131s 0 0 119478.761 0 4 122041.000 119478.761 2.10% - 132s 0 2 119502.555 0 4 122041.000 119502.555 2.08% - 135s H 7 5 120457.61111 119553.020 0.75% 388 138s H 9 6 119875.00000 119553.020 0.27% 347 138s * 11 5 11 119843.00000 119553.020 0.24% 301 139s 15 4 119646.158 1 4 119843.000 119646.158 0.16% 308 140s * 27 7 13 119830.00000 119646.158 0.15% 241 142s Cutting planes: Implied bound: 92 Explored 34 nodes (39687 simplex iterations) in 142.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.198300000000e+05, best bound 1.198292559594e+05, gap 0.0006%