Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:20:15 2013 Optimize a model with 69886 rows, 69056 columns and 275726 nonzeros Presolve removed 83 rows and 0 columns Presolve time: 0.32s Presolved: 69803 rows, 69056 columns, 275643 nonzeros Variable types: 68973 continuous, 83 integer (83 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8271 7.3795871e+04 4.861619e+04 0.000000e+00 5s 10247 7.4654225e+04 5.178401e-01 0.000000e+00 10s 10260 7.4654338e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.465434e+04, 10260 iterations, 10.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74654.3384 0 69 - 74654.3384 - - 10s H 0 0 139074.00000 74654.3384 46.3% - 16s 0 0 98168.0005 0 18 139074.000 98168.0005 29.4% - 33s H 0 0 115484.00000 98168.0005 15.0% - 34s 0 0 102014.898 0 5 115484.000 102014.898 11.7% - 36s H 0 0 107763.89030 102014.898 5.33% - 36s H 0 0 107006.00000 102014.898 4.66% - 36s 0 0 102055.908 0 4 107006.000 102055.908 4.63% - 37s H 0 0 103403.00484 102055.908 1.30% - 37s H 0 0 102421.00000 102055.908 0.36% - 37s H 0 0 102286.00000 102055.908 0.22% - 37s 0 2 102056.303 0 4 102286.000 102056.303 0.22% - 38s 7 6 102150.591 6 3 102286.000 102128.454 0.15% 160 40s * 11 7 9 102237.00000 102128.454 0.11% 197 41s * 23 5 11 102211.00000 102193.455 0.02% 123 41s Cutting planes: Implied bound: 81 Explored 27 nodes (24303 simplex iterations) in 42.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.022110000000e+05, best bound 1.022109870317e+05, gap 0.0000%