Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:12:01 2013 Optimize a model with 1320 rows, 144120 columns and 288120 nonzeros Presolve time: 0.30s Presolved: 1320 rows, 144120 columns, 288120 nonzeros Variable types: 144000 continuous, 120 integer (120 binary) Root relaxation: objective 1.938907e+05, 5756 iterations, 0.31 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 193890.660 0 5 - 193890.660 - - 0s H 0 0 197229.00000 193890.660 1.69% - 0s 0 0 194016.422 0 5 197229.000 194016.422 1.63% - 1s H 0 0 195142.00000 194016.422 0.58% - 1s 0 0 194021.257 0 4 195142.000 194021.257 0.57% - 1s 0 0 194021.257 0 5 195142.000 194021.257 0.57% - 2s 0 0 194021.257 0 5 195142.000 194021.257 0.57% - 2s 0 0 194022.706 0 4 195142.000 194022.706 0.57% - 3s 0 0 194023.502 0 4 195142.000 194023.502 0.57% - 3s 0 0 194023.502 0 4 195142.000 194023.502 0.57% - 3s 0 0 194023.502 0 4 195142.000 194023.502 0.57% - 3s 0 0 194023.502 0 4 195142.000 194023.502 0.57% - 3s 0 2 194024.253 0 4 195142.000 194024.253 0.57% - 4s 4 6 194146.627 3 3 195142.000 194146.627 0.51% 134 5s * 23 20 19 195047.00000 194154.088 0.46% 99.3 6s H 41 29 194896.00000 194158.773 0.38% 92.5 7s * 42 29 17 194869.00000 194158.773 0.36% 91.8 7s H 47 20 194656.16667 194161.876 0.25% 86.9 7s H 48 16 194538.00000 194161.876 0.19% 88.3 7s H 50 16 194453.00000 194161.876 0.15% 86.8 7s * 54 10 11 194373.00000 194161.876 0.11% 82.9 7s * 62 6 7 194295.00000 194211.706 0.04% 82.0 8s Cutting planes: Implied bound: 152 Flow cover: 6 Explored 67 nodes (15401 simplex iterations) in 8.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.942950000000e+05, best bound 1.942950000000e+05, gap 0.0%