Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:10:03 2013 Optimize a model with 1056 rows, 92256 columns and 184416 nonzeros Presolve time: 0.16s Presolved: 1056 rows, 92256 columns, 184416 nonzeros Variable types: 92160 continuous, 96 integer (96 binary) Root relaxation: objective 1.202438e+05, 3826 iterations, 0.17 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120243.825 0 5 - 120243.825 - - 0s H 0 0 122763.00000 120243.825 2.05% - 0s 0 0 120461.940 0 4 122763.000 120461.940 1.87% - 0s 0 0 120469.996 0 4 122763.000 120469.996 1.87% - 1s 0 0 120470.636 0 4 122763.000 120470.636 1.87% - 1s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 1s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 1s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 1s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 1s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 1s 0 0 120471.883 0 5 122763.000 120471.883 1.87% - 2s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 2s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 3s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 3s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 3s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 3s 0 0 120471.883 0 4 122763.000 120471.883 1.87% - 3s 0 2 120481.277 0 4 122763.000 120481.277 1.86% - 4s H 4 4 121368.00000 120531.424 0.69% 56.0 4s H 7 6 121173.00000 120531.758 0.53% 52.0 4s H 12 8 120774.00000 120531.758 0.20% 47.4 4s H 13 9 120760.00000 120531.758 0.19% 47.9 4s H 16 9 120738.00000 120531.758 0.17% 41.5 4s * 18 8 14 120712.00000 120531.758 0.15% 37.9 4s 23 8 120583.169 5 1 120712.000 120570.160 0.12% 43.7 5s * 34 3 5 120629.00000 120575.594 0.04% 52.9 5s Cutting planes: Implied bound: 80 Flow cover: 3 Explored 37 nodes (9948 simplex iterations) in 5.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.206290000000e+05, best bound 1.206290000000e+05, gap 0.0%