Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:11:25 2013 Optimize a model with 1320 rows, 144120 columns and 288120 nonzeros Presolve time: 0.31s Presolved: 1320 rows, 144120 columns, 288120 nonzeros Variable types: 144000 continuous, 120 integer (120 binary) Root relaxation: objective 1.567569e+05, 4746 iterations, 0.26 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 156756.897 0 7 - 156756.897 - - 0s H 0 0 173017.00000 156756.897 9.40% - 0s 0 0 156958.718 0 6 173017.000 156958.718 9.28% - 1s H 0 0 172351.14957 156958.718 8.93% - 1s H 0 0 171653.00000 156958.718 8.56% - 1s 0 0 156996.989 0 5 171653.000 156996.989 8.54% - 1s H 0 0 171517.00000 156996.989 8.47% - 1s 0 0 157012.413 0 5 171517.000 157012.413 8.46% - 2s H 0 0 171377.00000 157012.413 8.38% - 2s 0 0 157015.532 0 4 171377.000 157015.532 8.38% - 2s H 0 0 168991.87083 157015.532 7.09% - 2s H 0 0 168205.00000 157015.532 6.65% - 2s 0 0 157016.178 0 3 168205.000 157016.178 6.65% - 2s H 0 0 161672.12904 157016.178 2.88% - 2s H 0 0 161118.00000 157016.178 2.55% - 2s 0 0 157016.178 0 3 161118.000 157016.178 2.55% - 2s H 0 0 161112.00000 157016.178 2.54% - 2s H 0 0 160871.00000 157016.178 2.40% - 3s H 0 0 160036.00000 157016.178 1.89% - 3s 0 0 157016.178 0 7 160036.000 157016.178 1.89% - 4s 0 0 157016.178 0 5 160036.000 157016.178 1.89% - 4s 0 0 157016.178 0 6 160036.000 157016.178 1.89% - 5s 0 0 157016.178 0 5 160036.000 157016.178 1.89% - 5s 0 0 157016.178 0 3 160036.000 157016.178 1.89% - 5s 0 0 157016.178 0 3 160036.000 157016.178 1.89% - 5s 0 0 157016.178 0 3 160036.000 157016.178 1.89% - 5s 0 2 157050.456 0 3 160036.000 157050.456 1.87% - 6s H 5 5 159465.00000 157165.073 1.44% 129 7s H 11 11 158407.60000 157184.156 0.77% 119 8s H 13 12 157698.27273 157184.156 0.33% 111 8s * 21 13 14 157685.00000 157184.156 0.32% 86.4 8s * 38 22 16 157583.00000 157242.379 0.22% 62.5 9s * 66 26 11 157496.00000 157295.390 0.13% 50.9 9s 72 22 cutoff 5 157496.000 157326.220 0.11% 51.7 10s H 83 14 157457.44444 157369.000 0.06% 55.3 10s H 85 13 157455.00000 157369.000 0.05% 54.2 10s * 86 10 11 157433.00000 157369.000 0.04% 53.7 10s Cutting planes: Implied bound: 144 Flow cover: 9 Explored 96 nodes (14495 simplex iterations) in 10.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.574330000000e+05, best bound 1.574284666667e+05, gap 0.0029%