Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:05:45 2013 Optimize a model with 82080 rows, 81180 columns and 324180 nonzeros Presolve removed 90 rows and 0 columns Presolve time: 0.40s Presolved: 81990 rows, 81180 columns, 324090 nonzeros Variable types: 81090 continuous, 90 integer (90 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9224 7.8248005e+04 1.446534e+04 0.000000e+00 5s 10854 7.9944829e+04 2.733527e+04 0.000000e+00 10s 12543 8.0438713e+04 0.000000e+00 0.000000e+00 15s Root relaxation: objective 8.043871e+04, 12543 iterations, 15.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 80438.7125 0 69 - 80438.7125 - - 16s H 0 0 154596.00000 80438.7125 48.0% - 25s 0 0 113458.504 0 25 154596.000 113458.504 26.6% - 46s H 0 0 135674.00000 113458.504 16.4% - 48s 0 0 122931.299 0 11 135674.000 122931.299 9.39% - 57s 0 0 125029.905 0 6 135674.000 125029.905 7.85% - 61s H 0 0 133614.97317 125029.905 6.43% - 61s H 0 0 132713.00000 125029.905 5.79% - 61s H 0 0 130591.80802 125029.905 4.26% - 63s H 0 0 126532.26596 125029.905 1.19% - 64s 0 2 125045.887 0 6 126532.266 125045.887 1.17% - 66s H 5 5 125777.39273 125149.502 0.50% 328 67s 15 11 125346.603 11 1 125777.393 125149.502 0.50% 270 70s H 18 10 125639.00000 125149.502 0.39% 232 70s H 19 9 125432.00000 125149.502 0.23% 223 70s * 32 6 28 125387.00000 125149.502 0.19% 172 72s 45 4 125371.105 7 2 125387.000 125326.154 0.05% 205 75s Cutting planes: Implied bound: 90 Explored 53 nodes (40606 simplex iterations) in 75.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.253870000000e+05, best bound 1.253870000000e+05, gap 0.0%