Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:44:20 2013 Optimize a model with 85744 rows, 84824 columns and 338744 nonzeros Presolve removed 92 rows and 0 columns Presolve time: 0.42s Presolved: 85652 rows, 84824 columns, 338652 nonzeros Variable types: 84732 continuous, 92 integer (92 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9760 8.4016733e+04 3.040659e+05 0.000000e+00 5s 11420 8.5444473e+04 3.035848e+04 0.000000e+00 10s 13080 8.6287575e+04 1.306319e+05 0.000000e+00 15s 13893 8.6377819e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 8.637782e+04, 13893 iterations, 17.41 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 86377.8187 0 71 - 86377.8187 - - 18s H 0 0 174808.00000 86377.8187 50.6% - 38s 0 0 125872.396 0 23 174808.000 125872.396 28.0% - 71s H 0 0 160156.00000 125872.396 21.4% - 72s 0 0 139274.387 0 11 160156.000 139274.387 13.0% - 84s H 0 0 157568.00000 139274.387 11.6% - 84s 0 0 140723.305 0 5 157568.000 140723.305 10.7% - 86s H 0 0 152067.61929 140723.305 7.46% - 86s H 0 0 150471.00000 140723.305 6.48% - 86s H 0 0 147080.00000 140723.305 4.32% - 86s 0 0 140723.305 0 5 147080.000 140723.305 4.32% - 87s 0 2 140723.520 0 5 147080.000 140723.520 4.32% - 89s 2 4 140840.965 2 3 147080.000 140790.874 4.28% 347 90s H 3 3 144548.44951 140790.874 2.60% 231 90s H 6 6 141064.00000 140790.874 0.19% 500 92s 20 8 140956.291 3 2 141064.000 140843.947 0.16% 337 95s * 37 1 8 141032.00000 141032.000 0.0% 226 96s Cutting planes: Gomory: 1 Implied bound: 92 MIR: 1 Explored 38 nodes (43986 simplex iterations) in 96.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.410320000000e+05, best bound 1.410320000000e+05, gap 0.0%