Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:13:41 2013 Optimize a model with 87606 rows, 86676 columns and 346146 nonzeros Presolve removed 93 rows and 0 columns Presolve time: 0.42s Presolved: 87513 rows, 86676 columns, 346053 nonzeros Variable types: 86583 continuous, 93 integer (93 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9775 7.3702003e+04 9.564972e+04 0.000000e+00 5s 11623 7.4526717e+04 2.456404e+03 0.000000e+00 10s 12112 7.4563223e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 7.456322e+04, 12112 iterations, 11.55 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74563.2229 0 70 - 74563.2229 - - 12s H 0 0 135935.00000 74563.2229 45.1% - 21s H 0 0 108049.00000 74563.2229 31.0% - 67s 0 0 92244.7160 0 17 108049.000 92244.7160 14.6% - 89s H 0 0 107155.00000 92244.7160 13.9% - 90s 0 0 97938.1005 0 9 107155.000 97938.1005 8.60% - 97s 0 0 101102.883 0 8 107155.000 101102.883 5.65% - 100s 0 0 101681.336 0 5 107155.000 101681.336 5.11% - 102s 0 0 101961.193 0 2 107155.000 101961.193 4.85% - 103s H 0 0 106164.00000 101961.193 3.96% - 103s H 0 0 102369.00000 101961.193 0.40% - 105s 0 0 101961.193 0 55 102369.000 101961.193 0.40% - 115s 0 0 101961.193 0 11 102369.000 101961.193 0.40% - 141s 0 0 101961.193 0 7 102369.000 101961.193 0.40% - 144s 0 0 101961.193 0 7 102369.000 101961.193 0.40% - 147s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 150s 0 2 101973.125 0 2 102369.000 101973.125 0.39% - 152s H 3 2 102195.62338 102086.710 0.11% 317 153s H 7 1 102194.92308 102086.710 0.11% 168 153s * 9 1 9 102177.00000 102086.710 0.09% 150 153s Cutting planes: Implied bound: 71 Explored 11 nodes (54371 simplex iterations) in 153.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.021770000000e+05, best bound 1.021770000000e+05, gap 0.0%