Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:37:00 2013 Optimize a model with 71568 rows, 70728 columns and 282408 nonzeros Presolve removed 84 rows and 0 columns Presolve time: 0.33s Presolved: 71484 rows, 70728 columns, 282324 nonzeros Variable types: 70644 continuous, 84 integer (84 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7953 7.2452806e+04 2.633903e+04 0.000000e+00 5s 9942 7.3436403e+04 2.972313e+02 0.000000e+00 10s 10202 7.3446874e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.344687e+04, 10202 iterations, 10.59 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 73446.8736 0 65 - 73446.8736 - - 11s H 0 0 133212.00000 73446.8736 44.9% - 17s 0 0 94533.2472 0 18 133212.000 94533.2472 29.0% - 34s H 0 0 127753.50319 94533.2472 26.0% - 34s H 0 0 111891.00000 94533.2472 15.5% - 35s 0 0 101193.229 0 9 111891.000 101193.229 9.56% - 40s 0 0 101561.991 0 7 111891.000 101561.991 9.23% - 41s H 0 0 111001.55327 101561.991 8.50% - 41s H 0 0 106002.00000 101561.991 4.19% - 41s H 0 0 102117.00000 101561.991 0.54% - 41s 0 0 101694.598 0 4 102117.000 101694.598 0.41% - 42s 0 2 101694.870 0 4 102117.000 101694.870 0.41% - 45s H 12 10 102067.92308 101721.784 0.34% 162 47s * 15 7 12 101972.00000 101721.784 0.25% 139 47s H 28 6 101930.00000 101779.563 0.15% 108 48s H 38 5 101928.00000 101848.687 0.08% 111 49s * 39 6 11 101901.00000 101848.687 0.05% 112 49s * 45 0 7 101861.00000 101861.000 0.0% 107 50s Cutting planes: Implied bound: 83 Explored 46 nodes (28934 simplex iterations) in 50.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.018610000000e+05, best bound 1.018610000000e+05, gap 0.0%