Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:24:22 2013 Optimize a model with 89488 rows, 88548 columns and 353628 nonzeros Presolve removed 94 rows and 0 columns Presolve time: 0.43s Presolved: 89394 rows, 88548 columns, 353534 nonzeros Variable types: 88454 continuous, 94 integer (94 binary) Warning: Markowitz tolerance tightened to 0.03125 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9555 8.3763459e+04 1.562941e+04 0.000000e+00 5s 11085 8.4961969e+04 7.721970e+05 0.000000e+00 10s 12445 8.5526497e+04 1.858402e+04 0.000000e+00 15s 13252 8.5600994e+04 0.000000e+00 0.000000e+00 18s Root relaxation: objective 8.560099e+04, 13252 iterations, 17.85 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 85600.9944 0 75 - 85600.9944 - - 18s H 0 0 166727.00000 85600.9944 48.7% - 28s 0 0 118390.841 0 21 166727.000 118390.841 29.0% - 65s H 0 0 156418.00000 118390.841 24.3% - 68s 0 0 130401.247 0 7 156418.000 130401.247 16.6% - 79s H 0 0 145147.88800 130401.247 10.2% - 79s H 0 0 142670.00000 130401.247 8.60% - 79s 0 0 132598.821 0 3 142670.000 132598.821 7.06% - 82s H 0 0 136816.33218 132598.821 3.08% - 82s H 0 0 136298.00000 132598.821 2.71% - 82s H 0 0 132992.00000 132598.821 0.30% - 83s 0 0 132799.107 0 4 132992.000 132799.107 0.15% - 84s 0 2 132803.809 0 4 132992.000 132803.809 0.14% - 88s * 6 5 5 132932.00000 132833.690 0.07% 190 89s Cutting planes: Gomory: 2 Implied bound: 94 Explored 11 nodes (38769 simplex iterations) in 89.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.329320000000e+05, best bound 1.329320000000e+05, gap 0.0%