Gurobi 5.0.1 (linux64) logging started Fri Nov 30 03:36:40 2012 Optimize a model with 100807 rows, 200344 columns and 600084 nonzeros Presolve time: 1.53s Presolved: 100807 rows, 200344 columns, 600084 nonzeros Variable types: 100172 continuous, 100172 integer (100172 binary) Found heuristic solution: objective 2351807.0000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 39009 6.9150200e+05 3.274488e+03 0.000000e+00 5s 62643 6.9150200e+05 2.472246e+03 0.000000e+00 10s 78697 6.9150200e+05 1.577682e+03 0.000000e+00 15s 89648 6.9150200e+05 1.932055e+03 0.000000e+00 20s 99215 6.9150200e+05 3.120811e+03 0.000000e+00 25s 103189 6.9150200e+05 1.735869e+03 0.000000e+00 32s 104718 6.9150200e+05 1.233254e+03 0.000000e+00 37s 106195 6.9150200e+05 1.180411e+03 0.000000e+00 40s 108249 6.9150200e+05 1.450039e+03 0.000000e+00 46s 110110 6.9150200e+05 1.439437e+03 0.000000e+00 51s 111801 6.9150200e+05 1.080316e+03 0.000000e+00 57s 113431 6.9150200e+05 6.949531e+02 0.000000e+00 61s 114995 6.9150200e+05 6.482845e+02 0.000000e+00 65s 124560 6.9150200e+05 1.098455e+02 0.000000e+00 70s 138563 6.9150200e+05 2.853634e+02 0.000000e+00 76s 144696 6.9150200e+05 7.268388e+01 0.000000e+00 80s 155205 6.9150200e+05 0.000000e+00 0.000000e+00 84s Root relaxation: objective 6.915020e+05, 155205 iterations, 84.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 691502.000 0 443 2351807.00 691502.000 70.6% - 390s H 0 0 691909.00000 691502.000 0.06% - 397s H 0 0 691502.00000 691502.000 0.0% - 417s Explored 0 nodes (411217 simplex iterations) in 417.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.915020000000e+05, best bound 6.915020000000e+05, gap 0.0%