Gurobi 5.0.1 (linux64) logging started Sat Nov 17 10:08:53 2012 Optimize a model with 82319 rows, 60270 columns and 306003 nonzeros Presolve removed 508 rows and 4410 columns (presolve time = 5s) ... Presolve removed 510 rows and 4412 columns Presolve time: 6.76s Presolved: 81809 rows, 55858 columns, 299700 nonzeros Variable types: 0 continuous, 55858 integer (55858 binary) Found heuristic solution: objective 245.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 40355 2.9730949e+00 8.263311e+02 0.000000e+00 5s 48247 3.0001391e+00 2.524980e+03 0.000000e+00 10s 52485 3.0002520e+00 4.737919e+04 0.000000e+00 15s 55745 3.0002859e+00 1.797133e+03 0.000000e+00 20s 59005 3.0003084e+00 5.912943e+02 0.000000e+00 25s 62102 3.0003217e+00 8.525565e+02 0.000000e+00 30s 65199 3.0003303e+00 2.379309e+03 0.000000e+00 35s 68459 3.0003378e+00 2.446217e+02 0.000000e+00 40s 71556 3.0003427e+00 5.720342e+01 0.000000e+00 45s 74653 3.0003479e+00 2.007334e+02 0.000000e+00 50s 77587 3.0003523e+00 3.984748e+02 0.000000e+00 55s 80195 3.0003552e+00 1.380103e+02 0.000000e+00 60s 82966 3.0003587e+00 1.142340e+03 0.000000e+00 65s 85574 3.0003614e+00 9.873425e+01 0.000000e+00 70s 88345 3.0003648e+00 1.766546e+02 0.000000e+00 75s 91116 3.0003677e+00 2.489568e+02 0.000000e+00 80s 93398 3.0003694e+00 4.744703e+02 0.000000e+00 85s 95843 3.0003718e+00 2.908324e+02 0.000000e+00 90s 98125 3.0003737e+00 2.496228e+02 0.000000e+00 95s 100570 3.0003759e+00 2.611658e+01 0.000000e+00 100s 102852 3.0003777e+00 7.380712e+01 0.000000e+00 105s 105134 3.0003796e+00 4.424728e+01 0.000000e+00 110s 107416 3.0003813e+00 1.224067e+01 0.000000e+00 115s 109698 3.0003828e+00 1.010536e+01 0.000000e+00 120s 111817 3.0003845e+00 1.106042e+03 0.000000e+00 125s 114099 3.0003864e+00 6.549655e+01 0.000000e+00 130s 116381 3.0003880e+00 4.261003e+01 0.000000e+00 135s 118500 3.0003895e+00 3.431567e+01 0.000000e+00 140s 120782 3.0003915e+00 2.102526e+02 0.000000e+00 145s 123064 3.0003930e+00 7.504054e+01 0.000000e+00 150s 124302 3.0000000e+00 0.000000e+00 0.000000e+00 153s Root relaxation: objective 3.000000e+00, 124302 iterations, 152.61 seconds Total elapsed time = 238.16s Total elapsed time = 243.52s Total elapsed time = 245.73s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 264 245.00000 3.00000 98.8% - 246s H 0 0 3.0000000 3.00000 0.0% - 246s Explored 0 nodes (240678 simplex iterations) in 246.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%