Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:46:21 2013 Optimize a model with 64960 rows, 64160 columns and 256160 nonzeros Presolve removed 80 rows and 0 columns Presolve time: 0.30s Presolved: 64880 rows, 64160 columns, 256080 nonzeros Variable types: 64080 continuous, 80 integer (80 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7881 6.9339109e+04 1.686366e+05 0.000000e+00 5s 9939 7.0521026e+04 1.560546e+04 0.000000e+00 10s 10442 7.0559163e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.055916e+04, 10442 iterations, 11.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 70559.1629 0 64 - 70559.1629 - - 11s H 0 0 136136.00000 70559.1629 48.2% - 16s 0 0 95846.0490 0 17 136136.000 95846.0490 29.6% - 32s H 0 0 120916.61548 95846.0490 20.7% - 32s H 0 0 107209.00000 95846.0490 10.6% - 32s 0 0 100080.432 0 6 107209.000 100080.432 6.65% - 36s 0 0 100460.078 0 6 107209.000 100460.078 6.30% - 37s H 0 0 105817.63718 100460.078 5.06% - 37s H 0 0 103907.00000 100460.078 3.32% - 37s H 0 0 101609.00000 100460.078 1.13% - 37s 0 0 100460.109 0 5 101609.000 100460.109 1.13% - 38s H 0 0 101330.01081 100460.109 0.86% - 40s H 0 0 101066.00000 100460.109 0.60% - 40s 0 2 100474.956 0 5 101066.000 100474.956 0.58% - 41s 14 3 101052.517 3 3 101066.000 100890.389 0.17% 464 45s Cutting planes: Gomory: 2 Implied bound: 76 Explored 27 nodes (32203 simplex iterations) in 46.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.010660000000e+05, best bound 1.010636453922e+05, gap 0.0023%