Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:21:21 2013 Optimize a model with 89488 rows, 88548 columns and 353628 nonzeros Presolve removed 94 rows and 0 columns Presolve time: 0.44s Presolved: 89394 rows, 88548 columns, 353534 nonzeros Variable types: 88454 continuous, 94 integer (94 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 10169 8.2411283e+04 1.309206e+05 0.000000e+00 5s 11699 8.3521351e+04 7.569104e+04 0.000000e+00 10s 13229 8.3988509e+04 1.996909e+04 0.000000e+00 16s 13580 8.4008285e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 8.400829e+04, 13580 iterations, 16.68 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 84008.2853 0 77 - 84008.2853 - - 17s H 0 0 197931.00000 84008.2853 57.6% - 30s 0 0 117280.853 0 15 197931.000 117280.853 40.7% - 64s H 0 0 179181.97912 117280.853 34.5% - 64s H 0 0 160970.00000 117280.853 27.1% - 66s 0 0 133411.809 0 6 160970.000 133411.809 17.1% - 72s H 0 0 142249.60244 133411.809 6.21% - 72s H 0 0 138612.00000 133411.809 3.75% - 72s 0 0 133854.246 0 3 138612.000 133854.246 3.43% - 73s 0 0 133924.887 0 2 138612.000 133924.887 3.38% - 74s H 0 0 137406.62449 133924.887 2.53% - 74s H 0 0 136895.00000 133924.887 2.17% - 74s H 0 0 135228.00000 133924.887 0.96% - 75s 0 2 133928.465 0 2 135228.000 133928.465 0.96% - 77s H 5 5 134435.19231 134080.632 0.26% 491 79s 6 7 134208.336 5 1 134435.192 134080.632 0.26% 457 80s 30 12 134257.252 2 3 134435.192 134162.422 0.20% 305 85s * 51 7 7 134308.00000 134243.128 0.05% 216 86s Cutting planes: Gomory: 1 Implied bound: 93 Explored 58 nodes (47150 simplex iterations) in 87.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.343080000000e+05, best bound 1.342967123288e+05, gap 0.0084%