Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:31:30 2013 Optimize a model with 1067 rows, 94187 columns and 188277 nonzeros Presolve time: 0.16s Presolved: 1067 rows, 94187 columns, 188277 nonzeros Variable types: 94090 continuous, 97 integer (97 binary) Root relaxation: objective 1.269799e+05, 4026 iterations, 0.17 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 126979.859 0 8 - 126979.859 - - 0s H 0 0 137603.00000 126979.859 7.72% - 0s 0 0 127254.768 0 3 137603.000 127254.768 7.52% - 0s H 0 0 133377.51140 127254.768 4.59% - 0s H 0 0 133016.00000 127254.768 4.33% - 1s 0 0 127304.768 0 4 133016.000 127304.768 4.29% - 1s 0 0 127315.296 0 2 133016.000 127315.296 4.29% - 1s 0 0 127331.434 0 3 133016.000 127331.434 4.27% - 1s 0 0 127337.407 0 2 133016.000 127337.407 4.27% - 1s H 0 0 133014.00000 127337.407 4.27% - 1s 0 0 127337.407 0 2 133014.000 127337.407 4.27% - 1s 0 0 127338.121 0 2 133014.000 127338.121 4.27% - 1s H 0 0 132941.00000 127338.121 4.21% - 2s 0 0 127338.927 0 2 132941.000 127338.927 4.21% - 2s H 0 0 132915.00000 127338.927 4.20% - 2s 0 0 127338.927 0 2 132915.000 127338.927 4.20% - 2s 0 0 127339.291 0 2 132915.000 127339.291 4.19% - 2s 0 2 127341.620 0 2 132915.000 127341.620 4.19% - 3s H 2 2 132274.06106 127367.048 3.71% 57.5 3s H 3 3 130231.31579 127410.237 2.17% 67.3 3s H 4 4 130136.80105 127424.743 2.08% 99.0 3s H 6 6 129181.49107 127566.015 1.25% 145 3s H 8 5 127853.00000 127676.009 0.14% 135 3s H 9 4 127811.22222 127676.009 0.11% 129 3s * 12 4 9 127791.00000 127676.009 0.09% 102 3s Cutting planes: Implied bound: 100 Flow cover: 3 Explored 20 nodes (6214 simplex iterations) in 4.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277910000000e+05, best bound 1.277810770035e+05, gap 0.0078%