Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:57:43 2013 Optimize a model with 1023 rows, 86583 columns and 173073 nonzeros Presolve time: 0.15s Presolved: 1023 rows, 86583 columns, 173073 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root relaxation: objective 1.018331e+05, 3005 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 101833.110 0 3 - 101833.110 - - 0s H 0 0 105427.00000 101833.110 3.41% - 0s 0 0 101919.300 0 2 105427.000 101919.300 3.33% - 0s 0 0 101938.973 0 3 105427.000 101938.973 3.31% - 0s 0 0 101950.826 0 2 105427.000 101950.826 3.30% - 0s 0 0 101960.308 0 3 105427.000 101960.308 3.29% - 1s 0 0 101961.193 0 2 105427.000 101961.193 3.29% - 1s 0 0 101961.193 0 2 105427.000 101961.193 3.29% - 1s 0 0 101961.193 0 2 105427.000 101961.193 3.29% - 1s 0 0 101961.193 0 2 105427.000 101961.193 3.29% - 1s H 0 0 102369.00000 101961.193 0.40% - 1s 0 0 101961.193 0 3 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 3 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 3 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 2s 0 0 101961.193 0 2 102369.000 101961.193 0.40% - 3s 0 2 101975.700 0 2 102369.000 101975.700 0.38% - 3s H 3 2 102225.00000 102161.412 0.06% 98.0 3s H 4 1 102201.00000 102161.412 0.04% 87.8 3s * 6 1 6 102177.00000 102161.412 0.02% 61.2 3s Cutting planes: Implied bound: 44 Flow cover: 4 Explored 8 nodes (5789 simplex iterations) in 3.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.021770000000e+05, best bound 1.021770000000e+05, gap 0.0%