Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:59:17 2013 Optimize a model with 1078 rows, 96138 columns and 192178 nonzeros Presolve time: 0.16s Presolved: 1078 rows, 96138 columns, 192178 nonzeros Variable types: 96040 continuous, 98 integer (98 binary) Root relaxation: objective 1.217261e+05, 3160 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 121726.076 0 6 - 121726.076 - - 0s H 0 0 125007.00000 121726.076 2.62% - 0s 0 0 121974.181 0 6 125007.000 121974.181 2.43% - 0s 0 0 121994.971 0 5 125007.000 121994.971 2.41% - 1s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 1s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 1s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 1s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 1s 0 0 121995.850 0 6 125007.000 121995.850 2.41% - 2s 0 0 121995.850 0 6 125007.000 121995.850 2.41% - 2s 0 0 121995.850 0 5 125007.000 121995.850 2.41% - 3s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 3s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 3s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 3s 0 0 121995.850 0 4 125007.000 121995.850 2.41% - 3s 0 2 122001.398 0 4 125007.000 122001.398 2.40% - 4s H 1 1 124231.24208 122001.398 1.79% 0.0 4s H 3 3 123745.24381 122106.034 1.32% 58.3 4s H 4 3 122246.00000 122106.314 0.11% 47.2 4s H 5 3 122212.71429 122135.106 0.06% 80.2 4s * 7 4 7 122198.00000 122135.106 0.05% 63.6 4s Cutting planes: Implied bound: 100 Flow cover: 1 Explored 12 nodes (7986 simplex iterations) in 4.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.221980000000e+05, best bound 1.221980000000e+05, gap 0.0%