Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:59:01 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 1.218155e+05, 3198 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 121815.500 0 8 - 121815.500 - - 0s H 0 0 127895.00000 121815.500 4.75% - 0s 0 0 122238.761 0 7 127895.000 122238.761 4.42% - 0s H 0 0 123852.00000 122238.761 1.30% - 0s 0 0 122275.187 0 5 123852.000 122275.187 1.27% - 1s 0 0 122275.187 0 8 123852.000 122275.187 1.27% - 1s 0 0 122275.187 0 7 123852.000 122275.187 1.27% - 1s 0 0 122276.614 0 6 123852.000 122276.614 1.27% - 2s 0 0 122280.614 0 7 123852.000 122280.614 1.27% - 2s 0 0 122281.269 0 5 123852.000 122281.269 1.27% - 2s 0 0 122281.269 0 5 123852.000 122281.269 1.27% - 2s 0 0 122281.269 0 5 123852.000 122281.269 1.27% - 2s 0 2 122316.779 0 5 123852.000 122316.779 1.24% - 3s H 8 5 123036.81818 122420.434 0.50% 110 3s H 9 6 123014.97674 122420.434 0.48% 110 3s H 11 6 122968.00000 122420.434 0.45% 114 4s H 12 7 122932.00000 122420.434 0.42% 108 4s H 14 9 122923.00000 122420.434 0.41% 93.1 4s H 16 10 122869.00000 122420.434 0.37% 86.3 4s H 17 9 122836.00000 122420.434 0.34% 85.2 4s * 18 8 15 122794.00000 122420.434 0.30% 81.6 4s H 30 7 122748.00000 122471.429 0.23% 81.1 4s * 35 9 9 122695.00000 122548.638 0.12% 80.6 4s 47 2 cutoff 5 122695.000 122659.457 0.03% 69.2 5s Cutting planes: Implied bound: 201 Flow cover: 9 Explored 49 nodes (10370 simplex iterations) in 5.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226950000000e+05, best bound 1.226924848485e+05, gap 0.0020%