Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:12:51 2013 Optimize a model with 1320 rows, 144120 columns and 288120 nonzeros Presolve time: 0.30s Presolved: 1320 rows, 144120 columns, 288120 nonzeros Variable types: 144000 continuous, 120 integer (120 binary) Root relaxation: objective 1.642429e+05, 5092 iterations, 0.26 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 164242.925 0 8 - 164242.925 - - 0s H 0 0 176120.00000 164242.925 6.74% - 1s 0 0 164639.308 0 6 176120.000 164639.308 6.52% - 1s 0 0 164710.558 0 5 176120.000 164710.558 6.48% - 1s H 0 0 175917.00000 164710.558 6.37% - 2s 0 0 164713.924 0 6 175917.000 164713.924 6.37% - 2s 0 0 164718.272 0 6 175917.000 164718.272 6.37% - 2s 0 0 164722.101 0 6 175917.000 164722.101 6.36% - 2s 0 0 164724.846 0 5 175917.000 164724.846 6.36% - 3s H 0 0 170866.00000 164724.846 3.59% - 3s 0 0 164725.640 0 6 170866.000 164725.640 3.59% - 3s H 0 0 165805.00000 164725.640 0.65% - 3s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 3s 0 0 164727.274 0 8 165805.000 164727.274 0.65% - 4s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 4s 0 0 164727.274 0 5 165805.000 164727.274 0.65% - 5s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 5s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 5s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 5s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 5s 0 0 164727.274 0 6 165805.000 164727.274 0.65% - 5s 0 0 164727.311 0 5 165805.000 164727.311 0.65% - 6s 0 0 164727.640 0 5 165805.000 164727.640 0.65% - 6s 0 0 164727.916 0 5 165805.000 164727.916 0.65% - 6s 0 0 164727.928 0 5 165805.000 164727.928 0.65% - 6s 0 2 164728.218 0 5 165805.000 164728.218 0.65% - 7s * 19 15 13 165726.00000 164865.331 0.52% 123 9s 30 21 165022.047 10 3 165726.000 164865.420 0.52% 116 10s H 31 19 165537.00000 164865.420 0.41% 112 10s H 32 19 165429.00000 164865.420 0.34% 112 10s H 34 19 165289.00000 164865.420 0.26% 109 10s H 36 17 165189.00000 164865.420 0.20% 105 10s * 41 15 17 165186.00000 164865.420 0.19% 94.8 10s * 48 18 9 165156.00000 164873.649 0.17% 91.0 10s * 68 24 12 165152.00000 164888.593 0.16% 78.5 11s Cutting planes: Implied bound: 197 Flow cover: 15 Explored 102 nodes (17335 simplex iterations) in 12.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.651520000000e+05, best bound 1.651388199776e+05, gap 0.0080%