Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:42:36 2013 Optimize a model with 979 rows, 79299 columns and 158509 nonzeros Presolve time: 0.13s Presolved: 979 rows, 79299 columns, 158509 nonzeros Variable types: 79210 continuous, 89 integer (89 binary) Root relaxation: objective 1.225854e+05, 3232 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 122585.417 0 4 - 122585.417 - - 0s H 0 0 130875.00000 122585.417 6.33% - 0s H 0 0 123539.00000 122585.417 0.77% - 0s 0 0 122683.413 0 5 123539.000 122683.413 0.69% - 0s 0 0 122683.413 0 4 123539.000 122683.413 0.69% - 1s 0 0 122683.413 0 5 123539.000 122683.413 0.69% - 1s 0 0 122702.762 0 4 123539.000 122702.762 0.68% - 1s 0 0 122705.011 0 3 123539.000 122705.011 0.68% - 1s 0 0 122705.011 0 3 123539.000 122705.011 0.68% - 1s 0 0 122705.011 0 3 123539.000 122705.011 0.68% - 1s 0 0 122705.259 0 2 123539.000 122705.259 0.67% - 1s 0 0 122705.259 0 2 123539.000 122705.259 0.67% - 1s 0 0 122705.259 0 2 123539.000 122705.259 0.67% - 1s 0 2 122709.351 0 2 123539.000 122709.351 0.67% - 2s H 5 5 123476.00000 122775.361 0.57% 62.8 2s H 9 7 123339.00000 122775.361 0.46% 73.9 2s * 13 7 10 123173.00000 122775.361 0.32% 65.6 2s H 27 6 123124.00000 122799.025 0.26% 71.4 2s H 27 6 123082.00000 122799.025 0.23% 71.4 3s Cutting planes: Implied bound: 62 Flow cover: 5 Explored 34 nodes (8329 simplex iterations) in 3.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.230820000000e+05, best bound 1.230803636364e+05, gap 0.0013%