Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:44:34 2013 Optimize a model with 1045 rows, 90345 columns and 180595 nonzeros Presolve time: 0.15s Presolved: 1045 rows, 90345 columns, 180595 nonzeros Variable types: 90250 continuous, 95 integer (95 binary) Root relaxation: objective 1.241082e+05, 3588 iterations, 0.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124108.173 0 5 - 124108.173 - - 0s H 0 0 134054.00000 124108.173 7.42% - 0s 0 0 124340.016 0 4 134054.000 124340.016 7.25% - 0s H 0 0 131340.00000 124340.016 5.33% - 0s 0 0 124363.645 0 4 131340.000 124363.645 5.31% - 0s 0 0 124406.469 0 4 131340.000 124406.469 5.28% - 1s 0 0 124416.729 0 4 131340.000 124416.729 5.27% - 1s H 0 0 130247.00000 124416.729 4.48% - 1s 0 0 124420.506 0 3 130247.000 124420.506 4.47% - 1s H 0 0 129194.00000 124420.506 3.69% - 1s 0 0 124423.781 0 3 129194.000 124423.781 3.69% - 1s H 0 0 129179.00000 124423.781 3.68% - 1s 0 0 124424.136 0 3 129179.000 124424.136 3.68% - 1s 0 2 124449.193 0 3 129179.000 124449.193 3.66% - 2s H 2 2 125799.31927 124508.736 1.03% 46.5 2s H 11 10 125570.00000 124642.504 0.74% 69.5 2s H 12 10 124886.00000 124642.504 0.19% 63.9 2s * 17 8 15 124866.00000 124642.504 0.18% 50.4 3s Cutting planes: Implied bound: 115 Flow cover: 1 Explored 30 nodes (5280 simplex iterations) in 3.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.248660000000e+05, best bound 1.248660000000e+05, gap 0.0%