Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:36:58 2013 Optimize a model with 1012 rows, 84732 columns and 169372 nonzeros Presolve time: 0.14s Presolved: 1012 rows, 84732 columns, 169372 nonzeros Variable types: 84640 continuous, 92 integer (92 binary) Root relaxation: objective 1.231893e+05, 3838 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 123189.349 0 5 - 123189.349 - - 0s H 0 0 125601.00000 123189.349 1.92% - 0s H 0 0 123315.00000 123189.349 0.10% - 0s 0 0 123268.347 0 3 123315.000 123268.347 0.04% - 0s 0 0 123268.347 0 5 123315.000 123268.347 0.04% - 1s 0 0 123269.222 0 3 123315.000 123269.222 0.04% - 1s 0 0 123276.513 0 2 123315.000 123276.513 0.03% - 1s 0 0 123276.513 0 2 123315.000 123276.513 0.03% - 1s 0 0 123283.851 0 2 123315.000 123283.851 0.03% - 1s 0 0 123283.907 0 2 123315.000 123283.907 0.03% - 1s 0 0 123284.574 0 3 123315.000 123284.574 0.02% - 1s 0 0 123288.128 0 3 123315.000 123288.128 0.02% - 1s 0 0 123288.128 0 3 123315.000 123288.128 0.02% - 1s 0 0 123288.128 0 3 123315.000 123288.128 0.02% - 1s 0 0 123288.128 0 3 123315.000 123288.128 0.02% - 1s 0 0 123288.128 0 3 123315.000 123288.128 0.02% - 1s 0 0 123293.048 0 1 123315.000 123293.048 0.02% - 2s 0 2 123293.509 0 1 123315.000 123293.509 0.02% - 2s Cutting planes: Implied bound: 49 Flow cover: 1 Explored 2 nodes (6958 simplex iterations) in 2.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.233150000000e+05, best bound 1.233051428571e+05, gap 0.0080%