Gurobi 5.0.1 (linux64) logging started Sun Dec 9 06:11:48 2012 Optimize a model with 3000 rows, 2970 columns and 11336 nonzeros Presolve removed 195 rows and 20 columns Presolve time: 0.02s Presolved: 2805 rows, 2950 columns, 10930 nonzeros Variable types: 2776 continuous, 174 integer (174 binary) Root relaxation: objective 5.923388e+04, 256 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 59233.8788 0 1 - 59233.8788 - - 0s H 0 0 59321.000000 59233.8788 0.15% - 0s 0 0 59235.6129 0 3 59321.0000 59235.6129 0.14% - 0s 0 0 59235.6129 0 1 59321.0000 59235.6129 0.14% - 0s H 0 0 59243.000000 59235.6129 0.01% - 0s 0 0 cutoff 0 59243.0000 59243.0000 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (412 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.924300000000e+04, best bound 5.924300000000e+04, gap 0.0%