Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:20 2013 Optimize a model with 1846 rows, 1716 columns and 6786 nonzeros Presolve removed 13 rows and 0 columns Presolve time: 0.01s Presolved: 1833 rows, 1716 columns, 6773 nonzeros Variable types: 1703 continuous, 13 integer (13 binary) Root relaxation: objective 2.261467e+04, 524 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22614.6659 0 7 - 22614.6659 - - 0s H 0 0 23042.000000 22614.6659 1.85% - 0s 0 0 23041.1758 0 1 23042.0000 23041.1758 0.00% - 0s Cutting planes: Gomory: 5 Implied bound: 7 Explored 0 nodes (609 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.304200000000e+04, best bound 2.304117582418e+04, gap 0.0036%