Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:43 2013 Optimize a model with 3819 rows, 3629 columns and 14459 nonzeros Presolve removed 254 rows and 0 columns Presolve time: 0.02s Presolved: 3565 rows, 3629 columns, 13951 nonzeros Variable types: 3610 continuous, 19 integer (19 binary) Root relaxation: objective 2.428445e+04, 574 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 24284.4545 0 1 - 24284.4545 - - 0s H 0 0 24296.000000 24284.4545 0.05% - 0s 0 0 24285.4675 0 2 24296.0000 24285.4675 0.04% - 0s 0 0 24286.0130 0 2 24296.0000 24286.0130 0.04% - 0s 0 0 24286.0130 0 2 24296.0000 24286.0130 0.04% - 0s Cutting planes: Gomory: 1 Flow cover: 3 Explored 0 nodes (592 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.429600000000e+04, best bound 2.429600000000e+04, gap 0.0%