Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:54 2013 Optimize a model with 5070 rows, 5260 columns and 20505 nonzeros Presolve removed 15 rows and 10 columns Presolve time: 0.21s Presolved: 5055 rows, 5250 columns, 15490 nonzeros Variable types: 2755 continuous, 2495 integer (2495 binary) Root relaxation: objective 1.204447e+04, 1907 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12044.4669 0 1 - 12044.4669 - - 0s 0 0 12097.7726 0 2 - 12097.7726 - - 0s H 0 0 12097.776310 12097.7726 0.00% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (2306 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209777630968e+04, best bound 1.209777261604e+04, gap 0.0000%