Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:24 2013 Optimize a model with 1070 rows, 1260 columns and 4505 nonzeros Presolve removed 15 rows and 10 columns Presolve time: 0.06s Presolved: 1055 rows, 1250 columns, 3490 nonzeros Variable types: 755 continuous, 495 integer (495 binary) Root relaxation: objective 1.204447e+04, 409 iterations, 0.00 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 12097.6819 0 2 - 12097.6819 - - 0s * 0 0 0 12097.772419 12097.7724 0.0% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (505 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209777241860e+04, best bound 1.209777241860e+04, gap 0.0%