Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:13:19 2013 Optimize a model with 70 rows, 5265 columns and 15520 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.01s Presolved: 65 rows, 5260 columns, 10515 nonzeros Variable types: 5260 continuous, 0 integer (0 binary) Root relaxation: objective 1.204447e+04, 30 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 2 12044.4669 0 1 - 12044.4669 - - 0s * 20 0 10 12097.776352 12097.7764 0.0% 1.0 0s Explored 21 nodes (50 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209777635186e+04, best bound 1.209777635186e+04, gap 0.0%