Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:28:22 2013 Optimize a model with 70 rows, 2765 columns and 8020 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.00s Presolved: 65 rows, 2760 columns, 5515 nonzeros Variable types: 2760 continuous, 0 integer (0 binary) Root relaxation: objective 1.204447e+04, 29 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 * 17 1 9 12097.776310 12097.7757 0.00% 1.2 0s Explored 18 nodes (49 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209777630968e+04, best bound 1.209777571816e+04, gap 0.0000%