Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:50:43 2013 Optimize a model with 280 rows, 6060 columns and 14080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.01s Presolved: 260 rows, 6040 columns, 12060 nonzeros Variable types: 6040 continuous, 0 integer (0 binary) Root relaxation: objective 4.642213e+04, 529 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 46422.1265 0 3 - 46422.1265 - - 0s 0 2 46422.1265 0 3 - 46422.1265 - - 0s * 20 6 10 46743.805835 46743.8058 0.0% 17.2 0s Explored 21 nodes (873 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.674380583461e+04, best bound 4.674380583461e+04, gap 0.0%