Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:50:44 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 3.600389e+04, 413 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36003.8892 0 2 - 36003.8892 - - 0s 0 2 36003.8892 0 2 - 36003.8892 - - 0s * 17 5 9 36202.395978 36202.3816 0.00% 22.8 0s Explored 18 nodes (801 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.620239597844e+04, best bound 3.620238158816e+04, gap 0.0000%