Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:48:24 2013 Optimize a model with 280 rows, 24060 columns and 68080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.08s Presolved: 260 rows, 24040 columns, 48060 nonzeros Variable types: 24040 continuous, 0 integer (0 binary) Root relaxation: objective 3.600389e+04, 369 iterations, 0.03 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 * 23 5 12 36202.402686 36202.4026 0.00% 16.6 0s Explored 24 nodes (751 simplex iterations) in 0.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.620240268604e+04, best bound 3.620240261457e+04, gap 0.0000%