Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:10:28 2013 Optimize a model with 700 rows, 50150 columns and 125200 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.07s Presolved: 650 rows, 50100 columns, 100150 nonzeros Variable types: 50100 continuous, 0 integer (0 binary) Root relaxation: objective 2.246016e+05, 2715 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 224601.597 0 1 - 224601.597 - - 0s 0 2 224601.597 0 1 - 224601.597 - - 0s * 8 8 4 224847.24808 224785.855 0.03% 120 1s Explored 12 nodes (3716 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.248472480793e+05, best bound 2.248472480793e+05, gap 0.0%