Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:54:16 2013 Optimize a model with 700 rows, 27650 columns and 57700 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.05s Presolved: 650 rows, 27600 columns, 55150 nonzeros Variable types: 27600 continuous, 0 integer (0 binary) Root relaxation: objective 2.208160e+05, 2458 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 220815.985 0 4 - 220815.985 - - 0s 0 2 220815.985 0 4 - 220815.985 - - 0s * 46 12 23 221476.95360 221214.319 0.12% 46.9 1s Explored 54 nodes (4871 simplex iterations) in 1.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.214769535973e+05, best bound 2.214640511094e+05, gap 0.0058%