Gurobi 5.0.1 (linux64) logging started Fri Jan 18 08:20:42 2013 Optimize a model with 700 rows, 75150 columns and 200200 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.14s Presolved: 650 rows, 75100 columns, 150150 nonzeros Variable types: 75100 continuous, 0 integer (0 binary) Root relaxation: objective 1.650739e+05, 2773 iterations, 0.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s 0 2 165073.856 0 2 - 165073.856 - - 2s * 38 8 19 165622.04579 165607.513 0.01% 55.7 3s Explored 39 nodes (4888 simplex iterations) in 3.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656220457902e+05, best bound 1.656075126568e+05, gap 0.0088%