Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:09:18 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 2.252562e+05, 3832 iterations, 0.36 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 225256.157 0 1 - 225256.157 - - 0s 0 2 225256.157 0 1 - 225256.157 - - 1s * 20 6 10 225915.15199 225915.152 0.0% 108 2s Explored 21 nodes (5993 simplex iterations) in 2.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.259151519913e+05, best bound 2.259151519913e+05, gap 0.0%