Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:40:45 2013 Optimize a model with 140 rows, 6030 columns and 17040 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.01s Presolved: 130 rows, 6020 columns, 12030 nonzeros Variable types: 6020 continuous, 0 integer (0 binary) Root relaxation: objective 2.387367e+04, 208 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23873.6700 0 1 - 23873.6700 - - 0s 0 2 23873.6700 0 1 - 23873.6700 - - 0s * 17 5 9 23950.729782 23950.7296 0.00% 1.8 0s Explored 18 nodes (239 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395072978172e+04, best bound 2.395072956743e+04, gap 0.0000%