Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:04:52 2013 Optimize a model with 140 rows, 3030 columns and 8040 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 130 rows, 3020 columns, 6030 nonzeros Variable types: 3020 continuous, 0 integer (0 binary) Root relaxation: objective 2.199252e+04, 96 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21992.5209 0 2 - 21992.5209 - - 0s 0 2 21992.5209 0 2 - 21992.5209 - - 0s * 3 1 2 22791.927631 22057.2479 3.22% 7.7 0s * 15 5 8 22134.957138 22134.9496 0.00% 3.3 0s Explored 16 nodes (146 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.213495713844e+04, best bound 2.213494958390e+04, gap 0.0000%