Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:47:13 2013 Optimize a model with 140 rows, 2030 columns and 5040 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 130 rows, 2020 columns, 4030 nonzeros Variable types: 2020 continuous, 0 integer (0 binary) Root relaxation: objective 2.199252e+04, 73 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 H 0 0 22664.392376 21992.5209 2.96% - 0s 0 2 21992.5209 0 2 22664.3924 21992.5209 2.96% - 0s * 16 6 8 22134.953373 22134.9534 0.0% 2.6 0s Explored 17 nodes (114 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.213495337267e+04, best bound 2.213495337267e+04, gap 0.0%