Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:42 2013 Optimize a model with 340 rows, 1220 columns and 2810 nonzeros Presolve removed 40 rows and 30 columns Presolve time: 0.01s Presolved: 300 rows, 1190 columns, 2650 nonzeros Variable types: 1100 continuous, 90 integer (90 binary) Root relaxation: objective 2.207062e+04, 225 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22070.6191 0 1 - 22070.6191 - - 0s 0 0 22237.3867 0 1 - 22237.3867 - - 0s 0 0 22321.2515 0 2 - 22321.2515 - - 0s H 0 0 22332.689075 22321.2515 0.05% - 0s 0 0 22331.4786 0 1 22332.6891 22331.4786 0.01% - 0s Explored 0 nodes (338 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.233268907504e+04, best bound 2.233147863194e+04, gap 0.0054%