Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:48 2013 Optimize a model with 220 rows, 1170 columns and 2760 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 210 rows, 1160 columns, 2650 nonzeros Variable types: 1120 continuous, 40 integer (40 binary) Root relaxation: objective 2.387367e+04, 243 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 3 - 23873.6700 - - 0s 0 0 23880.6173 0 4 - 23880.6173 - - 0s 0 0 23948.6109 0 1 - 23948.6109 - - 0s 0 0 23948.6109 0 1 - 23948.6109 - - 0s H 0 0 23950.629024 23948.6109 0.01% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (378 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395062902440e+04, best bound 2.394861089777e+04, gap 0.0084%