Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:42 2013 Optimize a model with 260 rows, 2360 columns and 11130 nonzeros Presolve removed 10 rows and 290 columns Presolve time: 0.01s Presolved: 250 rows, 2070 columns, 10130 nonzeros Variable types: 2010 continuous, 60 integer (60 binary) Root relaxation: objective 2.387367e+04, 222 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 23875.1557 0 6 - 23875.1557 - - 0s 0 0 23944.2282 0 2 - 23944.2282 - - 0s 0 0 23944.2282 0 2 - 23944.2282 - - 0s H 0 0 24580.981069 23944.2282 2.59% - 0s 0 2 23944.2282 0 2 24580.9811 23944.2282 2.59% - 0s * 5 5 5 23950.714296 23944.2282 0.03% 10.0 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 11 nodes (427 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395071429558e+04, best bound 2.395071429558e+04, gap 0.0%