Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:43 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 1.836170e+04, 172 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18361.7044 0 1 - 18361.7044 - - 0s 0 0 18381.2294 0 1 - 18381.2294 - - 0s H 0 0 18437.416652 18381.2294 0.30% - 0s H 0 0 18422.415846 18381.2294 0.22% - 0s 0 0 18395.9250 0 5 18422.4158 18395.9250 0.14% - 0s 0 0 18417.0531 0 2 18422.4158 18417.0531 0.03% - 0s H 0 0 18417.639282 18417.0531 0.00% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (200 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.841763928198e+04, best bound 1.841705314045e+04, gap 0.0032%