Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:16 2013 Optimize a model with 160 rows, 1080 columns and 2170 nonzeros Presolve removed 20 rows and 30 columns Presolve time: 0.00s Presolved: 140 rows, 1050 columns, 2100 nonzeros Variable types: 1040 continuous, 10 integer (10 binary) Root relaxation: objective 1.836170e+04, 123 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 0 0 18393.6150 0 3 - 18393.6150 - - 0s 0 0 18399.6591 0 3 - 18399.6591 - - 0s * 0 0 0 18412.148777 18412.1488 0.0% - 0s Cutting planes: Gomory: 4 Explored 0 nodes (155 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.841214877658e+04, best bound 1.841214877658e+04, gap 0.0%