Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:34 2013 Optimize a model with 200 rows, 1210 columns and 2670 nonzeros Presolve removed 10 rows and 70 columns Presolve time: 0.00s Presolved: 190 rows, 1140 columns, 2570 nonzeros Variable types: 1110 continuous, 30 integer (30 binary) Root relaxation: objective 1.836170e+04, 118 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 18371.3351 0 4 - 18371.3351 - - 0s 0 0 18372.6809 0 4 - 18372.6809 - - 0s 0 0 18373.1716 0 4 - 18373.1716 - - 0s 0 0 18375.3096 0 5 - 18375.3096 - - 0s 0 0 18375.3096 0 5 - 18375.3096 - - 0s H 0 0 18420.834144 18375.3096 0.25% - 0s * 0 0 0 18416.528090 18416.5281 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 4 Explored 1 nodes (205 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.841652809024e+04, best bound 1.841652809024e+04, gap 0.0%