Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:35 2013 Optimize a model with 210 rows, 1130 columns and 2400 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.00s Presolved: 190 rows, 1110 columns, 2330 nonzeros Variable types: 1070 continuous, 40 integer (40 binary) Root relaxation: objective 2.207062e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22070.6191 0 1 - 22070.6191 - - 0s 0 0 22107.2049 0 1 - 22107.2049 - - 0s 0 0 22195.6472 0 2 - 22195.6472 - - 0s 0 0 22238.5047 0 3 - 22238.5047 - - 0s 0 0 22238.5047 0 3 - 22238.5047 - - 0s 0 0 22238.5047 0 3 - 22238.5047 - - 0s 0 0 22238.5047 0 3 - 22238.5047 - - 0s H 0 0 22366.823699 22238.5047 0.57% - 0s 0 2 22244.1859 0 2 22366.8237 22244.1859 0.55% - 0s * 3 1 1 22336.004161 22332.0325 0.02% 8.0 0s * 4 0 2 22332.032530 22332.0325 0.0% 6.8 0s Cutting planes: Gomory: 3 Flow cover: 3 Explored 5 nodes (230 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.233203253014e+04, best bound 2.233203253014e+04, gap 0.0%