Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:40:31 2013 Optimize a model with 10160 rows, 21030 columns and 72050 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.24s Presolved: 10150 rows, 21020 columns, 62040 nonzeros Variable types: 11020 continuous, 10000 integer (10000 binary) Root relaxation: objective 2.207062e+04, 162 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22070.6191 0 2 - 22070.6191 - - 1s 0 0 22089.3337 0 2 - 22089.3337 - - 1s 0 0 22089.3469 0 2 - 22089.3469 - - 1s 0 0 22090.8556 0 3 - 22090.8556 - - 1s 0 0 22090.8556 0 3 - 22090.8556 - - 1s 0 2 22090.8556 0 3 - 22090.8556 - - 3s * 22 4 11 22333.165780 22333.1658 0.0% 80.1 4s Cutting planes: Gomory: 2 Implied bound: 9 Explored 23 nodes (2200 simplex iterations) in 4.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.233316578010e+04, best bound 2.233316578010e+04, gap 0.0%