Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:41:26 2013 Optimize a model with 340 rows, 11130 columns and 122340 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.29s Presolved: 330 rows, 11120 columns, 112330 nonzeros Variable types: 11020 continuous, 100 integer (100 binary) Root relaxation: objective 2.207062e+04, 169 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 3 - 22070.6191 - - 0s 0 0 22070.6281 0 3 - 22070.6281 - - 0s 0 0 22070.6839 0 3 - 22070.6839 - - 0s 0 0 22070.6861 0 3 - 22070.6861 - - 0s 0 0 22070.6934 0 3 - 22070.6934 - - 0s 0 0 22070.7020 0 3 - 22070.7020 - - 0s 0 0 22070.7020 0 3 - 22070.7020 - - 0s 0 0 22070.7077 0 3 - 22070.7077 - - 0s 0 0 22070.7077 0 3 - 22070.7077 - - 1s 0 0 22070.7077 0 3 - 22070.7077 - - 1s 0 0 22237.3867 0 3 - 22237.3867 - - 1s 0 0 22322.9942 0 3 - 22322.9942 - - 1s 0 0 22322.9942 0 3 - 22322.9942 - - 1s 0 2 22322.9942 0 3 - 22322.9942 - - 2s * 15 5 14 22333.292465 22322.9942 0.05% 5.5 2s Explored 21 nodes (745 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.233329246486e+04, best bound 2.233316516750e+04, gap 0.0006%