Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:35 2013 Optimize a model with 14896 rows, 14516 columns and 57836 nonzeros Presolve removed 38 rows and 0 columns Presolve time: 0.06s Presolved: 14858 rows, 14516 columns, 57798 nonzeros Variable types: 14478 continuous, 38 integer (38 binary) Root relaxation: objective 3.407463e+04, 1880 iterations, 0.30 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34074.6326 0 35 - 34074.6326 - - 0s H 0 0 41459.000000 34074.6326 17.8% - 0s 0 0 37471.1418 0 2 41459.0000 37471.1418 9.62% - 1s H 0 0 37738.473819 37471.1418 0.71% - 1s H 0 0 37653.000000 37471.1418 0.48% - 1s 0 0 37594.4921 0 2 37653.0000 37594.4921 0.16% - 1s 0 0 37595.3514 0 2 37653.0000 37595.3514 0.15% - 1s H 0 0 37626.000000 37595.3514 0.08% - 1s H 0 0 37613.000000 37595.3514 0.05% - 1s 0 0 37595.3514 0 25 37613.0000 37595.3514 0.05% - 1s 0 0 37595.3514 0 2 37613.0000 37595.3514 0.05% - 2s 0 2 37596.2824 0 2 37613.0000 37596.2824 0.04% - 2s Cutting planes: Gomory: 4 Implied bound: 21 Explored 4 nodes (4868 simplex iterations) in 2.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.761300000000e+04, best bound 3.761000000000e+04, gap 0.0080%