Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:36 2013 Optimize a model with 12635 rows, 12285 columns and 49035 nonzeros Presolve removed 1689 rows and 0 columns Presolve time: 0.06s Presolved: 10946 rows, 12285 columns, 45657 nonzeros Variable types: 12250 continuous, 35 integer (35 binary) Root relaxation: objective 3.647886e+04, 1480 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36478.8610 0 3 - 36478.8610 - - 0s H 0 0 36520.000000 36478.8610 0.11% - 0s H 0 0 36501.000000 36478.8610 0.06% - 0s 0 0 36487.8807 0 3 36501.0000 36487.8807 0.04% - 0s 0 0 36487.8807 0 2 36501.0000 36487.8807 0.04% - 0s 0 0 36495.6813 0 2 36501.0000 36495.6813 0.01% - 0s 0 0 cutoff 0 36501.0000 36501.0000 0.0% - 0s Cutting planes: Gomory: 2 Flow cover: 1 Explored 0 nodes (1917 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.650100000000e+04, best bound 3.650100000000e+04, gap 0.0%