Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:48 2013 Optimize a model with 14097 rows, 13727 columns and 54797 nonzeros Presolve removed 1120 rows and 0 columns Presolve time: 0.07s Presolved: 12977 rows, 13727 columns, 52557 nonzeros Variable types: 13690 continuous, 37 integer (37 binary) Root relaxation: objective 4.471938e+04, 2781 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 44719.3760 0 1 - 44719.3760 - - 0s H 0 0 44880.000000 44719.3760 0.36% - 0s H 0 0 44866.000000 44719.3760 0.33% - 0s 0 0 44721.8902 0 1 44866.0000 44721.8902 0.32% - 0s 0 2 44723.1778 0 1 44866.0000 44723.1778 0.32% - 0s * 2 2 2 44795.000000 44795.0000 0.0% 71.5 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 3 nodes (2953 simplex iterations) in 0.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.479500000000e+04, best bound 4.479500000000e+04, gap 0.0%