Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:43 2013 Optimize a model with 14097 rows, 13727 columns and 54797 nonzeros Presolve removed 644 rows and 0 columns Presolve time: 0.07s Presolved: 13453 rows, 13727 columns, 53509 nonzeros Variable types: 13690 continuous, 37 integer (37 binary) Root relaxation: objective 4.031763e+04, 1959 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 40317.6340 0 3 - 40317.6340 - - 0s H 0 0 40464.000000 40317.6340 0.36% - 0s 0 0 40319.7632 0 4 40464.0000 40319.7632 0.36% - 0s 0 0 40319.7632 0 4 40464.0000 40319.7632 0.36% - 0s 0 0 40338.7555 0 4 40464.0000 40338.7555 0.31% - 0s H 0 0 40402.000000 40338.7555 0.16% - 0s 0 2 40367.5653 0 1 40402.0000 40367.5653 0.09% - 0s Cutting planes: Gomory: 1 Explored 3 nodes (2068 simplex iterations) in 0.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.040200000000e+04, best bound 4.040200000000e+04, gap 0.0%