Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:01 2013 Optimize a model with 14134 rows, 13764 columns and 54834 nonzeros Presolve removed 37 rows and 0 columns Presolve time: 0.06s Presolved: 14097 rows, 13764 columns, 54797 nonzeros Variable types: 13727 continuous, 37 integer (37 binary) Root relaxation: objective 3.439658e+04, 2080 iterations, 0.39 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34396.5790 0 33 - 34396.5790 - - 0s H 0 0 41692.000000 34396.5790 17.5% - 0s 0 0 40317.6340 0 3 41692.0000 40317.6340 3.30% - 1s H 0 0 40720.460095 40317.6340 0.99% - 1s H 0 0 40633.000000 40317.6340 0.78% - 1s H 0 0 40464.000000 40317.6340 0.36% - 1s 0 0 40336.6395 0 3 40464.0000 40336.6395 0.31% - 1s H 0 0 40402.000000 40336.6395 0.16% - 1s 0 2 40369.8111 0 1 40402.0000 40369.8111 0.08% - 1s Cutting planes: Gomory: 1 Implied bound: 31 Explored 3 nodes (3226 simplex iterations) in 1.51 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%