Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:59:06 2013 Optimize a model with 16480 rows, 16080 columns and 64080 nonzeros Presolve removed 40 rows and 0 columns Presolve time: 0.07s Presolved: 16440 rows, 16080 columns, 64040 nonzeros Variable types: 16040 continuous, 40 integer (40 binary) Root relaxation: objective 3.775813e+04, 2584 iterations, 0.55 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 37758.1318 0 36 - 37758.1318 - - 0s H 0 0 47556.000000 37758.1318 20.6% - 1s 0 0 43409.3368 0 5 47556.0000 43409.3368 8.72% - 1s H 0 0 45786.406749 43409.3368 5.19% - 1s H 0 0 44884.000000 43409.3368 3.29% - 1s 0 0 43512.8403 0 4 44884.0000 43512.8403 3.05% - 1s H 0 0 44064.000000 43512.8403 1.25% - 1s 0 2 43616.4469 0 4 44064.0000 43616.4469 1.02% - 2s H 4 4 43873.797753 43694.7281 0.41% 97.0 2s * 5 5 4 43818.000000 43694.7281 0.28% 94.2 2s Cutting planes: Gomory: 1 Implied bound: 35 Explored 11 nodes (4597 simplex iterations) in 2.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.381800000000e+04, best bound 4.381800000000e+04, gap 0.0%