Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:07 2013 Optimize a model with 11286 rows, 10956 columns and 43626 nonzeros Presolve removed 33 rows and 0 columns Presolve time: 0.05s Presolved: 11253 rows, 10956 columns, 43593 nonzeros Variable types: 10923 continuous, 33 integer (33 binary) Root relaxation: objective 3.150596e+04, 1688 iterations, 0.26 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 31505.9632 0 27 - 31505.9632 - - 0s H 0 0 36958.000000 31505.9632 14.8% - 0s 0 0 35388.3500 0 2 36958.0000 35388.3500 4.25% - 0s H 0 0 35951.436364 35388.3500 1.57% - 0s H 0 0 35407.000000 35388.3500 0.05% - 0s H 0 0 35400.000000 35388.3500 0.03% - 0s 0 0 cutoff 0 35400.0000 35400.0000 0.0% - 0s Cutting planes: Implied bound: 23 Explored 0 nodes (2176 simplex iterations) in 0.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.540000000000e+04, best bound 3.540000000000e+04, gap 0.0%