Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:00 2013

Optimize a model with 15639 rows, 15249 columns and 60879 nonzeros
Presolve removed 1672 rows and 0 columns
Presolve time: 0.09s
Presolved: 13967 rows, 15249 columns, 57535 nonzeros
Variable types: 15210 continuous, 39 integer (39 binary)

Root relaxation: objective 4.310531e+04, 2388 iterations, 0.16 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 43105.3061    0    1          - 43105.3061     -      -    0s
H    0     0                    43145.000000 43105.3061  0.09%     -    0s
     0     0 43105.3480    0    2 43145.0000 43105.3480  0.09%     -    0s

Cutting planes:
  Gomory: 1

Explored 0 nodes (2390 simplex iterations) in 0.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.314500000000e+04, best bound 4.314500000000e+04, gap 0.0%