Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:42:59 2012

Optimize a model with 11303 rows, 5256 columns and 38806 nonzeros
Presolve removed 2018 rows and 2 columns
Presolve time: 0.45s
Presolved: 9357 rows, 5254 columns, 38908 nonzeros
Variable types: 0 continuous, 5254 integer (5254 binary)
Found heuristic solution: objective 71.0000000

Root relaxation: objective 3.000000e+00, 7273 iterations, 1.17 seconds

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

     0     0    3.00000    0  215   71.00000    3.00000  95.8%     -    4s
H    0     0                       4.0000000    3.00000  25.0%     -    4s
     0     0    3.00000    0 2130    4.00000    3.00000  25.0%     -    6s
     0     0    3.00000    0  133    4.00000    3.00000  25.0%     -   13s
     0     0    3.00000    0  118    4.00000    3.00000  25.0%     -   20s
     0     0    3.00000    0  115    4.00000    3.00000  25.0%     -   26s
     0     0    3.00000    0  242    4.00000    3.00000  25.0%     -   32s
H    0     0                       3.0000000    3.00000   0.0%     -   32s

Cutting planes:
  Zero half: 7

Explored 0 nodes (98034 simplex iterations) in 32.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%