Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:37:50 2012

Optimize a model with 11232 rows, 5256 columns and 38664 nonzeros
Presolve removed 2019 rows and 216 columns
Presolve time: 0.23s
Presolved: 9213 rows, 5040 columns, 33624 nonzeros
Variable types: 0 continuous, 5040 integer (5040 binary)
Found heuristic solution: objective 45.0000000

Root relaxation: objective 3.000000e+00, 8790 iterations, 1.41 seconds

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

     0     0    3.00000    0   89   45.00000    3.00000  93.3%     -    4s
H    0     0                       5.0000000    3.00000  40.0%     -    4s
H    0     0                       4.0000000    3.00000  25.0%     -    4s
     0     0    3.00000    0   92    4.00000    3.00000  25.0%     -    4s
H    0     0                       3.0000000    3.00000   0.0%     -    4s

Cutting planes:
  Zero half: 1

Explored 0 nodes (30908 simplex iterations) in 4.65 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%