Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:18:58 2012

Optimize a model with 24863 rows, 28392 columns and 102142 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.55s
Presolved: 25029 rows, 28390 columns, 130070 nonzeros
Variable types: 0 continuous, 28390 integer (28390 binary)
Found heuristic solution: objective 168.0000000

Root relaxation: objective 2.000000e+00, 16422 iterations, 0.89 seconds

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

     0     0    2.00000    0  244  168.00000    2.00000  98.8%     -    3s
H    0     0                     132.0000000    2.00000  98.5%     -    3s
H    0     0                       4.0000000    2.00000  50.0%     -    3s
     0     0    2.27786    0 5506    4.00000    2.27786  43.1%     -    5s
H    0     0                       3.0000000    2.27786  24.1%     -    8s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 0 nodes (61078 simplex iterations) in 8.09 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%