Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:53:49 2012

Optimize a model with 30226 rows, 32942 columns and 122716 nonzeros
Presolve removed 28 rows and 4708 columns
Presolve time: 0.68s
Presolved: 30198 rows, 28234 columns, 117676 nonzeros
Variable types: 0 continuous, 28234 integer (28234 binary)
Found heuristic solution: objective 181.0000000

Root relaxation: objective 2.000000e+00, 20820 iterations, 1.26 seconds

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

     0     0    2.00000    0  274  181.00000    2.00000  98.9%     -    4s
H    0     0                     145.0000000    2.00000  98.6%     -    4s
H    0     0                       4.0000000    2.00000  50.0%     -    4s
     0     0    2.14286    0  445    4.00000    2.14286  46.4%     -    8s
H    0     0                       3.0000000    2.14286  28.6%     -    8s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 0 nodes (74580 simplex iterations) in 8.31 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%