Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:53:53 2012

Optimize a model with 6864 rows, 10920 columns and 31096 nonzeros
Presolve removed 28 rows and 2912 columns
Presolve time: 0.14s
Presolved: 6836 rows, 8008 columns, 28184 nonzeros
Variable types: 0 continuous, 8008 integer (8008 binary)
Found heuristic solution: objective 34.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 7156 iterations, 0.35 seconds

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

     0     0    2.00000    0   72    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  235    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0   72    3.00000    2.00000  33.3%     -    4s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0  148    3.00000    2.00000  33.3%     -    7s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -   10s
     0     0    2.00000    0  148    3.00000    2.00000  33.3%     -   12s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -   14s
     0     0    2.00000    0  191    3.00000    2.00000  33.3%     -   18s
     0     0    2.00000    0  191    3.00000    2.00000  33.3%     -   19s
     0     2    2.00000    0  191    3.00000    2.00000  33.3%     -   22s
     5     5    2.00000    1  149    3.00000    2.00000  33.3%  2181   29s

Cutting planes:
  Gomory: 1
  Zero half: 1

Explored 5 nodes (206146 simplex iterations) in 30.02 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%