Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:01:05 2012

Optimize a model with 6105 rows, 12432 columns and 30303 nonzeros
Presolve removed 41 rows and 4551 columns
Presolve time: 0.14s
Presolved: 6064 rows, 7881 columns, 25752 nonzeros
Variable types: 0 continuous, 7881 integer (7881 binary)
Found heuristic solution: objective 26.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 4540 iterations, 0.07 seconds

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

     0     0    2.00000    0   24    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  114    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  104    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0   94    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  155    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0   24    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0   98    3.00000    2.00000  33.3%     -    6s
     0     0    2.00000    0   94    3.00000    2.00000  33.3%     -    8s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -   10s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -   11s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -   12s
     0     2    2.00000    0   96    3.00000    2.00000  33.3%     -   13s
     6     6    2.00000    1   24    3.00000    2.00000  33.3%   848   16s
     8     7    2.00000    1   24    3.00000    2.00000  33.3%   636   21s

Cutting planes:
  Zero half: 8

Explored 14 nodes (253009 simplex iterations) in 24.95 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%