Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:15:13 2012

Optimize a model with 7021 rows, 14280 columns and 34867 nonzeros
Presolve removed 46 rows and 5474 columns
Presolve time: 0.14s
Presolved: 6975 rows, 8806 columns, 29393 nonzeros
Variable types: 0 continuous, 8806 integer (8806 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 2.000000e+00, 5425 iterations, 0.10 seconds

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

     0     0    2.00000    0   30   32.00000    2.00000  93.8%     -    0s
H    0     0                       3.0000000    2.00000  33.3%     -    0s
     0     0    2.00000    0  324    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  185    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0   30    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  103    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0  164    3.00000    2.00000  33.3%     -    6s
     0     0    2.00000    0   30    3.00000    2.00000  33.3%     -    7s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -    8s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -   10s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -   11s
     0     2    2.00000    0  105    3.00000    2.00000  33.3%     -   12s
     5     5    2.00000    1  105    3.00000    2.00000  33.3%  1808   15s
     6     6    2.00000    1   30    3.00000    2.00000  33.3%  1506   21s
     8     7    2.00000    1  111    3.00000    2.00000  33.3%  1130   27s

Cutting planes:
  Gomory: 6
  Zero half: 2

Explored 9 nodes (225858 simplex iterations) in 27.89 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%