Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:05:29 2012

Optimize a model with 7005 rows, 992 columns and 21853 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 7003 rows, 990 columns, 24887 nonzeros
Variable types: 0 continuous, 990 integer (990 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 3.468354e+00, 6881 iterations, 0.48 seconds

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

     0     0    3.46835    0  837   31.00000    3.46835  88.8%     -    1s
     0     0    6.00000    0  131   31.00000    6.00000  80.6%     -    1s
H    0     0                      24.0000000    6.00000  75.0%     -    1s
H    0     0                       9.0000000    6.00000  33.3%     -    1s
     0     0    6.00000    0  133    9.00000    6.00000  33.3%     -    1s
     0     0    6.00000    0   40    9.00000    6.00000  33.3%     -    3s
H    0     0                       8.0000000    6.00000  25.0%     -    3s
     0     0    6.00000    0   93    8.00000    6.00000  25.0%     -    3s
     0     0    6.00000    0  115    8.00000    6.00000  25.0%     -    4s
     0     0    6.00000    0  110    8.00000    6.00000  25.0%     -    5s
     0     0    6.00000    0  140    8.00000    6.00000  25.0%     -    7s
     0     0    6.00000    0   59    8.00000    6.00000  25.0%     -    7s
H    0     0                       7.0000000    6.00000  14.3%     -    9s
     0     2    6.00000    0   59    7.00000    6.00000  14.3%     -    9s
     6     6    6.00000    1  101    7.00000    6.00000  14.3%   140   10s

Cutting planes:
  Gomory: 10
  Clique: 17
  Zero half: 34

Explored 13 nodes (40546 simplex iterations) in 11.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%