Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:25:44 2012

Optimize a model with 7839 rows, 1056 columns and 24414 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 7869 rows, 1054 columns, 28009 nonzeros
Variable types: 0 continuous, 1054 integer (1054 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.445783e+00, 7304 iterations, 0.54 seconds

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

     0     0    3.44578    0  869   32.00000    3.44578  89.2%     -    1s
     0     0    6.00000    0  101   32.00000    6.00000  81.2%     -    2s
H    0     0                      20.0000000    6.00000  70.0%     -    2s
H    0     0                       7.0000000    6.00000  14.3%     -    2s
     0     0    6.00000    0   54    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   72    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0  113    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   72    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   85    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   97    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   89    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0  110    7.00000    6.00000  14.3%     -    3s
     0     0    6.00000    0   97    7.00000    6.00000  14.3%     -    3s
     0     2    6.00000    0   97    7.00000    6.00000  14.3%     -    3s

Cutting planes:
  Clique: 24
  Zero half: 7

Explored 11 nodes (22273 simplex iterations) in 3.56 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%