Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:43 2012

Optimize a model with 1088 rows, 67 columns and 2176 nonzeros
Presolve removed 758 rows and 0 columns
Presolve time: 0.02s
Presolved: 330 rows, 67 columns, 1919 nonzeros
Variable types: 0 continuous, 67 integer (67 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.114451e+01, 175 iterations, 0.00 seconds

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

     0     0   11.14451    0   62    6.00000   11.14451  85.7%     -    0s
H    0     0                       8.0000000   11.14451  39.3%     -    0s
     0     0   10.89488    0   63    8.00000   10.89488  36.2%     -    0s
     0     0   10.83433    0   65    8.00000   10.83433  35.4%     -    0s
     0     0   10.82023    0   66    8.00000   10.82023  35.3%     -    0s
     0     0   10.80872    0   64    8.00000   10.80872  35.1%     -    0s
     0     0   10.78897    0   66    8.00000   10.78897  34.9%     -    0s
     0     0   10.77761    0   64    8.00000   10.77761  34.7%     -    0s
     0     0   10.76489    0   65    8.00000   10.76489  34.6%     -    0s
     0     0   10.76482    0   64    8.00000   10.76482  34.6%     -    0s
     0     0   10.76465    0   64    8.00000   10.76465  34.6%     -    0s
     0     2   10.76196    0   64    8.00000   10.76196  34.5%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 31
  Zero half: 7

Explored 33 nodes (1575 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%