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

Optimize a model with 1110 rows, 67 columns and 2220 nonzeros
Presolve removed 765 rows and 0 columns
Presolve time: 0.02s
Presolved: 345 rows, 67 columns, 2057 nonzeros
Variable types: 0 continuous, 67 integer (67 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.114980e+01, 184 iterations, 0.00 seconds

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

     0     0   11.14980    0   63    6.00000   11.14980  85.8%     -    0s
H    0     0                       7.0000000   11.14980  59.3%     -    0s
     0     0   10.94455    0   65    7.00000   10.94455  56.4%     -    0s
     0     0   10.86534    0   62    7.00000   10.86534  55.2%     -    0s
     0     0   10.82706    0   64    7.00000   10.82706  54.7%     -    0s
H    0     0                       8.0000000   10.82706  35.3%     -    0s
     0     0   10.80595    0   64    8.00000   10.80595  35.1%     -    0s
H    0     0                       9.0000000   10.80595  20.1%     -    0s
     0     0   10.79325    0   64    9.00000   10.79325  19.9%     -    0s
     0     0   10.78971    0   64    9.00000   10.78971  19.9%     -    0s
     0     0   10.78949    0   64    9.00000   10.78949  19.9%     -    0s
     0     2   10.78856    0   64    9.00000   10.78856  19.9%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 20
  Zero half: 9

Explored 11 nodes (807 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%