Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:19 2012

Optimize a model with 1424 rows, 77 columns and 2848 nonzeros
Presolve removed 998 rows and 0 columns
Presolve time: 0.04s
Presolved: 426 rows, 77 columns, 2591 nonzeros
Variable types: 0 continuous, 77 integer (77 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.229942e+01, 261 iterations, 0.01 seconds

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

     0     0   12.29942    0   74    7.00000   12.29942  75.7%     -    0s
H    0     0                       8.0000000   12.29942  53.7%     -    0s
     0     0   12.02176    0   74    8.00000   12.02176  50.3%     -    0s
     0     0   11.97375    0   73    8.00000   11.97375  49.7%     -    0s
H    0     0                       9.0000000   11.97375  33.0%     -    0s
     0     0   11.95779    0   75    9.00000   11.95779  32.9%     -    0s
     0     0   11.93704    0   75    9.00000   11.93704  32.6%     -    0s
     0     0   11.92657    0   75    9.00000   11.92657  32.5%     -    0s
     0     0   11.92354    0   76    9.00000   11.92354  32.5%     -    0s
     0     2   11.92332    0   76    9.00000   11.92332  32.5%     -    0s

Cutting planes:
  Gomory: 4
  Clique: 34
  Zero half: 7

Explored 36 nodes (2831 simplex iterations) in 0.33 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%