Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:25 2012

Optimize a model with 1483 rows, 78 columns and 2966 nonzeros
Presolve removed 1038 rows and 0 columns
Presolve time: 0.03s
Presolved: 445 rows, 78 columns, 2766 nonzeros
Variable types: 0 continuous, 78 integer (78 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.218512e+01, 276 iterations, 0.01 seconds

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

     0     0   12.18512    0   73    5.00000   12.18512   144%     -    0s
H    0     0                       6.0000000   12.18512   103%     -    0s
H    0     0                       7.0000000   12.18512  74.1%     -    0s
     0     0   11.86431    0   75    7.00000   11.86431  69.5%     -    0s
     0     0   11.84046    0   75    7.00000   11.84046  69.1%     -    0s
H    0     0                       8.0000000   11.84046  48.0%     -    0s
     0     0   11.83269    0   76    8.00000   11.83269  47.9%     -    0s
     0     0   11.83180    0   76    8.00000   11.83180  47.9%     -    0s
     0     0   11.82347    0   75    8.00000   11.82347  47.8%     -    0s
     0     0   11.82311    0   75    8.00000   11.82311  47.8%     -    0s
     0     2   11.82263    0   75    8.00000   11.82263  47.8%     -    0s
*   36    11               4       9.0000000   11.45455  27.3%  45.2    0s

Cutting planes:
  Gomory: 2
  Clique: 20
  Zero half: 12

Explored 50 nodes (2552 simplex iterations) in 0.36 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%