Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:42 2012

Optimize a model with 1933 rows, 88 columns and 3866 nonzeros
Presolve removed 1371 rows and 0 columns
Presolve time: 0.06s
Presolved: 562 rows, 88 columns, 3731 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.303986e+01, 308 iterations, 0.01 seconds

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

     0     0   13.03986    0   80    7.00000   13.03986  86.3%     -    0s
H    0     0                       8.0000000   13.03986  63.0%     -    0s
     0     0   12.62807    0   86    8.00000   12.62807  57.9%     -    0s
     0     0   12.58482    0   86    8.00000   12.58482  57.3%     -    0s
H    0     0                       9.0000000   12.58482  39.8%     -    0s
     0     0   12.56017    0   87    9.00000   12.56017  39.6%     -    0s
     0     0   12.54655    0   87    9.00000   12.54655  39.4%     -    0s
     0     0   12.54544    0   87    9.00000   12.54544  39.4%     -    0s
     0     0   12.54541    0   87    9.00000   12.54541  39.4%     -    0s
     0     0   12.54540    0   87    9.00000   12.54540  39.4%     -    0s
     0     2   12.54534    0   87    9.00000   12.54534  39.4%     -    0s

Cutting planes:
  Clique: 58
  Zero half: 1

Explored 57 nodes (4644 simplex iterations) in 0.72 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%