Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:13 2012

Optimize a model with 139 rows, 123 columns and 468 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 139 rows, 121 columns, 466 nonzeros
Variable types: 0 continuous, 121 integer (120 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 87 iterations, 0.00 seconds

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

     0     0    0.00000    0   51   30.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.49105    0   52   12.00000    0.49105  95.9%     -    0s
     0     0    1.00000    0   55   12.00000    1.00000  91.7%     -    0s
     0     0    1.00000    0   54   12.00000    1.00000  91.7%     -    0s
     0     0    1.00000    0   54   12.00000    1.00000  91.7%     -    0s
     0     0    1.00000    0   51   12.00000    1.00000  91.7%     -    0s
     0     2    1.00000    0   51   12.00000    1.00000  91.7%     -    0s
*   18    18              11       9.0000000    2.20755  75.5%  25.2    0s
*  106    24              11       8.0000000    4.05879  49.3%  18.5    0s

Cutting planes:
  Gomory: 3

Explored 162 nodes (3371 simplex iterations) in 0.11 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%