Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:35 2012

Optimize a model with 99 rows, 86 columns and 331 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 99 rows, 83 columns, 328 nonzeros
Variable types: 0 continuous, 83 integer (82 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 43 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   33   20.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.30612    0   35   14.00000    0.30612  97.8%     -    0s
     0     0    0.83174    0   38   14.00000    0.83174  94.1%     -    0s
H    0     0                      12.0000000    0.83174  93.1%     -    0s
     0     0    0.83174    0   38   12.00000    0.83174  93.1%     -    0s
     0     2    0.84169    0   38   12.00000    0.84169  93.0%     -    0s
*   16    14              11       8.0000000    3.47313  56.6%  14.4    0s

Cutting planes:
  Gomory: 4

Explored 76 nodes (915 simplex iterations) in 0.05 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%