Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:27 2012

Optimize a model with 79 rows, 68 columns and 263 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 79 rows, 65 columns, 260 nonzeros
Variable types: 0 continuous, 65 integer (64 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 0.000000e+00, 36 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   25   14.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.28947    0   27   11.00000    0.28947  97.4%     -    0s
H    0     0                       9.0000000    0.28947  96.8%     -    0s
     0     0    0.81715    0   29    9.00000    0.81715  90.9%     -    0s
     0     0    0.81828    0   31    9.00000    0.81828  90.9%     -    0s
H    0     0                       8.0000000    0.81828  89.8%     -    0s
     0     2    0.82239    0   31    8.00000    0.82239  89.7%     -    0s
*   10     7               7       7.0000000    2.09459  70.1%  17.0    0s
*   16     2               4       6.0000000    2.12000  64.7%  13.8    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 2

Explored 19 nodes (394 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%