Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:03 2012

Optimize a model with 105 rows, 86 columns and 346 nonzeros
Presolve time: 0.00s
Presolved: 105 rows, 86 columns, 346 nonzeros
Variable types: 0 continuous, 86 integer (86 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 0.000000e+00, 52 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   21.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.64802    0   35   15.00000    0.64802  95.7%     -    0s
     0     0    0.87166    0   39   15.00000    0.87166  94.2%     -    0s
     0     0    0.87273    0   36   15.00000    0.87273  94.2%     -    0s
     0     0    0.87273    0   37   15.00000    0.87273  94.2%     -    0s
     0     0    0.87273    0   36   15.00000    0.87273  94.2%     -    0s
     0     2    0.91282    0   36   15.00000    0.91282  93.9%     -    0s
*   12     9               8      10.0000000    3.34615  66.5%  17.5    0s

Cutting planes:
  Gomory: 1
  Mod-K: 3

Explored 52 nodes (774 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%