Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:47 2012

Optimize a model with 107 rows, 85 columns and 350 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 107 rows, 84 columns, 349 nonzeros
Variable types: 0 continuous, 84 integer (83 binary)
Found heuristic solution: objective 27.0000000
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 51 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   30   23.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.72593    0   31   15.00000    0.72593  95.2%     -    0s
     0     0    1.01709    0   32   15.00000    1.01709  93.2%     -    0s
     0     0    1.01709    0   32   15.00000    1.01709  93.2%     -    0s
     0     2    1.20280    0   32   15.00000    1.20280  92.0%     -    0s
*   16    16              10      12.0000000    2.45192  79.6%  16.9    0s
*   47    16               7      10.0000000    5.29864  47.0%  14.3    0s
*   54    11               7       9.0000000    5.36177  40.4%  13.5    0s

Cutting planes:
  Gomory: 2
  Mod-K: 1

Explored 75 nodes (1059 simplex iterations) in 0.04 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%