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

Optimize a model with 107 rows, 82 columns and 347 nonzeros
Presolve time: 0.00s
Presolved: 107 rows, 82 columns, 347 nonzeros
Variable types: 0 continuous, 82 integer (82 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 0.000000e+00, 41 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   28   27.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.54167    0   29   15.00000    0.54167  96.4%     -    0s
     0     0    1.00000    0   31   15.00000    1.00000  93.3%     -    0s
     0     0    1.00000    0   31   15.00000    1.00000  93.3%     -    0s
     0     0    1.00000    0   30   15.00000    1.00000  93.3%     -    0s
     0     0    1.00000    0   30   15.00000    1.00000  93.3%     -    0s
     0     0    1.00000    0   30   15.00000    1.00000  93.3%     -    0s
     0     2    1.00000    0   30   15.00000    1.00000  93.3%     -    0s
*   22    15              14      14.0000000    3.92593  72.0%  16.5    0s
*   39    21              12      13.0000000    4.04000  68.9%  13.6    0s
*   82    21               8      12.0000000    7.48588  37.6%  12.0    0s
*   94     8               7      11.0000000    8.00000  27.3%  11.5    0s

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

Explored 108 nodes (1595 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%