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

Optimize a model with 131 rows, 97 columns and 422 nonzeros
Presolve time: 0.00s
Presolved: 131 rows, 97 columns, 422 nonzeros
Variable types: 0 continuous, 97 integer (97 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 0.000000e+00, 47 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   31   29.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.60484    0   32   15.00000    0.60484  96.0%     -    0s
     0     0    1.21993    0   34   15.00000    1.21993  91.9%     -    0s
     0     0    1.77502    0   35   15.00000    1.77502  88.2%     -    0s
     0     0    1.78857    0   36   15.00000    1.78857  88.1%     -    0s
     0     2    1.82786    0   36   15.00000    1.82786  87.8%     -    0s
*   16    11              12      13.0000000    4.20648  67.6%  21.0    0s
*   49    11               9      12.0000000    5.66631  52.8%  15.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 4

Explored 82 nodes (1400 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%