Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:39 2012

Optimize a model with 151 rows, 116 columns and 491 nonzeros
Presolve time: 0.00s
Presolved: 151 rows, 116 columns, 491 nonzeros
Variable types: 0 continuous, 116 integer (116 binary)
Found heuristic solution: objective 35.0000000
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 56 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   40   33.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.63333    0   41   23.00000    0.63333  97.2%     -    0s
H    0     0                      17.0000000    0.63333  96.3%     -    0s
     0     0    0.66667    0   42   17.00000    0.66667  96.1%     -    0s
H    0     0                      13.0000000    0.66667  94.9%     -    0s
     0     0    0.67172    0   43   13.00000    0.67172  94.8%     -    0s
     0     0    0.67172    0   43   13.00000    0.67172  94.8%     -    0s
     0     2    0.86667    0   43   13.00000    0.86667  93.3%     -    0s
*   19     9               7      12.0000000    5.25410  56.2%  23.5    0s

Cutting planes:
  Gomory: 1
  Mod-K: 2

Explored 42 nodes (1126 simplex iterations) in 0.06 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%