Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:43 2012

Optimize a model with 127 rows, 79 columns and 394 nonzeros
Presolve time: 0.00s
Presolved: 127 rows, 79 columns, 394 nonzeros
Variable types: 0 continuous, 79 integer (79 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 24 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   16   33.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
     0     0    0.83333    0   18   31.00000    0.83333  97.3%     -    0s
     0     0    1.05090    0   28   31.00000    1.05090  96.6%     -    0s
H    0     0                      28.0000000    1.05090  96.2%     -    0s
     0     0    1.08333    0   18   28.00000    1.08333  96.1%     -    0s
     0     0    1.16667    0   18   28.00000    1.16667  95.8%     -    0s
     0     0    1.16667    0   18   28.00000    1.16667  95.8%     -    0s
     0     0    1.16667    0   18   28.00000    1.16667  95.8%     -    0s
     0     2    1.52455    0   18   28.00000    1.52455  94.6%     -    0s
*   19    10               8      27.0000000    5.16667  80.9%  16.3    0s
*   38    15               9      26.0000000    5.43590  79.1%  13.4    0s

Cutting planes:
  Gomory: 1
  Mod-K: 5

Explored 276 nodes (2899 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%