Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:35 2012

Optimize a model with 147 rows, 110 columns and 475 nonzeros
Presolve time: 0.00s
Presolved: 147 rows, 110 columns, 475 nonzeros
Variable types: 0 continuous, 110 integer (110 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 0.000000e+00, 53 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   36   38.00000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.56667    0   37   21.00000    0.56667  97.3%     -    0s
     0     0    1.21053    0   39   21.00000    1.21053  94.2%     -    0s
     0     0    1.65221    0   40   21.00000    1.65221  92.1%     -    0s
     0     0    1.67445    0   41   21.00000    1.67445  92.0%     -    0s
     0     2    1.70038    0   41   21.00000    1.70038  91.9%     -    0s
*   21    16              12      14.0000000    2.91154  79.2%  23.3    0s

Cutting planes:
  Gomory: 4
  Zero half: 1
  Mod-K: 1

Explored 176 nodes (3331 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%