Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:01 2012

Optimize a model with 225 rows, 157 columns and 717 nonzeros
Presolve time: 0.00s
Presolved: 225 rows, 157 columns, 717 nonzeros
Variable types: 0 continuous, 157 integer (157 binary)
Found heuristic solution: objective 48.0000000

Root relaxation: objective 0.000000e+00, 70 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   45   48.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.73580    0   47   41.00000    0.73580  98.2%     -    0s
H    0     0                      40.0000000    0.73580  98.2%     -    0s
     0     0    1.00815    0   48   40.00000    1.00815  97.5%     -    0s
H    0     0                      38.0000000    1.00815  97.3%     -    0s
     0     0    1.00815    0   48   38.00000    1.00815  97.3%     -    0s
     0     0    1.00815    0   48   38.00000    1.00815  97.3%     -    0s
H    0     0                      37.0000000    1.00815  97.3%     -    0s
     0     2    1.03926    0   48   37.00000    1.03926  97.2%     -    0s
*   23    23              13      32.0000000    3.66667  88.5%  28.8    0s
*   35    18              16      31.0000000    3.66667  88.2%  22.0    0s
*   66    34              18      30.0000000    3.68384  87.7%  19.2    0s
*  113    61              15      29.0000000    7.00000  75.9%  22.0    0s
*  210    80              12      27.0000000   10.46246  61.3%  21.3    0s

Cutting planes:
  Gomory: 1
  Mod-K: 3

Explored 932 nodes (15989 simplex iterations) in 0.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%