Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:42 2012

Optimize a model with 123 rows, 77 columns and 382 nonzeros
Presolve time: 0.00s
Presolved: 123 rows, 77 columns, 382 nonzeros
Variable types: 0 continuous, 77 integer (77 binary)
Found heuristic solution: objective 38.0000000
Found heuristic solution: objective 29.0000000

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   29.00000    0.00000   100%     -    0s
     0     0    0.85714    0   18   29.00000    0.85714  97.0%     -    0s
     0     0    0.96197    0   24   29.00000    0.96197  96.7%     -    0s
     0     0    1.05534    0   23   29.00000    1.05534  96.4%     -    0s
     0     0    1.07143    0   18   29.00000    1.07143  96.3%     -    0s
     0     0    1.07143    0   18   29.00000    1.07143  96.3%     -    0s
     0     0    1.07143    0   18   29.00000    1.07143  96.3%     -    0s
H    0     0                      28.0000000    1.07143  96.2%     -    0s
     0     2    1.07998    0   18   28.00000    1.07998  96.1%     -    0s
*   16    12              10      27.0000000    4.52381  83.2%  17.4    0s
*   18    11               9      26.0000000    4.52381  82.6%  16.5    0s
*   35    21              11      25.0000000    4.70330  81.2%  14.8    0s
*  224    35               9      23.0000000   13.66667  40.6%  10.6    0s

Cutting planes:
  Gomory: 1
  Mod-K: 6

Explored 340 nodes (3300 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%