Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:09 2012

Optimize a model with 249 rows, 269 columns and 889 nonzeros
Presolve removed 0 rows and 28 columns
Presolve time: 0.00s
Presolved: 249 rows, 241 columns, 861 nonzeros
Variable types: 0 continuous, 241 integer (240 binary)
Found heuristic solution: objective 40.0000000

Root relaxation: objective 0.000000e+00, 144 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   98   40.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
     0     0    0.06226    0  100   27.00000    0.06226   100%     -    0s
H    0     0                      23.0000000    0.06226   100%     -    0s
H    0     0                      20.0000000    0.06226   100%     -    0s
     0     0    0.70339    0  104   20.00000    0.70339  96.5%     -    0s
H    0     0                      18.0000000    0.70339  96.1%     -    0s
     0     0    0.70339    0  104   18.00000    0.70339  96.1%     -    0s
H    0     0                      15.0000000    0.70339  95.3%     -    0s
H    0     0                      13.0000000    0.70339  94.6%     -    0s
     0     2    0.70383    0  104   13.00000    0.70383  94.6%     -    0s
H   27    22                       6.0000000    1.00000  83.3%  16.2    0s
*   31    14              21       5.0000000    1.00000  80.0%  14.3    0s

Cutting planes:
  Gomory: 3

Explored 124 nodes (3049 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%