Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:54 2012

Optimize a model with 191 rows, 152 columns and 627 nonzeros
Presolve time: 0.00s
Presolved: 191 rows, 152 columns, 627 nonzeros
Variable types: 0 continuous, 152 integer (152 binary)
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 83 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   57   42.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
     0     0    0.62674    0   60   26.00000    0.62674  97.6%     -    0s
     0     0    0.71760    0   60   26.00000    0.71760  97.2%     -    0s
H    0     0                      25.0000000    0.71760  97.1%     -    0s
     0     0    0.86742    0   63   25.00000    0.86742  96.5%     -    0s
     0     0    0.94831    0   62   25.00000    0.94831  96.2%     -    0s
     0     0    0.94907    0   63   25.00000    0.94907  96.2%     -    0s
     0     2    0.98037    0   63   25.00000    0.98037  96.1%     -    0s
*   21    16              15      17.0000000    2.76364  83.7%  19.3    0s
*   41    24              13      15.0000000    2.83333  81.1%  19.0    0s
*   62    26              11      14.0000000    2.90000  79.3%  20.0    0s
*  282    17               7      13.0000000    9.50000  26.9%  15.0    0s

Cutting planes:
  Gomory: 1
  Mod-K: 4

Explored 325 nodes (5033 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%