Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:18 2012

Optimize a model with 175 rows, 127 columns and 562 nonzeros
Presolve time: 0.00s
Presolved: 175 rows, 127 columns, 562 nonzeros
Variable types: 0 continuous, 127 integer (127 binary)
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 57 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   40   42.00000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
     0     0    0.50000    0   41   28.00000    0.50000  98.2%     -    0s
     0     0    0.60000    0   42   28.00000    0.60000  97.9%     -    0s
     0     0    0.62500    0   42   28.00000    0.62500  97.8%     -    0s
     0     0    0.73820    0   48   28.00000    0.73820  97.4%     -    0s
     0     0    0.77083    0   44   28.00000    0.77083  97.2%     -    0s
     0     0    0.77571    0   45   28.00000    0.77571  97.2%     -    0s
H    0     0                      26.0000000    0.77571  97.0%     -    0s
     0     2    0.77817    0   45   26.00000    0.77817  97.0%     -    0s
*   25    20              13      25.0000000    3.63636  85.5%  23.9    0s
*   48    35              15      24.0000000    3.69565  84.6%  21.1    0s
*   68    38              14      21.0000000    6.03125  71.3%  22.0    0s
*   82    41              12      19.0000000    6.04348  68.2%  20.9    0s
*  102    38              10      17.0000000    7.86486  53.7%  19.5    0s
*  224     1               8      16.0000000   15.60000  2.50%  18.1    0s

Cutting planes:
  Gomory: 1
  Mod-K: 7

Explored 225 nodes (4361 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%