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

Optimize a model with 165 rows, 122 columns and 532 nonzeros
Presolve time: 0.00s
Presolved: 165 rows, 122 columns, 532 nonzeros
Variable types: 0 continuous, 122 integer (122 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 0.000000e+00, 60 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   35.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     0    0.72131    0   43   22.00000    0.72131  96.7%     -    0s
     0     0    0.86400    0   43   22.00000    0.86400  96.1%     -    0s
     0     0    0.91005    0   43   22.00000    0.91005  95.9%     -    0s
     0     0    0.94276    0   44   22.00000    0.94276  95.7%     -    0s
     0     0    0.96019    0   46   22.00000    0.96019  95.6%     -    0s
     0     0    0.96916    0   46   22.00000    0.96916  95.6%     -    0s
     0     2    0.99401    0   46   22.00000    0.99401  95.5%     -    0s
*   22    20              14      19.0000000    2.75000  85.5%  21.4    0s
*   42    26              13      18.0000000    2.85714  84.1%  17.9    0s
*   73    32               9      16.0000000    5.25000  67.2%  18.7    0s

Cutting planes:
  Gomory: 1
  Zero half: 1
  Mod-K: 8

Explored 231 nodes (4493 simplex iterations) in 0.10 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%