Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:03 2012

Optimize a model with 169 rows, 129 columns and 549 nonzeros
Presolve time: 0.00s
Presolved: 169 rows, 129 columns, 549 nonzeros
Variable types: 0 continuous, 129 integer (129 binary)
Found heuristic solution: objective 38.0000000
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 59 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   44   33.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.61765    0   45   23.00000    0.61765  97.3%     -    0s
     0     0    1.18094    0   47   23.00000    1.18094  94.9%     -    0s
     0     0    1.52794    0   47   23.00000    1.52794  93.4%     -    0s
     0     0    1.58780    0   51   23.00000    1.58780  93.1%     -    0s
     0     0    1.60196    0   48   23.00000    1.60196  93.0%     -    0s
     0     0    1.61687    0   52   23.00000    1.61687  93.0%     -    0s
     0     0    1.61687    0   52   23.00000    1.61687  93.0%     -    0s
     0     2    1.63568    0   52   23.00000    1.63568  92.9%     -    0s
*   22    22              15      18.0000000    3.46275  80.8%  22.9    0s
*  155    43               8      16.0000000    7.72671  51.7%  19.3    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 3

Explored 333 nodes (6111 simplex iterations) in 0.20 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%