Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:37 2012

Optimize a model with 122 rows, 44 columns and 244 nonzeros
Presolve removed 61 rows and 10 columns
Presolve time: 0.00s
Presolved: 61 rows, 34 columns, 142 nonzeros
Variable types: 0 continuous, 34 integer (34 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 1.850000e+01, 42 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   18.50000    0   29   16.00000   18.50000  15.6%     -    0s
     0     0   17.97959    0   34   16.00000   17.97959  12.4%     -    0s
H    0     0                      17.0000000   17.97959  5.76%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 0 nodes (76 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%