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

Optimize a model with 99 rows, 40 columns and 198 nonzeros
Presolve removed 34 rows and 5 columns
Presolve time: 0.00s
Presolved: 65 rows, 35 columns, 148 nonzeros
Variable types: 0 continuous, 35 integer (35 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 1.720000e+01, 44 iterations, 0.00 seconds

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

     0     0   17.20000    0   32   14.00000   17.20000  22.9%     -    0s
H    0     0                      15.0000000   17.20000  14.7%     -    0s
     0     0   16.66667    0   32   15.00000   16.66667  11.1%     -    0s
H    0     0                      16.0000000   16.66667  4.17%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 0 nodes (64 simplex iterations) in 0.01 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%