Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:41 2012

Optimize a model with 208 rows, 61 columns and 416 nonzeros
Presolve removed 59 rows and 0 columns
Presolve time: 0.00s
Presolved: 149 rows, 61 columns, 341 nonzeros
Variable types: 0 continuous, 61 integer (61 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.493750e+01, 93 iterations, 0.00 seconds

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

     0     0   24.93750    0   56   22.00000   24.93750  13.4%     -    0s
     0     0   24.00000    0   57   22.00000   24.00000  9.09%     -    0s
     0     0   24.00000    0   49   22.00000   24.00000  9.09%     -    0s
     0     0   24.00000    0   56   22.00000   24.00000  9.09%     -    0s
     0     0   23.78571    0   56   22.00000   23.78571  8.12%     -    0s
H    0     0                      23.0000000   23.78571  3.42%     -    0s

Cutting planes:
  Zero half: 10

Explored 0 nodes (271 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%