Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:42 2012

Optimize a model with 215 rows, 67 columns and 430 nonzeros
Presolve removed 54 rows and 0 columns
Presolve time: 0.00s
Presolved: 161 rows, 67 columns, 355 nonzeros
Variable types: 0 continuous, 67 integer (67 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.800000e+01, 87 iterations, 0.00 seconds

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

     0     0   28.00000    0   59   22.00000   28.00000  27.3%     -    0s
     0     0   27.00000    0   63   22.00000   27.00000  22.7%     -    0s
H    0     0                      23.0000000   27.00000  17.4%     -    0s
     0     0   26.75869    0   66   23.00000   26.75869  16.3%     -    0s
     0     0   26.44444    0   62   23.00000   26.44444  15.0%     -    0s
     0     0   26.19231    0   62   23.00000   26.19231  13.9%     -    0s
     0     0   26.15556    0   65   23.00000   26.15556  13.7%     -    0s
H    0     0                      24.0000000   26.15556  8.98%     -    0s
     0     0   26.12791    0   66   24.00000   26.12791  8.87%     -    0s
     0     0   26.12231    0   66   24.00000   26.12231  8.84%     -    0s
     0     0   26.12231    0   66   24.00000   26.12231  8.84%     -    0s
     0     2   26.11812    0   66   24.00000   26.11812  8.83%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 30

Explored 26 nodes (588 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%