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

Optimize a model with 212 rows, 66 columns and 424 nonzeros
Presolve removed 75 rows and 5 columns
Presolve time: 0.00s
Presolved: 137 rows, 61 columns, 311 nonzeros
Variable types: 0 continuous, 61 integer (61 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.675000e+01, 76 iterations, 0.00 seconds

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

     0     0   26.75000    0   51   22.00000   26.75000  21.6%     -    0s
H    0     0                      23.0000000   26.75000  16.3%     -    0s
     0     0   26.00000    0   50   23.00000   26.00000  13.0%     -    0s
     0     0   26.00000    0   52   23.00000   26.00000  13.0%     -    0s
     0     0   26.00000    0   42   23.00000   26.00000  13.0%     -    0s
     0     2   26.00000    0   42   23.00000   26.00000  13.0%     -    0s
*   13     3               3      24.0000000   26.00000  8.33%  15.7    0s

Cutting planes:
  Gomory: 2
  Zero half: 6

Explored 32 nodes (601 simplex iterations) in 0.02 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%