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

Optimize a model with 235 rows, 65 columns and 470 nonzeros
Presolve removed 76 rows and 0 columns
Presolve time: 0.00s
Presolved: 159 rows, 65 columns, 373 nonzeros
Variable types: 0 continuous, 65 integer (65 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 2.550000e+01, 102 iterations, 0.00 seconds

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

     0     0   25.50000    0   51   19.00000   25.50000  34.2%     -    0s
H    0     0                      20.0000000   25.50000  27.5%     -    0s
     0     0   24.90000    0   61   20.00000   24.90000  24.5%     -    0s
     0     0   24.50549    0   61   20.00000   24.50549  22.5%     -    0s
H    0     0                      21.0000000   24.50549  16.7%     -    0s
     0     0   24.36842    0   61   21.00000   24.36842  16.0%     -    0s
H    0     0                      22.0000000   24.36842  10.8%     -    0s
     0     0   24.05882    0   61   22.00000   24.05882  9.36%     -    0s
     0     0   23.96000    0   61   22.00000   23.96000  8.91%     -    0s
     0     0   23.88636    0   60   22.00000   23.88636  8.57%     -    0s
     0     0   23.72393    0   60   22.00000   23.72393  7.84%     -    0s
     0     0   23.70000    0   60   22.00000   23.70000  7.73%     -    0s
     0     0   23.70000    0   60   22.00000   23.70000  7.73%     -    0s
     0     2   23.70000    0   60   22.00000   23.70000  7.73%     -    0s

Cutting planes:
  Zero half: 29

Explored 13 nodes (605 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%