Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:46 2012

Optimize a model with 285 rows, 75 columns and 570 nonzeros
Presolve removed 82 rows and 0 columns
Presolve time: 0.00s
Presolved: 203 rows, 75 columns, 470 nonzeros
Variable types: 0 continuous, 75 integer (75 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 2.975000e+01, 113 iterations, 0.00 seconds

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

     0     0   29.75000    0   62   21.00000   29.75000  41.7%     -    0s
H    0     0                      22.0000000   29.75000  35.2%     -    0s
H    0     0                      24.0000000   29.75000  24.0%     -    0s
     0     0   29.00000    0   63   24.00000   29.00000  20.8%     -    0s
H    0     0                      25.0000000   29.00000  16.0%     -    0s
     0     0   28.56522    0   71   25.00000   28.56522  14.3%     -    0s
     0     0   28.24444    0   71   25.00000   28.24444  13.0%     -    0s
     0     0   28.02198    0   73   25.00000   28.02198  12.1%     -    0s
     0     0   27.79016    0   74   25.00000   27.79016  11.2%     -    0s
     0     0   27.61682    0   74   25.00000   27.61682  10.5%     -    0s
     0     0   27.60996    0   75   25.00000   27.60996  10.4%     -    0s
     0     0   27.60996    0   74   25.00000   27.60996  10.4%     -    0s
     0     2   27.60714    0   74   25.00000   27.60714  10.4%     -    0s
*   22     1               5      26.0000000   26.75000  2.88%  18.1    0s

Cutting planes:
  Zero half: 33

Explored 23 nodes (807 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%