Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:43 2012

Optimize a model with 234 rows, 70 columns and 468 nonzeros
Presolve removed 61 rows and 0 columns
Presolve time: 0.00s
Presolved: 173 rows, 70 columns, 389 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 2.854545e+01, 109 iterations, 0.00 seconds

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

     0     0   28.54545    0   61   21.00000   28.54545  35.9%     -    0s
H    0     0                      25.0000000   28.54545  14.2%     -    0s
     0     0   27.85714    0   58   25.00000   27.85714  11.4%     -    0s
     0     0   27.52817    0   67   25.00000   27.52817  10.1%     -    0s
     0     0   27.25926    0   68   25.00000   27.25926  9.04%     -    0s
     0     0   27.21243    0   69   25.00000   27.21243  8.85%     -    0s
     0     0   27.14885    0   69   25.00000   27.14885  8.60%     -    0s
     0     0   27.09091    0   68   25.00000   27.09091  8.36%     -    0s
     0     0   27.06086    0   70   25.00000   27.06086  8.24%     -    0s
     0     0   27.00000    0   66   25.00000   27.00000  8.00%     -    0s
     0     0   27.00000    0   66   25.00000   27.00000  8.00%     -    0s
     0     0   27.00000    0   63   25.00000   27.00000  8.00%     -    0s
     0     2   27.00000    0   63   25.00000   27.00000  8.00%     -    0s
*    2     2               2      26.0000000   27.00000  3.85%  40.5    0s

Cutting planes:
  Zero half: 22

Explored 3 nodes (569 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%