Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:44 2012

Optimize a model with 268 rows, 72 columns and 536 nonzeros
Presolve removed 94 rows and 2 columns
Presolve time: 0.00s
Presolved: 174 rows, 70 columns, 420 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 2.829167e+01, 127 iterations, 0.00 seconds

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

     0     0   28.29167    0   65   24.00000   28.29167  17.9%     -    0s
H    0     0                      26.0000000   28.29167  8.81%     -    0s
     0     0   27.52632    0   63   26.00000   27.52632  5.87%     -    0s
     0     0   27.31790    0   66   26.00000   27.31790  5.07%     -    0s
     0     0   27.17614    0   66   26.00000   27.17614  4.52%     -    0s
     0     0   27.00000    0   61   26.00000   27.00000  3.85%     -    0s
     0     0     cutoff    0        26.00000   26.99997  3.85%     -    0s

Cutting planes:
  Zero half: 22

Explored 0 nodes (271 simplex iterations) in 0.02 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%