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 76 rows and 4 columns
Presolve time: 0.00s
Presolved: 158 rows, 66 columns, 363 nonzeros
Variable types: 0 continuous, 66 integer (66 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 2.790476e+01, 112 iterations, 0.00 seconds

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

     0     0   27.90476    0   59   25.00000   27.90476  11.6%     -    0s
H    0     0                      26.0000000   27.90476  7.33%     -    0s
     0     0   27.00000    0   44   26.00000   27.00000  3.85%     -    0s
     0     0   27.00000    0   58   26.00000   27.00000  3.85%     -    0s
     0     0   27.00000    0   49   26.00000   27.00000  3.85%     -    0s
     0     0   27.00000    0   53   26.00000   27.00000  3.85%     -    0s
     0     0   27.00000    0   51   26.00000   27.00000  3.85%     -    0s
     0     2   27.00000    0   45   26.00000   27.00000  3.85%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 15

Explored 13 nodes (1185 simplex iterations) in 0.11 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%