Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:41 2012

Optimize a model with 201 rows, 64 columns and 402 nonzeros
Presolve removed 58 rows and 4 columns
Presolve time: 0.00s
Presolved: 143 rows, 60 columns, 325 nonzeros
Variable types: 0 continuous, 60 integer (60 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 2.735714e+01, 89 iterations, 0.00 seconds

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

     0     0   27.35714    0   56   23.00000   27.35714  18.9%     -    0s
H    0     0                      24.0000000   27.35714  14.0%     -    0s
H    0     0                      25.0000000   27.35714  9.43%     -    0s
     0     0   26.00000    0   54   25.00000   26.00000  4.00%     -    0s
     0     0   26.00000    0   47   25.00000   26.00000  4.00%     -    0s
     0     0   26.00000    0   39   25.00000   26.00000  4.00%     -    0s
     0     0     cutoff    0        25.00000   25.99997  4.00%     -    0s

Cutting planes:
  Clique: 1
  Zero half: 31

Explored 0 nodes (223 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%