Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:42 2012

Optimize a model with 201 rows, 66 columns and 402 nonzeros
Presolve removed 61 rows and 4 columns
Presolve time: 0.00s
Presolved: 140 rows, 62 columns, 309 nonzeros
Variable types: 0 continuous, 62 integer (62 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 2.850000e+01, 80 iterations, 0.00 seconds

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

     0     0   28.50000    0   39   25.00000   28.50000  14.0%     -    0s
H    0     0                      26.0000000   28.50000  9.62%     -    0s
     0     0   28.00000    0   38   26.00000   28.00000  7.69%     -    0s
H    0     0                      27.0000000   28.00000  3.70%     -    0s
     0     0   28.00000    0   26   27.00000   28.00000  3.70%     -    0s
     0     0   28.00000    0   51   27.00000   28.00000  3.70%     -    0s
     0     0     cutoff    0        27.00000   27.99997  3.70%     -    0s

Cutting planes:
  Zero half: 16

Explored 0 nodes (136 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%