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

Optimize a model with 206 rows, 67 columns and 412 nonzeros
Presolve removed 55 rows and 2 columns
Presolve time: 0.00s
Presolved: 151 rows, 65 columns, 339 nonzeros
Variable types: 0 continuous, 65 integer (65 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 2.800000e+01, 97 iterations, 0.00 seconds

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

     0     0   28.00000    0   42   24.00000   28.00000  16.7%     -    0s
     0     0   27.60000    0   53   24.00000   27.60000  15.0%     -    0s
H    0     0                      25.0000000   27.60000  10.4%     -    0s
H    0     0                      26.0000000   27.60000  6.15%     -    0s
     0     0   27.33333    0   60   26.00000   27.33333  5.13%     -    0s
     0     0     cutoff    0        26.00000   26.99997  3.85%     -    0s

Cutting planes:
  Zero half: 72

Explored 0 nodes (256 simplex iterations) in 0.01 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%