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

Optimize a model with 190 rows, 65 columns and 380 nonzeros
Presolve removed 34 rows and 0 columns
Presolve time: 0.00s
Presolved: 156 rows, 65 columns, 332 nonzeros
Variable types: 0 continuous, 65 integer (65 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 2.750000e+01, 96 iterations, 0.00 seconds

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

     0     0   27.50000    0   57   21.00000   27.50000  31.0%     -    0s
H    0     0                      23.0000000   27.50000  19.6%     -    0s
     0     0   26.90000    0   65   23.00000   26.90000  17.0%     -    0s
H    0     0                      24.0000000   26.90000  12.1%     -    0s
     0     0   26.83333    0   64   24.00000   26.83333  11.8%     -    0s
     0     0   26.59259    0   60   24.00000   26.59259  10.8%     -    0s
     0     0   26.58333    0   65   24.00000   26.58333  10.8%     -    0s
     0     0   26.58333    0   65   24.00000   26.58333  10.8%     -    0s
H    0     0                      25.0000000   26.58333  6.33%     -    0s
     0     2   26.58333    0   64   25.00000   26.58333  6.33%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 28

Explored 15 nodes (459 simplex iterations) in 0.03 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%