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

Optimize a model with 204 rows, 65 columns and 408 nonzeros
Presolve removed 70 rows and 8 columns
Presolve time: 0.00s
Presolved: 134 rows, 57 columns, 285 nonzeros
Variable types: 0 continuous, 57 integer (57 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.750000e+01, 67 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   47   22.00000   27.50000  25.0%     -    0s
H    0     0                      24.0000000   27.50000  14.6%     -    0s
     0     0   27.00000    0   42   24.00000   27.00000  12.5%     -    0s
     0     0   26.92857    0   56   24.00000   26.92857  12.2%     -    0s
     0     0   26.66667    0   54   24.00000   26.66667  11.1%     -    0s
H    0     0                      25.0000000   26.66667  6.67%     -    0s
     0     0   26.25000    0   54   25.00000   26.25000  5.00%     -    0s
     0     0   26.17647    0   53   25.00000   26.17647  4.71%     -    0s
     0     0   26.12500    0   52   25.00000   26.12500  4.50%     -    0s
     0     0   26.08333    0   53   25.00000   26.08333  4.33%     -    0s
     0     0     cutoff    0        25.00000   25.99997  4.00%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 36

Explored 0 nodes (247 simplex iterations) in 0.02 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%