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

Optimize a model with 192 rows, 64 columns and 384 nonzeros
Presolve removed 54 rows and 2 columns
Presolve time: 0.00s
Presolved: 138 rows, 62 columns, 305 nonzeros
Variable types: 0 continuous, 62 integer (62 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.700000e+01, 83 iterations, 0.00 seconds

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

     0     0   27.00000    0   46   22.00000   27.00000  22.7%     -    0s
     0     0   26.50000    0   43   22.00000   26.50000  20.5%     -    0s
H    0     0                      23.0000000   26.50000  15.2%     -    0s
     0     0   26.50000    0   45   23.00000   26.50000  15.2%     -    0s
H    0     0                      24.0000000   26.50000  10.4%     -    0s
     0     0   26.50000    0   35   24.00000   26.50000  10.4%     -    0s
     0     0   26.37500    0   59   24.00000   26.37500  9.90%     -    0s
H    0     0                      25.0000000   26.37500  5.50%     -    0s
     0     0   26.00000    0   56   25.00000   26.00000  4.00%     -    0s
     0     0     cutoff    0        25.00000   25.99997  4.00%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 30

Explored 0 nodes (298 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%