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

Optimize a model with 225 rows, 67 columns and 450 nonzeros
Presolve removed 59 rows and 0 columns
Presolve time: 0.00s
Presolved: 166 rows, 67 columns, 370 nonzeros
Variable types: 0 continuous, 67 integer (67 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 2.650000e+01, 72 iterations, 0.00 seconds

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

     0     0   26.50000    0   47   24.00000   26.50000  10.4%     -    0s
     0     0   25.76923    0   60   24.00000   25.76923  7.37%     -    0s
     0     0     cutoff    0        24.00000   24.99997  4.17%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 2
  Zero half: 23

Explored 0 nodes (206 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%