Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:40 2012

Optimize a model with 179 rows, 61 columns and 358 nonzeros
Presolve removed 65 rows and 8 columns
Presolve time: 0.00s
Presolved: 114 rows, 53 columns, 254 nonzeros
Variable types: 0 continuous, 53 integer (53 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 2.625000e+01, 82 iterations, 0.00 seconds

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

     0     0   26.25000    0   49   23.00000   26.25000  14.1%     -    0s
H    0     0                      24.0000000   26.25000  9.38%     -    0s
     0     0   26.00000    0   42   24.00000   26.00000  8.33%     -    0s
     0     0   25.71429    0   50   24.00000   25.71429  7.14%     -    0s
     0     0   25.40000    0   49   24.00000   25.40000  5.83%     -    0s
     0     0   25.24242    0   50   24.00000   25.24242  5.18%     -    0s
     0     0   25.22222    0   50   24.00000   25.22222  5.09%     -    0s
     0     0   25.20000    0   50   24.00000   25.20000  5.00%     -    0s
     0     0     cutoff    0        24.00000   24.99997  4.17%     -    0s

Cutting planes:
  Zero half: 32

Explored 0 nodes (224 simplex iterations) in 0.02 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%