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

Optimize a model with 208 rows, 63 columns and 416 nonzeros
Presolve removed 70 rows and 4 columns
Presolve time: 0.00s
Presolved: 138 rows, 59 columns, 316 nonzeros
Variable types: 0 continuous, 59 integer (59 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 2.666667e+01, 86 iterations, 0.00 seconds

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

     0     0   26.66667    0   53   21.00000   26.66667  27.0%     -    0s
H    0     0                      22.0000000   26.66667  21.2%     -    0s
H    0     0                      23.0000000   26.66667  15.9%     -    0s
H    0     0                      24.0000000   26.66667  11.1%     -    0s
     0     0   26.00000    0   58   24.00000   26.00000  8.33%     -    0s
     0     0   25.53378    0   58   24.00000   25.53378  6.39%     -    0s
     0     0   25.45055    0   58   24.00000   25.45055  6.04%     -    0s
     0     0   25.28571    0   59   24.00000   25.28571  5.36%     -    0s
     0     0   25.21053    0   59   24.00000   25.21053  5.04%     -    0s
     0     0   25.14231    0   57   24.00000   25.14231  4.76%     -    0s
     0     0   25.11111    0   56   24.00000   25.11111  4.63%     -    0s
     0     0   25.08696    0   56   24.00000   25.08696  4.53%     -    0s
     0     0   25.00000    0   56   24.00000   25.00000  4.17%     -    0s
     0     0     cutoff    0        24.00000   24.99997  4.17%     -    0s

Cutting planes:
  Zero half: 23

Explored 0 nodes (339 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%