Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:47 2012

Optimize a model with 317 rows, 76 columns and 634 nonzeros
Presolve removed 100 rows and 0 columns
Presolve time: 0.00s
Presolved: 217 rows, 76 columns, 517 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 2.758333e+01, 119 iterations, 0.00 seconds

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

     0     0   27.58333    0   69   21.00000   27.58333  31.3%     -    0s
H    0     0                      23.0000000   27.58333  19.9%     -    0s
     0     0   26.95238    0   74   23.00000   26.95238  17.2%     -    0s
     0     0   26.68910    0   74   23.00000   26.68910  16.0%     -    0s
     0     0   26.60784    0   76   23.00000   26.60784  15.7%     -    0s
     0     0   26.48629    0   76   23.00000   26.48629  15.2%     -    0s
     0     0   26.40299    0   75   23.00000   26.40299  14.8%     -    0s
     0     0   26.36940    0   75   23.00000   26.36940  14.6%     -    0s
H    0     0                      24.0000000   26.36940  9.87%     -    0s
     0     0   26.34416    0   76   24.00000   26.34416  9.77%     -    0s
     0     0   26.34139    0   76   24.00000   26.34139  9.76%     -    0s
     0     0   26.34139    0   75   24.00000   26.34139  9.76%     -    0s
     0     2   26.33844    0   75   24.00000   26.33844  9.74%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 35

Explored 38 nodes (1036 simplex iterations) in 0.06 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%