Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:52 2012

Optimize a model with 371 rows, 83 columns and 742 nonzeros
Presolve removed 133 rows and 0 columns
Presolve time: 0.00s
Presolved: 238 rows, 83 columns, 590 nonzeros
Variable types: 0 continuous, 83 integer (83 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 3.028571e+01, 160 iterations, 0.00 seconds

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

     0     0   30.28571    0   81   24.00000   30.28571  26.2%     -    0s
     0     0   29.65116    0   81   24.00000   29.65116  23.5%     -    0s
     0     0   29.54219    0   82   24.00000   29.54219  23.1%     -    0s
     0     0   29.35019    0   81   24.00000   29.35019  22.3%     -    0s
H    0     0                      25.0000000   29.35019  17.4%     -    0s
     0     0   29.15456    0   80   25.00000   29.15456  16.6%     -    0s
     0     0   29.09703    0   81   25.00000   29.09703  16.4%     -    0s
     0     0   29.06828    0   83   25.00000   29.06828  16.3%     -    0s
     0     0   29.06562    0   83   25.00000   29.06562  16.3%     -    0s
     0     0   29.06562    0   82   25.00000   29.06562  16.3%     -    0s
     0     2   29.06367    0   82   25.00000   29.06367  16.3%     -    0s
H   18    10                      26.0000000   28.84615  10.9%  25.7    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 31

Explored 65 nodes (1836 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%