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

Optimize a model with 363 rows, 84 columns and 726 nonzeros
Presolve removed 128 rows and 0 columns
Presolve time: 0.00s
Presolved: 235 rows, 84 columns, 565 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 3.090000e+01, 148 iterations, 0.00 seconds

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

     0     0   30.90000    0   73   23.00000   30.90000  34.3%     -    0s
H    0     0                      24.0000000   30.90000  28.7%     -    0s
H    0     0                      25.0000000   30.90000  23.6%     -    0s
     0     0   29.97826    0   78   25.00000   29.97826  19.9%     -    0s
     0     0   29.57143    0   74   25.00000   29.57143  18.3%     -    0s
     0     0   29.42857    0   78   25.00000   29.42857  17.7%     -    0s
H    0     0                      26.0000000   29.42857  13.2%     -    0s
     0     0   29.30014    0   77   26.00000   29.30014  12.7%     -    0s
     0     0   29.23856    0   79   26.00000   29.23856  12.5%     -    0s
     0     0   29.21465    0   81   26.00000   29.21465  12.4%     -    0s
     0     0   29.19444    0   80   26.00000   29.19444  12.3%     -    0s
     0     0   29.19141    0   80   26.00000   29.19141  12.3%     -    0s
     0     0   29.19141    0   80   26.00000   29.19141  12.3%     -    0s
     0     2   29.18894    0   79   26.00000   29.18894  12.3%     -    0s
*    5     5               3      27.0000000   29.18894  8.11%  44.2    0s

Cutting planes:
  Clique: 1
  Zero half: 32

Explored 22 nodes (1024 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%