Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:46 2012

Optimize a model with 294 rows, 76 columns and 588 nonzeros
Presolve removed 91 rows and 0 columns
Presolve time: 0.00s
Presolved: 203 rows, 76 columns, 468 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.900000e+01, 134 iterations, 0.00 seconds

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

     0     0   29.00000    0   58   22.00000   29.00000  31.8%     -    0s
H    0     0                      24.0000000   29.00000  20.8%     -    0s
     0     0   28.57143    0   73   24.00000   28.57143  19.0%     -    0s
     0     0   28.40000    0   68   24.00000   28.40000  18.3%     -    0s
H    0     0                      25.0000000   28.40000  13.6%     -    0s
     0     0   28.23125    0   75   25.00000   28.23125  12.9%     -    0s
     0     0   27.99024    0   75   25.00000   27.99024  12.0%     -    0s
     0     0   27.91980    0   76   25.00000   27.91980  11.7%     -    0s
     0     0   27.68239    0   75   25.00000   27.68239  10.7%     -    0s
     0     0   27.62069    0   73   25.00000   27.62069  10.5%     -    0s
     0     0   27.60501    0   76   25.00000   27.60501  10.4%     -    0s
     0     0   27.60501    0   76   25.00000   27.60501  10.4%     -    0s
     0     2   27.60430    0   76   25.00000   27.60430  10.4%     -    0s

Cutting planes:
  Zero half: 40

Explored 54 nodes (1515 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%