Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:40 2012

Optimize a model with 152 rows, 58 columns and 304 nonzeros
Presolve removed 61 rows and 9 columns
Presolve time: 0.00s
Presolved: 91 rows, 49 columns, 196 nonzeros
Variable types: 0 continuous, 49 integer (49 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.500000e+01, 60 iterations, 0.00 seconds

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

     0     0   25.00000    0   42   22.00000   25.00000  13.6%     -    0s
H    0     0                      23.0000000   25.00000  8.70%     -    0s
     0     0   24.00000    0   45   23.00000   24.00000  4.35%     -    0s
H    0     0                      24.0000000   24.00000   0.0%     -    0s

Cutting planes:
  Gomory: 2
  Zero half: 6

Explored 0 nodes (87 simplex iterations) in 0.00 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%