Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:39 2012

Optimize a model with 143 rows, 55 columns and 286 nonzeros
Presolve removed 31 rows and 6 columns
Presolve time: 0.00s
Presolved: 112 rows, 49 columns, 234 nonzeros
Variable types: 0 continuous, 49 integer (49 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.550000e+01, 67 iterations, 0.00 seconds

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

     0     0   25.50000    0   37   22.00000   25.50000  15.9%     -    0s
H    0     0                      23.0000000   25.50000  10.9%     -    0s
     0     0   25.00000    0   45   23.00000   25.00000  8.70%     -    0s
     0     0   24.83333    0   38   23.00000   24.83333  7.97%     -    0s
H    0     0                      24.0000000   24.83333  3.47%     -    0s

Cutting planes:
  Zero half: 7

Explored 0 nodes (109 simplex iterations) in 0.01 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%