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

Optimize a model with 147 rows, 57 columns and 294 nonzeros
Presolve removed 41 rows and 4 columns
Presolve time: 0.00s
Presolved: 106 rows, 53 columns, 239 nonzeros
Variable types: 0 continuous, 53 integer (53 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 2.557143e+01, 65 iterations, 0.00 seconds

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

     0     0   25.57143    0   48   24.00000   25.57143  6.55%     -    0s
     0     0     cutoff    0        24.00000   24.99997  4.17%     -    0s

Cutting planes:
  Clique: 5

Explored 0 nodes (105 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%