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

Optimize a model with 197 rows, 61 columns and 394 nonzeros
Presolve removed 84 rows and 9 columns
Presolve time: 0.00s
Presolved: 113 rows, 52 columns, 252 nonzeros
Variable types: 0 continuous, 52 integer (52 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 2.500000e+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   25.00000    0   30   21.00000   25.00000  19.0%     -    0s
H    0     0                      23.0000000   25.00000  8.70%     -    0s
H    0     0                      24.0000000   25.00000  4.17%     -    0s

Cutting planes:
  Gomory: 1

Explored 0 nodes (108 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 2.500000000000e+01, gap 4.1667%