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

Optimize a model with 191 rows, 61 columns and 382 nonzeros
Presolve removed 46 rows and 0 columns
Presolve time: 0.00s
Presolved: 145 rows, 61 columns, 323 nonzeros
Variable types: 0 continuous, 61 integer (61 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.550000e+01, 82 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   49   22.00000   25.50000  15.9%     -    0s
     0     0   24.88889    0   60   22.00000   24.88889  13.1%     -    0s
H    0     0                      23.0000000   24.88889  8.21%     -    0s
     0     0   24.57143    0   57   23.00000   24.57143  6.83%     -    0s
H    0     0                      24.0000000   24.57143  2.38%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 9

Explored 0 nodes (194 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%