Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:38 2012

Optimize a model with 112 rows, 51 columns and 224 nonzeros
Presolve removed 32 rows and 4 columns
Presolve time: 0.00s
Presolved: 80 rows, 47 columns, 177 nonzeros
Variable types: 0 continuous, 47 integer (47 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 2.366667e+01, 59 iterations, 0.00 seconds

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

     0     0   23.66667    0   42   19.00000   23.66667  24.6%     -    0s
H    0     0                      23.0000000   23.66667  2.90%     -    0s

Explored 0 nodes (65 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%