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

Optimize a model with 96 rows, 48 columns and 192 nonzeros
Presolve removed 51 rows and 19 columns
Presolve time: 0.00s
Presolved: 45 rows, 29 columns, 94 nonzeros
Variable types: 0 continuous, 29 integer (29 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.300000e+01, 34 iterations, 0.00 seconds

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

     0     0   23.00000    0   14   22.00000   23.00000  4.55%     -    0s
     0     0 infeasible    0        22.00000   22.99998  4.55%     -    0s

Explored 0 nodes (53 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%