Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:36 2012

Optimize a model with 53 rows, 32 columns and 106 nonzeros
Presolve removed 33 rows and 16 columns
Presolve time: 0.00s
Presolved: 20 rows, 16 columns, 40 nonzeros
Variable types: 0 continuous, 16 integer (16 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 1.700000e+01, 19 iterations, 0.00 seconds

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

     0     0   17.00000    0   12   16.00000   17.00000  6.25%     -    0s

Explored 0 nodes (30 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%