=== cxf-0001: parseImports ArrayList.contains visited-guard O(N²) — two sites ===
N=100   k=100  : defective=0.097ms  fixed=0.004ms  speedup=24.5x
N=500   k=500  : defective=2.310ms  fixed=0.022ms  speedup=104.2x
N=1000  k=1000 : defective=8.705ms  fixed=0.051ms  speedup=171.5x
N=2000  k=2000 : defective=36.734ms  fixed=0.114ms  speedup=323.0x

