=== terraform-0001: Fix: add inStack map[Vertex]bool for O(1) membership test ===
N=100   k=100  : defective=0.102ms  fixed=0.004ms  speedup=25.2x
N=500   k=500  : defective=2.483ms  fixed=0.024ms  speedup=104.3x
N=1000  k=1000 : defective=9.989ms  fixed=0.053ms  speedup=189.0x
N=2000  k=2000 : defective=40.819ms  fixed=0.214ms  speedup=191.1x

=== terraform-0002: CWE-407: list-scan inside loop in terraform-0002 (generic model) ===
N=100   k=100  : defective=0.172ms  fixed=0.004ms  speedup=47.3x
N=500   k=500  : defective=2.429ms  fixed=0.025ms  speedup=95.7x
N=1000  k=1000 : defective=9.418ms  fixed=0.050ms  speedup=186.9x
N=2000  k=2000 : defective=38.853ms  fixed=0.106ms  speedup=368.3x

