gf-formal

Installation
SKILL.md

GF-Formal -- Formal Verification Skill

Tool Detection

which sby

If not found:

---GATEFLOW-RESULT---
STATUS: ERROR
DETAILS: SymbiYosys not installed. Install to enable formal verification.
  pip install symbiyosys
  Also need: yosys, z3 (or yices2)
  macOS: brew install yosys z3
  Linux: sudo apt install yosys z3
---END-GATEFLOW-RESULT---
Installs
14
GitHub Stars
112
First Seen
May 26, 2026