improved efficiency of BDD-infer
also use "if c then e1 else e2" in generated formulas instead of (c /\ e1) / (not c /\ e2)
GitLab upgrade completed. Current version is 18.1.6 - https://about.gitlab.com/releases/2025/06/19/gitlab-18-1-released/
also use "if c then e1 else e2" in generated formulas instead of (c /\ e1) / (not c /\ e2)