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fix(ci): formal-verification — make creusot-verify prover install actually installable (refs #250) #298

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Merged
hyperpolymath merged 1 commit into from
Jul 1, 2026
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fix(ci): formal-verification — make creusot-verify prover install actually installable (refs #250) #298

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11 changes: 10 additions & 1 deletion .github/workflows/formal-verification.yml
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Expand Up @@ -90,15 +90,24 @@ jobs:

- name: Install Why3 and SMT solvers
run: |
set -euo pipefail
sudo apt-get update -qq
sudo apt-get install -y --no-install-recommends why3 z3 alt-ergo
sudo apt-get install -y --no-install-recommends why3 z3
# alt-ergo has no installation candidate in the Ubuntu 24.04
# (noble) apt repos (#250). Install the prebuilt musl static
# binary pinned from OCamlPro's GitHub releases instead — same
# provisioning pattern as live-provers.yml.
curl -sSL --max-time 120 -o /tmp/alt-ergo \
https://github.com/OCamlPro/alt-ergo/releases/download/v2.6.3/alt-ergo-v2.6.3-x86_64-linux-musl
sudo install -m 0755 /tmp/alt-ergo /usr/local/bin/alt-ergo
# why3 + z3 cover all current obligations. alt-ergo is included
# as a fallback solver for obligations z3 times out on.

- name: Verify Why3 installation
run: |
why3 --version
z3 --version
alt-ergo --version
why3 config detect

- name: Install Creusot
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