CI: Bump what4-solvers snapshot version

The previous version (`snapshot-20220812`) was using CVC5 1.0.1, which is too
old to work properly with `what4`. I have bumped the version to
`snapshot-20221212`, which includes CVC5 1.0.2.

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
   workflow_dispatch:
 
 env:
-  SOLVER_PKG_VERSION: "snapshot-20220812"
+  SOLVER_PKG_VERSION: "snapshot-20221212"
   # The CACHE_VERSION can be updated to force the use of a new cache if
   # the current cache contents become corrupted/invalid.  This can
   # sometimes happen when (for example) the OS version is changed but

Dockerfile

@@ -14,7 +14,7 @@ USER cryptol
 WORKDIR /cryptol
 RUN mkdir -p rootfs/usr/local/bin
 WORKDIR /cryptol/rootfs/usr/local/bin
-RUN curl -o solvers.zip -sL "https://github.com/GaloisInc/what4-solvers/releases/download/snapshot-20220812/ubuntu-22.04-bin.zip"
+RUN curl -o solvers.zip -sL "https://github.com/GaloisInc/what4-solvers/releases/download/snapshot-20221212/ubuntu-22.04-bin.zip"
 RUN unzip solvers.zip && rm solvers.zip && chmod +x *
 WORKDIR /cryptol
 ENV PATH=/cryptol/rootfs/usr/local/bin:/home/cryptol/.local/bin:/home/cryptol/.ghcup/bin:$PATH

README.md

@@ -46,7 +46,7 @@ Cryptol currently uses Microsoft Research's [Z3 SMT
 solver](https://github.com/Z3Prover/z3) by default to solve constraints
 during type checking, and as the default solver for the `:sat` and
 `:prove` commands.  Cryptol generally requires the most recent version
-of Z3, but you can see the specific version tested in CI by looking [here](https://github.com/GaloisInc/what4-solvers/releases/tag/snapshot-20220812).
+of Z3, but you can see the specific version tested in CI by looking [here](https://github.com/GaloisInc/what4-solvers/releases/tag/snapshot-20221212).
 
 You can download Z3 binaries for a variety of platforms from their
 [releases page](https://github.com/Z3Prover/z3/releases). If you

cryptol-remote-api/Dockerfile

@@ -64,7 +64,7 @@ ENV PATH=/usr/local/bin:/cryptol/rootfs/usr/local/bin:$PATH
 RUN mkdir -p rootfs/"${CRYPTOLPATH}" \
     && cp -r lib/* rootfs/"${CRYPTOLPATH}"
 WORKDIR /cryptol/rootfs/usr/local/bin
-RUN curl -sL -o solvers.zip "https://github.com/GaloisInc/what4-solvers/releases/download/snapshot-20220812/ubuntu-22.04-bin.zip" && \
+RUN curl -sL -o solvers.zip "https://github.com/GaloisInc/what4-solvers/releases/download/snapshot-20221212/ubuntu-22.04-bin.zip" && \
     unzip solvers.zip && rm solvers.zip && chmod +x *
 USER root
 RUN chown -R root:root /cryptol/rootfs