ci: pin Z3 to 4.15.4, the latest version without mut_recursive timeout#149
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The 4.16.0 release ships different glibc variants (x64: glibc-2.39, arm64: glibc-2.38) so the arch step now selects the correct variant automatically instead of using a single input default. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TLvxRwp1ZRCVP3X4JDithT
z3-variant now specifies the full platform string (e.g. x64-glibc-2.39) instead of just the libc suffix, eliminating the need for a separate arch-detection step. Updated checksums for the 4.16.0 release. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TLvxRwp1ZRCVP3X4JDithT
z3-4.16.0 introduced a regression where the mut_recursive example times out. Use 4.15.8, the latest release without the regression. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TLvxRwp1ZRCVP3X4JDithT
Bisected: the timeout regression was introduced in 4.15.5. Versions 4.15.5, 4.15.6, 4.15.7, 4.15.8, and 4.16.0 all timeout on the mut_recursive test; 4.15.4 and earlier pass. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TLvxRwp1ZRCVP3X4JDithT
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Summary
setup-z3action soz3-variantincludes the full platform string (e.g.x64-glibc-2.39) instead of just the libc suffix, removing the need for a separate arch-detection stepmut_recursivetimeout regression to Z3 4.15.5 — versions 4.15.5 through 4.16.0 all timeout; 4.15.4 and earlier passGenerated by Claude Code