{"evidenceTier":"self-signed","executor":{"implName":"manual-demand-test","implVersion":"1","mode":"manual","model":"claude-sonnet-5 (solve), reviewed"},"generatedAt":"2026-07-29T11:13:20.821Z","participant":{"agentEoa":"0xFF441e27D40e7e1A2a0d90fe94bbfB6fEf378E94"},"payload":{"base_commit":{"claimed":"0b88d5ff75f69b3740c8f0868e76f833cb2fd45d","clean_tree_before_apply":true,"verified_head_after_checkout":"0b88d5ff75f69b3740c8f0868e76f833cb2fd45d","verified_subject":"Release 1.3.8"},"build":{"bundle_install":"pass (15 Gemfile deps, 20 gems installed, no errors)","rake_compile":"pass (concurrent_ruby_ext.so built for aarch64-linux/ruby-3.4.10 and installed into lib/concurrent-ruby/concurrent/, exit code 0, no errors)"},"caveats":["Full suite: 1 failure observed (not the claimed 0), but it is spec/concurrent/channel/integration_spec.rb's pre-existing wall-clock timing test, reproduced identically on the UNPATCHED base commit with the patch fully reverted -- conclusively unrelated to this diff. Treated as not counting against the patch per the verification brief's flaky-test rule.","Example/pending counts differ slightly from STAGE_REPORTS' claimed 2802/0/16 (this run: 2801/1/13). The agent's Stage 3 run used 'rake ci' (deterministic order) on an unspecified local Ruby version/platform; this run used the exact 'bundle exec rspec' command specified in the verification brief on ruby:3.4 (3.4.10, aarch64 Linux, Debian trixie). Small count deltas are plausibly attributable to Ruby version/platform differences in which specs are pending-gated, not to the patch.","This verification environment is LP64 (pointer width == long width == 8 bytes on arm64 Linux), same class of platform as the original agent's arm64 macOS dev machine. Neither environment can exercise the Win64/LLP64 code path (RbConfig::SIZEOF['void*']==8 but 0.size==4) that the patch actually fixes -- both the bug and the fix are behavioral no-ops here. This is the same gap DESIGN.md and Stage 3 explicitly acknowledge; the real regression coverage for the fix itself still rests on the PR's own Windows CI job, not on any local verification (mine included).","JRuby/TruffleRuby behavior-preservation claims were not independently verified here either (neither runtime available in this container), matching Stage 3/4's own acknowledged gap.","Container ran linux/arm64 (host is Apple Silicon), not linux/amd64. Not specified as a requirement, but noted for reproducibility."],"flaky_reruns":[{"context":"as part of full offline suite run, patched tree","detail":"expected 5 tick lines, got 4 (seed 34394)","result":"FAILED","round":1},{"context":"isolated rerun of spec/concurrent/channel/integration_spec.rb only, offline, patched tree, per the 1-3-failures re-run protocol","detail":"18 examples, 1 failure; same default-selection.rb assertion, same off-by-one-tick pattern (seed 22476)","result":"FAILED","round":2},{"conclusion":"This proves the failure is a pre-existing, timing-sensitive flaky test unrelated to the patch -- it does not count against the patch per the verification brief's rule.","context":"control: git stash to revert to the UNPATCHED base commit (0b88d5ff), rerun the same isolated file offline, then git stash pop to restore the patch","detail":"18 examples, 1 failure; IDENTICAL failure (same diff/off-by-one-tick pattern) reproduces on the base commit with the patch entirely absent (seed 48026). Patch successfully restored afterward (verified via git status/diff --stat).","result":"FAILED","round":3}],"image":{"architecture":"arm64","base_distro":"Debian GNU/Linux 13 (trixie)","image_id":"sha256:860072e7fe163eb773167acba709201f6c6dfada20ef8506f1b4ab2307d12342","note":"Host Docker Desktop is Apple Silicon, so the container ran linux/arm64, not linux/amd64. Not requested to pin a platform; recorded for transparency. RbConfig::SIZEOF['void*']==8 here (LP64), same class as the original agent's arm64 macOS run -- this environment cannot exercise the Win64 (LLP64) code path the patch targets, same acknowledged gap as DESIGN.md/Stage 3.","os":"linux","ref":"ruby:3.4","resolved_digest":"sha256:7479193af487363406d7d25c4d238adaf4fa3446a1f89500dfd2d2ff9874ae97","ruby_version":"ruby 3.4.10 (2026-06-30 revision 2b0b7728dc) +PRISM [aarch64-linux]"},"network_disconnect_verification":"docker network disconnect on the container's bridge network; post-disconnect curl to https://rubygems.org returned exit code 6 (could not resolve host) / http_code 000","network_disconnected_for_tests":true,"new_spec":{"command":"RUBYOPT='-w' bundle exec rspec spec/concurrent/utility/native_integer_spec.rb --format documentation","duration":"0.00119 seconds","examples":5,"failures":0,"note":"On this arm64 Linux container RbConfig::SIZEOF['void*']==8 and 0.size==8 (LP64), so only the 8-byte-pointer branch of the spec executes; the fix is a behavioral no-op on this platform, matching DESIGN.md's own prediction. The 4-byte-pointer (Win64) branch was not exercised here, matching the acknowledged gap in DESIGN.md and Stage 3/4."},"patch_apply":{"files_changed":["CHANGELOG.md","lib/concurrent-ruby/concurrent/thread_safe/util.rb","lib/concurrent-ruby/concurrent/thread_safe/util/xor_shift_random.rb","lib/concurrent-ruby/concurrent/utility/native_integer.rb","spec/concurrent/utility/native_integer_spec.rb (new file)"],"git_apply_check":"pass","matches_stage_reports_file_list":true},"patch_sha256":{"claimed":"d81fc7586a5ce36fcf88a3f73853b5954c7db5e32031b020432f19001185e5ca","computed_in_container":"d81fc7586a5ce36fcf88a3f73853b5954c7db5e32031b020432f19001185e5ca","computed_on_host":"d81fc7586a5ce36fcf88a3f73853b5954c7db5e32031b020432f19001185e5ca","match":true},"single_failure":{"description":"channel integration tests A Tour of Go default-selection.rb","file_touched_by_patch":false,"is_this_the_type_of_flakiness_contributing_md_warns_about":true,"nature":"Wall-clock timing test: example script uses Channel.tick(0.1)/Channel.after(0.5)/sleep(0.05) and asserts an exact literal count of 'tick.' lines produced before a 500ms deadline. Under scheduling jitter the process can emit 4 ticks instead of the expected 5, failing the exact-string comparison.","spec":"./spec/concurrent/channel/integration_spec.rb:70"},"solutionCid":"bafkreibwmkpy2ifcqiban5fonemq6rlsntid3xawvxiahj2jgezsev7t5u","suite":{"claimed_by_stage_reports":{"command_used_by_agent":"RUBYOPT='-w' bundle exec rake ci (compile + spec:ci, --order defined, non-randomized)","examples":2802,"failures":0,"pending":16},"command":"RUBYOPT='-w' bundle exec rspec","discrepancy_note":"Verified run used the exact command specified in the verification brief (bundle exec rspec, default randomized order). The agent's Stage 3 claim used 'rake ci' (deterministic --order defined) on an unspecified local macOS Ruby (Stage 3 mentions ambient macOS system Ruby 2.6.10 as a bundler friction point but does not state which Ruby version actually ran the suite). Example/pending count differs by a small margin (2801 vs 2802 examples; 13 vs 16 pending) -- plausibly explained by Ruby engine/version or platform differences affecting which specs are gated pending, not by the patch. Pending breakdown this run: 5x 'the timing is nearly impossible' (Actor :clear_actions), 2x 'Not yet implemented', 6x 'will never be in shuttingdown? state' (thread pool) = 13, self-consistent with the summary line. None of the pending examples touch the 4 changed files.","run_1":{"duration":"3 minutes 8.8 seconds","examples":2801,"failures":1,"pending":13,"seed":34394}},"verdict":"pass","verdictCode":"pass","warnings_clean":true,"warnings_clean_checks":[{"command":"ruby -w -Ilib/concurrent-ruby -e \"require 'concurrent'\"","exit_code":0,"output":"(empty -- zero bytes of stdout/stderr)"},{"command":"grep -i warning against the full offline suite log, cross-checked against the 4 changed files' paths","pre_existing_unrelated_warnings_found":["rspec-mocks gem: 'literal string will be frozen in the future' (gem-internal, unrelated)","lib/concurrent-ruby/concurrent/settable_struct.rb:121 + synchronization/abstract_struct.rb:161: method redefinition (pre-existing, unrelated file)","spec/concurrent/struct_shared.rb:15: constant redefinition (pre-existing, unrelated file)","spec/concurrent/map_spec.rb:75: Ractor experimental warning (pre-existing, unrelated file)"],"result":"zero warnings originate from native_integer.rb, thread_safe/util.rb, thread_safe/util/xor_shift_random.rb, or the new native_integer_spec.rb"}]},"role":"verdict","schemaVersion":"jinn.execution.v1","signature":{"algo":"secp256k1","hash":"0x16331090afc547f6b819463cccfb265256f9fe300b24f1417d342bd8e4125ddd","sig":"0x9e76a78fe2d57a8d27beddcdf45d8d3a16705ffdc27ed734d4d078e9cf1113ed508962e6ecddbba8bb8495576873e9fc99b4f0c224633a232dac1b8a9fccea0001","signer":"0xFF441e27D40e7e1A2a0d90fe94bbfB6fEf378E94"},"solverType":"external-repo-fix.manual.v1","task":{"baseCommit":"0b88d5ff75f69b3740c8f0868e76f833cb2fd45d","cid":"bafkreihbl7ra425fsx55zqzwlvuoiibzazoo5u624pxgrplxlo3q5r2t4m","onchainCreationTx":"0x6da835d48901ffc03589487baed6a629c2d9d0965383b953c720a32e761511a6","repo":"ruby-concurrency/concurrent-ruby","requestId":"0xa1e083258d52e8636bdb4b784218b312062efed76d31c949df50fa28e44d607b"}}