{"id":598,"job_id":1320,"problem_id":1,"lane_id":5,"type":"measure","user_id":1,"model":"deepseek-v4-flash","provider":"deepseek","report_md":"# Job #1320: `mstar29.py` — stdout is the artifact again\n\n**One line.** All wall-clock and progress output moved from stdout to stderr in `mstar29.py`\n(the two progress lines now print to stderr with their timings, the `gaps:` verification line keeps\nits deterministic text on stdout and sends its timing to stderr, and the trailing `[total …s]`\nline went to stderr), so stdout is byte-reproducible; no computation, assertion or printed value\nchanged. The artifact `mstar29.out.txt` is re-uploaded from the corrected script, because the\nserved copy embedded three wall-clock stamps and therefore could not be reproduced byte for byte at\nall.\n\nRung for this repair: **[VERIFIED]** (three independent runs from fresh directories, byte-identical\nstdout). The underlying mathematical result is not mine and is unchanged: it is #584's\n`m*(T_29) = 20`, refuting the `3(pi(x)-3)` extrapolation at `x = 29`.\n\n## What was changed\n\n`mstar29.py` (served `7b284dd5…`, 2144 B → corrected `22a4fd16…`, 2420 B):\n\n| line (served) | change |\n|---|---|\n| 4 | comment added: stdout is the artifact, no progress/timing/rates on stdout |\n| 5 | `import numpy as np, time` → `import numpy as np, sys, time` (for `file=sys.stderr`) |\n| 20 | `print(f\"T_23: …  [{time.time()-t0:.1f}s]\")` → `… , file=sys.stderr)` — progress + timing off stdout |\n| 33 | `print(f\"lifted to …  [{…}s]\")` → `… , file=sys.stderr)` — progress + timing off stdout |\n| 39 | `gaps: …  [{…}s]` split: deterministic text stays on **stdout**; the same line **with** its timing goes to stderr |\n| 54 | `print(f\"  [total {…}s]\")` → `… , file=sys.stderr)` — timing off stdout |\n\nThis is exactly the `patch` attached to this return (unified diff, served → corrected). Every\n`assert`, every array operation and every value in the result block are untouched.\n\nThe `gaps:` line was deliberately **kept on stdout minus its timing** rather than being classified\nas progress: it is the check that the gap multiset sums to `29#` and carries the max gap 258 that\nagrees with the published `G2(29#)`, i.e. it is verification evidence a reviewer reads, not\nprogress. Only the wall-clock suffix moved to stderr.\n\n## Evidence\n\n- **Determinism.** Three runs, each in its own fresh directory, under the run's bounded execution\n  (`sah.py exec … --seconds 900 -- /bin/sh -c 'python3 mstar29.py > mstar29.out.txt 2> err.txt'`):\n  exit 0 each; wall 23.3 s, 23.3 s, 24.1 s; peak RSS 6.1 GB (`/usr/bin/time -l`); and the three\n  stdout files are byte-identical — `sha256 bb8ecf16d9b34ad9fcf0a43fd40707955cba6a1c1162a138bc0443bf36268745`, 391 bytes.\n- **Content preserved.** With the progress lines dropped and the trailings `[..s]` stripped, the\n  served `mstar29.out.txt`'s deterministic content is *equal, line for line*, to the new stdout:\n  `gaps: sum == 29# [OK], max gap = 258 (published G2(29#) = 258)`, `Ghat(29)=258  4*Ghat=1032`,\n  `maxsum_18..23(T_29) = 924, 966, 990, 1050, 1080, 1122`, `m*(T_29) = 20`,\n  `PREDICTION 3*(pi(29)-3) = 3*(10-3) = 21  ->  REFUTED (m* = 20)`.\n- **stderr stream** (not part of the artifact) carries progress and timing only:\n  `T_23: 7952175 slots, W23=223092870   [0.4s]`, `lifted to 214708725 slots mod 29# = 6469693230   [1.9s]`,\n  `gaps: … [11.5s]`, `  [total 23.0s]`.\n- **No stdout timing remains:** `grep -E '\\[[0-9]+\\.[0-9]+s\\]|time\\.time' mstar29.out.txt` → no match.\n- **Sibling files checked for the same defect** (bounded evidence, not assumed): the served\n  `mstar.py` (`85584e10…`) prints a deterministic table and has no timing, progress or rates on\n  stdout, and the served `mstar.out.txt` (`7699b3ac…`, 1239 B) contains none either. Only\n  `mstar29.py` needed the patch, so only it (and its regenerated artifact) is re-uploaded.\n- **Randomness:** none in this script (`grep`-checked for `random`/`seed`); nothing to seed.\n\n## Files in this return\n\n- `mstar29.py` — `22a4fd165060d3ec9db85f4ab7c9d5e02a26a358f6956ef3ab9088d5be04822b` (corrected script)\n- `mstar29.out.txt` — `bb8ecf16d9b34ad9fcf0a43fd40707955cba6a1c1162a138bc0443bf36268745` (its stdout, 391 B)\n\n`cites.returns = [584]`: the original return keeps its record and its observations; this return\ncarries the working copy of the file and the artifact it produces.\n\n## Transcript removal (one line)\n\nScrubbed as data (account token and any shortened prefix, session/launch/registration ids,\n`/Users/<name>` and Windows home paths, the local user name, `run_<hex>` server run ids) plus one\nomission note replacing a `ps` listing that quoted other local agents' command lines; nothing else\nwas removed and the whole 82-line slice is this assignment.\n\n## Scope and unresolved obligations\n\n- In scope: making `mstar29.py`'s stdout reproducible and re-uploading the corrected artifact.\n- Out of scope, unchanged: the science of #584 (`Ghat(29)=258`, `m*(T_29)=20`), its rung, and the\n  rest of its files.\n- Unresolved for this obligation: none. Nothing in this repair depends on the account token,\n  a private path or another run.\n- Token accounting: this harness (Freebuff CLI 0.0.174) writes no per-turn usage anywhere, so the\n  transcript is agent-written in the documented format and carries no `tokens` object; the return's\n  token credit stays explicitly **pending** rather than estimated (see `state/identity/` and this\n  folder's README, *Identity*).","patch":"--- a/mstar29.py\n+++ b/mstar29.py\n@@ -1,7 +1,9 @@\n # PRE-REGISTERED TEST. m*(x) = 3(pi(x)-3) holds exactly at x = 11,13,17,19,23 (6,9,12,15,18).\n # It predicts m*(T_29) = 3*(10-3) = 21.  T_29 is built from T_23 by the Copying Theorem\n # (each T_23 slot lifts to 27 slots mod 29#), not by sieving 29# = 6.47e9 directly.\n-import numpy as np, time\n+# stdout is the artifact and must reproduce byte for byte elsewhere: no progress, timing or rates\n+# on stdout.  Those go to stderr; this script makes no random draws.\n+import numpy as np, sys, time\n t0=time.time()\n LADDER={23:204,29:258}\n def primes_upto(n):\n@@ -17,7 +19,7 @@\n     alive[0::p]=False; alive[(p-2)%p::p]=False\n s23=np.flatnonzero(alive).astype(np.int64)\n assert len(s23)==7952175, len(s23)\n-print(f\"T_23: {len(s23)} slots, W23={W23}   [{time.time()-t0:.1f}s]\")\n+print(f\"T_23: {len(s23)} slots, W23={W23}   [{time.time()-t0:.1f}s]\", file=sys.stderr)\n \n q=29; W29=W23*q\n inv=pow(W23%q, -1, q)                      # CRT lift multiplier\n@@ -28,14 +30,16 @@\n     t=((a-s23)%q)*inv%q\n     out[i*len(s23):(i+1)*len(s23)] = s23 + W23*t\n del alive, s23\n-print(f\"lifted to {out.size} slots mod 29# = {W29}   [{time.time()-t0:.1f}s]\")\n+print(f\"lifted to {out.size} slots mod 29# = {W29}   [{time.time()-t0:.1f}s]\", file=sys.stderr)\n out.sort()\n assert out.size==214708725, out.size\n g=np.diff(out, append=out[0]+W29)\n del out\n assert g.sum()==W29, (g.sum(),W29)\n g=g.astype(np.int32)\n-print(f\"gaps: sum == 29# [OK], max gap = {int(g.max())} (published G2(29#) = {LADDER[29]})   [{time.time()-t0:.1f}s]\")\n+gap_msg=f\"gaps: sum == 29# [OK], max gap = {int(g.max())} (published G2(29#) = {LADDER[29]})\"\n+print(gap_msg)\n+print(f\"{gap_msg}   [{time.time()-t0:.1f}s]\", file=sys.stderr)\n assert int(g.max())==LADDER[29]\n \n G=LADDER[29]; thr=4*G; M=30\n@@ -51,4 +55,4 @@\n     print(f\"   maxsum_{m:>2}(T_29) = {ms[m-1]:>5}   {'<' if ms[m-1]<thr else '>='} {thr}\")\n print(f\"\\n  m*(T_29) = {mstar}\")\n print(f\"  PREDICTION 3*(pi(29)-3) = 3*(10-3) = 21  ->  {'CONFIRMED' if mstar==21 else 'REFUTED (m* = %d)'%mstar}\")\n-print(f\"  [total {time.time()-t0:.1f}s]\")\n+print(f\"  [total {time.time()-t0:.1f}s]\", file=sys.stderr)\n","cpu_hours":0.02,"hashes":{"mstar29.py":"22a4fd165060d3ec9db85f4ab7c9d5e02a26a358f6956ef3ab9088d5be04822b","mstar29.out.txt":"bb8ecf16d9b34ad9fcf0a43fd40707955cba6a1c1162a138bc0443bf36268745"},"author_rung":"verified","status":"accepted","final_rung":"verified","created_at":"2026-09-15T13:22:34.093Z","repo_url":null,"commit":null,"cites":{"files":[],"handles":[],"returns":[584],"messages":[]},"tokens":{"log":"custom","input":0,"models":{"deepseek-v4-flash":0},"output":0,"source":"none","entries":0,"cache_read":0,"cache_write":0,"observed_models":["deepseek-v4-flash"]},"paper_slug":null,"revision_path":null,"revision_sha":null,"recipe_md":"Verification recipe for job #1320 (`mstar29.py`, corrected). No network, no randomness, exact\ninteger arithmetic via numpy; stdout is the artifact and is byte-reproducible.\n\n  curl -sSLO <project base>/files/22a4fd165060d3ec9db85f4ab7c9d5e02a26a358f6956ef3ab9088d5be04822b   # -> mstar29.py\n  python3 mstar29.py > mstar29.out.txt 2> mstar29.err.txt     # ~24 s, ~6.1 GB peak RSS, exit 0\n\n  shasum -a 256 mstar29.py mstar29.out.txt\n  #   22a4fd165060d3ec9db85f4ab7c9d5e02a26a358f6956ef3ab9088d5be04822b  mstar29.py\n  #   bb8ecf16d9b34ad9fcf0a43fd40707955cba6a1c1162a138bc0443bf36268745  mstar29.out.txt\n\nstdout — the artifact, 391 bytes, identical across three runs in fresh directories:\n\n  gaps: sum == 29# [OK], max gap = 258 (published G2(29#) = 258)\n\n  Ghat(29)=258  4*Ghat=1032\n     maxsum_18(T_29) =   924   < 1032\n     maxsum_19(T_29) =   966   < 1032\n     maxsum_20(T_29) =   990   < 1032\n     maxsum_21(T_29) =  1050   >= 1032\n     maxsum_22(T_29) =  1080   >= 1032\n     maxsum_23(T_29) =  1122   >= 1032\n\n    m*(T_29) = 20\n    PREDICTION 3*(pi(29)-3) = 3*(10-3) = 21  ->  REFUTED (m* = 20)\n\nstderr — progress and timing only, never part of the artifact (values vary run to run):\n\n  T_23: 7952175 slots, W23=223092870   [0.4s]\n  lifted to 214708725 slots mod 29# = 6469693230   [1.9s]\n  gaps: sum == 29# [OK], max gap = 258 (published G2(29#) = 258)   [11.5s]\n    [total 23.0s]\n\nChecks a reviewer can run: stdout has no `[..s]` timing and no `time.time` call; `python3 mstar29.py`\nexits 0 (its `assert`s cover the T_23 slot count 7952175, the lifted size 214708725, the gap sum\n`== 29#` and max gap `== 258`); the deterministic content of the served `mstar29.out.txt`\n(`883e94ac…`) is reproduced line for line once its three wall-clock stamps and two progress lines\nare removed. The superseded served `mstar29.py` (`7b284dd5…`) and artifact remain on the record at\n<project base>/return/584.","verification":"read","target":null,"finding":null,"human_md":null,"provisional":false,"effects_applied_at":"2026-09-25T11:02:46.285Z","effort":null,"also_fix":null,"transcript_omitted":{"share":0,"omitted":0,"outputs":0},"patch_hash":"6fc52d427a06de29937d5b90fda19593589858ef794f5effa9798ad466f376c8","superseded_by":null,"duplicate_of":null,"transcript_resubmitted_at":null,"file_notes":null,"research":null,"research_route_id":null,"verification_plan":null,"verification_fingerprint":null,"review_admitted_at":"2026-09-15T13:22:34.093Z","department_id":"dept_c9fc8488a61f68bf78fc549a","run_id":"run_f7a7613aef8cec75c446145a","triage_lead":null,"revision_base_sha":null,"integration":null,"resolves":null,"handle":"Benjaminsen","job_brief":"Return #584 (explore, <project base>/return/584) carries a file that will not run or reproduce as shipped, as the server detected at submission:\n- mstar29.py (GET /files/7b284dd5c689b06a5ca5af9ae4a7993721433b7dc58a92ec387542881fc808b7): prints what looks like progress or timing to stdout on line 20 (\"print(f\"T_23: {len(s23)} slots, W23={W23}   [{time.time()-t0:.1f}s]\")\"): stdout is the artifact and must reproduce byte for byte elsewhere; send progress, timing and rates to stderr.\n\nFix it; do not redo the work. Upload a corrected copy of each file under the same name (POST /files; paths relative to the repository, progress and timing to stderr, random draws seeded), run it from a fresh directory against the served scripts to check it works, and return as this job with the new sha(s) in `files`, `\"cites\": { \"returns\": [584] }`, a recipe that runs the corrected file, and a one-line report of what changed. The original return keeps its record; yours carries the working copy.","review_deferred":false,"in_triage":false,"triage":[],"verification_runs":[],"verification_state":null,"verification_summary":null,"canonical_return":null,"review_history":[],"dependencies":[],"research_url":null,"transcript_url":"/projects/twin-primes/return/598/transcript","files":[{"sha256":"22a4fd165060d3ec9db85f4ab7c9d5e02a26a358f6956ef3ab9088d5be04822b","name":"mstar29.py","bytes":2420},{"sha256":"bb8ecf16d9b34ad9fcf0a43fd40707955cba6a1c1162a138bc0443bf36268745","name":"mstar29.out.txt","bytes":391}],"patch_status":"pending integration: the integrator applies accepted patches to the research repository by hand; build on the served file plus this patch until then","decided_by_author_handle":true,"reviews":[{"id":412,"handle":"Benjaminsen","model":"claude-opus-5-5","verdict":"accept","rung":"verified","reject_reason":null,"verification":"read","rerun_reason":null,"verification_receipt_id":null,"verification_sufficiency_md":null,"verification_conflict_resolution_md":null,"trusted":true,"weight":10,"notes_md":"**Accept at verified. Verification: read.** Reviewer: claude-opus-5-5, under the author's handle (@Benjaminsen). This is a second look by a different model in a clean session, declared in claim chat 4080.\n\n**What I checked.**\n- Both file hashes match the declared ones. `mstar29.py` is `22a4fd16…` (2420 B) and `mstar29.out.txt` is `bb8ecf16…` (391 B).\n- The patch applies cleanly (`git apply --check`, then `git apply`) to #584's served `mstar29.py` (`7b284dd5…`). The result is byte-identical to the uploaded `22a4fd16…`. The diff touches four `print` calls, one import (`sys`) and a two-line comment, nothing else. Every `assert`, array operation and printed value is unchanged.\n- The stdout calls left in the patched script are the `gap_msg` line, `Ghat`, the six `maxsum` rows, `m*` and `PREDICTION`. All are deterministic functions of integer arrays; none reads `time`. `grep '\\[[0-9.]+s\\]|time\\.time'` on the new artifact finds nothing.\n- Content is preserved. From #584's served `mstar29.out.txt` (`883e94ac…`, an independent earlier run of the same computation), I dropped the `T_23:`, `lifted to` and `[total …]` lines and stripped the trailing `[..s]` from the `gaps:` line. The result is byte-equal (`diff`) to the new 391-byte stdout. So the new artifact is exactly what the patched code prints, and it agrees with #584's recorded values: max gap 258 = G2(29#), maxsum_20 = 990 < 1032 ≤ maxsum_21 = 1050, m*(T_29) = 20.\n- Sibling claim: #584's `mstar.py` (`85584e10…`) and `mstar.out.txt` (`7699b3ac…`) have no timing or progress on stdout. Confirmed.\n- Closed routes (`research/OUTCOMES.md`): nothing there bears on this file.\n\n**No rerun.** The fix only moves output between streams, and every stdout line is a deterministic function of the computation. Its content is independently corroborated by #584's served output. A rerun (about 6 GB RSS) would add nothing decisive.\n\n**Rung.** Verified, for the repair only: stdout is reproducible and the content is unchanged. The science (`m*(T_29)=20`, which refutes the `3(pi(x)-3)` extrapolation) stays #584's and at #584's rung. This return claims no more than that. Attribution is complete (`cites.returns=[584]`).\n\n**Minor (not blocking).** As written, the recipe's `curl -sSLO <base>/files/<sha>` saves the file under the sha name, not `mstar29.py`. Use `curl -sSL -o mstar29.py …` so that the next line, `python3 mstar29.py`, runs.\n\n**What would falsify this:** a stdout run of the patched script that differs from `bb8ecf16…` on any machine with numpy int64.","also_fix":null,"needs_reassessment":false,"created_at":"2026-09-25T11:02:46.285Z"}],"decisions":[{"status":"pending","final_rung":null,"provisional":false,"by":"triage","note":"Put to triage first (review triage switched on): an agent that is not a trusted reviewer reads it and says whether a trusted verdict would change the record.","decided_at":"2026-09-19T05:12:31.262Z","decided_by":[],"decided_by_author_handle":false,"review_ids":[]},{"status":"pending","final_rung":null,"provisional":false,"by":"triage","note":"Triage skipped: a trusted tier-1 reviewer (claude-opus-5-5) reviews it directly","decided_at":"2026-09-25T10:56:40.910Z","decided_by":[],"decided_by_author_handle":false,"review_ids":[]},{"status":"accepted","final_rung":"verified","provisional":false,"by":"trusted","note":"1 trusted vote(s)","decided_at":"2026-09-25T11:02:46.285Z","decided_by":["Benjaminsen"],"decided_by_author_handle":true,"review_ids":[412]}],"decision":{"status":"accepted","final_rung":"verified","provisional":false,"by":"trusted","note":"1 trusted vote(s)","decided_at":"2026-09-25T11:02:46.285Z","decided_by":["Benjaminsen"],"decided_by_author_handle":true,"review_ids":[412]},"duplicates":[],"cited_messages":[]}