pyomo__pyomo-3017

Snapshot captured 2026-11-12T17:06:59.476467+00:00 · Autoresearch-Arena/gemma-4-developer-agent

{
  "datasets": [
    "opd_e4b_pure_v6b",
    "opd_e4b_pure_v7",
    "opd_e4b_pure_v7b"
  ],
  "examples": 20,
  "instance_id": "pyomo__pyomo-3017",
  "problem_statement": "Pyomo AD fails with constant Expressions\n## Summary\r\n\r\nPyomo AD raises an error when encountering `Expressions` with a constant value.\r\n\r\n### Steps to reproduce the issue\r\n\r\n```console\r\nimport pyomo.environ as pyo\r\nfrom pyomo.core.expr.calculus.derivatives import Modes, differentiate\r\n\r\nm = pyo.ConcreteModel()\r\n\r\nm.x = pyo.Var(units=pyo.units.mol, initialize=0)\r\n\r\n@m.Expression()\r\ndef y(blk):\r\n    return 2\r\n\r\n@m.Expression()\r\ndef product(blk):\r\n    return blk.x * blk.y\r\n\r\ndiff_expr = differentiate(\r\n                expr=m.product,\r\n                wrt=m.x,\r\n                mode=Modes.reverse_symbolic\r\n            )\r\ndiff_expr.pprint()\r\n```\r\n\r\n### Error Message\r\n\r\n```console\r\nException has occurred: KeyError\r\n\"Component with id '1907001786672': 2.0\"\r\n  File \"C:\\Users\\[REDACTED]\\Repos\\pyomo\\pyomo\\common\\collections\\component_map.py\", line 71, in __getitem__\r\n    return self._dict[id(obj)][1]\r\nKeyError: 1907001786672\r\n\r\nDuring handling of the above exception, another exception occurred:\r\n\r\n  File \"C:\\Users\\[REDACTED]\\Repos\\pyomo\\pyomo\\common\\collections\\component_map.py\", line 73, in __getitem__\r\n    raise KeyError(\"Component with id '%s': %s\" % (id(obj), str(obj)))\r\n  File \"C:\\Users\\[REDACTED]\\Repos\\pyomo\\pyomo\\core\\expr\\calculus\\diff_with_pyomo.py\", line 331, in _diff_GeneralExpression\r\n    der_dict[node.expr] += der_dict[node]\r\n  File \"C:\\Users\\[REDACTED]\\Repos\\pyomo\\pyomo\\core\\expr\\calculus\\diff_with_pyomo.py\", line 442, in _reverse_diff_helper\r\n    _diff_GeneralExpression(e, val_dict, der_dict)\r\n  File \"C:\\Users\\[REDACTED]\\Repos\\pyomo\\pyomo\\core\\expr\\calculus\\diff_with_pyomo.py\", line 484, in reverse_sd\r\n    return _reverse_diff_helper(expr, False)\r\n  File \"C:\\Users\\[REDACTED]\\Repos\\pyomo\\pyomo\\core\\expr\\calculus\\derivatives.py\", line 96, in differentiate\r\n    res = reverse_sd(expr=expr)\r\n  File \"C:\\Users\\[REDACTED]\\Desktop\\diff_expr.py\", line 16, in <module>\r\n    diff_expr = differentiate(\r\nKeyError: \"Component with id '1907001786672': 2.0\"\r\n```\r\n\r\n### Information on your system\r\nPyomo version: 6.6.2\r\nPython version: 3.10.10 | packaged by Anaconda, Inc. | (main, Mar 21 2023, 18:39:17) [MSC v.1916 64 bit (AMD64)]\r\nOperating system: Windows 10\r\nHow Pyomo was installed (PyPI, conda, source): From sources\r\nSolver (if applicable): n/a",
  "repo": "Pyomo/pyomo",
  "source": "v2/experiments/train_data/opd_e4b_pure_v6b/verified_rft_messages.jsonl",
  "source_sha256": "0f62460a9706eea5e1605255896f191ab00cb5706c5f1f2e1c293e9a718218dc"
}

{
  "captured_at": "2026-11-12T17:06:59.476467+00:00",
  "membership": "archived training",
  "membership_evidence": "Task issues extracted from preserved verified_rft_messages training examples. This is not a verified current RL wave manifest.",
  "name": "Preserved post-training task archive",
  "source": "Autoresearch-Arena/gemma-4-developer-agent",
  "source_revision": "016496de222aaafca0d4ee4c18efc63ba616f76e",
  "sources": [
    {
      "path": "v2/experiments/train_data/opd_e4b_cispo_v5/verified_rft_messages.jsonl",
      "sha256": "a43610ad0dfb6ace95375cfae09000f41afc0338cc925af870a4ade7a9b20c4c"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_hybrid_v3/verified_rft_messages.jsonl",
      "sha256": "bd326303eb127e8e5e08f03daf97bb88d79d19709d59f3f93f348bc56686a8df"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_onpolicy_v3/verified_rft_messages.jsonl",
      "sha256": "960c680e797e823a0d3a22f4b1d5ef60a72971373d703b877340b0c9126aaf68"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v6a/verified_rft_messages.jsonl",
      "sha256": "f045b7ca5b3883a1e2eaee81e1c02a4a1b53dd7b7b36e98bacb2ba5823a15148"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v6b/verified_rft_messages.jsonl",
      "sha256": "0f62460a9706eea5e1605255896f191ab00cb5706c5f1f2e1c293e9a718218dc"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v7/verified_rft_messages.jsonl",
      "sha256": "e37f7bd675322f3f81500b73559d60d5f602ca0537bf19f5cb06332c728c7b72"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_pure_v7b/verified_rft_messages.jsonl",
      "sha256": "b864bdc8695183433eef6e31cb8d33fad44ba3aded2170c1ade4ad5b2944ce23"
    },
    {
      "path": "v2/experiments/train_data/opd_e4b_self_audit_v4/verified_rft_messages.jsonl",
      "sha256": "0026023745afb8f3dc1c176dc7f7171157b4ad5a66656b524af218e8e19ceee6"
    },
    {
      "path": "v2/experiments/train_data/rft_e4b_aligned_v2/verified_rft_messages.jsonl",
      "sha256": "92a4515fee9d152b0d4c510ee3ce4caaaffe2003ba7584469f8027f174aab18c"
    },
    {
      "path": "v2/experiments/train_data/rft_v1/verified_rft_messages.jsonl",
      "sha256": "a42453ccd7ac7680b0a03865e8e7080bc8bf74c8d9d193b440c441ed46f8512b"
    },
    {
      "path": "v2/experiments/train_data/rft_v2/verified_rft_messages.jsonl",
      "sha256": "18f4b3bd7e651f83c6acab479c9475e3fa50dc652a384f309e97146983ac85ba"
    }
  ]
}