{
  "model": "gemma4:26b",
  "edit_tool": "apply_patch",
  "think_setting": "unset (default)",
  "workdir": "/home/claude/bin/gemma4-research/scripts/bakeoff/runs_patch/gemma4-26b-no-think-flag/work",
  "started_at": 1776549973.621934,
  "turns": [
    {
      "iteration": 1,
      "elapsed_s": 0.75,
      "content": "",
      "tool_calls": [
        {
          "name": "run_bash",
          "arguments": {
            "command": "ls -R"
          },
          "result": "exit=0\n--- stdout ---\n.:\ncalc\nREADME.md\ntests\n\n./calc:\n__init__.py\n__pycache__\nstats.py\n\n./calc/__pycache__:\n__init__.cpython-313.pyc\nstats.cpython-313.pyc\n\n./tests:\n__pycache__\ntest_stats.py\n\n./tests/__pycache__:\ntest_stats.cpython-313-pytest-9.0.2.pyc\n\n--- stderr ---\n"
        }
      ],
      "prompt_eval_count": 459,
      "eval_count": 55,
      "thinking_field_len": 152
    },
    {
      "iteration": 2,
      "elapsed_s": 0.67,
      "content": "",
      "tool_calls": [
        {
          "name": "read_file",
          "arguments": {
            "path": "tests/test_stats.py"
          },
          "result": "from calc.stats import mean, median, mode, variance\n\n\ndef test_mean_basic():\n    assert mean([1, 2, 3, 4, 5]) == 3.0\n\n\ndef test_median_odd():\n    assert median([1, 2, 3]) == 2\n\n\ndef test_median_even():\n    assert median([1, 2, 3, 4]) == 2.5\n\n\ndef test_median_unsorted():\n    assert median([3, 1, 4, 1, 5, 9, 2, 6]) == 3.5\n\n\ndef test_median_floats():\n    assert median([1.0, 2.0, 3.0, 4.0]) == 2.5\n\n\ndef test_mode_basic():\n    assert mode([1, 2, 2, 3]) == 2\n\n\ndef test_variance_basic():\n    # sample variance (n-1) of [1, 2, 3, 4, 5] is 10/4 = 2.5\n    assert variance([1, 2, 3, 4, 5]) == 2.5\n"
        }
      ],
      "prompt_eval_count": 600,
      "eval_count": 40,
      "thinking_field_len": 59
    },
    {
      "iteration": 3,
      "elapsed_s": 0.51,
      "content": "",
      "tool_calls": [
        {
          "name": "run_bash",
          "arguments": {
            "command": "pytest"
          },
          "result": "exit=2\n--- stdout ---\n============================= test session starts ==============================\nplatform linux -- Python 3.13.5, pytest-9.0.2, pluggy-1.6.0\nrootdir: /home/claude/bin/gemma4-research/scripts/bakeoff/runs_patch/gemma4-26b-no-think-flag/work\nplugins: asyncio-1.3.0, anyio-4.12.1\nasyncio: mode=Mode.STRICT, debug=False, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function\ncollected 0 items / 1 error\n\n==================================== ERRORS ====================================\n_____________________ ERROR collecting tests/test_stats.py _____________________\nImportError while importing test module '/home/claude/bin/gemma4-research/scripts/bakeoff/runs_patch/gemma4-26b-no-think-flag/work/tests/test_stats.py'.\nHint: make sure your test modules/p"
        }
      ],
      "prompt_eval_count": 903,
      "eval_count": 19,
      "thinking_field_len": 0
    },
    {
      "iteration": 4,
      "elapsed_s": 1.37,
      "content": "",
      "tool_calls": [
        {
          "name": "run_bash",
          "arguments": {
            "command": "PYTHONPATH=. pytest"
          },
          "result": "exit=1\n--- stdout ---\n============================= test session starts ==============================\nplatform linux -- Python 3.13.5, pytest-9.0.2, pluggy-1.6.0\nrootdir: /home/claude/bin/gemma4-research/scripts/bakeoff/runs_patch/gemma4-26b-no-think-flag/work\nplugins: asyncio-1.3.0, anyio-4.12.1\nasyncio: mode=Mode.STRICT, debug=False, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function\ncollected 7 items\n\ntests/test_stats.py ..FFF..                                              [100%]\n\n=================================== FAILURES ===================================\n_______________________________ test_median_even _______________________________\n\n    def test_median_even():\n>       assert median([1, 2, 3, 4]) == 2.5\nE       assert 3 == 2.5\nE        +  where 3 ="
        }
      ],
      "prompt_eval_count": 1345,
      "eval_count": 103,
      "thinking_field_len": 302
    },
    {
      "iteration": 5,
      "elapsed_s": 0.66,
      "content": "",
      "tool_calls": [
        {
          "name": "read_file",
          "arguments": {
            "path": "calc/stats.py"
          },
          "result": "\"\"\"Basic statistics helpers.\"\"\"\n\n\ndef mean(numbers):\n    \"\"\"Arithmetic mean of a non-empty list.\"\"\"\n    return sum(numbers) / len(numbers)\n\n\ndef median(numbers):\n    \"\"\"Return the median of a list of numbers.\"\"\"\n    s = sorted(numbers)\n    n = len(s)\n    return s[n // 2]\n\n\ndef mode(numbers):\n    \"\"\"Return the most common value. Ties broken by first occurrence.\"\"\"\n    counts = {}\n    for x in numbers:\n        counts[x] = counts.get(x, 0) + 1\n    best = None\n    best_count = -1\n    for x in numbers:\n        if counts[x] > best_count:\n            best = x\n            best_count = counts[x]\n    return best\n\n\ndef variance(numbers):\n    \"\"\"Sample variance (divides by n-1).\"\"\"\n    if len(numbers) < 2:\n        raise ValueError(\"variance requires at least 2 values\")\n    m = mean(numbers)\n    return"
        }
      ],
      "prompt_eval_count": 1986,
      "eval_count": 23,
      "thinking_field_len": 0
    },
    {
      "iteration": 6,
      "elapsed_s": 6.2,
      "content": "",
      "tool_calls": [
        {
          "name": "apply_patch",
          "arguments": {
            "new_text": "def median(numbers):\n    \"\"\"Return the median of a list of numbers.\"\"\"\n    s = sorted(numbers)\n    n = len(s)\n    if n % 2 == 1:\n        return s[n // 2]\n    else:\n        return (s[n // 2 - 1] + s[n // 2]) / 2",
            "old_text": "def median(numbers):\n    \"\"\"Return the median of a list of numbers.\"\"\"\n    s = sorted(numbers)\n    n = len(s)\n    return s[n // 2]",
            "path": "calc/stats.py"
          },
          "result": "patched calc/stats.py (replaced 130 chars with 210 chars)"
        }
      ],
      "prompt_eval_count": 2275,
      "eval_count": 671,
      "thinking_field_len": 1173
    },
    {
      "iteration": 7,
      "elapsed_s": 0.52,
      "content": "",
      "tool_calls": [
        {
          "name": "run_bash",
          "arguments": {
            "command": "PYTHONPATH=. pytest"
          },
          "result": "exit=0\n--- stdout ---\n============================= test session starts ==============================\nplatform linux -- Python 3.13.5, pytest-9.0.2, pluggy-1.6.0\nrootdir: /home/claude/bin/gemma4-research/scripts/bakeoff/runs_patch/gemma4-26b-no-think-flag/work\nplugins: asyncio-1.3.0, anyio-4.12.1\nasyncio: mode=Mode.STRICT, debug=False, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function\ncollected 7 items\n\ntests/test_stats.py .......                                              [100%]\n\n============================== 7 passed in 0.01s ===============================\n\n--- stderr ---\n"
        }
      ],
      "prompt_eval_count": 2463,
      "eval_count": 22,
      "thinking_field_len": 0
    },
    {
      "iteration": 8,
      "elapsed_s": 0.74,
      "content": "The median function was incorrectly returning the middle element for even-sized lists without averaging the two middle elements; I updated it to correctly calculate the average of the two middle elements when the list length is even.",
      "tool_calls": [],
      "prompt_eval_count": 2677,
      "eval_count": 46,
      "thinking_field_len": 0
    }
  ],
  "final": {
    "halt_reason": "no_tool_calls",
    "tests_pass": true,
    "iterations_used": 8,
    "tool_call_counts": {
      "read_file": 2,
      "apply_patch": 1,
      "run_bash": 4
    },
    "wall_clock_s": 12.53
  }
}