Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:41:49

Prompt:
Generated solver codes with templates and executed them with retry logic

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.2323284149169922,
    "return_code": 1,
    "stdout": "Restricted license - for non-production use only - expires 2026-11-23\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpfr5_v0yn.py\", line 72, in <module>\n    optimize_club_assignment()\n  File \"/tmp/tmpfr5_v0yn.py\", line 27, in optimize_club_assignment\n    assert len(engagement_scores) == len(students) * len(clubs), \"Engagement scores length mismatch\"\nAssertionError: Engagement scores length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpfr5_v0yn.py\", line 72, in <module>\n    optimize_club_assignment()\n  File \"/tmp/tmpfr5_v0yn.py\", line 27, in optimize_club_assignment\n    assert len(engagement_scores) == len(students) * len(clubs), \"Engagement scores length mismatch\"\nAssertionError: Engagement scores length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.024944543838501,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpv33fx7al.py\", line 64, in <module>\n    optimize_club_assignment()\n  File \"/tmp/tmpv33fx7al.py\", line 31, in optimize_club_assignment\n    assert len(engagement_scores) == len(students) * len(clubs), \"Engagement scores length mismatch\"\nAssertionError: Engagement scores length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpv33fx7al.py\", line 64, in <module>\n    optimize_club_assignment()\n  File \"/tmp/tmpv33fx7al.py\", line 31, in optimize_club_assignment\n    assert len(engagement_scores) == len(students) * len(clubs), \"Engagement scores length mismatch\"\nAssertionError: Engagement scores length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 1.007535696029663,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmppkgkwvbk.py\", line 90, in <module>\n    optimize_club_assignment()\n  File \"/tmp/tmppkgkwvbk.py\", line 28, in optimize_club_assignment\n    assert len(engagement_scores) == len(students) * len(clubs), \"Engagement scores length mismatch\"\nAssertionError: Engagement scores length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmppkgkwvbk.py\", line 90, in <module>\n    optimize_club_assignment()\n  File \"/tmp/tmppkgkwvbk.py\", line 28, in optimize_club_assignment\n    assert len(engagement_scores) == len(students) * len(clubs), \"Engagement scores length mismatch\"\nAssertionError: Engagement scores length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
