Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-25 22:45:14

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.19925975799560547,
    "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/tmph7hf41op.py\", line 64, in <module>\n    flight_assignment_optimization()\n  File \"/tmp/tmph7hf41op.py\", line 29, in flight_assignment_optimization\n    assert len(cost_data) == len(airlines) * len(routes), \"Cost data length mismatch\"\nAssertionError: Cost data length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmph7hf41op.py\", line 64, in <module>\n    flight_assignment_optimization()\n  File \"/tmp/tmph7hf41op.py\", line 29, in flight_assignment_optimization\n    assert len(cost_data) == len(airlines) * len(routes), \"Cost data length mismatch\"\nAssertionError: Cost data length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1396653652191162,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpkdl4nhoy.py\", line 68, in <module>\n    flight_assignment_optimization()\n  File \"/tmp/tmpkdl4nhoy.py\", line 28, in flight_assignment_optimization\n    assert len(cost_data) == len(airlines) * len(routes), \"Cost data length mismatch\"\nAssertionError: Cost data length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpkdl4nhoy.py\", line 68, in <module>\n    flight_assignment_optimization()\n  File \"/tmp/tmpkdl4nhoy.py\", line 28, in flight_assignment_optimization\n    assert len(cost_data) == len(airlines) * len(routes), \"Cost data length mismatch\"\nAssertionError: Cost data length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.7003521919250488,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpopca6jcm.py\", line 95, in <module>\n    optimize_flight_assignment()\n  File \"/tmp/tmpopca6jcm.py\", line 30, in optimize_flight_assignment\n    assert len(cost_data) == len(airlines) * len(routes), \"Cost data length mismatch\"\nAssertionError: Cost data length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpopca6jcm.py\", line 95, in <module>\n    optimize_flight_assignment()\n  File \"/tmp/tmpopca6jcm.py\", line 30, in optimize_flight_assignment\n    assert len(cost_data) == len(airlines) * len(routes), \"Cost data length mismatch\"\nAssertionError: Cost data length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
