Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-27 22:54:53

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.7666835784912109,
    "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/tmpth5ku8br.py\", line 63, in <module>\n    naval_optimization()\n  File \"/tmp/tmpth5ku8br.py\", line 26, in naval_optimization\n    assert len(deaths_data) == len(ships) * len(battles), \"Array length mismatch\"\nAssertionError: Array length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpth5ku8br.py\", line 63, in <module>\n    naval_optimization()\n  File \"/tmp/tmpth5ku8br.py\", line 26, in naval_optimization\n    assert len(deaths_data) == len(ships) * len(battles), \"Array length mismatch\"\nAssertionError: Array length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 8.079841375350952,
    "return_code": 0,
    "stdout": "No solution found\nStatus: integer infeasible\n",
    "stderr": "",
    "status": "infeasible",
    "optimal_value": null,
    "error_message": "Problem is infeasible",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 4.355213165283203,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmp3zx6t6c7.py\", line 98, in <module>\n    naval_optimization()\n  File \"/tmp/tmp3zx6t6c7.py\", line 29, in naval_optimization\n    assert len(deaths_data) == len(ships) * len(battles), \"Array length mismatch\"\nAssertionError: Array length mismatch\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmp3zx6t6c7.py\", line 98, in <module>\n    naval_optimization()\n  File \"/tmp/tmp3zx6t6c7.py\", line 29, in naval_optimization\n    assert len(deaths_data) == len(ships) * len(battles), \"Array length mismatch\"\nAssertionError: Array length mismatch\n",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
