Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:47:08

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.18592000007629395,
    "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/tmp9zwwqvft.py\", line 81, in <module>\n    aircraft_assignment_optimization()\n  File \"/tmp/tmp9zwwqvft.py\", line 45, in aircraft_assignment_optimization\n    gp.quicksum(operational_costs[(i, j)] * x[i, j] for i in aircraft_types for j in airports),\n  File \"src/gurobipy/_helpers.pyx\", line 41, in gurobipy._helpers.quicksum\n  File \"/tmp/tmp9zwwqvft.py\", line 45, in <genexpr>\n    gp.quicksum(operational_costs[(i, j)] * x[i, j] for i in aircraft_types for j in airports),\nKeyError: ('Boeing 777', 'LAX')\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmp9zwwqvft.py\", line 81, in <module>\n    aircraft_assignment_optimization()\n  File \"/tmp/tmp9zwwqvft.py\", line 45, in aircraft_assignment_optimization\n    gp.quicksum(operational_costs[(i, j)] * x[i, j] for i in aircraft_types for j in airports),\n  File \"src/gurobipy/_helpers.pyx\", line 41, in gurobipy._helpers.quicksum\n  File \"/tmp/tmp9zwwqvft.py\", line 45, in <genexpr>\n    gp.quicksum(operational_costs[(i, j)] * x[i, j] for i in aircraft_types for j in airports),\nKeyError: ('Boeing 777', 'LAX')\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.0410196781158447,
    "return_code": 0,
    "stdout": "No solution found\nStatus: infeasible\n",
    "stderr": "",
    "status": "infeasible",
    "optimal_value": null,
    "error_message": "Problem is infeasible",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.8514814376831055,
    "return_code": 1,
    "stdout": "ERROR: Rule failed when generating expression for Objective objective with\nindex None: ValueError: Error retrieving immutable Param value\n(operational_costs[('Boeing 777', 'LAX')]):\n            The Param value is undefined and no default value is specified.\nERROR: Constructing component 'objective' from data=None failed:\n        ValueError: Error retrieving immutable Param value\n        (operational_costs[('Boeing 777', 'LAX')]):\n    \tThe Param value is undefined and no default value is specified.\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpofbro04n.py\", line 102, in <module>\n    aircraft_assignment_optimization()\n  File \"/tmp/tmpofbro04n.py\", line 62, in aircraft_assignment_optimization\n    model.objective = pyo.Objective(rule=obj_rule, sense=pyo.minimize)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/block.py\", line 571, in __setattr__\n    self.add_component(name, val)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/block.py\", line 1101, in add_component\n    val.construct(data)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/objective.py\", line 336, in construct\n    ans = self._setitem_when_not_present(index, rule(block, index))\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/initializer.py\", line 485, in __call__\n    return self._fcn(parent)\n  File \"/tmp/tmpofbro04n.py\", line 61, in obj_rule\n    return sum(model.operational_costs[i, j] * model.x[i, j] for i in model.aircraft_types for j in model.airports)\n  File \"/tmp/tmpofbro04n.py\", line 61, in <genexpr>\n    return sum(model.operational_costs[i, j] * model.x[i, j] for i in model.aircraft_types for j in model.airports)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/param.py\", line 1012, in __getitem__\n    return super().__getitem__(args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 662, in __getitem__\n    return self._getitem_when_not_present(index)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/param.py\", line 627, in _getitem_when_not_present\n    raise ValueError(\nValueError: Error retrieving immutable Param value (operational_costs[('Boeing 777', 'LAX')]):\n\tThe Param value is undefined and no default value is specified.\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpofbro04n.py\", line 102, in <module>\n    aircraft_assignment_optimization()\n  File \"/tmp/tmpofbro04n.py\", line 62, in aircraft_assignment_optimization\n    model.objective = pyo.Objective(rule=obj_rule, sense=pyo.minimize)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/block.py\", line 571, in __setattr__\n    self.add_component(name, val)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/block.py\", line 1101, in add_component\n    val.construct(data)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/objective.py\", line 336, in construct\n    ans = self._setitem_when_not_present(index, rule(block, index))\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/initializer.py\", line 485, in __call__\n    return self._fcn(parent)\n  File \"/tmp/tmpofbro04n.py\", line 61, in obj_rule\n    return sum(model.operational_costs[i, j] * model.x[i, j] for i in model.aircraft_types for j in model.airports)\n  File \"/tmp/tmpofbro04n.py\", line 61, in <genexpr>\n    return sum(model.operational_costs[i, j] * model.x[i, j] for i in model.aircraft_types for j in model.airports)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/param.py\", line 1012, in __getitem__\n    return super().__getitem__(args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 662, in __getitem__\n    return self._getitem_when_not_present(index)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/param.py\", line 627, in _getitem_when_not_present\n    raise ValueError(\nValueError: Error retrieving immutable Param value (operational_costs[('Boeing 777', 'LAX')]):\n\tThe Param value is undefined and no default value is specified.\n",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
