Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:46:12

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.18417906761169434,
    "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/tmpgxo1y52y.py\", line 78, in <module>\n    optimize_ship_captain_assignment()\n  File \"/tmp/tmpgxo1y52y.py\", line 39, in optimize_ship_captain_assignment\n    model.setObjective(gp.quicksum(cost_coefficients[(i, j)] * x[i, j] for i in captains for j in ships), GRB.MINIMIZE)\n  File \"src/gurobipy/_helpers.pyx\", line 41, in gurobipy._helpers.quicksum\n  File \"/tmp/tmpgxo1y52y.py\", line 39, in <genexpr>\n    model.setObjective(gp.quicksum(cost_coefficients[(i, j)] * x[i, j] for i in captains for j in ships), GRB.MINIMIZE)\nKeyError: (1, 2)\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpgxo1y52y.py\", line 78, in <module>\n    optimize_ship_captain_assignment()\n  File \"/tmp/tmpgxo1y52y.py\", line 39, in optimize_ship_captain_assignment\n    model.setObjective(gp.quicksum(cost_coefficients[(i, j)] * x[i, j] for i in captains for j in ships), GRB.MINIMIZE)\n  File \"src/gurobipy/_helpers.pyx\", line 41, in gurobipy._helpers.quicksum\n  File \"/tmp/tmpgxo1y52y.py\", line 39, in <genexpr>\n    model.setObjective(gp.quicksum(cost_coefficients[(i, j)] * x[i, j] for i in captains for j in ships), GRB.MINIMIZE)\nKeyError: (1, 2)\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1873314380645752,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpmt210o4g.py\", line 89, in <module>\n    optimize_ship_captain_assignment()\n  File \"/tmp/tmpmt210o4g.py\", line 50, in optimize_ship_captain_assignment\n    objective = mdl.sum(cost_coefficients[(i, j)] * x[(i, j)] for i in captains for j in ships)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/model.py\", line 3342, in sum\n    return self._aggregator.sum(args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 198, in sum\n    sum_res = self._sum_with_iter(sum_args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 221, in _sum_with_iter\n    for item in args:\n  File \"/tmp/tmpmt210o4g.py\", line 50, in <genexpr>\n    objective = mdl.sum(cost_coefficients[(i, j)] * x[(i, j)] for i in captains for j in ships)\nKeyError: (1, 2)\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpmt210o4g.py\", line 89, in <module>\n    optimize_ship_captain_assignment()\n  File \"/tmp/tmpmt210o4g.py\", line 50, in optimize_ship_captain_assignment\n    objective = mdl.sum(cost_coefficients[(i, j)] * x[(i, j)] for i in captains for j in ships)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/model.py\", line 3342, in sum\n    return self._aggregator.sum(args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 198, in sum\n    sum_res = self._sum_with_iter(sum_args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 221, in _sum_with_iter\n    for item in args:\n  File \"/tmp/tmpmt210o4g.py\", line 50, in <genexpr>\n    objective = mdl.sum(cost_coefficients[(i, j)] * x[(i, j)] for i in captains for j in ships)\nKeyError: (1, 2)\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.8863010406494141,
    "return_code": 1,
    "stdout": "ERROR: Rule failed when generating expression for Objective objective with\nindex None: ValueError: Error retrieving immutable Param value\n(cost_coefficients[(1, 2)]):\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        (cost_coefficients[(1, 2)]):\n    \tThe Param value is undefined and no default value is specified.\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpfnnwk27y.py\", line 107, in <module>\n    optimize_ship_captain_assignment()\n  File \"/tmp/tmpfnnwk27y.py\", line 50, in optimize_ship_captain_assignment\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/tmpfnnwk27y.py\", line 49, in obj_rule\n    return sum(model.cost_coefficients[i, j] * model.x[i, j] for i in model.Captains for j in model.Ships)\n  File \"/tmp/tmpfnnwk27y.py\", line 49, in <genexpr>\n    return sum(model.cost_coefficients[i, j] * model.x[i, j] for i in model.Captains for j in model.Ships)\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 (cost_coefficients[(1, 2)]):\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/tmpfnnwk27y.py\", line 107, in <module>\n    optimize_ship_captain_assignment()\n  File \"/tmp/tmpfnnwk27y.py\", line 50, in optimize_ship_captain_assignment\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/tmpfnnwk27y.py\", line 49, in obj_rule\n    return sum(model.cost_coefficients[i, j] * model.x[i, j] for i in model.Captains for j in model.Ships)\n  File \"/tmp/tmpfnnwk27y.py\", line 49, in <genexpr>\n    return sum(model.cost_coefficients[i, j] * model.x[i, j] for i in model.Captains for j in model.Ships)\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 (cost_coefficients[(1, 2)]):\n\tThe Param value is undefined and no default value is specified.\n",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
