Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 23:27:57

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.17847752571105957,
    "return_code": 0,
    "stdout": "Restricted license - for non-production use only - expires 2026-11-23\nGurobi Optimizer version 12.0.2 build v12.0.2rc0 (linux64 - \"Red Hat Enterprise Linux 9.4 (Plow)\")\n\nCPU model: AMD EPYC 7513 32-Core Processor, instruction set [SSE2|AVX|AVX2]\nThread count: 64 physical cores, 128 logical processors, using up to 32 threads\n\nOptimize a model with 3 rows, 9 columns and 3 nonzeros\nModel fingerprint: 0xa4ecbacb\nVariable types: 0 continuous, 9 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [6e+02, 1e+03]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [1e+02, 2e+02]\nFound heuristic solution: objective 434000.00000\nPresolve removed 3 rows and 9 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\n\nExplored 0 nodes (0 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 1 (of 128 available processors)\n\nSolution count 1: 434000 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 4.340000000000e+05, best bound 4.340000000000e+05, gap 0.0000%\nOptimal value: 434000.0\nx[1,101] = 120.000\nx[2,102] = 180.000\nx[3,103] = 220.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 434000.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 3
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 2.3277580738067627,
    "return_code": 0,
    "stdout": "Optimal value: 434000.0\nx[1,101] = 120.000\nx[2,102] = 180.000\nx[3,103] = 220.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 434000.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 3
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.8268694877624512,
    "return_code": 1,
    "stdout": "ERROR: Rule failed when generating expression for Objective objective with\nindex None: ValueError: Error retrieving immutable Param value\n(potential_sales[(1, 102)]):\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        (potential_sales[(1, 102)]):\n    \tThe Param value is undefined and no default value is specified.\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpd7pw90ic.py\", line 84, in <module>\n    device_allocation_optimization()\n  File \"/tmp/tmpd7pw90ic.py\", line 43, in device_allocation_optimization\n    model.objective = pyo.Objective(rule=obj_rule, sense=pyo.maximize)\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/tmpd7pw90ic.py\", line 42, in obj_rule\n    return sum(model.potential_sales[i, j] * model.x[i, j] for i in model.Shops for j in model.Devices)\n  File \"/tmp/tmpd7pw90ic.py\", line 42, in <genexpr>\n    return sum(model.potential_sales[i, j] * model.x[i, j] for i in model.Shops for j in model.Devices)\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 (potential_sales[(1, 102)]):\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/tmpd7pw90ic.py\", line 84, in <module>\n    device_allocation_optimization()\n  File \"/tmp/tmpd7pw90ic.py\", line 43, in device_allocation_optimization\n    model.objective = pyo.Objective(rule=obj_rule, sense=pyo.maximize)\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/tmpd7pw90ic.py\", line 42, in obj_rule\n    return sum(model.potential_sales[i, j] * model.x[i, j] for i in model.Shops for j in model.Devices)\n  File \"/tmp/tmpd7pw90ic.py\", line 42, in <genexpr>\n    return sum(model.potential_sales[i, j] * model.x[i, j] for i in model.Shops for j in model.Devices)\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 (potential_sales[(1, 102)]):\n\tThe Param value is undefined and no default value is specified.\n",
    "decision_variables": {},
    "retry_attempt": 3
  }
}
