Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-25 22:32:00

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.17575502395629883,
    "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 6 rows, 9 columns and 18 nonzeros\nModel fingerprint: 0x9ccaf4ca\nVariable types: 0 continuous, 9 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [5e+03, 1e+04]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [3e+00, 6e+00]\nPresolve time: 0.00s\nPresolved: 6 rows, 9 columns, 18 nonzeros\nVariable types: 0 continuous, 9 integer (0 binary)\nFound heuristic solution: objective 42000.000000\nFound heuristic solution: objective 50000.000000\nFound heuristic solution: objective 80000.000000\nFound heuristic solution: objective 145000.00000\n\nExplored 0 nodes (0 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 4: 145000 80000 50000 42000 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 1.450000000000e+05, best bound 1.450000000000e+05, gap 0.0000%\nOptimal value: 145000.0\nArtist 1 participates in Exhibition 1: 5 times\nArtist 2 participates in Exhibition 2: 6 times\nArtist 3 participates in Exhibition 3: 4 times\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 145000.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 0.9548916816711426,
    "return_code": 0,
    "stdout": "Optimal value: 145000.0\nx[1,1] = 5\nx[2,2] = 6\nx[3,3] = 4\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 145000.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.7532594203948975,
    "return_code": 1,
    "stdout": "ERROR: Rule failed when generating expression for Objective objective with\nindex None: ValueError: Error retrieving immutable Param value (attendance[(1,\n2)]):\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 (attendance[(1,\n        2)]):\n    \tThe Param value is undefined and no default value is specified.\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpf92mxzp8.py\", line 96, in <module>\n    optimize_theme_gallery()\n  File \"/tmp/tmpf92mxzp8.py\", line 49, in optimize_theme_gallery\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/tmpf92mxzp8.py\", line 48, in obj_rule\n    return sum(model.ticket_prices[j] * model.attendance[i, j] * model.x[i, j] for i in model.I for j in model.J)\n  File \"/tmp/tmpf92mxzp8.py\", line 48, in <genexpr>\n    return sum(model.ticket_prices[j] * model.attendance[i, j] * model.x[i, j] for i in model.I for j in model.J)\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 (attendance[(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/tmpf92mxzp8.py\", line 96, in <module>\n    optimize_theme_gallery()\n  File \"/tmp/tmpf92mxzp8.py\", line 49, in optimize_theme_gallery\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/tmpf92mxzp8.py\", line 48, in obj_rule\n    return sum(model.ticket_prices[j] * model.attendance[i, j] * model.x[i, j] for i in model.I for j in model.J)\n  File \"/tmp/tmpf92mxzp8.py\", line 48, in <genexpr>\n    return sum(model.ticket_prices[j] * model.attendance[i, j] * model.x[i, j] for i in model.I for j in model.J)\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 (attendance[(1, 2)]):\n\tThe Param value is undefined and no default value is specified.\n",
    "decision_variables": {}
  }
}
