Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:29:01

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.3946504592895508,
    "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 13 rows, 9 columns and 25 nonzeros\nModel fingerprint: 0x08763745\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [8e+01, 9e+01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 2e+02]\nFound heuristic solution: objective 175.5000000\nPresolve removed 13 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: 175.5 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 1.755000000000e+02, best bound 1.755000000000e+02, gap 0.0000%\nOptimal value: 175.5\nSwimmer 1 assigned to Event 1 with score 85.5\nSwimmer 3 assigned to Event 1 with score 90.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 175.5,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1012945175170898,
    "return_code": 0,
    "stdout": "Optimal value: 175.5\nSwimmer 1 assigned to Event 1 with score 85.5\nSwimmer 3 assigned to Event 1 with score 90.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 175.5,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.853950023651123,
    "return_code": 1,
    "stdout": "WARNING: Initializing ordered Set swimmers with a fundamentally unordered data\nsource (type: set).  This WILL potentially lead to nondeterministic behavior\nin Pyomo\nWARNING: Initializing ordered Set events with a fundamentally unordered data\nsource (type: set).  This WILL potentially lead to nondeterministic behavior\nin Pyomo\nERROR: Rule failed for Param 'stadium_capacity' with index 2: KeyError: \"Index\n'2' is not valid for indexed component 'stadium_capacity'\"\nERROR: Constructing component 'stadium_capacity' from data=None failed:\n        KeyError: \"Index '2' is not valid for indexed component\n        'stadium_capacity'\"\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmph9lsw_g8.py\", line 109, in <module>\n    swimming_optimization()\n  File \"/tmp/tmph9lsw_g8.py\", line 44, in swimming_optimization\n    model.stadium_capacity = pyo.Param(model.events, initialize=stadium_capacity_data)\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/param.py\", line 850, in construct\n    self._construct_from_rule_using_setitem()\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 772, in _construct_from_rule_using_setitem\n    self[index] = rule(block, index)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 692, in __setitem__\n    index = self._validate_index(index)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 870, in _validate_index\n    raise KeyError(\nKeyError: \"Index '2' is not valid for indexed component 'stadium_capacity'\"\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmph9lsw_g8.py\", line 109, in <module>\n    swimming_optimization()\n  File \"/tmp/tmph9lsw_g8.py\", line 44, in swimming_optimization\n    model.stadium_capacity = pyo.Param(model.events, initialize=stadium_capacity_data)\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/param.py\", line 850, in construct\n    self._construct_from_rule_using_setitem()\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 772, in _construct_from_rule_using_setitem\n    self[index] = rule(block, index)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 692, in __setitem__\n    index = self._validate_index(index)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/pyomo/core/base/indexed_component.py\", line 870, in _validate_index\n    raise KeyError(\nKeyError: \"Index '2' is not valid for indexed component 'stadium_capacity'\"\n",
    "decision_variables": {}
  }
}
