Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-25 22:47:19

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.17384839057922363,
    "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 9 rows, 9 columns and 21 nonzeros\nModel fingerprint: 0xc4704a64\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [5e+01, 7e+01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 6e+00]\nPresolve removed 5 rows and 0 columns\nPresolve time: 0.00s\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 0\n\nModel is infeasible\nBest objective -, best bound -, gap -\nProblem is infeasible\n",
    "stderr": "",
    "status": "infeasible",
    "optimal_value": null,
    "error_message": "Problem is infeasible",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.0581262111663818,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 596, in _to_linear_operand\n    return e.to_linear_expr()\nAttributeError: 'bool' object has no attribute 'to_linear_expr'\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n  File \"/tmp/tmpo8nquhz1.py\", line 57, in <module>\n    party_host_optimization()\n  File \"/tmp/tmpo8nquhz1.py\", line 39, in party_host_optimization\n    mdl.add_constraint(assign[p, h] <= expertise_match[p, h], ctname=f\"expertise_{p}_{h}\")\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/operand.py\", line 54, in __le__\n    return self._model._new_xconstraint(lhs=self, rhs=rhs, comparaison_type=ComparisonType.LE)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/model.py\", line 4221, in _new_xconstraint\n    return self._lfactory._new_binary_constraint(lhs, comparaison_type, rhs)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 643, in _new_binary_constraint\n    right_expr = self._to_linear_operand(rhs, msg=\"LinearConstraint. expects linear expressions, {0} was passed\")\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 599, in _to_linear_operand\n    return self.linear_expr(e)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 574, in linear_expr\n    return LinearExpr(self._model, arg, constant, safe=safe, transient=transient)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/linear.py\", line 433, in __init__\n    self.fatal(\"Cannot convert {0!r} to docplex.mp.LinearExpr, type is {1}\", e, type(e))\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/basic.py\", line 51, in fatal\n    self.logger.fatal(msg, args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/error_handler.py\", line 210, in fatal\n    raise DOcplexException(resolved_message)\ndocplex.mp.utils.DOcplexException: Cannot convert True to docplex.mp.LinearExpr, type is <class 'bool'>\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 596, in _to_linear_operand\n    return e.to_linear_expr()\nAttributeError: 'bool' object has no attribute 'to_linear_expr'\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n  File \"/tmp/tmpo8nquhz1.py\", line 57, in <module>\n    party_host_optimization()\n  File \"/tmp/tmpo8nquhz1.py\", line 39, in party_host_optimization\n    mdl.add_constraint(assign[p, h] <= expertise_match[p, h], ctname=f\"expertise_{p}_{h}\")\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/operand.py\", line 54, in __le__\n    return self._model._new_xconstraint(lhs=self, rhs=rhs, comparaison_type=ComparisonType.LE)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/model.py\", line 4221, in _new_xconstraint\n    return self._lfactory._new_binary_constraint(lhs, comparaison_type, rhs)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 643, in _new_binary_constraint\n    right_expr = self._to_linear_operand(rhs, msg=\"LinearConstraint. expects linear expressions, {0} was passed\")\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 599, in _to_linear_operand\n    return self.linear_expr(e)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/mfactory.py\", line 574, in linear_expr\n    return LinearExpr(self._model, arg, constant, safe=safe, transient=transient)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/linear.py\", line 433, in __init__\n    self.fatal(\"Cannot convert {0!r} to docplex.mp.LinearExpr, type is {1}\", e, type(e))\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/basic.py\", line 51, in fatal\n    self.logger.fatal(msg, args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/error_handler.py\", line 210, in fatal\n    raise DOcplexException(resolved_message)\ndocplex.mp.utils.DOcplexException: Cannot convert True to docplex.mp.LinearExpr, type is <class 'bool'>\n",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.8362061977386475,
    "return_code": 1,
    "stdout": "ERROR: Rule failed when generating expression for Constraint\nexpertise_constraint with index (1, 1): TypeError: '<=' not supported between\ninstances of 'VarData' and 'bool'\nERROR: Constructing component 'expertise_constraint' from data=None failed:\n        TypeError: '<=' not supported between instances of 'VarData' and\n        'bool'\n",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpnw80b9td.py\", line 85, in <module>\n    party_host_optimization()\n  File \"/tmp/tmpnw80b9td.py\", line 49, in party_host_optimization\n    model.expertise_constraint = pyo.Constraint(model.P, model.H, rule=expertise_rule)\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/constraint.py\", line 722, in construct\n    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 349, in __call__\n    return self._fcn(parent, *idx)\n  File \"/tmp/tmpnw80b9td.py\", line 48, in expertise_rule\n    return model.assign[p, h] <= model.expertise[p, h]\nTypeError: '<=' not supported between instances of 'VarData' and 'bool'\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpnw80b9td.py\", line 85, in <module>\n    party_host_optimization()\n  File \"/tmp/tmpnw80b9td.py\", line 49, in party_host_optimization\n    model.expertise_constraint = pyo.Constraint(model.P, model.H, rule=expertise_rule)\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/constraint.py\", line 722, in construct\n    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 349, in __call__\n    return self._fcn(parent, *idx)\n  File \"/tmp/tmpnw80b9td.py\", line 48, in expertise_rule\n    return model.assign[p, h] <= model.expertise[p, h]\nTypeError: '<=' not supported between instances of 'VarData' and 'bool'\n",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
