Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 21:50:50

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.5791566371917725,
    "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/tmpbt_ywjgj.py\", line 74, in <module>\n    optimize_speaker_allocation()\n  File \"/tmp/tmpbt_ywjgj.py\", line 52, in optimize_speaker_allocation\n    model.addConstrs(\n  File \"src/gurobipy/_model.pyx\", line 4095, in gurobipy._model.Model.addConstrs\n  File \"src/gurobipy/tupledict.pxi\", line 144, in gurobipy._core.tupledict.__setitem__\nTypeError: unhashable type: 'dict'\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpbt_ywjgj.py\", line 74, in <module>\n    optimize_speaker_allocation()\n  File \"/tmp/tmpbt_ywjgj.py\", line 52, in optimize_speaker_allocation\n    model.addConstrs(\n  File \"src/gurobipy/_model.pyx\", line 4095, in gurobipy._model.Model.addConstrs\n  File \"src/gurobipy/tupledict.pxi\", line 144, in gurobipy._core.tupledict.__setitem__\nTypeError: unhashable type: 'dict'\n",
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 9.751196384429932,
    "return_code": 0,
    "stdout": "Optimal value: 1500.0\nx[101,1] = 1.000\nx[101,2] = 1.000\nx[101,3] = 1.000\nx[102,1] = 1.000\nx[102,2] = 1.000\nx[102,3] = 1.000\nx[103,1] = 1.000\nx[103,2] = 1.000\nx[103,3] = 1.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 1500.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 5.6880388259887695,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmp8mupv3hr.pyomo.lp\nReading time = 0.00 seconds\nx1: 6 rows, 9 columns, 18 nonzeros\nSet parameter TimeLimit to value 300\nSet parameter MIPGap to value 0.01\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\nNon-default parameters:\nTimeLimit  300\nMIPGap  0.01\n\nOptimize a model with 6 rows, 9 columns and 18 nonzeros\nModel fingerprint: 0xb0d46f77\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e+02, 2e+02]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [3e+00, 5e+00]\nFound heuristic solution: objective 1500.0000000\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: 1500 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 1.500000000000e+03, best bound 1.500000000000e+03, gap 0.0000%\nOptimal solution found!\nOptimal value: 1500.0\n\nVariable values:\nx[101,1] = 1\nx[101,2] = 1\nx[101,3] = 1\nx[102,1] = 1\nx[102,2] = 1\nx[102,3] = 1\nx[103,1] = 1\nx[103,2] = 1\nx[103,3] = 1\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 1500.0,
    "error_message": null,
    "decision_variables": {}
  }
}
