Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-27 22:09:50

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.4200870990753174,
    "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 1 rows, 3 columns and 3 nonzeros\nModel fingerprint: 0x9d4d8a9b\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [6e-01, 8e-01]\n  Bounds range     [5e+00, 3e+01]\n  RHS range        [5e+01, 5e+01]\nPresolve time: 0.00s\nPresolved: 1 rows, 3 columns, 3 nonzeros\n\nIteration    Objective       Primal Inf.    Dual Inf.      Time\n       0    3.5375000e+01   3.750000e+00   0.000000e+00      0s\n       1    3.4250000e+01   0.000000e+00   0.000000e+00      0s\n\nSolved in 1 iterations and 0.00 seconds (0.00 work units)\nOptimal objective  3.425000000e+01\nOptimal value: 34.25\neffort[1] = 5.000\neffort[2] = 30.000\neffort[3] = 15.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 34.25,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 7.570535182952881,
    "return_code": 0,
    "stdout": "Optimal value: 34.25\neffort[1] = 5.000\neffort[2] = 30.000\neffort[3] = 15.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 34.25,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 3.09859299659729,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpqhmrleh9.pyomo.lp\nReading time = 0.00 seconds\nx1: 7 rows, 3 columns, 9 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 7 rows, 3 columns and 9 nonzeros\nModel fingerprint: 0x6e8df5d1\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [6e-01, 8e-01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+00, 5e+01]\nPresolve removed 6 rows and 0 columns\nPresolve time: 0.00s\nPresolved: 1 rows, 3 columns, 3 nonzeros\n\nIteration    Objective       Primal Inf.    Dual Inf.      Time\n       0    3.5375000e+01   3.750000e+00   0.000000e+00      0s\n       1    3.4250000e+01   0.000000e+00   0.000000e+00      0s\n\nSolved in 1 iterations and 0.00 seconds (0.00 work units)\nOptimal objective  3.425000000e+01\nOptimal solution found!\nOptimal value: 34.250\n\nEffort allocation:\nEffort for poll source 1: 5.000\nEffort for poll source 2: 30.000\nEffort for poll source 3: 15.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 34.25,
    "error_message": null,
    "decision_variables": {}
  }
}
