Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-27 23:23:30

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 2.2173380851745605,
    "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 7 rows, 3 columns and 9 nonzeros\nModel fingerprint: 0x67656e95\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [5e+00, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+01, 5e+02]\nPresolve removed 7 rows and 3 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\nIteration    Objective       Primal Inf.    Dual Inf.      Time\n       0    5.5000000e+03   0.000000e+00   0.000000e+00      0s\n\nSolved in 0 iterations and 0.00 seconds (0.00 work units)\nOptimal objective  5.500000000e+03\nOptimal value: 5500.0\nQuantity shipped to city 1: 50.000\nQuantity shipped to city 2: 150.000\nQuantity shipped to city 3: 250.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 5500.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 9.227636098861694,
    "return_code": 0,
    "stdout": "Optimal value: 5500.0\nx[0] = 50.000\nx[1] = 150.000\nx[2] = 250.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 5500.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 8.13178038597107,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpq7kmq0m7.pyomo.lp\nReading time = 0.00 seconds\nx1: 7 rows, 3 columns, 9 nonzeros\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 7 rows, 3 columns and 9 nonzeros\nModel fingerprint: 0x67656e95\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [5e+00, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+01, 5e+02]\nPresolve removed 7 rows and 3 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\nIteration    Objective       Primal Inf.    Dual Inf.      Time\n       0    5.5000000e+03   0.000000e+00   0.000000e+00      0s\n\nSolved in 0 iterations and 0.00 seconds (0.00 work units)\nOptimal objective  5.500000000e+03\nOptimal solution found!\nOptimal value: 5500.00\n\nVariable values:\nx[1] = 50.00\nx[2] = 150.00\nx[3] = 250.00\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 5500.0,
    "error_message": null,
    "decision_variables": {}
  }
}
