Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 23:42:22

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.14748907089233398,
    "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, 6 columns and 12 nonzeros\nModel fingerprint: 0x5f29f445\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [6e-03, 2e-02]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+02, 2e+04]\nPresolve removed 9 rows and 6 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\nIteration    Objective       Primal Inf.    Dual Inf.      Time\n       0    4.5800000e+02   0.000000e+00   0.000000e+00      0s\n\nSolved in 0 iterations and 0.00 seconds (0.00 work units)\nOptimal objective  4.580000000e+02\nOptimal value: 458.0\nCustomer 1: Savings = 4500.00, Checking = 500.00\nCustomer 2: Savings = 9000.00, Checking = 1000.00\nCustomer 3: Savings = 13500.00, Checking = 1500.00\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 458.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 2
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.7029974460601807,
    "return_code": 0,
    "stdout": "Optimal value: 458.0\nCustomer 0: Savings = 4500.00, Checking = 500.00\nCustomer 1: Savings = 9000.00, Checking = 1000.00\nCustomer 2: Savings = 13500.00, Checking = 1500.00\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 458.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 2
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 1.6732473373413086,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpjdod_7va.pyomo.lp\nReading time = 0.00 seconds\nx1: 9 rows, 6 columns, 12 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 9 rows, 6 columns and 12 nonzeros\nModel fingerprint: 0x70d5cce1\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [6e-03, 2e-02]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+02, 2e+04]\nPresolve removed 9 rows and 6 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\nIteration    Objective       Primal Inf.    Dual Inf.      Time\n       0    4.6950000e+02   0.000000e+00   0.000000e+00      0s\n\nSolved in 0 iterations and 0.00 seconds (0.00 work units)\nOptimal objective  4.695000000e+02\nOptimal solution found!\nOptimal value: 469.50\n\nVariable values:\nCustomer 1: Savings = 4500.00, Checking = 500.00\nCustomer 2: Savings = 9500.00, Checking = 500.00\nCustomer 3: Savings = 14500.00, Checking = 500.00\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 469.5,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 2
  }
}
