Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 23:32:33

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.2509913444519043,
    "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 6 rows, 9 columns and 18 nonzeros\nModel fingerprint: 0x2b2775d1\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [5e+02, 1e+03]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 5e+00]\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\nNo other solutions better than -1e+100\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": 2.14654803276062,
    "return_code": 0,
    "stdout": "No solution found\nStatus: integer infeasible\n",
    "stderr": "",
    "status": "infeasible",
    "optimal_value": null,
    "error_message": "Problem is infeasible",
    "decision_variables": {},
    "retry_attempt": 4
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 1.181511640548706,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpj2s3433m.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: 0x2b2775d1\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [5e+02, 1e+03]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 5e+00]\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\nNo other solutions better than -1e+100\n\nModel is infeasible\nBest objective -, best bound -, gap -\nWARNING: Loading a SolverResults object with a warning status into\nmodel.name=\"unknown\";\n    - termination condition: infeasible\n    - message from solver: Model was proven to be infeasible.\nProblem is infeasible\n",
    "stderr": "",
    "status": "infeasible",
    "optimal_value": null,
    "error_message": "Problem is infeasible",
    "decision_variables": {},
    "retry_attempt": 4
  }
}
