Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-25 22:35:08

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.16568803787231445,
    "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: 0xf7704819\nVariable types: 0 continuous, 9 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [3e+00, 5e+00]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [3e+00, 1e+01]\nFound heuristic solution: objective 50.0000000\nPresolve removed 6 rows and 9 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\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: 50 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 5.000000000000e+01, best bound 5.000000000000e+01, gap 0.0000%\nOptimal value: 50.0\nx[1,1] = 5.0\nx[2,2] = 4.0\nx[3,3] = 3.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 50.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 1
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.3209633827209473,
    "return_code": 0,
    "stdout": "Optimal value: 50.0\nx[1,1] = 5.0\nx[2,2] = 4.0\nx[3,3] = 3.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 50.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 1
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.8661129474639893,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmp3zdbye9i.pyomo.lp\nReading time = 0.00 seconds\nx1: 6 rows, 9 columns, 18 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 6 rows, 9 columns and 18 nonzeros\nModel fingerprint: 0x6cace530\nVariable types: 0 continuous, 9 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [3e+00, 5e+00]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [3e+00, 1e+01]\nFound heuristic solution: objective 50.0000000\nPresolve removed 6 rows and 9 columns\nPresolve time: 0.00s\nPresolve: All rows and columns removed\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: 50 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 5.000000000000e+01, best bound 5.000000000000e+01, gap 0.0000%\nOptimal value: 50.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 50.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 1
  }
}
