Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 22:55:08

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 1.6123719215393066,
    "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, 18 columns and 36 nonzeros\nModel fingerprint: 0x86d23e46\nVariable types: 0 continuous, 18 integer (18 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e+00, 2e+02]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 2e+00]\nFound heuristic solution: objective 582.0000000\nPresolve time: 0.00s\nPresolved: 9 rows, 18 columns, 36 nonzeros\nVariable types: 0 continuous, 18 integer (18 binary)\n\nExplored 0 nodes (0 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 1: 582 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 5.820000000000e+02, best bound 5.820000000000e+02, gap 0.0000%\nOptimal value: 582.0\nx[0,1] = 1.000\ny[0,1] = 1.000\ny[1,0] = 1.000\ny[1,2] = 1.000\nx[2,0] = 1.000\nx[2,2] = 1.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 582.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 8.618319272994995,
    "return_code": 0,
    "stdout": "Optimal value: 582.0\nx[0,0] = 1.000\nx[0,1] = 1.000\nx[1,2] = 1.000\ny[1,0] = 1.000\ny[2,1] = 1.000\ny[2,2] = 1.000\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 582.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 2.527170181274414,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpxzsdjzdn.pyomo.lp\nReading time = 0.00 seconds\nx1: 9 rows, 18 columns, 36 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 9 rows, 18 columns and 36 nonzeros\nModel fingerprint: 0x0a55fea8\nVariable types: 0 continuous, 18 integer (18 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e+00, 2e+02]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 2e+00]\nFound heuristic solution: objective 582.0000000\nPresolve time: 0.00s\nPresolved: 9 rows, 18 columns, 36 nonzeros\nVariable types: 0 continuous, 18 integer (18 binary)\n\nExplored 0 nodes (0 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 1: 582 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 5.820000000000e+02, best bound 5.820000000000e+02, gap 0.0000%\nOptimal solution found!\nOptimal value: 582.0\n\nAssignment values:\nx[1,2] = 1\ny[1,2] = 1\ny[2,1] = 1\ny[2,3] = 1\nx[3,1] = 1\nx[3,3] = 1\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 582.0,
    "error_message": null,
    "decision_variables": {}
  }
}
