Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:28:51

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.29566073417663574,
    "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 5 rows, 3 columns and 9 nonzeros\nModel fingerprint: 0x8b2fb6bb\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 7e+00]\n  Objective range  [1e+01, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [1e+02, 1e+05]\nFound heuristic solution: objective 4800.0000000\nPresolve removed 4 rows and 0 columns\nPresolve time: 0.00s\nPresolved: 1 rows, 3 columns, 3 nonzeros\nVariable types: 0 continuous, 3 integer (0 binary)\n\nRoot relaxation: objective 5.000000e+03, 1 iterations, 0.00 seconds (0.00 work units)\n\n    Nodes    |    Current Node    |     Objective Bounds      |     Work\n Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time\n\n     0     0 5000.00000    0    1 4800.00000 5000.00000  4.17%     -    0s\nH    0     0                    4990.0000000 5000.00000  0.20%     -    0s\nH    0     0                    4995.0000000 5000.00000  0.10%     -    0s\nH    0     0                    5000.0000000 5000.00000  0.00%     -    0s\n     0     0 5000.00000    0    1 5000.00000 5000.00000  0.00%     -    0s\n\nExplored 1 nodes (1 simplex iterations) in 0.01 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 4: 5000 4995 4990 4800 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 5.000000000000e+03, best bound 5.000000000000e+03, gap 0.0000%\nOptimal value: 5000.0\nx[0] = -0.0\nx[1] = 148.0\nx[2] = 139.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 5000.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1561119556427002,
    "return_code": 0,
    "stdout": "Optimal value: 5000.0\nx[0] = 0\nx[1] = 148.0\nx[2] = 139.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 5000.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.967341423034668,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpbbhjebrz.pyomo.lp\nReading time = 0.00 seconds\nx1: 5 rows, 3 columns, 9 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 5 rows, 3 columns and 9 nonzeros\nModel fingerprint: 0x8b2fb6bb\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 7e+00]\n  Objective range  [1e+01, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [1e+02, 1e+05]\nFound heuristic solution: objective 4800.0000000\nPresolve removed 4 rows and 0 columns\nPresolve time: 0.00s\nPresolved: 1 rows, 3 columns, 3 nonzeros\nVariable types: 0 continuous, 3 integer (0 binary)\n\nRoot relaxation: objective 5.000000e+03, 1 iterations, 0.00 seconds (0.00 work units)\n\n    Nodes    |    Current Node    |     Objective Bounds      |     Work\n Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time\n\n     0     0 5000.00000    0    1 4800.00000 5000.00000  4.17%     -    0s\nH    0     0                    4990.0000000 5000.00000  0.20%     -    0s\n\nExplored 1 nodes (1 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 2: 4990 4800 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 4.990000000000e+03, best bound 5.000000000000e+03, gap 0.2004%\nOptimal solution found!\nOptimal value: 4990.0\n\nVariable values:\nx[2] = 150\nx[3] = 137\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 4990.0,
    "error_message": null,
    "decision_variables": {}
  }
}
