Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 23:16:50

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.21451210975646973,
    "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 2 rows, 3 columns and 6 nonzeros\nModel fingerprint: 0x7429fa97\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 2e+01]\n  Objective range  [1e+01, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+01, 1e+03]\nFound heuristic solution: objective 949.5000000\nPresolve time: 0.00s\nPresolved: 2 rows, 3 columns, 6 nonzeros\nVariable types: 0 continuous, 3 integer (0 binary)\n\nRoot relaxation: objective 1.000000e+03, 2 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 1000.00000    0    1  949.50000 1000.00000  5.32%     -    0s\nH    0     0                     986.4900000 1000.00000  1.37%     -    0s\nH    0     0                     990.0000000 1000.00000  1.01%     -    0s\nH    0     0                     993.4900000 1000.00000  0.66%     -    0s\nH    0     0                     999.7400000 1000.00000  0.03%     -    0s\n     0     0 1000.00000    0    2  999.74000 1000.00000  0.03%     -    0s\nH    0     0                     999.8800000 1000.00000  0.01%     -    0s\nH    0     0                     999.9000000 1000.00000  0.01%     -    0s\n     0     0 1000.00000    0    2  999.90000 1000.00000  0.01%     -    0s\n     0     0 1000.00000    0    3  999.90000 1000.00000  0.01%     -    0s\n     0     1 1000.00000    0    3  999.90000 1000.00000  0.01%     -    0s\nH   26    12                     999.9800000 1000.00000  0.00%   0.7    0s\n\nCutting planes:\n  MIR: 1\n  StrongCG: 1\n\nExplored 36 nodes (29 simplex iterations) in 0.02 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 8: 999.98 999.9 999.88 ... 949.5\n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 9.999800000000e+02, best bound 1.000000000000e+03, gap 0.0020%\nOptimal value: 999.9799999999999\nissues[0] = 27\nissues[1] = 21\nissues[2] = 1\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 999.9799999999999,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 8.390971660614014,
    "return_code": 0,
    "stdout": "Optimal value: 999.9799999999999\nx[0] = 27\nx[1] = 21\nx[2] = 1\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 999.9799999999999,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 3.639385461807251,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmptzlmkfta.pyomo.lp\nReading time = 0.00 seconds\nx1: 2 rows, 3 columns, 6 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 2 rows, 3 columns and 6 nonzeros\nModel fingerprint: 0x7429fa97\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 2e+01]\n  Objective range  [1e+01, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [5e+01, 1e+03]\nFound heuristic solution: objective 949.5000000\nPresolve time: 0.00s\nPresolved: 2 rows, 3 columns, 6 nonzeros\nVariable types: 0 continuous, 3 integer (0 binary)\n\nRoot relaxation: objective 1.000000e+03, 2 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 1000.00000    0    1  949.50000 1000.00000  5.32%     -    0s\nH    0     0                     986.4900000 1000.00000  1.37%     -    0s\nH    0     0                     990.0000000 1000.00000  1.01%     -    0s\nH    0     0                     993.4900000 1000.00000  0.66%     -    0s\n\nExplored 1 nodes (2 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 4: 993.49 990 986.49 949.5 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 9.934900000000e+02, best bound 1.000000000000e+03, gap 0.6553%\nOptimal solution found!\nOptimal value: 993.49\n\nVariable values:\nx[1] = 1\nx[2] = 42\nx[3] = 2\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 993.49,
    "error_message": null,
    "decision_variables": {}
  }
}
