Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-27 22:52:42

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.7752678394317627,
    "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, 7 columns and 12 nonzeros\nModel fingerprint: 0x64832e88\nVariable types: 0 continuous, 7 integer (7 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e-01, 4e-01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [2e+00, 2e+00]\nFound heuristic solution: objective -0.0000000\nPresolve removed 5 rows and 7 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 2: 0.85 -0 \nNo other solutions better than 0.85\n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 8.500000000000e-01, best bound 8.500000000000e-01, gap 0.0000%\nOptimal value: 0.85\nAccelerator 1 is selected.\nAccelerator 2 is selected.\nBrowser 101 is covered.\nBrowser 102 is covered.\nBrowser 103 is covered.\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 0.85,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 3.1382968425750732,
    "return_code": 0,
    "stdout": "Optimal value: 0.85\nBrowser 101 is covered.\nBrowser 102 is covered.\nBrowser 103 is covered.\nAccelerator 1 is selected.\nAccelerator 2 is selected.\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 0.85,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 3.0140557289123535,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpkk8kb99s.pyomo.lp\nReading time = 0.00 seconds\nx1: 5 rows, 7 columns, 12 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 5 rows, 7 columns and 12 nonzeros\nModel fingerprint: 0x6f152dc6\nVariable types: 0 continuous, 7 integer (7 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e-01, 4e-01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [2e+00, 2e+00]\nFound heuristic solution: objective -0.0000000\nPresolve removed 5 rows and 7 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 2: 0.85 -0 \nNo other solutions better than 0.85\n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 8.500000000000e-01, best bound 8.500000000000e-01, gap 0.0000%\nOptimal solution found!\nOptimal value: 0.85\n\nVariable values:\ny[1] = 1\ny[2] = 1\ny[3] = 0\nx[101] = 1\nx[102] = 1\nx[103] = 1\nx[104] = 0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 0.85,
    "error_message": null,
    "decision_variables": {}
  }
}
