Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 22:11:47

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.20942115783691406,
    "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 1 rows, 3 columns and 3 nonzeros\nModel fingerprint: 0x26d22011\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [2e+02, 2e+02]\n  Bounds range     [1e+00, 5e+00]\n  RHS range        [1e+01, 1e+01]\nFound heuristic solution: objective 2250.0000000\nPresolve removed 1 rows and 3 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: 2550 2250 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 2.550000000000e+03, best bound 2.550000000000e+03, gap 0.0000%\nOptimal value: 2550.0\nRoute 1 flights: 2\nRoute 2 flights: 5\nRoute 3 flights: 5\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 2550.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 7.039186239242554,
    "return_code": 0,
    "stdout": "Optimal value: 2550.0\nFlights assigned to route 1: 2.0\nFlights assigned to route 2: 5.0\nFlights assigned to route 3: 5.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 2550.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 1.9388811588287354,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmplc_p2up3.pyomo.lp\nReading time = 0.00 seconds\nx1: 1 rows, 3 columns, 3 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 1 rows, 3 columns and 3 nonzeros\nModel fingerprint: 0x26d22011\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [2e+02, 2e+02]\n  Bounds range     [1e+00, 5e+00]\n  RHS range        [1e+01, 1e+01]\nFound heuristic solution: objective 2250.0000000\nPresolve removed 1 rows and 3 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: 2550 2250 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 2.550000000000e+03, best bound 2.550000000000e+03, gap 0.0000%\nOptimal solution found!\nOptimal value: 2550.0\n\nFlight allocations:\nRoute 1: 2.0 flights\nRoute 2: 5.0 flights\nRoute 3: 5.0 flights\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 2550.0,
    "error_message": null,
    "decision_variables": {}
  }
}
