Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:30:59

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.19002604484558105,
    "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: 0x9f4a9e71\nVariable types: 0 continuous, 3 integer (3 binary)\nCoefficient statistics:\n  Matrix range     [2e+00, 5e+00]\n  Objective range  [1e+03, 2e+03]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [6e+00, 6e+00]\nFound heuristic solution: objective 2500.0000000\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 1: 2500 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 2.500000000000e+03, best bound 2.500000000000e+03, gap 0.0000%\nOptimal value: 2500.0\nUser 1 is selected to tweet.\nUser 3 is selected to tweet.\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 2500.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1678314208984375,
    "return_code": 0,
    "stdout": "Optimal value: 2500.0\nUser 1 is selected (Followers: 1500, Max Tweets: 3)\nUser 3 is selected (Followers: 1000, Max Tweets: 2)\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 2500.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.8812198638916016,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmp1iu_rbqs.pyomo.lp\nReading time = 0.00 seconds\nx1: 1 rows, 3 columns, 3 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 1 rows, 3 columns and 3 nonzeros\nModel fingerprint: 0x9f4a9e71\nVariable types: 0 continuous, 3 integer (3 binary)\nCoefficient statistics:\n  Matrix range     [2e+00, 5e+00]\n  Objective range  [1e+03, 2e+03]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [6e+00, 6e+00]\nFound heuristic solution: objective 2500.0000000\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 1: 2500 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 2.500000000000e+03, best bound 2.500000000000e+03, gap 0.0000%\nOptimal value: 2500.0\n\nSelected users:\nUser 1 is selected with 1500 followers.\nUser 3 is selected with 1000 followers.\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 2500.0,
    "error_message": null,
    "decision_variables": {}
  }
}
