Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-27 22:09:52

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.1644740104675293,
    "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 6 rows, 9 columns and 18 nonzeros\nModel fingerprint: 0xcb45b2e6\nVariable types: 0 continuous, 9 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e+01, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [6e+01, 2e+02]\nFound heuristic solution: objective 4010.0000000\nPresolve time: 0.00s\nPresolved: 6 rows, 9 columns, 18 nonzeros\nVariable types: 0 continuous, 9 integer (0 binary)\n\nRoot relaxation: cutoff, 0 iterations, 0.00 seconds (0.00 work units)\n\nExplored 1 nodes (0 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 1: 4010 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 4.010000000000e+03, best bound 4.010000000000e+03, gap 0.0000%\nOptimal value: 4010.0\nunits_assigned[1,1] = 60\nunits_assigned[2,1] = 60\nunits_assigned[2,2] = 20\nunits_assigned[3,2] = 70\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 4010.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.4083974361419678,
    "return_code": 0,
    "stdout": "Optimal value: 4010.0\nUnits assigned to product 1 in store 1: 60\nUnits assigned to product 2 in store 3: 80\nUnits assigned to product 3 in store 1: 60\nUnits assigned to product 3 in store 3: 10\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 4010.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 1.757477045059204,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpkjqio6vk.pyomo.lp\nReading time = 0.00 seconds\nx1: 6 rows, 9 columns, 18 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 6 rows, 9 columns and 18 nonzeros\nModel fingerprint: 0xcb45b2e6\nVariable types: 0 continuous, 9 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [1e+01, 2e+01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [6e+01, 2e+02]\nFound heuristic solution: objective 4010.0000000\nPresolve time: 0.00s\nPresolved: 6 rows, 9 columns, 18 nonzeros\nVariable types: 0 continuous, 9 integer (0 binary)\n\nRoot relaxation: cutoff, 0 iterations, 0.00 seconds (0.00 work units)\n\nExplored 1 nodes (0 simplex iterations) in 0.00 seconds (0.00 work units)\nThread count was 32 (of 128 available processors)\n\nSolution count 1: 4010 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 4.010000000000e+03, best bound 4.010000000000e+03, gap 0.0000%\nOptimal solution found!\nOptimal value: 4010.0\n\nVariable values:\nunits_assigned[1, 1] = 60\nunits_assigned[2, 1] = 60\nunits_assigned[2, 2] = 20\nunits_assigned[3, 2] = 70\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 4010.0,
    "error_message": null,
    "decision_variables": {}
  }
}
