Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-27 22:50:07

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 1.7081592082977295,
    "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: 0x0b42a804\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [4e-01, 5e-01]\n  Bounds range     [4e+00, 2e+01]\n  RHS range        [3e+01, 3e+01]\nFound heuristic solution: objective 13.1000000\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: 14 13.1 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0000%\nOptimal value: 14.0\nStaff allocated to museum 1: 6\nStaff allocated to museum 2: 20\nStaff allocated to museum 3: 4\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 14.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 8.704930067062378,
    "return_code": 0,
    "stdout": "Optimal value: 14.0\nx[0] = 6\nx[1] = 20\nx[2] = 4\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 14.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 5.0218446254730225,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmpwxy8p0g1.pyomo.lp\nReading time = 0.00 seconds\nx1: 7 rows, 3 columns, 9 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 7 rows, 3 columns and 9 nonzeros\nModel fingerprint: 0x81d3cea6\nVariable types: 0 continuous, 3 integer (0 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 1e+00]\n  Objective range  [4e-01, 5e-01]\n  Bounds range     [0e+00, 0e+00]\n  RHS range        [4e+00, 3e+01]\nPresolve removed 7 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: 14 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0000%\nOptimal solution found!\nOptimal value: 14.000\n\nVariable values:\nx[1] = 6.0\nx[2] = 20.0\nx[3] = 4.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 14.0,
    "error_message": null,
    "decision_variables": {}
  }
}
