Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:28:37

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.1648235321044922,
    "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 7 rows, 9 columns and 27 nonzeros\nModel fingerprint: 0xf86b3297\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 2e+01]\n  Objective range  [2e+01, 3e+01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 1e+02]\nPresolve removed 1 rows and 0 columns\nPresolve time: 0.00s\nPresolved: 6 rows, 9 columns, 18 nonzeros\nVariable types: 0 continuous, 9 integer (9 binary)\nFound heuristic solution: objective 69.0000000\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: 69 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 6.900000000000e+01, best bound 6.900000000000e+01, gap 0.0000%\nOptimal value: 69.0\nActor 1 assigned to Role 3\nActor 2 assigned to Role 1\nActor 3 assigned to Role 2\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 69.0,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1879382133483887,
    "return_code": 0,
    "stdout": "Optimal value: 69.0\nActor 1 assigned to Role 1\nActor 2 assigned to Role 2\nActor 3 assigned to Role 3\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 69.0,
    "error_message": null,
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.882659912109375,
    "return_code": 0,
    "stdout": "WARNING: Initializing ordered Set R with a fundamentally unordered data source\n(type: set).  This WILL potentially lead to nondeterministic behavior in Pyomo\nRead LP format model from file /tmp/tmp6y567ksq.pyomo.lp\nReading time = 0.00 seconds\nx1: 7 rows, 9 columns, 27 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, 9 columns and 27 nonzeros\nModel fingerprint: 0xf86b3297\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 2e+01]\n  Objective range  [2e+01, 3e+01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 1e+02]\nPresolve removed 1 rows and 0 columns\nPresolve time: 0.00s\nPresolved: 6 rows, 9 columns, 18 nonzeros\nVariable types: 0 continuous, 9 integer (9 binary)\nFound heuristic solution: objective 69.0000000\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: 69 \n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 6.900000000000e+01, best bound 6.900000000000e+01, gap 0.0000%\nOptimal value: 69.0\n\nOptimal Assignments:\nActor 1 assigned to Role 3\nActor 2 assigned to Role 1\nActor 3 assigned to Role 2\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 69.0,
    "error_message": null,
    "decision_variables": {}
  }
}
