Iteration final - SOLVER_EXECUTION
Sequence: 6
Timestamp: 2025-07-25 22:29:28

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.17624235153198242,
    "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, 6 columns and 21 nonzeros\nModel fingerprint: 0x3095fba1\nVariable types: 0 continuous, 6 integer (6 binary)\nCoefficient statistics:\n  Matrix range     [7e-01, 1e+00]\n  Objective range  [1e-01, 3e-01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [3e+00, 3e+00]\nFound heuristic solution: objective -0.0000000\nFound heuristic solution: objective 0.7500000\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: 0.75 -0 \nNo other solutions better than 0.75\n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 7.500000000000e-01, best bound 7.500000000000e-01, gap 0.0000%\nOptimal value: 0.75\nAccelerator 1 is selected\nAccelerator 2 is selected\nAccelerator 3 is selected\nBrowser 1 is compatible\nBrowser 2 is compatible\nBrowser 3 is compatible\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 0.75,
    "error_message": null,
    "decision_variables": {}
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.0505626201629639,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmpd7dflpdn.py\", line 84, in <module>\n    optimize_browser_web_accelerators()\n  File \"/tmp/tmpd7dflpdn.py\", line 59, in optimize_browser_web_accelerators\n    mdl.add_constraint(mdl.sum(compatibility_scores[(i, j)] * y[j] for j in browser_ids) >= x[i], ctname=f\"min_compat_{i}\")\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/model.py\", line 3342, in sum\n    return self._aggregator.sum(args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 198, in sum\n    sum_res = self._sum_with_iter(sum_args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 221, in _sum_with_iter\n    for item in args:\n  File \"/tmp/tmpd7dflpdn.py\", line 59, in <genexpr>\n    mdl.add_constraint(mdl.sum(compatibility_scores[(i, j)] * y[j] for j in browser_ids) >= x[i], ctname=f\"min_compat_{i}\")\nKeyError: (1, 3)\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmpd7dflpdn.py\", line 84, in <module>\n    optimize_browser_web_accelerators()\n  File \"/tmp/tmpd7dflpdn.py\", line 59, in optimize_browser_web_accelerators\n    mdl.add_constraint(mdl.sum(compatibility_scores[(i, j)] * y[j] for j in browser_ids) >= x[i], ctname=f\"min_compat_{i}\")\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/model.py\", line 3342, in sum\n    return self._aggregator.sum(args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 198, in sum\n    sum_res = self._sum_with_iter(sum_args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/aggregator.py\", line 221, in _sum_with_iter\n    for item in args:\n  File \"/tmp/tmpd7dflpdn.py\", line 59, in <genexpr>\n    mdl.add_constraint(mdl.sum(compatibility_scores[(i, j)] * y[j] for j in browser_ids) >= x[i], ctname=f\"min_compat_{i}\")\nKeyError: (1, 3)\n",
    "decision_variables": {}
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.9310531616210938,
    "return_code": 0,
    "stdout": "Read LP format model from file /tmp/tmp6pvvmpmo.pyomo.lp\nReading time = 0.00 seconds\nx1: 7 rows, 6 columns, 21 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, 6 columns and 21 nonzeros\nModel fingerprint: 0x3ce3688f\nVariable types: 0 continuous, 6 integer (6 binary)\nCoefficient statistics:\n  Matrix range     [7e-01, 1e+00]\n  Objective range  [1e-01, 3e-01]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [3e+00, 3e+00]\nFound heuristic solution: objective -0.0000000\nFound heuristic solution: objective 0.7500000\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: 0.75 -0 \nNo other solutions better than 0.75\n\nOptimal solution found (tolerance 1.00e-02)\nBest objective 7.500000000000e-01, best bound 7.500000000000e-01, gap 0.0000%\nOptimal solution found!\nOptimal value: 0.75\n\nSelected Accelerators:\nAccelerator 1 is selected\nAccelerator 2 is selected\nAccelerator 3 is selected\n\nCompatible Browsers:\nBrowser 1 is compatible\nBrowser 2 is compatible\nBrowser 3 is compatible\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 0.75,
    "error_message": null,
    "decision_variables": {}
  }
}
