Iteration final - SOLVER_EXECUTION
Sequence: 8
Timestamp: 2025-07-25 22:38:12

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

Response:
{
  "gurobipy": {
    "solver_type": "gurobipy",
    "execution_time": 0.16361379623413086,
    "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 33 rows, 9 columns and 42 nonzeros\nModel fingerprint: 0x57b4a2ee\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 2e+03]\n  Objective range  [6e+03, 8e+03]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 1e+00]\nPresolve removed 33 rows and 9 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: 19581 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 1.958100000000e+04, best bound 1.958100000000e+04, gap 0.0000%\nOptimal value: 19581.0\nShip 1 assigned to Mission 1\nShip 2 assigned to Mission 2\nShip 3 assigned to Mission 3\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 19581.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 1
  },
  "docplex": {
    "solver_type": "docplex",
    "execution_time": 1.1481223106384277,
    "return_code": 1,
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"/tmp/tmp1o_us3_2.py\", line 81, in <module>\n    ship_mission_optimization()\n  File \"/tmp/tmp1o_us3_2.py\", line 62, in ship_mission_optimization\n    mdl.add_constraint((i['nationality'] == j['required_nationality']) * x[(i['ship_id'], j['mission_id'])] == x[(i['ship_id'], j['mission_id'])], \n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/dvar.py\", line 281, in __rmul__\n    return self.times(e)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/dvar.py\", line 278, in times\n    return self.to_linear_expr().multiply(e)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/linear.py\", line 941, in multiply\n    self.fatal(\"Multiply expects variable, expr or number, {0!r} was passed (type is {1})\", e, type(e))\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/basic.py\", line 51, in fatal\n    self.logger.fatal(msg, args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/error_handler.py\", line 210, in fatal\n    raise DOcplexException(resolved_message)\ndocplex.mp.utils.DOcplexException: Multiply expects variable, expr or number, True was passed (type is <class 'bool'>)\n",
    "status": "error",
    "optimal_value": null,
    "error_message": "Traceback (most recent call last):\n  File \"/tmp/tmp1o_us3_2.py\", line 81, in <module>\n    ship_mission_optimization()\n  File \"/tmp/tmp1o_us3_2.py\", line 62, in ship_mission_optimization\n    mdl.add_constraint((i['nationality'] == j['required_nationality']) * x[(i['ship_id'], j['mission_id'])] == x[(i['ship_id'], j['mission_id'])], \n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/dvar.py\", line 281, in __rmul__\n    return self.times(e)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/dvar.py\", line 278, in times\n    return self.to_linear_expr().multiply(e)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/linear.py\", line 941, in multiply\n    self.fatal(\"Multiply expects variable, expr or number, {0!r} was passed (type is {1})\", e, type(e))\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/basic.py\", line 51, in fatal\n    self.logger.fatal(msg, args)\n  File \"/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-packages/docplex/mp/error_handler.py\", line 210, in fatal\n    raise DOcplexException(resolved_message)\ndocplex.mp.utils.DOcplexException: Multiply expects variable, expr or number, True was passed (type is <class 'bool'>)\n",
    "decision_variables": {},
    "retry_attempt": 1
  },
  "pyomo": {
    "solver_type": "pyomo",
    "execution_time": 0.9520056247711182,
    "return_code": 0,
    "stdout": "WARNING: DEPRECATED: Param 'required_nationality' declared with an implicit\ndomain of 'Any'. The default domain for Param objects is 'Any'. However, we\nwill be changing that default to 'Reals' in the future. If you really intend\nthe domain of this Paramto be 'Any', you can suppress this warning by\nexplicitly specifying 'within=Any' to the Param constructor.  (deprecated in\n5.6.9, will be removed in (or after) 6.0) (called from\n/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-\npackages/pyomo/core/base/indexed_component.py:718)\nWARNING: DEPRECATED: Param 'nationality' declared with an implicit domain of\n'Any'. The default domain for Param objects is 'Any'.  However, we will be\nchanging that default to 'Reals' in the future.  If you really intend the\ndomain of this Paramto be 'Any', you can suppress this warning by explicitly\nspecifying 'within=Any' to the Param constructor.  (deprecated in 5.6.9, will\nbe removed in (or after) 6.0) (called from\n/dccstor/nl2opt/miniforge3/envs/nl2opt_optim/lib/python3.10/site-\npackages/pyomo/core/base/indexed_component.py:718)\nRead LP format model from file /tmp/tmpt8cl8mf0.pyomo.lp\nReading time = 0.00 seconds\nx1: 24 rows, 9 columns, 36 nonzeros\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 24 rows, 9 columns and 36 nonzeros\nModel fingerprint: 0x81b69530\nVariable types: 0 continuous, 9 integer (9 binary)\nCoefficient statistics:\n  Matrix range     [1e+00, 2e+03]\n  Objective range  [6e+03, 8e+03]\n  Bounds range     [1e+00, 1e+00]\n  RHS range        [1e+00, 1e+00]\nPresolve removed 24 rows and 9 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: 19581 \n\nOptimal solution found (tolerance 1.00e-04)\nBest objective 1.958100000000e+04, best bound 1.958100000000e+04, gap 0.0000%\nOptimal value: 19581.0\n",
    "stderr": "",
    "status": "optimal",
    "optimal_value": 19581.0,
    "error_message": null,
    "decision_variables": {},
    "retry_attempt": 1
  }
}
