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Fast Downward returns the following positive exit codes, listing the names as used in [[http://hg.fast-downward.org/file/tip/src/search/utils/system.h|src/search/utils/system.h]] and [[http://hg.fast-downward.org/file/tip/driver/returncodes.py|driver/returncodes.py]]. If it gets killed by a specific signal, it returns the signal as exit code, except for SIGXCPU which we intercept. The exit codes we defined are grouped in four blocks. Fast Downward returns the following positive exit codes, listing the names as used in [[https://github.com/aibasel/downward/blob/main/src/search/utils/system.h|src/search/utils/system.h]] and [[https://github.com/aibasel/downward/blob/main/driver/returncodes.py|driver/returncodes.py]]. If it gets killed by a specific signal, it returns the signal as exit code, except for SIGXCPU which we intercept. The exit codes we defined are grouped in four blocks.
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The second block (10-19) represents unsuccessful, but error-free termination which prevents the execution further components The second block (10-19) represents unsuccessful, but error-free termination which prevents the execution of further components.
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The third block (20-29) represents expected failures which prevents the execution further components The third block (20-29) represents expected failures which prevent the execution of further components.
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The fourth block (30-39) represents unrecoverable failures which prevents the execution further components The fourth block (30-39) represents unrecoverable failures which prevent the execution of further components.
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|| 30 || TRANSLATE_CRITICAL_ERROR || Critical error: something went wrong (e.g. translator bug, but also malformed PDDL input) || || 30 || TRANSLATE_CRITICAL_ERROR || Critical error: something went wrong (e.g. translator bug, but also malformed PDDL input). ||
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|| 35 || DRIVER_CRITICAL_ERROR || Something went wrong in the driver (e.g. failed setting resource limits, ill-defined portfolio, complete plan generated after an incomplete one). ||
|| 36 || DRIVER_INPUT_ERROR || Usage error: wrong or missing command line options, including (implicitly) specifying non-existing paths (e.g. for input files or build directory). ||
|| 37 || DRIVER_UNSUPPORTED || Requested unsupported feature (e.g. limiting memory on macOS). ||

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Exit Codes

Fast Downward returns the following positive exit codes, listing the names as used in src/search/utils/system.h and driver/returncodes.py. If it gets killed by a specific signal, it returns the signal as exit code, except for SIGXCPU which we intercept. The exit codes we defined are grouped in four blocks.

The first block (0-9) represents successful termination of a component which does not prevent the execution of further components.

Code

Name

Meaning

0

SUCCESS

All run components successfully terminated (translator: completed, search: found a plan, validate: validated a plan)

1

SEARCH_PLAN_FOUND_AND_OUT_OF_MEMORY

Only returned by portfolios: at least one plan was found and another component ran out of memory.

2

SEARCH_PLAN_FOUND_AND_OUT_OF_TIME

Only returned by portfolios: at least one plan was found and another component ran out of time.

3

SEARCH_PLAN_FOUND_AND_OUT_OF_MEMORY_AND_TIME

Only returned by portfolios: at least one plan was found, another component ran out of memory, and yet another one ran out of time.

The second block (10-19) represents unsuccessful, but error-free termination which prevents the execution of further components.

10

TRANSLATE_UNSOLVABLE

Translator proved task to be unsolvable. Currently not used

11

SEARCH_UNSOLVABLE

Task is provably unsolvable with current bound. Currently only used by hillclimbing search. See also issue377.

12

SEARCH_UNSOLVED_INCOMPLETE

Search ended without finding a solution.

The third block (20-29) represents expected failures which prevent the execution of further components.

20

TRANSLATE_OUT_OF_MEMORY

Memory exhausted.

21

TRANSLATE_OUT_OF_TIME

Time exhausted. Not supported on Windows because we use SIGXCPU to kill the planner.

22

SEARCH_OUT_OF_MEMORY

Memory exhausted.

23

SEARCH_OUT_OF_TIME

Timeout occurred. Not supported on Windows because we use SIGXCPU to kill the planner.

24

SEARCH_OUT_OF_MEMORY_AND_TIME

Only returned by portfolios: one component ran out of memory and another one out of time.

The fourth block (30-39) represents unrecoverable failures which prevent the execution of further components.

30

TRANSLATE_CRITICAL_ERROR

Critical error: something went wrong (e.g. translator bug, but also malformed PDDL input).

31

TRANSLATE_INPUT_ERROR

Usage error: wrong command line options

32

SEARCH_CRITICAL_ERROR

Something went wrong that should not have gone wrong (e.g. planner bug).

33

SEARCH_INPUT_ERROR

Wrong command line options or SAS+ file.

34

SEARCH_UNSUPPORTED

Requested unsupported feature.

35

DRIVER_CRITICAL_ERROR

Something went wrong in the driver (e.g. failed setting resource limits, ill-defined portfolio, complete plan generated after an incomplete one).

36

DRIVER_INPUT_ERROR

Usage error: wrong or missing command line options, including (implicitly) specifying non-existing paths (e.g. for input files or build directory).

37

DRIVER_UNSUPPORTED

Requested unsupported feature (e.g. limiting memory on macOS).

FastDownward: ExitCodes (last edited 2024-01-18 14:10:35 by MalteHelmert)