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LTLGRIND(1) |
User Commands |
LTLGRIND(1) |
ltlgrind - list mutations of a formula.
ltlgrind [OPTION...] [FILENAME[/COL]...]
List formulas that are similar to but simpler than a given formula.
- -f, --formula=STRING
- process the formula STRING
- -F, --file=FILENAME[/COL]
- process each line of FILENAME as a formula; if COL is a positive integer,
assume a CSV file and read column COL; use a negative COL to drop the
first line of the CSV file
- --lbt-input
- read all formulas using LBT's prefix syntax
- --lenient
- parenthesized blocks that cannot be parsed as subformulas are considered
as atomic properties
- --ap-to-const
- atomic propositions are replaced with true/false
- --remove-multop-operands
- remove one operand from multops
- --remove-one-ap
- all occurrences of an atomic proposition are replaced with another atomic
proposition used in the formula
- --remove-ops
- replace unary/binary operators with one of their operands
- --rewrite-ops
- rewrite operators that have a semantically simpler form: a U b becomes a W
b, etc.
- --simplify-bounds
- on a bounded unary operator, decrement one of the bounds, or set min to 0
or max to unbounded
- --split-ops
- when an operator can be expressed as a conjunction/disjunction using
simpler operators, each term of the conjunction/disjunction is a mutation.
e.g. a <-> b can be written as ((a & b) | (!a & !b)) or as
((a -> b) & (b -> a)) so those four terms can be a mutation of a
<-> b
- -0, --zero-terminated-output
- separate output formulas with \0 instead of \n (for use with xargs
-0)
- -8, --utf8
- output using UTF-8 characters
- --format=FORMAT, --stats=FORMAT
- specify how each line should be output (default: "%f")
- -l, --lbt
- output in LBT's syntax
- --latex
- output using LaTeX macros
- -m, --mutations=NUM
- number of mutations to apply to the formulae (default: 1)
- -n, --max-count=NUM
- maximum number of mutations to output
- -o, --output=FORMAT
- send output to a file named FORMAT instead of standard output. The first
formula sent to a file truncates it unless FORMAT starts with
'>>'.
- -p, --full-parentheses
- output fully-parenthesized formulas
- --sort
- sort the result by formula size
- -s, --spin
- output in Spin's syntax
- --spot
- output in Spot's syntax (default)
- --wring
- output in Wring's syntax
The FORMAT string passed to --format may use the following
interpreted sequences:
- %<
- the part of the line before the formula if it comes from a column
extracted from a CSV file
- %>
- the part of the line after the formula if it comes from a column extracted
from a CSV file
- %%
- a single %
- %b
- the Boolean-length of the formula (i.e., all Boolean subformulas count as
1)
- %f
- the formula (in the selected syntax)
- %F
- the name of the input file
- %h, %[vw]h
- the class of the formula is the Manna-Pnueli hierarchy ([v] replaces
abbreviations by class names, [w] for all compatible classes)
- %L
- the original line number in the input file
- %[OP]n
- the nesting depth of operator OP. OP should be a single letter denoting
the operator to count, or multiple letters to fuse several operators
during depth evaluation. Add '~' to rewrite the formula in negative normal
form before counting.
- %s
- the length (or size) of the formula
- %x, %[LETTERS]X, %[LETTERS]x
- number of atomic propositions used in the
- formula;
- add LETTERS to list atomic propositions
- with (n) no quoting, (s) occasional double-quotes
- with C-style escape, (d) double-quotes with C-style escape, (c)
double-quotes with CSV-style escape, (p) between parentheses, any extra
non-alphanumeric character will be used to separate propositions
- --help
- print this help
- --version
- print program version
Mandatory or optional arguments to long options are also mandatory
or optional for any corresponding short options.
Report bugs to <spot@lrde.epita.fr>.
Copyright © 2022 Laboratoire de Recherche et Développement de
l'Epita. License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO
WARRANTY, to the extent permitted by law.
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