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stats: add options to count unreachable states and transitions

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Based on a request from Pierre Ganty.

* spot/twaalgos/stats.cc, spot/twaalgos/stats.hh,
bin/common_aoutput.cc, bin/common_aoutput.hh: Implement those
options.
* tests/core/format.test: Add test case.
* doc/org/autfilt.org: Update doc.
* NEWS: Mention them.
This commit is contained in:
Alexandre Duret-Lutz 2022-10-19 16:30:00 +02:00
parent 52ed3d1e8f
commit de29ba9e4c
7 changed files with 197 additions and 52 deletions
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doc/org/autfilt.org
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@ -145,7 +145,8 @@ ltl2tgba --help | sed -n '/ sequences:/,/^$/p' | sed '1d;$d'
(iw) inherently weak. Use uppercase letters to
negate them.
%d 1 if the output is deterministic, 0 otherwise
%e number of reachable edges
%e, %[LETTER]e number of edges (add one LETTER to select (r)
reachable [default], (u) unreachable, (a) all).
%f the formula, in Spot's syntax
%F name of the input file
%g, %[LETTERS]g acceptance condition (in HOA syntax); add brackets
@ -170,8 +171,11 @@ ltl2tgba --help | sed -n '/ sequences:/,/^$/p' | sed '1d;$d'
LETTERS to restrict to(u) user time, (s) system
time, (p) parent process, or (c) children
processes.
%s number of reachable states
%t number of reachable transitions
%s, %[LETTER]s number of states (add one LETTER to select (r)
reachable [default], (u) unreachable, (a) all).
%t, %[LETTER]t number of transitions (add one LETTER to select
(r) reachable [default], (u) unreachable, (a)
all).
%u, %[e]u number of states (or [e]dges) with universal
branching
%u, %[LETTER]u 1 if the automaton contains some universal