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twagraph: new kill_state method

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This proceeds from a discussion with Michaël Cadilhac.
http://lists.lrde.epita.fr/pipermail/spot/2021q1/000356.html

* bin/autfilt.cc (--kill-states): New option.
* NEWS: Mention those.
* spot/twa/twagraph.hh, spot/twa/twagraph.cc: Add a kill_state()
method.
* tests/core/maskkeep.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2021-02-19 16:31:49 +01:00
parent da0dd4c534
commit caa960d857
5 changed files with 100 additions and 0 deletions
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31
tests/core/maskkeep.test
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@ -100,14 +100,38 @@ State: 1
--END--
EOF
cat >expect5 <<EOF
HOA: v1
States: 1
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels state-acc deterministic
properties: stutter-invariant weak
--BODY--
State: 0
--END--
EOF
run 0 autfilt --keep-states=0,1,2 input1 -H >output
diff output expect3
run 0 autfilt --keep-states=0,9999,1,2 input1 -H >output
diff output expect3
run 0 autfilt --kill-states=99,3 input1 -H >output
diff output expect3
run 0 autfilt --keep-states=1,2,0 input1 -H >output
diff output expect4
run 0 autfilt --kill-states=1,2 --kill-states=0 input1 -H >output
diff output expect5
run 0 autfilt --kill-states=0 input1 -H >output
diff output expect5
# make sure the complete property is reset
ltl2tgba 'GF(a<->Xa)' | autfilt --kill-state=1 | grep -v complete
# Errors
run 2 autfilt --keep-states=a3 input1 2> error
cat error
@ -115,3 +139,10 @@ grep 'failed to parse' error
run 2 autfilt --keep-states=3-2 input1 2> error
cat error
grep 'non-negative: --keep-states' error
run 2 autfilt --kill-states=a3 input1 2> error
cat error
grep 'failed to parse' error
run 2 autfilt --kill-states=3-2 input1 2> error
cat error
grep 'non-negative: --kill-states' error