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implement is_liveness() and is_liveness_automaton()

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* spot/twaalgos/strength.cc, spot/twaalgos/strength.hh,
spot/tl/hierarchy.cc, spot/tl/hierarchy.hh: Here.
* bin/ltlfilt.cc (--liveness): New filter.
* NEWS: Mention those.
* tests/core/ltlfilt.test, tests/python/ltlsimple.py: Add test cases.
This commit is contained in:
Alexandre Duret-Lutz 2018-10-15 21:35:09 +02:00
parent d2316b1428
commit d94efe9fe1
8 changed files with 63 additions and 11 deletions
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10
tests/core/ltlfilt.test
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@ -127,6 +127,16 @@ Fb
F(a & X(!a & b))
EOF
checkopt --liveness <<EOF
GFa | FGb
F(GFa | Gb)
F(b W GFa)
GFa | Gb
b W GFa
a U Fb
F(a & !Xa & Xb)
EOF
checkopt --safety <<EOF
!({a;b[*];c}!)
G(a & Xb)