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stutter: new variant of Etessami's check

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* src/tgbaalgos/stutter.cc: Add a new variant of Etessami's check,
closer to his original paper in IPL.
* src/ltltest/stutter.test: Add more tests.
* bench/stutter/user.sh: Include this new variant in the benchmark.
This commit is contained in:
Alexandre Duret-Lutz 2015-04-17 15:18:47 +02:00
parent ecfd9b7776
commit 9e959cdc7e
3 changed files with 45 additions and 8 deletions
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25
src/ltltest/stutter.test
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@ -42,7 +42,7 @@ for i in 10 12 14 16 18 20; do
$randltl --seed 100 --tree-size $i a b c d e f -n 100 >> $FILE
done
# We do not check i=0, it is too slow.
# We do not check i=0 and i=9, as they are too slow.
for i in 1 2 3 4 5 6 7 8; do
SPOT_STUTTER_CHECK=$i
export SPOT_STUTTER_CHECK
@ -53,3 +53,26 @@ done
for i in 2 3 4 5 6 7 8; do
diff res.1 res.$i
done
# Do a similar test on fewer formulas, so we can cover 0 and 9.
cat >$FILE <<EOF
F(a & X(!a & b))
F(a & X(!a & Xb))
F(a & X!a & Xb)
F(a & X(a & Xb))
F(a & Xb)
Xa
EOF
# We do not check i=0 and i=9, as they are too slow.
for i in 0 1 2 3 4 5 6 7 8 9; do
SPOT_STUTTER_CHECK=$i
export SPOT_STUTTER_CHECK
$time $ltlfilt --stutter-invariant -F $FILE > res.$i
done
# All results should be equal
for i in 1 2 3 4 5 6 7 8 9; do
diff res.0 res.$i
done