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twagraph: fix purge_dead_states on alternating automata

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* tests/core/alternating.test: Run some of the test through
valgrind to exhibit the bug.
* spot/twa/twagraph.cc: Fix it.
This commit is contained in:
Alexandre Duret-Lutz 2017-01-10 10:29:32 +01:00
parent 042c7a0f5b
commit 12ecb3febf
2 changed files with 10 additions and 9 deletions
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10
tests/core/alternating.test
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@ -1,7 +1,7 @@
#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2016 Laboratoire de Recherche et Développement de
# l'Epita (LRDE).
# Copyright (C) 2016, 2017 Laboratoire de Recherche et Développement
# de l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
#
@ -319,9 +319,9 @@ State: 3
--END--
EOF
autfilt --remove-unreachable-states ex4 > out4
run 0 autfilt --remove-unreachable-states ex4 > out4
diff expect4 out4
autfilt --remove-dead-states ex4 > out4
run 0 autfilt --remove-dead-states ex4 > out4
diff ex2 out4
@ -338,7 +338,7 @@ State: 1
--END--
EOF
autfilt --remove-dead-states ex5 > out5
run 0 autfilt --remove-dead-states ex5 > out5
cat >expect <<EOF
HOA: v1
States: 1