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add deadend test for BDD engine #817

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Merged
tautschnig merged 1 commit into from
Nov 16, 2024
Merged

add deadend test for BDD engine #817

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12 changes: 12 additions & 0 deletions regression/ebmc/BDD/deadend1.desc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
CORE
deadend1.smv
--bdd
^\[spec1\] AX FALSE: PROVED$
^\[spec2\] EX FALSE: PROVED$
^\[spec3\] AX TRUE: PROVED$
^\[spec4\] EX TRUE: PROVED
^EXIT=0$
^SIGNAL=0$
--
^warning: ignoring
--
20 changes: 20 additions & 0 deletions regression/ebmc/BDD/deadend1.smv
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Original file line number Diff line number Diff line change
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MODULE main

VAR some_var : boolean;

INIT some_var = FALSE

-- the initial state is a deadend state
TRANS FALSE

-- should pass
SPEC AX FALSE

-- should pass
SPEC EX FALSE

-- should pass
SPEC AX TRUE

-- should pass
SPEC EX TRUE
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