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SMV: KNOWNBUG test for integer range with negative numbers #1184

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Merged
merged 1 commit into from
Jul 7, 2025
Merged

SMV: KNOWNBUG test for integer range with negative numbers #1184

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8 changes: 8 additions & 0 deletions regression/smv/range-type/range_type10.desc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
KNOWNBUG
range_type10.smv

^EXIT=0$
^SIGNAL=0$
--
--
This fails to parse.
22 changes: 22 additions & 0 deletions regression/smv/range-type/range_type10.smv
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
MODULE main

VAR x : 1..6;
VAR y : -6..-1;

ASSIGN init(x) := 1;
ASSIGN init(y) := -1;

ASSIGN next(x) :=
case
x=6 : 1;
TRUE: x+1;
esac;

ASSIGN next(y) :=
case
y=-6 : -1;
TRUE: y + -1;
esac;

-- should pass
LTLSPEC G x + y = 0
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