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SMV: error mod and div on integers #1474

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Merged
tautschnig merged 1 commit into from
Dec 11, 2025
Merged

SMV: error mod and div on integers #1474

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6 changes: 3 additions & 3 deletions regression/smv/expressions/div1.desc
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
KNOWNBUG
CORE
div1.smv

^EXIT=0$
^file .* line 4: no support for / on integer operands$
^EXIT=2$
^SIGNAL=0$
--
--
div is not implemented.
6 changes: 3 additions & 3 deletions regression/smv/expressions/mod1.desc
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
KNOWNBUG
CORE
mod1.smv

^EXIT=0$
^file .* line 4: no support for % on integer operands$
^EXIT=2$
^SIGNAL=0$
--
--
mod is not implemented.
10 changes: 8 additions & 2 deletions src/smvlang/smv_typecheck.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -806,9 +806,15 @@ void smv_typecheckt::typecheck_expr_rec(exprt &expr, modet mode)
else if(expr.id() == ID_mult)
new_range = smv_range0 * smv_range1;
else if(expr.id() == ID_div)
new_range = smv_range0;
{
throw errort().with_location(expr.source_location())
<< "no support for / on integer operands";
}
else if(expr.id() == ID_mod)
new_range = smv_range1;
{
throw errort().with_location(expr.source_location())
<< "no support for % on integer operands";
}
else
assert(false);

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