diff options
| author | Aina Niemetz <aina.niemetz@gmail.com> | 2020-06-15 12:32:42 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-15 12:32:42 -0700 |
| commit | 3cb6e28c13a2c3ff42d68d5b5025e4b56cb2054b (patch) | |
| tree | 1adb7a13adb48c73fec51125e9945b7f04557a5b /src/theory | |
| parent | af37e2c948c140dbee2421a3cb046e068cc5b0f8 (diff) | |
BV: Add missing type check for BITVECTOR_REPEAT_OP. (#4614)
Fixes #4075.
Diffstat (limited to 'src/theory')
| -rw-r--r-- | src/theory/bv/theory_bv_type_rules.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/theory/bv/theory_bv_type_rules.h b/src/theory/bv/theory_bv_type_rules.h index 42b90cd29..3589538bf 100644 --- a/src/theory/bv/theory_bv_type_rules.h +++ b/src/theory/bv/theory_bv_type_rules.h @@ -302,6 +302,10 @@ class BitVectorRepeatTypeRule throw TypeCheckingExceptionPrivate(n, "expecting bit-vector term"); } unsigned repeatAmount = n.getOperator().getConst<BitVectorRepeat>(); + if (repeatAmount == 0) + { + throw TypeCheckingExceptionPrivate(n, "expecting number of repeats > 0"); + } return nodeManager->mkBitVectorType(repeatAmount * t.getBitVectorSize()); } }; /* class BitVectorRepeatTypeRule */ |