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smt2: abits needs to be at least 1 for BitVec

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BitVecs need a minimum length of 1; we zero-fill any extra bits in the
extend_u0() calls which works perfectly.
This commit is contained in:
Charlotte Connor 2023-06-13 14:59:18 +10:00 • committed by Asherah Connor
parent 8b2a001021
commit c9d31c3c87
1 changed files with 2 additions and 2 deletions
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4
backends/smt2/smt2.cc
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@ -773,7 +773,7 @@ struct Smt2Worker
int arrayid = idcounter++;
memarrays[mem] = arrayid;
int abits = ceil_log2(mem->size);
int abits = max(1, ceil_log2(mem->size));
bool has_sync_wr = false;
bool has_async_wr = false;
@ -1220,7 +1220,7 @@ struct Smt2Worker
{
int arrayid = memarrays.at(mem);
int abits = ceil_log2(mem->size);;
int abits = max(1, ceil_log2(mem->size));
bool has_sync_wr = false;
bool has_async_wr = false;