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Hack to get around problem in Z3

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This commit is contained in:
Martin Blicha
2023-09-05 12:39:19 +02:00
parent 8c99c125c4
commit 3a01b432c4
1 changed files with 18 additions and 1 deletions
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libsolidity/formal/SymbolicTypes.cpp
+18 -1
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@@ -23,12 +23,24 @@
#include <libsolidity/ast/TypeProvider.h>
#include <libsolidity/ast/Types.h>
#include <libsolutil/CommonData.h>
#include <algorithm>
#include <memory>
#include <vector>
using namespace solidity::util;
using namespace solidity::smtutil;
namespace
{
// HACK to get around Z3 bug in printing type names with spaces (https://github.com/Z3Prover/z3/issues/6850)
void sanitizeTypeName(std::string& name)
{
std::replace(name.begin(), name.end(), ' ', '_');
std::replace(name.begin(), name.end(), '(', '[');
std::replace(name.begin(), name.end(), ')', ']');
}
}
namespace solidity::frontend::smt
{
@@ -118,13 +130,16 @@ SortPointer smtSort(frontend::Type const& _type)
else if (baseType->category() == frontend::Type::Category::FixedBytes)
tupleName = "fixedbytes";
else
{
tupleName = arrayType->baseType()->toString(true);
}
tupleName += "_array";
}
else
tupleName = _type.toString(true);
sanitizeTypeName(tupleName);
tupleName += "_tuple";
return std::make_shared<TupleSort>(
@@ -136,7 +151,9 @@ SortPointer smtSort(frontend::Type const& _type)
case Kind::Tuple:
{
std::vector<std::string> members;
auto const& tupleName = _type.toString(true);
auto tupleName = _type.toString(true);
sanitizeTypeName(tupleName);
std::vector<SortPointer> sorts;
if (auto const* tupleType = dynamic_cast<frontend::TupleType const*>(&_type))