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[SMTChecker] SymbolicVariables use EncodingContext to declare SMT vars

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This commit is contained in:
Leonardo Alt
2019-07-03 16:05:56 +02:00
parent b837705259
commit 934e00d235
10 changed files with 92 additions and 84 deletions
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libsolidity/formal/EncodingContext.cpp
+7 -7
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@@ -24,14 +24,14 @@ using namespace dev;
using namespace dev::solidity::smt;
EncodingContext::EncodingContext(std::shared_ptr<SolverInterface> _solver):
m_thisAddress(make_unique<SymbolicAddressVariable>("this", *_solver)),
m_thisAddress(make_unique<SymbolicAddressVariable>("this", *this)),
m_solver(_solver)
{
auto sort = make_shared<ArraySort>(
make_shared<Sort>(Kind::Int),
make_shared<Sort>(Kind::Int)
);
m_balances = make_unique<SymbolicVariable>(sort, "balances", *m_solver);
m_balances = make_unique<SymbolicVariable>(sort, "balances", *this);
}
void EncodingContext::reset()
@@ -56,7 +56,7 @@ bool EncodingContext::createVariable(solidity::VariableDeclaration const& _varDe
{
solAssert(!knownVariable(_varDecl), "");
auto const& type = _varDecl.type();
auto result = newSymbolicVariable(*type, _varDecl.name() + "_" + to_string(_varDecl.id()), *m_solver);
auto result = newSymbolicVariable(*type, _varDecl.name() + "_" + to_string(_varDecl.id()), *this);
m_variables.emplace(&_varDecl, result.second);
return result.first;
}
@@ -106,7 +106,7 @@ void EncodingContext::setZeroValue(solidity::VariableDeclaration const& _decl)
void EncodingContext::setZeroValue(SymbolicVariable& _variable)
{
setSymbolicZeroValue(_variable, *m_solver);
setSymbolicZeroValue(_variable, *this);
}
void EncodingContext::setUnknownValue(solidity::VariableDeclaration const& _decl)
@@ -117,7 +117,7 @@ void EncodingContext::setUnknownValue(solidity::VariableDeclaration const& _decl
void EncodingContext::setUnknownValue(SymbolicVariable& _variable)
{
setSymbolicUnknownValue(_variable, *m_solver);
setSymbolicUnknownValue(_variable, *this);
}
/// Expressions
@@ -144,7 +144,7 @@ bool EncodingContext::createExpression(solidity::Expression const& _e, shared_pt
}
else
{
auto result = newSymbolicVariable(*_e.annotation().type, "expr_" + to_string(_e.id()), *m_solver);
auto result = newSymbolicVariable(*_e.annotation().type, "expr_" + to_string(_e.id()), *this);
m_expressions.emplace(&_e, result.second);
return result.first;
}
@@ -166,7 +166,7 @@ shared_ptr<SymbolicVariable> EncodingContext::globalSymbol(string const& _name)
bool EncodingContext::createGlobalSymbol(string const& _name, solidity::Expression const& _expr)
{
solAssert(!knownGlobalSymbol(_name), "");
auto result = newSymbolicVariable(*_expr.annotation().type, _name, *m_solver);
auto result = newSymbolicVariable(*_expr.annotation().type, _name, *this);
m_globalContext.emplace(_name, result.second);
setUnknownValue(*result.second);
return result.first;