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[SMTChecker] Add as const function to SMTLib2Interface

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This commit is contained in:
Leonardo Alt 2019-09-18 22:33:00 +02:00
parent 5a950908b6
commit ed9674be8d
3 changed files with 22 additions and 7 deletions
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23
libsolidity/formal/SMTLib2Interface.cpp
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@ -46,7 +46,7 @@ void SMTLib2Interface::reset()
m_accumulatedOutput.emplace_back();
m_variables.clear();
write("(set-option :produce-models true)");
write("(set-logic QF_UFLIA)");
write("(set-logic ALL)");
}
void SMTLib2Interface::push()
@ -126,9 +126,24 @@ string SMTLib2Interface::toSExpr(smt::Expression const& _expr)
{
if (_expr.arguments.empty())
return _expr.name;
std::string sexpr = "(" + _expr.name;
for (auto const& arg: _expr.arguments)
sexpr += " " + toSExpr(arg);
std::string sexpr = "(";
if (_expr.name == "const_array")
{
solAssert(_expr.arguments.size() == 2, "");
auto sortSort = std::dynamic_pointer_cast<SortSort>(_expr.arguments.at(0).sort);
solAssert(sortSort, "");
auto arraySort = dynamic_pointer_cast<ArraySort>(sortSort->inner);
solAssert(arraySort, "");
sexpr += "(as const " + toSmtLibSort(*arraySort) + ") ";
sexpr += toSExpr(_expr.arguments.at(1));
}
else
{
sexpr += _expr.name;
for (auto const& arg: _expr.arguments)
sexpr += " " + toSExpr(arg);
}
sexpr += ")";
return sexpr;
}

4
test/libsolidity/smtCheckerTestsJSON/multi.json
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@ -3,8 +3,8 @@
{
"smtlib2responses":
{
"0x047d0c67d7e03c5ac96ca227d1e19ba63257f4ab19cef30029413219ec8963af": "sat\n((|EVALEXPR_0| 0))\n",
"0xada7569fb01a9b3e2823517ed40dcc99b11fb1e433e6e3ec8a8713f6f95753d3": "sat\n((|EVALEXPR_0| 1))\n"
"0x82fb8ee094f0f56b7a63a74177b54a1710d6fc531d426f288c18f36b76cf6a8b": "sat\n((|EVALEXPR_0| 1))\n",
"0xb524e7c577188e2e36f0e67fead51269fa0f8b8fb41bff2d973dcf584d38cd1e": "sat\n((|EVALEXPR_0| 0))\n"
}
}
}

2
test/libsolidity/smtCheckerTestsJSON/simple.json
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@ -3,7 +3,7 @@
{
"smtlib2responses":
{
"0x2e32517a1410b1a16decd448bb9bac7789d7cf1c6f98703ed6bacfcad6abebfb": "sat\n((|EVALEXPR_0| 0))\n"
"0x45c37a9829e623d7838d82b547d297cd446d6b5faff36c53a56862fcee50fb41": "sat\n((|EVALEXPR_0| 0))\n"
}
}
}