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[SMTChecker] Reset SSA index to 0 instead of increasing in context reset

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This commit is contained in:
Leonardo Alt 2019-07-25 14:10:09 +02:00
parent 4f7fec6911
commit 6bcbeb1d23
5 changed files with 13 additions and 6 deletions
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4
libsolidity/formal/EncodingContext.cpp
View File

@ -38,8 +38,8 @@ void EncodingContext::reset()
resetAllVariables();
m_expressions.clear();
m_globalContext.clear();
m_thisAddress->increaseIndex();
m_balances->increaseIndex();
m_thisAddress->resetIndex();
m_balances->resetIndex();
m_assertions.clear();
}

6
libsolidity/formal/SymbolicVariables.cpp
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@ -78,6 +78,12 @@ string SymbolicVariable::uniqueSymbol(unsigned _index) const
return m_uniqueName + "_" + to_string(_index);
}
Expression SymbolicVariable::resetIndex()
{
m_ssa->resetIndex();
return currentValue();
}
Expression SymbolicVariable::increaseIndex()
{
++(*m_ssa);

1
libsolidity/formal/SymbolicVariables.h
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@ -55,6 +55,7 @@ public:
std::string currentName() const;
virtual Expression valueAtIndex(int _index) const;
virtual std::string nameAtIndex(int _index) const;
virtual Expression resetIndex();
virtual Expression increaseIndex();
virtual Expression operator()(std::vector<Expression> /*_arguments*/) const
{

6
test/libsolidity/smtCheckerTestsJSON/multi.json
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@ -3,9 +3,9 @@
{
"smtlib2responses":
{
"0x0e5da3eca3d435940329103801b225604b2117438acea19504f980c5c1aaa571": "sat\n((|EVALEXPR_0| 0))\n",
"0xb83649564ec7bcc0c986c9c9c9d3fc28d90ad276ed2a6605fd48d10d30bef5e6": "sat\n((|EVALEXPR_0| 1))\n",
"0xeb8a2252226643551271abef0bc6c5c68b3a12fa509ad78a687c2cf76ddb4148": "unsat\n"
"0x047d0c67d7e03c5ac96ca227d1e19ba63257f4ab19cef30029413219ec8963af": "sat\n((|EVALEXPR_0| 0))\n",
"0x21d5b49d1416d788fe34b1d2a10a99ea92b007e17a977604afd7b2ff01a055cd": "unsat\n",
"0xada7569fb01a9b3e2823517ed40dcc99b11fb1e433e6e3ec8a8713f6f95753d3": "sat\n((|EVALEXPR_0| 1))\n"
}
}
}

2
test/libsolidity/smtCheckerTestsJSON/simple.json
View File

@ -3,7 +3,7 @@
{
"smtlib2responses":
{
"0x9804531ddd39e0d6df2dcb24d8dfd9e7b8c7ed3ece5d33f1680063d3e02f18f0": "sat\n((|EVALEXPR_0| 0))\n"
"0x2e32517a1410b1a16decd448bb9bac7789d7cf1c6f98703ed6bacfcad6abebfb": "sat\n((|EVALEXPR_0| 0))\n"
}
}
}