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Merge pull request #11178 from blishko/smt-assign-refactor

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[SMTChecker] Small refactoring of assignment
This commit is contained in:
Leonardo 2021-03-31 16:31:29 +02:00 committed by GitHub
commit cbccb53ee2
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14 changed files with 410 additions and 490 deletions
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134
libsolidity/formal/SMTEncoder.cpp
View File

@ -484,44 +484,16 @@ void SMTEncoder::endVisit(UnaryOperation const& _op)
{
solAssert(smt::isInteger(*type) || smt::isFixedPoint(*type), "");
solAssert(subExpr->annotation().willBeWrittenTo, "");
auto computeNewValue = [&](auto currentValue) {
return arithmeticOperation(
_op.getOperator() == Token::Inc ? Token::Add : Token::Sub,
currentValue,
smtutil::Expression(size_t(1)),
_op.annotation().type,
_op
).first;
};
if (auto identifier = dynamic_cast<Identifier const*>(subExpr))
{
auto decl = identifierToVariable(*identifier);
solAssert(decl, "");
auto innerValue = currentValue(*decl);
auto newValue = computeNewValue(innerValue);
defineExpr(_op, _op.isPrefixOperation() ? newValue : innerValue);
assignment(*decl, newValue);
}
else if (
dynamic_cast<IndexAccess const*>(subExpr) ||
dynamic_cast<MemberAccess const*>(subExpr)
)
{
auto innerValue = expr(*subExpr);
auto newValue = computeNewValue(innerValue);
defineExpr(_op, _op.isPrefixOperation() ? newValue : innerValue);
indexOrMemberAssignment(*subExpr, newValue);
}
else if (isEmptyPush(*subExpr))
{
auto innerValue = expr(*subExpr);
auto newValue = computeNewValue(innerValue);
defineExpr(_op, _op.isPrefixOperation() ? newValue : innerValue);
arrayPushPopAssign(*subExpr, newValue);
}
else
solAssert(false, "");
auto innerValue = expr(*subExpr);
auto newValue = arithmeticOperation(
_op.getOperator() == Token::Inc ? Token::Add : Token::Sub,
innerValue,
smtutil::Expression(size_t(1)),
_op.annotation().type,
_op
).first;
defineExpr(_op, _op.isPrefixOperation() ? newValue : innerValue);
assignment(*subExpr, newValue);
break;
}
case Token::Sub: // -
@ -1578,9 +1550,9 @@ void SMTEncoder::arrayPush(FunctionCall const& _funCall)
m_context.addAssertion(symbArray->length() == oldLength + 1);
if (arguments.empty())
defineExpr(_funCall, smtutil::Expression::select(symbArray->elements(), oldLength));
defineExpr(_funCall, element);
arrayPushPopAssign(memberAccess->expression(), symbArray->currentValue());
assignment(memberAccess->expression(), symbArray->currentValue());
}
void SMTEncoder::arrayPop(FunctionCall const& _funCall)
@ -1604,54 +1576,7 @@ void SMTEncoder::arrayPop(FunctionCall const& _funCall)
);
m_context.addAssertion(symbArray->length() == newLength);
arrayPushPopAssign(memberAccess->expression(), symbArray->currentValue());
}
void SMTEncoder::arrayPushPopAssign(Expression const& _expr, smtutil::Expression const& _array)
{
Expression const* expr = cleanExpression(_expr);
if (auto const* id = dynamic_cast<Identifier const*>(expr))
{
auto varDecl = identifierToVariable(*id);
solAssert(varDecl, "");
if (varDecl->hasReferenceOrMappingType())
resetReferences(*varDecl);
m_context.addAssertion(m_context.newValue(*varDecl) == _array);
m_context.expression(*id)->increaseIndex();
defineExpr(*id,currentValue(*varDecl));
}
else if (
dynamic_cast<IndexAccess const*>(expr) ||
dynamic_cast<MemberAccess const*>(expr)
)
indexOrMemberAssignment(_expr, _array);
else if (auto const* funCall = dynamic_cast<FunctionCall const*>(expr))
{
if (
auto funType = dynamic_cast<FunctionType const*>(funCall->expression().annotation().type);
funType && funType->kind() == FunctionType::Kind::ArrayPush
)
{
auto memberAccess = dynamic_cast<MemberAccess const*>(&funCall->expression());
solAssert(memberAccess, "");
auto symbArray = dynamic_pointer_cast<smt::SymbolicArrayVariable>(m_context.expression(memberAccess->expression()));
solAssert(symbArray, "");
auto oldLength = symbArray->length();
auto store = smtutil::Expression::store(
symbArray->elements(),
symbArray->length() - 1,
_array
);
symbArray->increaseIndex();
m_context.addAssertion(symbArray->elements() == store);
m_context.addAssertion(symbArray->length() == oldLength);
arrayPushPopAssign(memberAccess->expression(), symbArray->currentValue());
}
}
else
solAssert(false, "");
assignment(memberAccess->expression(), symbArray->currentValue());
}
void SMTEncoder::defineGlobalVariable(string const& _name, Expression const& _expr, bool _increaseIndex)
@ -1980,6 +1905,11 @@ pair<smtutil::Expression, smtutil::Expression> SMTEncoder::divModWithSlacks(
return {divResult, modResult};
}
void SMTEncoder::assignment(Expression const& _left, smtutil::Expression const& _right)
{
assignment(_left, _right, _left.annotation().type);
}
void SMTEncoder::assignment(
Expression const& _left,
smtutil::Expression const& _right,
@ -1991,7 +1921,7 @@ void SMTEncoder::assignment(
"Tuple assignments should be handled by tupleAssignment."
);
Expression const* left = innermostTuple(_left);
Expression const* left = cleanExpression(_left);
if (!smt::isSupportedType(*_type))
{
@ -2010,8 +1940,30 @@ void SMTEncoder::assignment(
dynamic_cast<MemberAccess const*>(left)
)
indexOrMemberAssignment(*left, _right);
else if (isEmptyPush(*left))
arrayPushPopAssign(*left, _right);
else if (auto const* funCall = dynamic_cast<FunctionCall const*>(left))
{
if (
auto funType = dynamic_cast<FunctionType const*>(funCall->expression().annotation().type);
funType && funType->kind() == FunctionType::Kind::ArrayPush
)
{
auto memberAccess = dynamic_cast<MemberAccess const*>(&funCall->expression());
solAssert(memberAccess, "");
auto symbArray = dynamic_pointer_cast<smt::SymbolicArrayVariable>(m_context.expression(memberAccess->expression()));
solAssert(symbArray, "");
auto oldLength = symbArray->length();
auto store = smtutil::Expression::store(
symbArray->elements(),
symbArray->length() - 1,
_right
);
symbArray->increaseIndex();
m_context.addAssertion(symbArray->elements() == store);
m_context.addAssertion(symbArray->length() == oldLength);
assignment(memberAccess->expression(), symbArray->currentValue());
}
}
else
solAssert(false, "");
}

2
libsolidity/formal/SMTEncoder.h
View File

@ -223,7 +223,6 @@ protected:
void arrayPush(FunctionCall const& _funCall);
void arrayPop(FunctionCall const& _funCall);
void arrayPushPopAssign(Expression const& _expr, smtutil::Expression const& _array);
/// Allows BMC and CHC to create verification targets for popping
/// an empty array.
virtual void makeArrayPopVerificationTarget(FunctionCall const&) {}
@ -253,6 +252,7 @@ protected:
void assignment(VariableDeclaration const& _variable, smtutil::Expression const& _value);
/// Handles assignments between generic expressions.
/// Will also be used for assignments of tuple components.
void assignment(Expression const& _left, smtutil::Expression const& _right);
void assignment(
Expression const& _left,
smtutil::Expression const& _right,

114
test/cmdlineTests/standard_model_checker_targets_all/output.json
View File

@ -1,61 +1,4 @@
{"auxiliaryInputRequested":{"smtlib2queries":{"0x0ae37e2188bca4f05e5d380a139f98fa51f42155b282121332698f6b8e8a822a":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
(declare-datatypes ((|state_type| 0)) (((|state_type| (|balances| (Array Int Int))))))
(declare-fun |state_0| () |state_type|)
(declare-datatypes ((|bytes_tuple| 0)) (((|bytes_tuple| (|bytes_tuple_accessor_array| (Array Int Int)) (|bytes_tuple_accessor_length| Int)))))
(declare-datatypes ((|tx_type| 0)) (((|tx_type| (|block.chainid| Int) (|block.coinbase| Int) (|block.difficulty| Int) (|block.gaslimit| Int) (|block.number| Int) (|block.timestamp| Int) (|blockhash| (Array Int Int)) (|msg.data| |bytes_tuple|) (|msg.sender| Int) (|msg.sig| Int) (|msg.value| Int) (|tx.gasprice| Int) (|tx.origin| Int)))))
(declare-fun |tx_0| () |tx_type|)
(declare-datatypes ((|ecrecover_input_type| 0)) (((|ecrecover_input_type| (|hash| Int) (|v| Int) (|r| Int) (|s| Int)))))
(declare-datatypes ((|crypto_type| 0)) (((|crypto_type| (|ecrecover| (Array |ecrecover_input_type| Int)) (|keccak256| (Array |bytes_tuple| Int)) (|ripemd160| (Array |bytes_tuple| Int)) (|sha256| (Array |bytes_tuple| Int))))))
(declare-fun |crypto_0| () |crypto_type|)
(declare-datatypes ((|abi_type| 0)) (((|abi_type|))))
(declare-fun |abi_0| () |abi_type|)
(declare-datatypes ((|uint[]_tuple| 0)) (((|uint[]_tuple| (|uint[]_tuple_accessor_array| (Array Int Int)) (|uint[]_tuple_accessor_length| Int)))))
(declare-fun |arr_5_length_pair_0| () |uint[]_tuple|)
(declare-fun |a_7_0| () Int)
(declare-fun |x_9_0| () Int)
(declare-fun |arr_5_length_pair_1| () |uint[]_tuple|)
(declare-fun |expr_13_0| () Int)
(declare-fun |expr_14_0| () Int)
(declare-fun |expr_15_1| () Bool)
(declare-fun |expr_18_0| () Int)
(declare-fun |expr_19_1| () Int)
(declare-fun |x_9_1| () Int)
(declare-fun |expr_21_0| () Int)
(declare-fun |expr_26_1| () Int)
(declare-fun |expr_27_1| () Int)
(declare-fun |expr_29_0| () Int)
(declare-fun |expr_30_0| () Int)
(declare-fun |d_div_mod_14_0| () Int)
(declare-fun |r_div_mod_14_0| () Int)
(declare-fun |expr_31_1| () Int)
(declare-fun |expr_33_0| () Int)
(declare-fun |expr_36_0| () Int)
(declare-fun |state_1| () |state_type|)
(declare-fun |state_2| () |state_type|)
(declare-fun |state_3| () |state_type|)
(declare-fun |expr_40_0| () Int)
(declare-fun |expr_41_0| () Int)
(declare-fun |expr_42_1| () Bool)
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_36_0 0) (<= expr_36_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_36_0 x_9_1) (and (implies (and true true) (and (>= expr_33_0 0) (<= expr_33_0 1461501637330902918203684832716283019655932542975))) (and (= expr_33_0 a_7_0) (and (implies (and true true) (and (>= expr_31_1 0) (<= expr_31_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_31_1 (ite (= expr_30_0 0) 0 d_div_mod_14_0)) (and (and (<= 0 r_div_mod_14_0) (or (= expr_30_0 0) (< r_div_mod_14_0 expr_30_0))) (and (= (+ (* d_div_mod_14_0 expr_30_0) r_div_mod_14_0) expr_29_0) (and (implies (and true true) (and (>= expr_30_0 0) (<= expr_30_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_30_0 x_9_1) (and (implies (and true true) true) (and (= expr_29_0 2) (and (implies (and true true) (and (>= expr_27_1 0) (<= expr_27_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_27_1 (+ expr_21_0 expr_26_1)) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- x_9_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- x_9_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))))))))))))))))) (< (select (|balances| state_0) this_0) expr_36_0)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)
(assert (= |EVALEXPR_1| x_9_1))
(check-sat)
(get-value (|EVALEXPR_0| |EVALEXPR_1| ))
","0x858035fcfc2316b3f09ebac493170a22ae2971f0f65f8ca7e125fe7f4b88756d":"(set-option :produce-models true)
{"auxiliaryInputRequested":{"smtlib2queries":{"0x858035fcfc2316b3f09ebac493170a22ae2971f0f65f8ca7e125fe7f4b88756d":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -105,6 +48,61 @@
(assert (and (and (and true true) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))) (not expr_15_1)))
(check-sat)
","0xeb141c7bf753748c7972af4a35e586d579a5e374e8f2aa2455ddbdf931e5582b":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
(declare-datatypes ((|state_type| 0)) (((|state_type| (|balances| (Array Int Int))))))
(declare-fun |state_0| () |state_type|)
(declare-datatypes ((|bytes_tuple| 0)) (((|bytes_tuple| (|bytes_tuple_accessor_array| (Array Int Int)) (|bytes_tuple_accessor_length| Int)))))
(declare-datatypes ((|tx_type| 0)) (((|tx_type| (|block.chainid| Int) (|block.coinbase| Int) (|block.difficulty| Int) (|block.gaslimit| Int) (|block.number| Int) (|block.timestamp| Int) (|blockhash| (Array Int Int)) (|msg.data| |bytes_tuple|) (|msg.sender| Int) (|msg.sig| Int) (|msg.value| Int) (|tx.gasprice| Int) (|tx.origin| Int)))))
(declare-fun |tx_0| () |tx_type|)
(declare-datatypes ((|ecrecover_input_type| 0)) (((|ecrecover_input_type| (|hash| Int) (|v| Int) (|r| Int) (|s| Int)))))
(declare-datatypes ((|crypto_type| 0)) (((|crypto_type| (|ecrecover| (Array |ecrecover_input_type| Int)) (|keccak256| (Array |bytes_tuple| Int)) (|ripemd160| (Array |bytes_tuple| Int)) (|sha256| (Array |bytes_tuple| Int))))))
(declare-fun |crypto_0| () |crypto_type|)
(declare-datatypes ((|abi_type| 0)) (((|abi_type|))))
(declare-fun |abi_0| () |abi_type|)
(declare-datatypes ((|uint[]_tuple| 0)) (((|uint[]_tuple| (|uint[]_tuple_accessor_array| (Array Int Int)) (|uint[]_tuple_accessor_length| Int)))))
(declare-fun |arr_5_length_pair_0| () |uint[]_tuple|)
(declare-fun |a_7_0| () Int)
(declare-fun |x_9_0| () Int)
(declare-fun |arr_5_length_pair_1| () |uint[]_tuple|)
(declare-fun |expr_13_0| () Int)
(declare-fun |expr_14_0| () Int)
(declare-fun |expr_15_1| () Bool)
(declare-fun |expr_18_0| () Int)
(declare-fun |expr_19_1| () Int)
(declare-fun |x_9_1| () Int)
(declare-fun |expr_21_0| () Int)
(declare-fun |expr_26_1| () Int)
(declare-fun |expr_27_1| () Int)
(declare-fun |expr_29_0| () Int)
(declare-fun |expr_30_0| () Int)
(declare-fun |d_div_mod_14_0| () Int)
(declare-fun |r_div_mod_14_0| () Int)
(declare-fun |expr_31_1| () Int)
(declare-fun |expr_33_0| () Int)
(declare-fun |expr_36_0| () Int)
(declare-fun |state_1| () |state_type|)
(declare-fun |state_2| () |state_type|)
(declare-fun |state_3| () |state_type|)
(declare-fun |expr_40_0| () Int)
(declare-fun |expr_41_0| () Int)
(declare-fun |expr_42_1| () Bool)
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_36_0 0) (<= expr_36_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_36_0 x_9_1) (and (implies (and true true) (and (>= expr_33_0 0) (<= expr_33_0 1461501637330902918203684832716283019655932542975))) (and (= expr_33_0 a_7_0) (and (implies (and true true) (and (>= expr_31_1 0) (<= expr_31_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_31_1 (ite (= expr_30_0 0) 0 d_div_mod_14_0)) (and (and (<= 0 r_div_mod_14_0) (or (= expr_30_0 0) (< r_div_mod_14_0 expr_30_0))) (and (= (+ (* d_div_mod_14_0 expr_30_0) r_div_mod_14_0) expr_29_0) (and (implies (and true true) (and (>= expr_30_0 0) (<= expr_30_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_30_0 x_9_1) (and (implies (and true true) true) (and (= expr_29_0 2) (and (implies (and true true) (and (>= expr_27_1 0) (<= expr_27_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_27_1 (+ expr_21_0 expr_26_1)) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- expr_18_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- expr_18_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))))))))))))))))) (< (select (|balances| state_0) this_0) expr_36_0)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)
(assert (= |EVALEXPR_1| x_9_1))
(check-sat)
(get-value (|EVALEXPR_0| |EVALEXPR_1| ))
"}},"errors":[{"component":"general","errorCode":"3944","formattedMessage":"Warning: CHC: Underflow (resulting value less than 0) happens here.
Counterexample:
arr = []

464
test/cmdlineTests/standard_model_checker_targets_all_bmc/output.json
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6
test/cmdlineTests/standard_model_checker_targets_assert_bmc/output.json
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6
test/cmdlineTests/standard_model_checker_targets_balance_bmc/output.json
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@ -1,4 +1,4 @@
{"auxiliaryInputRequested":{"smtlib2queries":{"0x0b0abe50a463d83cc965e76d4d1972e45281d54eb73ae5aa8fc775e90abbf71c":"(set-option :produce-models true)
{"auxiliaryInputRequested":{"smtlib2queries":{"0xecb8a634d43c6b3fa690c2fec3a4763042a115cb28580d86760b27cbb849cd95":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -42,13 +42,11 @@
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_36_0 0) (<= expr_36_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_36_0 x_9_1) (and (implies (and true true) (and (>= expr_33_0 0) (<= expr_33_0 1461501637330902918203684832716283019655932542975))) (and (= expr_33_0 a_7_0) (and (implies (and true true) (and (>= expr_31_1 0) (<= expr_31_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_31_1 (ite (= expr_30_0 0) 0 d_div_mod_0_0)) (and (and (<= 0 r_div_mod_0_0) (or (= expr_30_0 0) (< r_div_mod_0_0 expr_30_0))) (and (= (+ (* d_div_mod_0_0 expr_30_0) r_div_mod_0_0) expr_29_0) (and (implies (and true true) (and (>= expr_30_0 0) (<= expr_30_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_30_0 x_9_1) (and (implies (and true true) true) (and (= expr_29_0 2) (and (implies (and true true) (and (>= expr_27_1 0) (<= expr_27_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_27_1 (+ expr_21_0 expr_26_1)) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- x_9_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- x_9_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))))))))))))))))) (< (select (|balances| state_0) this_0) expr_36_0)))
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_36_0 0) (<= expr_36_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_36_0 x_9_1) (and (implies (and true true) (and (>= expr_33_0 0) (<= expr_33_0 1461501637330902918203684832716283019655932542975))) (and (= expr_33_0 a_7_0) (and (implies (and true true) (and (>= expr_31_1 0) (<= expr_31_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_31_1 (ite (= expr_30_0 0) 0 d_div_mod_0_0)) (and (and (<= 0 r_div_mod_0_0) (or (= expr_30_0 0) (< r_div_mod_0_0 expr_30_0))) (and (= (+ (* d_div_mod_0_0 expr_30_0) r_div_mod_0_0) expr_29_0) (and (implies (and true true) (and (>= expr_30_0 0) (<= expr_30_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_30_0 x_9_1) (and (implies (and true true) true) (and (= expr_29_0 2) (and (implies (and true true) (and (>= expr_27_1 0) (<= expr_27_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_27_1 (+ expr_21_0 expr_26_1)) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- expr_18_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- expr_18_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))))))))))))))))) (< (select (|balances| state_0) this_0) expr_36_0)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)

6
test/cmdlineTests/standard_model_checker_targets_div_by_zero_bmc/output.json
View File

@ -1,4 +1,4 @@
{"auxiliaryInputRequested":{"smtlib2queries":{"0xb8b792833b9e11c3c041b12b2497f440f94a3d5ba4b1e5fea5c8951df8e8ae50":"(set-option :produce-models true)
{"auxiliaryInputRequested":{"smtlib2queries":{"0x5b98fbb121c58b139f0f8baa8e153dfeb0a4621f789bf1cbbc586298bcae48e1":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -42,13 +42,11 @@
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_30_0 0) (<= expr_30_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_30_0 x_9_1) (and (implies (and true true) true) (and (= expr_29_0 2) (and (implies (and true true) (and (>= expr_27_1 0) (<= expr_27_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_27_1 (+ expr_21_0 expr_26_1)) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- x_9_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- x_9_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))))))))) (= expr_30_0 0)))
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_30_0 0) (<= expr_30_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_30_0 x_9_1) (and (implies (and true true) true) (and (= expr_29_0 2) (and (implies (and true true) (and (>= expr_27_1 0) (<= expr_27_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_27_1 (+ expr_21_0 expr_26_1)) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- expr_18_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- expr_18_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))))))))) (= expr_30_0 0)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)

6
test/cmdlineTests/standard_model_checker_targets_overflow_bmc/output.json
View File

@ -1,4 +1,4 @@
{"auxiliaryInputRequested":{"smtlib2queries":{"0xa3996a5d47bc44faaf73323541afb4be072ec0895e8308f2f86b201ef24f1260":"(set-option :produce-models true)
{"auxiliaryInputRequested":{"smtlib2queries":{"0xce4156c685d481fe03752262b478cd8877739dba34535f7bfec42a2d30d45445":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -42,13 +42,11 @@
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- x_9_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- x_9_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))) (> (+ expr_21_0 expr_26_1) 115792089237316195423570985008687907853269984665640564039457584007913129639935)))
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- expr_18_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- expr_18_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))) (> (+ expr_21_0 expr_26_1) 115792089237316195423570985008687907853269984665640564039457584007913129639935)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)

8
test/cmdlineTests/standard_model_checker_targets_underflow_bmc/output.json
View File

@ -1,4 +1,4 @@
{"auxiliaryInputRequested":{"smtlib2queries":{"0x7361a6612f525ea38847be6633b65ad5aa7c9a136c3756ccd0f1922e5a68f7ef":"(set-option :produce-models true)
{"auxiliaryInputRequested":{"smtlib2queries":{"0x0a84f77238ff8229baeac139d2ec93e905d39b9dba5859a66eaeb7310243c901":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -42,19 +42,17 @@
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true))))))))))))) (< (- x_9_0 1) 0)))
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true))))))))))))) (< (- expr_18_0 1) 0)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)
(assert (= |EVALEXPR_1| x_9_0))
(declare-const |EVALEXPR_2| Int)
(assert (= |EVALEXPR_2| (- x_9_0 1)))
(assert (= |EVALEXPR_2| (- expr_18_0 1)))
(check-sat)
(get-value (|EVALEXPR_0| |EVALEXPR_1| |EVALEXPR_2| ))
"}},"errors":[{"component":"general","errorCode":"4144","formattedMessage":"Warning: BMC: Underflow (resulting value less than 0) happens here.

128
test/cmdlineTests/standard_model_checker_targets_underflow_overflow_assert_bmc/output.json
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14
test/cmdlineTests/standard_model_checker_targets_underflow_overflow_bmc/output.json
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@ -1,4 +1,4 @@
{"auxiliaryInputRequested":{"smtlib2queries":{"0x7361a6612f525ea38847be6633b65ad5aa7c9a136c3756ccd0f1922e5a68f7ef":"(set-option :produce-models true)
{"auxiliaryInputRequested":{"smtlib2queries":{"0x0a84f77238ff8229baeac139d2ec93e905d39b9dba5859a66eaeb7310243c901":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -42,22 +42,20 @@
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true))))))))))))) (< (- x_9_0 1) 0)))
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true))))))))))))) (< (- expr_18_0 1) 0)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)
(assert (= |EVALEXPR_1| x_9_0))
(declare-const |EVALEXPR_2| Int)
(assert (= |EVALEXPR_2| (- x_9_0 1)))
(assert (= |EVALEXPR_2| (- expr_18_0 1)))
(check-sat)
(get-value (|EVALEXPR_0| |EVALEXPR_1| |EVALEXPR_2| ))
","0xa3996a5d47bc44faaf73323541afb4be072ec0895e8308f2f86b201ef24f1260":"(set-option :produce-models true)
","0xce4156c685d481fe03752262b478cd8877739dba34535f7bfec42a2d30d45445":"(set-option :produce-models true)
(set-logic ALL)
(declare-fun |error_0| () Int)
(declare-fun |this_0| () Int)
@ -101,13 +99,11 @@
(declare-fun |expr_45_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_1| () |uint[]_tuple|)
(declare-fun |arr_5_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_2| () |uint[]_tuple|)
(declare-fun |expr_45_length_pair_3| () |uint[]_tuple|)
(declare-fun |expr_50_length_pair_0| () |uint[]_tuple|)
(declare-fun |expr_51_0| () Int)
(declare-fun |expr_52_1| () Int)
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- x_9_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- x_9_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))) (> (+ expr_21_0 expr_26_1) 115792089237316195423570985008687907853269984665640564039457584007913129639935)))
(assert (and (and (and true true) (and (implies (and true true) (and (>= expr_26_1 0) (<= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_26_1 115792089237316195423570985008687907853269984665640564039457584007913129639935) (and (implies (and true true) (and (>= expr_21_0 0) (<= expr_21_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_21_0 x_9_1) (and (ite (and true true) (= x_9_1 (- expr_18_0 1)) (= x_9_1 x_9_0)) (and (implies (and true true) (and (>= expr_19_1 0) (<= expr_19_1 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_19_1 (- expr_18_0 1)) (and (implies (and true true) (and (>= expr_18_0 0) (<= expr_18_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_18_0 x_9_0) (and (implies (and true true) expr_15_1) (and (= expr_15_1 (>= expr_13_0 expr_14_0)) (and (implies (and true true) true) (and (= expr_14_0 0) (and (implies (and true true) (and (>= expr_13_0 0) (<= expr_13_0 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (= expr_13_0 x_9_0) (and (and (>= x_9_0 0) (<= x_9_0 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (and (>= a_7_0 0) (<= a_7_0 1461501637330902918203684832716283019655932542975)) (and (>= (|uint[]_tuple_accessor_length| arr_5_length_pair_1) 0) (and (and (and (and (and (and (and (and (and (and (and (and (>= (|block.chainid| tx_0) 0) (<= (|block.chainid| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935)) (and (>= (|block.coinbase| tx_0) 0) (<= (|block.coinbase| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|block.difficulty| tx_0) 0) (<= (|block.difficulty| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.gaslimit| tx_0) 0) (<= (|block.gaslimit| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.number| tx_0) 0) (<= (|block.number| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|block.timestamp| tx_0) 0) (<= (|block.timestamp| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|msg.sender| tx_0) 0) (<= (|msg.sender| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|msg.value| tx_0) 0) (<= (|msg.value| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (>= (|tx.origin| tx_0) 0) (<= (|tx.origin| tx_0) 1461501637330902918203684832716283019655932542975))) (and (>= (|tx.gasprice| tx_0) 0) (<= (|tx.gasprice| tx_0) 115792089237316195423570985008687907853269984665640564039457584007913129639935))) (and (and (and (and (and (and (= (|msg.value| tx_0) 0) (= (|msg.sig| tx_0) 1917212865)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 0) 114)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 1) 70)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 2) 88)) (= (select (|bytes_tuple_accessor_array| (|msg.data| tx_0)) 3) 193)) (>= (|bytes_tuple_accessor_length| (|msg.data| tx_0)) 4))) true)))))))))))))))))))) (> (+ expr_21_0 expr_26_1) 115792089237316195423570985008687907853269984665640564039457584007913129639935)))
(declare-const |EVALEXPR_0| Int)
(assert (= |EVALEXPR_0| a_7_0))
(declare-const |EVALEXPR_1| Int)

2
test/libsolidity/smtCheckerTests/array_members/push_storage_ref_unsafe_aliasing.sol
View File

@ -14,5 +14,5 @@ contract C {
}
// ----
// Warning 6368: (221-225): CHC: Out of bounds access happens here.\nCounterexample:\na = []\nb = [32]\n\nTransaction trace:\nC.constructor()\nState: a = []\nC.f()
// Warning 6368: (221-228): CHC: Out of bounds access happens here.\nCounterexample:\na = [[], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15]]\nb = [32]\n\nTransaction trace:\nC.constructor()\nState: a = []\nC.f()
// Warning 6368: (221-228): CHC: Out of bounds access happens here.\nCounterexample:\na = [[], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15]]\nb = [32]\n\nTransaction trace:\nC.constructor()\nState: a = []\nC.f()
// Warning 6328: (214-235): CHC: Assertion violation happens here.\nCounterexample:\n\nb = [32]\n\nTransaction trace:\nC.constructor()\nState: a = []\nC.f()

6
test/libsolidity/smtCheckerTests/loops/for_loop_array_assignment_memory_storage.sol
View File

@ -27,7 +27,5 @@ contract LoopFor2 {
// SMTSolvers: z3
// ----
// Warning 6368: (442-446): CHC: Out of bounds access happens here.
// Warning 1218: (466-470): CHC: Error trying to invoke SMT solver.
// Warning 6368: (466-470): CHC: Out of bounds access might happen here.
// Warning 1218: (459-463): CHC: Error trying to invoke SMT solver.
// Warning 6368: (459-463): CHC: Out of bounds access might happen here.
// Warning 6368: (466-470): CHC: Out of bounds access happens here.
// Warning 6368: (459-463): CHC: Out of bounds access happens here.

4
test/libsolidity/smtCheckerTests/types/struct/struct_array_struct_array_storage_unsafe_1.sol
View File

@ -40,8 +40,10 @@ contract C {
assert(s1.ts[4].a[5] != 6);
}
}
// ====
// SMTIgnoreCex: yes
// ----
// Warning 6328: (181-198): CHC: Assertion violation happens here.\nCounterexample:\ns1 = {x: 2, t: {y: 0, a: []}, a: [], ts: []}\n\nTransaction trace:\nC.constructor()\nState: s1 = {x: 0, t: {y: 0, a: []}, a: [], ts: []}\nC.f()
// Warning 6328: (181-198): CHC: Assertion violation happens here.
// Warning 6328: (216-235): CHC: Assertion violation happens here.
// Warning 6328: (299-319): CHC: Assertion violation happens here.
// Warning 6328: (437-460): CHC: Assertion violation happens here.