solidity/test/libsolidity/smtCheckerTests/control_flow/short_circuit_and_inside_branch.sol

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2019-03-26 11:03:16 +00:00
pragma experimental SMTChecker;
contract c {
uint x;
function f() internal returns (uint) {
x = x + 1;
return x;
}
function g(bool a) public returns (bool) {
bool b;
if (a) {
x = 0;
b = (f() == 0) && (f() == 0);
assert(x == 1);
assert(!b);
} else {
x = 100;
b = (f() > 0) && (f() > 0);
assert(x == 102);
// Should fail.
assert(!b);
}
return b;
}
}
// ----
// Warning: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning: (362-372): Assertion violation happens here