solidity/test/libsolidity/smtCheckerTests/loops/while_nested_continue_fail.sol

32 lines
764 B
Solidity
Raw Normal View History

pragma experimental SMTChecker;
contract C
{
function f(uint x, uint y, bool b, bool c) public pure {
require(x < 10);
while (x < 10) {
if (b) {
x = 15;
continue;
}
else {
require(y < 10);
while (y < 10) {
if (c) {
y = 20;
continue;
}
y = 15;
break;
}
assert(y >= 20);
x = y;
}
}
assert(x >= 20);
}
}
// ----
2021-01-06 15:06:15 +00:00
// Warning 6328: (323-338): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 0\ny = 15\nb = false\nc = false\n\nTransaction trace:\nC.constructor()\nC.f(0, 0, false, false)
// Warning 6328: (362-377): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 15\ny = 0\nb = true\nc = false\n\nTransaction trace:\nC.constructor()\nC.f(0, 0, true, false)