solidity/test/libsolidity/smtCheckerTests/loops/while_nested_break_fail.sol
2019-12-09 15:32:08 +01:00

36 lines
548 B
Solidity

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;
if (x == 10)
x = 15;
}
else {
require(y < 10);
while (y < 10) {
if (c)
++y;
else {
y = 20;
break;
}
}
assert(y >= 15);
x = 15;
break;
}
}
assert(x >= 20);
}
}
// ====
// SMTSolvers: z3
// ----
// Warning: (329-344): Assertion violation happens here
// Warning: (380-395): Assertion violation happens here