solidity/test/libsolidity/smtCheckerTests/loops/while_nested_break_fail.sol
2021-07-16 14:43:52 +02:00

34 lines
773 B
Solidity

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);
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (296-311): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 0\ny = 10\nb = false\nc = true\n\nTransaction trace:\nC.constructor()\nC.f(0, 9, false, true)
// Warning 6328: (347-362): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 15\ny = 0\nb = true\nc = false\n\nTransaction trace:\nC.constructor()\nC.f(9, 0, true, false)