solidity/test/libsolidity/smtCheckerTests/loops/for_1_fail.sol
2021-04-08 21:03:39 +02:00

19 lines
569 B
Solidity

contract C
{
function f(uint x) public pure {
require(x < 100);
for(uint i = 0; i < 10; ++i) {
// Overflows due to resetting x.
x = x + 1;
}
assert(x < 14);
}
}
// ====
// SMTEngine: all
// SMTSolvers: z3
// ----
// Warning 4984: (143-148): CHC: Overflow (resulting value larger than 2**256 - 1) might happen here.
// Warning 6328: (156-170): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 14\n\nTransaction trace:\nC.constructor()\nC.f(4)
// Warning 2661: (143-148): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.