solidity/test/libsolidity/smtCheckerTests/modifiers/modifier_two_placeholders.sol
2021-01-04 10:03:16 +01:00

27 lines
448 B
Solidity

pragma experimental SMTChecker;
contract C
{
uint x;
modifier m {
require(x > 0);
require(x < 10000);
_;
assert(x > 1);
_;
assert(x > 2);
assert(x > 10);
}
function f() m public {
x = x + 1;
}
function g(uint _x) public {
x = _x;
}
}
// ----
// Warning 6328: (156-170): CHC: Assertion violation happens here.\nCounterexample:\nx = 3\n\n\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.g(1)\nState: x = 1\nC.f()