pragma experimental SMTChecker; contract C { uint x; function f(uint y) public returns (uint) { x = y; return x; } function g(uint y) public { require(y < 1000); uint z = this.f(y); // Fails as false positive because CHC does not support `this`. assert(z < 1000); } } // ---- // Warning 6328: (263-279): Assertion violation happens here