contract C { function f(uint256 a, uint256 b) internal pure returns (uint256) { return a >> b; } function t() public pure { assert(f(0x4266, 0) == 0x4266); // Fails because the above is true. assert(f(0x4266, 0) == 0x426); assert(f(0x4266, 0x8) == 0x42); // Fails because the above is true. assert(f(0x4266, 0x8) == 0x420); assert(f(0x4266, 0x11) == 0); // Fails because the above is true. assert(f(0x4266, 0x11) == 1); assert(f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 5) == 1809251394333065553493296640760748560207343510400633813116524750123642650624); // Fails because the above is true. assert(f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 5) == 0); } } // ==== // SMTEngine: all // ---- // Warning 6328: (215-244): CHC: Assertion violation happens here. // Warning 6328: (321-352): CHC: Assertion violation happens here. // Warning 6328: (427-455): CHC: Assertion violation happens here. // Warning 6328: (673-769): CHC: Assertion violation happens here.