solidity/test/libsolidity/smtCheckerTests/math/addmod_mulmod_zero.sol
2020-09-29 12:45:19 +02:00

36 lines
1.2 KiB
Solidity

pragma experimental SMTChecker;
contract C {
function f(uint256 d) public pure {
uint x = addmod(1, 2, d);
assert(x < d);
}
function g(uint256 d) public pure {
uint x = mulmod(1, 2, d);
assert(x < d);
}
function h() public pure returns (uint256) {
uint x = mulmod(0, 1, 2);
uint y = mulmod(1, 0, 2);
assert(x == y);
uint z = addmod(0, 1, 2);
uint t = addmod(1, 0, 2);
assert(z == t);
}
}
// ----
// Warning 1218: (94-109): CHC: Error trying to invoke SMT solver.
// Warning 1218: (113-126): CHC: Error trying to invoke SMT solver.
// Warning 1218: (180-195): CHC: Error trying to invoke SMT solver.
// Warning 1218: (199-212): CHC: Error trying to invoke SMT solver.
// Warning 1218: (275-290): CHC: Error trying to invoke SMT solver.
// Warning 1218: (303-318): CHC: Error trying to invoke SMT solver.
// Warning 1218: (349-364): CHC: Error trying to invoke SMT solver.
// Warning 1218: (377-392): CHC: Error trying to invoke SMT solver.
// Warning 1218: (322-336): CHC: Error trying to invoke SMT solver.
// Warning 1218: (396-410): CHC: Error trying to invoke SMT solver.
// Warning 3046: (94-109): BMC: Division by zero happens here.
// Warning 3046: (180-195): BMC: Division by zero happens here.