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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 ) ;
}
}
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// ====
// SMTEngine: all
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// ----
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// Warning 6321: (220-227): Unnamed return variable can remain unassigned. Add an explicit return with value to all non-reverting code paths or name the variable.
// Warning 4281: (61-76): CHC: Division by zero happens here.\nCounterexample:\n\nd = 0\nx = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)
// Warning 6328: (80-93): CHC: Assertion violation happens here.\nCounterexample:\n\nd = 0\nx = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)
// Warning 4281: (147-162): CHC: Division by zero happens here.\nCounterexample:\n\nd = 0\nx = 0\n\nTransaction trace:\nC.constructor()\nC.g(0)
// Warning 6328: (166-179): CHC: Assertion violation happens here.\nCounterexample:\n\nd = 0\nx = 0\n\nTransaction trace:\nC.constructor()\nC.g(0)