solidity/test/libsolidity/smtCheckerTests/blockchain_state/balance_zero_4.sol
2021-08-25 21:10:08 +02:00

22 lines
991 B
Solidity

contract C {
uint x = g();
function g() internal view returns (uint) {
return address(this).balance;
}
constructor() {
assert(x == 0); // should fail because there might be funds from before deployment
assert(x > 0); // should fail
}
function f() public view {
assert(x == 0); // should fail because there might be funds from before deployment
assert(x > 0); // should fail
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (127-141): CHC: Assertion violation happens here.\nCounterexample:\nx = 1\n\nTransaction trace:\nC.constructor()
// Warning 6328: (212-225): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nC.constructor()
// Warning 6328: (275-289): CHC: Assertion violation happens here.\nCounterexample:\nx = 1\n\nTransaction trace:\nC.constructor()\nState: x = 1\nC.f()
// Warning 6328: (360-373): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.f()