solidity/test/libsolidity/smtCheckerTests/operators/compound_mul_array_index.sol
2021-03-30 10:28:48 +02:00

18 lines
504 B
Solidity

pragma experimental SMTChecker;
contract C
{
uint[] array;
function q() public { array.push(); }
function f(uint x, uint p) public {
require(p < array.length);
require(x < 10);
array[p] = 10;
array[p] *= array[p] + x;
assert(array[p] <= 190);
assert(array[p] < 50);
}
}
// ----
// Warning 6328: (259-280): CHC: Assertion violation happens here.\nCounterexample:\narray = [100]\nx = 0\np = 0\n\nTransaction trace:\nC.constructor()\nState: array = []\nC.q()\nState: array = [0]\nC.f(0, 0)