solidity/test/libsolidity/smtCheckerTests/array_members/push_as_lhs_2d.sol
2023-03-09 14:59:32 +01:00

27 lines
681 B
Solidity

contract C {
uint[][] c;
function f() public {
require(c.length == 0);
c.push().push() = 2;
assert(c.length == 1);
assert(c[0].length == 1);
assert(c[0][0] == 2);
}
function g() public {
c.push().push() = 2;
assert(c.length > 0);
assert(c[c.length - 1].length == 1);
assert(c[c.length - 1][c[c.length - 1].length - 1] == 2);
// Fails
assert(c[c.length - 1][c[c.length - 1].length - 1] == 200);
}
}
// ====
// SMTEngine: all
// SMTIgnoreCex: yes
// ----
// Warning 6328: (362-420): CHC: Assertion violation happens here.
// Info 1391: CHC: 23 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.