solidity/test/cmdlineTests/model_checker_targets_underflow_overflow_chc/err

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Warning: CHC: Underflow (resulting value less than 0) happens here.
Counterexample:
arr = []
a = 0
x = 0
Transaction trace:
test.constructor()
State: arr = []
test.f(0, 0)
--> model_checker_targets_underflow_overflow_chc/input.sol:8:3:
|
8 | --x;
| ^^^
Warning: CHC: Overflow (resulting value larger than 2**256 - 1) happens here.
Counterexample:
arr = []
a = 0
x = 1
Transaction trace:
test.constructor()
State: arr = []
test.f(0, 2)
--> model_checker_targets_underflow_overflow_chc/input.sol:9:3:
|
9 | x + type(uint).max;
| ^^^^^^^^^^^^^^^^^^