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https://github.com/ethereum/solidity
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30 lines
567 B
Plaintext
30 lines
567 B
Plaintext
Warning: CHC: Underflow (resulting value less than 0) happens here.
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Counterexample:
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arr = []
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a = 0
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x = 0
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Transaction trace:
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test.constructor()
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State: arr = []
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test.f(0, 0)
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--> model_checker_targets_underflow_overflow_chc/input.sol:7:3:
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7 | --x;
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| ^^^
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Warning: CHC: Overflow (resulting value larger than 2**256 - 1) happens here.
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Counterexample:
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arr = []
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a = 0
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x = 1
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Transaction trace:
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test.constructor()
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State: arr = []
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test.f(0, 2)
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--> model_checker_targets_underflow_overflow_chc/input.sol:8:3:
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8 | x + type(uint).max;
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| ^^^^^^^^^^^^^^^^^^
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