==== Integer Overflow  ====
Type: Warning
Contract: metaCoin
Function name: sendToken(address,uint256)
PC address: 498
A possible integer overflow exists in the function `sendToken(address,uint256)`.
The addition may result in a value higher than the maximum representable integer.
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In file: <TESTDATA>/inputs/metacoin.sol:12

balances[receiver] += amount

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