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			17 lines
		
	
	
		
			354 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			354 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
pragma experimental SMTChecker;
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contract C
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{
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	function f(uint8 x) public pure returns (uint) {
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		x = 0;
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		uint8 y = x - 1;
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		assert(y == 255);
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		y = x - 255;
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		assert(y == 1);
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		return y;
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	}
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}
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// ----
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// Warning: (117-122): Underflow (resulting value less than 0) happens here
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// Warning: (150-157): Underflow (resulting value less than 0) happens here
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