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			21 lines
		
	
	
		
			325 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			325 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
pragma experimental SMTChecker;
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contract D
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{
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	function g(uint x) public;
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}
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contract C
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{
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	uint x;
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	function f(uint y, D d) public {
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		require(x == y);
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		assert(x == y);
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		d.g(y);
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		// Storage knowledge is cleared after an external call.
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		assert(x == y);
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	}
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}
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// ----
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// Warning: (240-254): Assertion violation happens here
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