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			21 lines
		
	
	
		
			392 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			392 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma experimental SMTChecker;
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| 
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| abstract contract D
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| {
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| 	function g(uint x) public virtual;
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| }
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| 
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| contract C
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| {
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| 	mapping (uint => uint) map;
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| 	function f(uint y, D d) public {
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| 		require(map[0] == map[1]);
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| 		assert(map[0] == map[1]);
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| 		d.g(y);
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| 		// Storage knowledge is cleared after an external call.
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| 		assert(map[0] == map[1]);
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| 	}
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| }
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| // ----
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| // Warning: (297-321): Assertion violation happens here
 |