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			34 lines
		
	
	
		
			751 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			751 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma experimental SMTChecker;
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| 
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| contract C {
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|     function f() public pure {
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|         uint v = 1;
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|         v &= 1;
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|         assert(v == 1);
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| 
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|         v = 7;
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|         v &= 3;
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|         assert(v != 3); // fails, as 7 & 3 = 3
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| 
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|         uint c = 0;
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|         c &= v;
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|         assert(c == 0);
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| 
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|         uint8 x = 0xff;
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|         uint16 y = 0xffff;
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|         y &= x;
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|         assert(y == 0xff);
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|         assert(y == 0xffff); // fails
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| 
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|         y = 0xffff;
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|         x = 0xff;
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|         y &= y | x;
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|         assert(y == 0xffff);
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|         assert(y == 0xff); // fails
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|     }
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| }
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| // ----
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| // Warning 6328: (177-191): CHC: Assertion violation happens here.
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| // Warning 6328: (380-399): CHC: Assertion violation happens here.
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| // Warning 6328: (506-523): CHC: Assertion violation happens here.
 |