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			18 lines
		
	
	
		
			549 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			549 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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| 		uint8 x = 1;
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| 		uint16 y = 0;
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| 		assert(x ^ y != 0);
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| 		x = 0xff;
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| 		y = 0xff00;
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| 		assert(x ^ y == 0xff);
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| 		assert(x ^ y == 0xffff);
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| 		assert(x ^ y == 0x0000);
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| 	}
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| }
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| // ----
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| // Warning 6328: (155-176): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 255\ny = 65280\n\nTransaction trace:\nC.constructor()\nC.f()
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| // Warning 6328: (207-230): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 255\ny = 65280\n\nTransaction trace:\nC.constructor()\nC.f()
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