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			21 lines
		
	
	
		
			552 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			552 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
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| 	function f() public pure {
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| 		bytes memory y = "def";
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| 		y[0] &= "d";
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| 		assert(y[0] == "d");
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| 
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| 		y[0] |= "e";
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| 		assert(y[0] == "d"); // fails
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| 
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| 		y[0] ^= "f";
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| 		// Disabled because of nondeterminism in Spacer in Z3 4.8.9
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| 		//assert(y[0] == (bytes1("d") | bytes1("e")) ^ bytes1("f"));
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| 	}
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| }
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| // ====
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| // SMTEngine: all
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| // SMTIgnoreCex: yes
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| // ----
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| // Warning 6328: (123-142): CHC: Assertion violation happens here.
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| // Info 1391: CHC: 6 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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