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				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	Since the default is now to ignore the counterexamples when checking test output, we bring back counterexample checks in tests where the counterexample is (mostly) deterministic.
		
			
				
	
	
		
			23 lines
		
	
	
		
			797 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			797 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
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| 	function left() public pure {
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| 		uint x = 0x4266;
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| 		assert(x << 0x0 == 0x4266);
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| 		// Fails because the above is true.
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| 		assert(x << 0x0 == 0x4268);
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| 	}
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| 
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| 	function right() public pure {
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| 		uint x = 0x4266;
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| 		assert(x >> 0x0 == 0x4266);
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| 		// Fails because the above is true.
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| 		assert(x >> 0x0 == 0x4268);
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| 	}
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| }
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| // ====
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| // SMTEngine: all
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| // SMTIgnoreCex: no
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| // ----
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| // Warning 6328: (133-159): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 16998\n\nTransaction trace:\nC.constructor()\nC.left()
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| // Warning 6328: (286-312): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 16998\n\nTransaction trace:\nC.constructor()\nC.right()
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| // Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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