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			20 lines
		
	
	
		
			324 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			324 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C
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| {
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| 	uint x;
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| 
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| 	modifier m {
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| 		require(x == 0);
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| 		_;
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| 		x = x + 1;
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| 		assert(x <= 2);
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| 	}
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| 
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| 	function f() m m public {
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| 		x = x + 1;
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| 	}
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| }
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| // ====
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| // SMTEngine: all
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| // ----
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| // Warning 6328: (76-90): CHC: Assertion violation happens here.\nCounterexample:\nx = 3\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.f()
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