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			26 lines
		
	
	
		
			522 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			522 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract A {
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| 	uint x;
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| 	function f() internal {
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| 		v();
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| 		assert(x == 0); // should fail
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| 		assert(x == 2); // should hold
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| 	}
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| 	function v() internal virtual {
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| 		x = 0;
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| 	}
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| }
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| 
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| contract C is A {
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| 	function g() public {
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| 		x = 1;
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| 		f();
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| 	}
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| 	function v() internal override {
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| 		x = 2;
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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: (56-70): CHC: Assertion violation happens here.\nCounterexample:\nx = 2\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.g()\n    A.f() -- internal call\n        C.v() -- internal call
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