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			32 lines
		
	
	
		
			645 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			645 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract A {
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	uint x;
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	function f() internal virtual {
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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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contract B is A {
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	function f() internal virtual override {
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		super.f();
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	}
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}
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contract C is B {
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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: (64-78): CHC: Assertion violation happens here.\nCounterexample:\nx = 2\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.g()\n    B.f() -- internal call\n        A.f() -- internal call\n            C.v() -- internal call
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