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			33 lines
		
	
	
		
			889 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			889 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
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| 	struct S {
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| 		uint x;
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| 		bool b;
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| 	}
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| 
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| 	S public s;
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| 
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| 	constructor() {
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| 		s.x = 1;
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| 		s.b = false;
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| 	}
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| 
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| 	function f() public {
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| 		uint x;
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| 		bool b;
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| 		(x,b) = this.s();
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| 		assert(x == s.x); // this should hold
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| 		assert(b == s.b); // this should hold
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| 		assert(b == true); // this should fail
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| 		s.x = 42;
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| 		(uint y, bool c) = this.s();
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| 		assert(c == b); // this should hold
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| 		assert(y == x); // this should fail
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| 
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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: (255-272): CHC: Assertion violation happens here.\nCounterexample:\ns = {x: 1, b: false}\nx = 1\nb = false\ny = 0\nc = false\n\nTransaction trace:\nC.constructor()\nState: s = {x: 1, b: false}\nC.f()
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| // Warning 6328: (377-391): CHC: Assertion violation happens here.\nCounterexample:\ns = {x: 42, b: false}\nx = 1\nb = false\ny = 42\nc = false\n\nTransaction trace:\nC.constructor()\nState: s = {x: 1, b: false}\nC.f()
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