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			16 lines
		
	
	
		
			456 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			456 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
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| 	int public x;
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| 
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| 	function f() public view {
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| 		try this.x() returns (int v) {
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| 			assert(x == v); // should hold
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| 		} catch {
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| 			assert(false); // this fails, because we over-approximate every external call in the way that it can both succeed and 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: (139-152): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.f()
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