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				https://github.com/ethereum/solidity
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			19 lines
		
	
	
		
			569 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			569 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C
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| {
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| 	function f(uint x) public pure {
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| 		require(x < 100);
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| 		for(uint i = 0; i < 10; ++i) {
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| 			// Overflows due to resetting x.
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| 			x = x + 1;
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| 		}
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| 		assert(x < 14);
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| 	}
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| }
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| // ====
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| // SMTEngine: all
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| // SMTSolvers: z3
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| // ----
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| // Warning 4984: (143-148): CHC: Overflow (resulting value larger than 2**256 - 1) might happen here.
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| // Warning 6328: (156-170): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 14\n\nTransaction trace:\nC.constructor()\nC.f(4)
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| // Warning 2661: (143-148): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.
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