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	Since the default is now to ignore the counterexamples when checking test output, we bring back counterexample checks in tests where the counterexample is (mostly) deterministic.
		
			
				
	
	
		
			21 lines
		
	
	
		
			613 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			613 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract C {
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	function f() public pure {
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		int8 x = 1;
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		int8 y = 0;
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		assert(x & y != 0); // should fail
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		x = -1; y = 3;
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		assert(x & y == 3); // should hold
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		y = -1;
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		int8 z = x & y;
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		assert(z == -1); // should hold
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		y = 127;
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		assert(x & y == 127); // should hold
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	}
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}
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// ====
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// SMTEngine: all
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// SMTIgnoreCex: no
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// ----
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// Warning 6328: (71-89): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 1\ny = 0\nz = 0\n\nTransaction trace:\nC.constructor()\nC.f()
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// Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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