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				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	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.
		
			
				
	
	
		
			37 lines
		
	
	
		
			780 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			780 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 == 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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| 	function g() public virtual {
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| 		v();
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| 		assert(x == 2); // should fail
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| 	}
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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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| 
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| contract C is B {
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| 	function g() public override {
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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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| // SMTIgnoreCex: no
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| // ----
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| // Warning 6328: (183-197): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.g()\n    A.v() -- internal call
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| // Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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