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			45 lines
		
	
	
		
			923 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			923 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma experimental SMTChecker;
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| 
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| contract C {
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| 	uint[] a;
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| 	uint[][] b;
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| 	function f(uint x, uint y, uint v) public {
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| 		a[x] = v;
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| 		delete a;
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| 		assert(a[y] == 0);
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| 	}
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|  	function g(uint x, uint y, uint v) public {
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| 		b[x][y] = v;
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| 		delete b;
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| 		assert(b[y][x] == 0);
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| 	}
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|  	function h(uint x, uint y, uint v) public {
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| 		b[x][y] = v;
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| 		delete b[x];
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| 		// Not necessarily the case.
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| 		assert(b[y][x] == 0);
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| 	}
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|  	function i(uint x, uint y, uint v) public {
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| 		b[x][y] = v;
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| 		delete b[y];
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| 		assert(b[y][x] == 0);
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| 	}
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|  	function j(uint x, uint y, uint z, uint v) public {
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| 		b[x][y] = v;
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| 		delete b[z];
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| 		// Not necessarily the case.
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| 		assert(b[y][x] == 0);
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| 	}
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| 	function setA(uint x, uint y) public {
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| 		a[x] = y;
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| 	}
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| 	function setB(uint x, uint y, uint z) public {
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| 		b[x][y] = z;
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| 	}
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| }
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| // ====
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| // SMTSolvers: cvc4
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| // ----
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| // Warning 4661: (372-392): Assertion violation happens here
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| // Warning 4661: (617-637): Assertion violation happens here
 |