mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
61 lines
1.3 KiB
Solidity
61 lines
1.3 KiB
Solidity
pragma experimental SMTChecker;
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contract C {
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uint[] a;
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uint[][] b;
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function p() public { a.push(); }
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function q() public { b.push().push(); }
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function f(uint x, uint v) public {
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require(x < a.length);
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a[x] = v;
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delete a;
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assert(a.length == 0);
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}
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function g(uint x, uint y, uint v) public {
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require(x < b.length);
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require(y < b[x].length);
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b[x][y] = v;
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delete b;
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assert(b.length == 0);
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}
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function h(uint x, uint y, uint v) public {
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require(x < b.length);
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require(y < b[x].length);
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b[x][y] = v;
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delete b[x];
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assert(b[x].length == 0);
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}
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function i(uint x, uint y, uint v) public {
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require(x < b.length);
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require(y < b[x].length);
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b[x][y] = v;
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require(y < b.length);
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delete b[y];
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assert(b[y].length == 0);
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}
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function j(uint x, uint y, uint z, uint v) public {
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require(x < b.length);
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require(y < b[x].length);
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b[x][y] = v;
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require(z < b.length);
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delete b[z];
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// Not necessarily the case.
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require(y < b.length);
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require(x < b[x].length);
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// Disabled because of Spacer nondeterminism.
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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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require(x < a.length);
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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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require(x < b.length);
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require(y < b[x].length);
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b[x][y] = z;
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}
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}
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// ====
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// SMTIgnoreCex: yes
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// ----
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