solidity/test/libsolidity/smtCheckerTests/array_members/pop_2d_unsafe.sol

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contract C {
uint[][] a;
function f() public {
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a.push();
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a.push();
a[0].push();
a[1].pop();
}
}
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// ====
// SMTEngine: all
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// ----
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// Warning 2529: (90-100): CHC: Empty array "pop" happens here.
// Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.