contract C { uint[] a; constructor() { a.push(); a.push(); a.push(); a.push(); } function f(bool b) public { a[2] = 3; require(!b); if (b) delete a; else delete a[2]; assert(a[2] == 0); } } // ==== // SMTEngine: all // ---- // Info 1391: CHC: 4 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them. // Warning 6838: (154-155): BMC: Condition is always false.