contract C { function f(uint x) public pure { for (x = 0; x < 10; ++x) break; assert(x == 0); } } // ==== // SMTEngine: all // SMTSolvers: z3 // ---- // Warning 5740: (69-72): Unreachable code. // Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.