contract Base1 { uint x; } contract Base2 is Base1 { uint z; } contract C is Base2 { function f(uint y) public { require(x < 10); require(y < 100); z = x + y; assert(z < 150); } } // ==== // SMTEngine: all // ---- // Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.