contract D { uint x; function f() public view returns (uint) { return x; } } contract C { function g() public { D d = new D(); uint y = d.f(); assert(y == 0); // should hold in ext calls trusted mode } } // ==== // SMTEngine: all // SMTExtCalls: trusted // ---- // Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.