==== Source: s1.sol ==== uint constant a = 89; function fre() pure returns (uint) { return a; } ==== Source: s2.sol ==== import {a as b, fre} from "s1.sol"; import "s1.sol" as M; uint256 constant a = 13; contract C { function f() internal pure returns (uint, uint, uint, uint) { return (a, fre(), M.a, b); } function p() public pure { (uint x, uint y, uint z, uint t) = f(); assert(x == 13); // should hold assert(y == 89); // should hold assert(z == 89); // should hold but the SMTChecker does not implement module access assert(t == 89); // should hold } } // ==== // SMTEngine: all // ---- // Warning 7650: (s2.sol:182-185): Assertion checker does not yet support this expression. // Warning 8364: (s2.sol:182-183): Assertion checker does not yet implement type module "s1.sol" // Warning 6328: (s2.sol:334-349): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 13\ny = 89\nz = 90\nt = 89\n\nTransaction trace:\nC.constructor()\nC.p()\n C.f() -- internal call\n s1.sol:fre() -- internal call // Warning 7650: (s2.sol:182-185): Assertion checker does not yet support this expression. // Warning 8364: (s2.sol:182-183): Assertion checker does not yet implement type module "s1.sol" // Warning 7650: (s2.sol:182-185): Assertion checker does not yet support this expression.