/*++ Copyright (c) 2022 Microsoft Corporation Module Name: distinct_proof_checker.h Abstract: Plugin for checking distinct internalization Author: Nikolaj Bjorner (nbjorner) 2022-10-07 Note: First version just trusts that distinct is internalized correctly. --*/ #pragma once #include "sat/smt/euf_proof_checker.h" #include namespace distinct { class theory_checker : public euf::theory_checker_plugin { ast_manager& m; public: theory_checker(ast_manager& m): m(m) { } expr_ref_vector clause(app* jst) override { expr_ref_vector result(m); result.append(jst->get_num_args(), jst->get_args()); return result; } bool check(app* jst) override { return true; } void register_plugins(euf::theory_checker& pc) override { pc.register_plugin(symbol("alldiff"), this); } }; }