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• proof_checker.cpp

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z3-z3-4.13.0.src.test.proof_checker.cpp Maven / Gradle / Ivy

/*++
Copyright (c) 2015 Microsoft Corporation

--*/

#include "ast/proofs/proof_checker.h"
#include "ast/ast_ll_pp.h"
#include 

void tst_checker1() {
    ast_manager m(PGM_ENABLED);
    expr_ref a(m);
    proof_ref p1(m), p2(m), p3(m), p4(m);
    expr_ref_vector side_conditions(m);

    a = m.mk_const(symbol("a"), m.mk_bool_sort());
    p1 = m.mk_hypothesis(a.get());
    p2 = m.mk_hypothesis(m.mk_not(a.get()));
    ast_ll_pp(std::cout, m, p1.get());
    ast_ll_pp(std::cout, m, p2.get());
    proof* proofs[2] = { p1.get(), p2.get() };
    p3 = m.mk_unit_resolution(2, proofs);
    p4 = m.mk_lemma(p3.get(), a.get());
    ast_ll_pp(std::cout, m, p4.get());
    proof_checker checker(m);
    p4 = m.mk_lemma(p3.get(), m.mk_or(a.get(), m.mk_not(a.get())));
    ast_ll_pp(std::cout, m, p4.get());
    VERIFY(checker.check(p4.get(), side_conditions));
}

void tst_proof_checker() {
    tst_checker1();    
}