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https://github.com/Z3Prover/z3
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@ -112,12 +112,11 @@ func_decl_ref bvarray2uf_rewriter_cfg::mk_uf_for_array(expr * e) {
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sort * range = get_value_sort(e);
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bv_f = m_manager.mk_fresh_func_decl("f_t", "", 1, &domain, range);
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TRACE("bvarray2uf_rw", tout << "for " << mk_ismt2_pp(e, m_manager) << " new func_decl is " << mk_ismt2_pp(bv_f, m_manager) << std::endl; );
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if (is_uninterp_const(e)) {
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if (m_fmc)
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m_fmc->add(e, m_array_util.mk_as_array(bv_f));
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if (m_fmc) {
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m_fmc->hide(bv_f);
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if (is_uninterp_const(e))
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m_fmc->add(e, m_array_util.mk_as_array(bv_f));
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}
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else if (m_fmc)
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m_fmc->hide(bv_f);
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m_arrays_fs.insert(e, bv_f);
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m_manager.inc_ref(e);
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m_manager.inc_ref(bv_f);
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@ -181,22 +180,7 @@ br_status bvarray2uf_rewriter_cfg::reduce_app(func_decl * f, unsigned num, expr
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func_decl_ref itefd(m_manager);
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e = m_manager.mk_ite(c, f_ta, f_fa);
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func_decl * bv_f = nullptr;
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if (!m_arrays_fs.find(f_a, bv_f)) {
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sort * domain = get_index_sort(args[1]);
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sort * range = get_value_sort(args[1]);
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bv_f = m_manager.mk_fresh_func_decl("f_t", "", 1, &domain, range);
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TRACE("bvarray2uf_rw", tout << mk_ismt2_pp(e, m_manager) << " -> " << bv_f->get_name() << std::endl; );
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if (is_uninterp_const(e)) {
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if (m_fmc)
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m_fmc->add(e, m_array_util.mk_as_array(bv_f));
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}
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else if (m_fmc)
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m_fmc->hide(bv_f);
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m_arrays_fs.insert(e, bv_f);
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m_manager.inc_ref(e);
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m_manager.inc_ref(bv_f);
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}
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func_decl * bv_f = mk_uf_for_array(e);
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expr_ref q(m_manager), body(m_manager);
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body = m_manager.mk_eq(m_manager.mk_app(bv_f, x), e);
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@ -207,7 +191,7 @@ br_status bvarray2uf_rewriter_cfg::reduce_app(func_decl * f, unsigned num, expr
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TRACE("bvarray2uf_rw", tout << "result: " << mk_ismt2_pp(result, m_manager) << ")" << std::endl;);
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res = BR_DONE;
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}
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else if (f->get_family_id() == m_manager.get_basic_family_id() && is_bv_array(f->get_range())) {
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throw default_exception("not handled by bvarray2uf");
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@ -252,7 +236,7 @@ br_status bvarray2uf_rewriter_cfg::reduce_app(func_decl * f, unsigned num, expr
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" index: " << mk_ismt2_pp(i, m()) << std::endl;);
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if (!is_bv_array(t))
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res = BR_FAILED;
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throw default_exception("not handled by bvarray2uf");
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else {
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// From [1]: Then, we replace terms of the form select(t, i) with f_t(i).
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func_decl_ref f_t(mk_uf_for_array(t), m_manager);
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@ -262,7 +246,7 @@ br_status bvarray2uf_rewriter_cfg::reduce_app(func_decl * f, unsigned num, expr
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}
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else {
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if (!is_bv_array(f->get_range()))
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res = BR_FAILED;
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throw default_exception("not handled by bvarray2uf");
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else {
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if (m_array_util.is_const(f)) {
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SASSERT(num == 1);
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@ -330,7 +314,7 @@ br_status bvarray2uf_rewriter_cfg::reduce_app(func_decl * f, unsigned num, expr
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" index: " << mk_ismt2_pp(i, m()) <<
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" value: " << mk_ismt2_pp(v, m()) << std::endl;);
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if (!is_bv_array(s))
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res = BR_FAILED;
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throw default_exception("not handled by bvarray2uf");
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else {
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expr_ref t(m_manager.mk_app(f, num, args), m_manager);
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// From [1]: For every term t of the form store(s, i, v), we add the universal
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@ -361,7 +345,6 @@ br_status bvarray2uf_rewriter_cfg::reduce_app(func_decl * f, unsigned num, expr
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}
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else {
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throw default_exception("not handled by bvarray2uf");
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// res = BR_FAILED;
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}
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}
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}
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@ -54,6 +54,8 @@ class bvarray2uf_tactic : public tactic {
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tactic_report report("bvarray2uf", *g);
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result.reset();
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fail_if_unsat_core_generation("bvarray2uf", g);
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// bvarray2uf_rewriter does not support proofs (yet).
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fail_if_proof_generation("bvarray2uf", g);
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bool produce_models = g->models_enabled();
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bool produce_proofs = g->proofs_enabled();
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