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https://github.com/Z3Prover/z3
synced 2025-04-08 10:25:18 +00:00
parent
e8929041b8
commit
63467f9dfa
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@ -76,6 +76,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
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bool m_ignore_patterns_on_ground_qbody = true;
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bool m_rewrite_patterns = true;
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bool m_enable_der = true;
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bool m_nested_der = false;
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ast_manager & m() const { return m_b_rw.m(); }
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@ -92,6 +93,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
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m_ignore_patterns_on_ground_qbody = p.ignore_patterns_on_ground_qbody();
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m_rewrite_patterns = p.rewrite_patterns();
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m_enable_der = p.enable_der();
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m_nested_der = _p.get_bool("nested_der", false);
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}
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void updt_params(params_ref const & p) {
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@ -843,8 +845,11 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
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result = r;
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}
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if (der_change) {
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if (der_change && !m_nested_der) {
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th_rewriter rw(m());
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params_ref p;
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p.set_bool("nested_der", true);
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rw.updt_params(p);
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rw(result, r, p2);
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if (m().proofs_enabled() && result.get() != r.get())
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result_pr = m().mk_transitivity(result_pr, p2);
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