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Derive with ranges (#9965)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Margus Veanes <margus@microsoft.com>
Co-authored-by: Margus Veanes <veanes@users.noreply.github.com>
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Nikolaj Bjorner 2026-06-26 07:44:13 -07:00 • committed by GitHub
parent e76239ceda
commit 15f33f458d
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27 changed files with 3597 additions and 1541 deletions
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9
src/ast/rewriter/bool_rewriter.h
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@ -20,6 +20,7 @@ Notes:
#include "ast/ast.h"
#include "ast/rewriter/rewriter.h"
#include "ast/rewriter/expr_safe_replace.h"
#include "util/params.h"
/**
@ -64,6 +65,7 @@ class bool_rewriter {
ptr_vector<expr> m_todo1, m_todo2;
unsigned_vector m_counts1, m_counts2;
expr_mark m_marked;
expr_safe_replace m_rep1, m_rep2;
br_status mk_flat_and_core(unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_flat_or_core(unsigned num_args, expr * const * args, expr_ref & result);
@ -87,7 +89,7 @@ class bool_rewriter {
expr_ref simplify_eq_ite(expr* value, expr* ite);
public:
bool_rewriter(ast_manager & m, params_ref const & p = params_ref()):m_manager(m), m_local_ctx_cost(0) {
bool_rewriter(ast_manager & m, params_ref const & p = params_ref()):m_manager(m), m_local_ctx_cost(0), m_rep1(m), m_rep2(m) {
updt_params(p);
}
ast_manager & m() const { return m_manager; }
@ -242,6 +244,11 @@ public:
void mk_nand(expr * arg1, expr * arg2, expr_ref & result);
void mk_nor(expr * arg1, expr * arg2, expr_ref & result);
void mk_ge2(expr* a, expr* b, expr* c, expr_ref& result);
// If r is, or contains, an if-then-else, decompose it into a top-level
// ite by hoisting the (first) inner ite condition: returns c, th, el such
// that r is equivalent to (ite c th el). Returns false if r has no ite.
bool decompose_ite(expr *r, expr_ref &c, expr_ref &th, expr_ref &el);
};
struct bool_rewriter_cfg : public default_rewriter_cfg {