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work on proof checking

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- add outline of trim routine
- streamline how proof terms are checked and how residue units are extracted.
This commit is contained in:
Nikolaj Bjorner 2022-09-30 13:04:19 -04:00
parent ccda49bad5
commit b9cba82531
10 changed files with 384 additions and 109 deletions
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2
src/ast/ast.h
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@ -731,6 +731,8 @@ public:
unsigned get_num_args() const { return m_num_args; }
expr * get_arg(unsigned idx) const { SASSERT(idx < m_num_args); return m_args[idx]; }
expr * const * get_args() const { return m_args; }
std::tuple<expr*,expr*> args2() const { SASSERT(m_num_args == 2); return {get_arg(0), get_arg(1)}; }
std::tuple<expr*,expr*,expr*> args3() const { SASSERT(m_num_args == 3); return {get_arg(0), get_arg(1), get_arg(2)}; }
unsigned get_size() const { return get_obj_size(get_num_args()); }
expr * const * begin() const { return m_args; }
expr * const * end() const { return m_args + m_num_args; }