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fix bug in new core not detecting conflict, fix #6525, add tactic doc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-01-14 17:20:37 -05:00
parent feda706d0d
commit 4f7f4376b8
14 changed files with 175 additions and 26 deletions
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20
src/ast/simplifiers/dependent_expr_state.cpp
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@ -83,6 +83,23 @@ void dependent_expr_state::freeze_recfun() {
m_num_recfun = sz;
}
/**
* Freeze all functions used in lambda defined declarations
*/
void dependent_expr_state::freeze_lambda() {
auto& m = m_frozen_trail.get_manager();
unsigned sz = m.lambda_defs().size();
if (m_num_lambdas >= sz)
return;
ast_mark visited;
for (auto const& [f, body] : m.lambda_defs())
freeze_terms(body, false, visited);
m_trail.push(value_trail(m_num_lambdas));
m_num_lambdas = sz;
}
/**
* The current qhead is to be updated to qtail.
* Before this update, freeze all functions appearing in formulas.
@ -100,8 +117,9 @@ void dependent_expr_state::freeze_suffix() {
if (m_suffix_frozen)
return;
m_suffix_frozen = true;
auto& m = m_frozen_trail.get_manager();
freeze_recfun();
freeze_lambda();
auto& m = m_frozen_trail.get_manager();
ast_mark visited;
ptr_vector<expr> es;
for (unsigned i = qhead(); i < qtail(); ++i) {