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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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4
src/ast/simplifiers/solve_eqs.cpp
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@ -116,10 +116,10 @@ namespace euf {
for (auto const& eq : m_next[j]) {
auto const& [orig, v, t, d] = eq;
SASSERT(j == var2id(v));
bool is_safe = true;
if (m_fmls.frozen(v))
continue;
bool is_safe = true;
unsigned todo_sz = todo.size();
// determine if substitution is safe.
@ -223,6 +223,8 @@ namespace euf {
void solve_eqs::reduce() {
m_fmls.freeze_suffix();
for (extract_eq* ex : m_extract_plugins)
ex->pre_process(m_fmls);