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fixes in new solver

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-12-25 11:19:31 -08:00
parent 21c626e3ee
commit 372e5ca569
12 changed files with 79 additions and 43 deletions
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10
src/sat/smt/sat_dual_solver.cpp
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@ -33,6 +33,7 @@ namespace sat {
m_roots.push_scope();
m_tracked_vars.push_scope();
m_units.push_scope();
m_vars.push_scope();
}
void dual_solver::pop(unsigned num_scopes) {
@ -40,6 +41,14 @@ namespace sat {
unsigned old_sz = m_tracked_vars.old_size(num_scopes);
for (unsigned i = m_tracked_vars.size(); i-- > old_sz; )
m_is_tracked[m_tracked_vars[i]] = false;
old_sz = m_vars.old_size(num_scopes);
for (unsigned i = m_vars.size(); i-- > old_sz; ) {
unsigned v = m_vars[i];
unsigned w = m_ext2var[v];
m_ext2var[v] = null_bool_var;
m_var2ext[w] = null_bool_var;
}
m_vars.pop_scope(num_scopes);
m_units.pop_scope(num_scopes);
m_roots.pop_scope(num_scopes);
m_tracked_vars.pop_scope(num_scopes);
@ -51,6 +60,7 @@ namespace sat {
w = m_solver.mk_var();
m_ext2var.setx(v, w, null_bool_var);
m_var2ext.setx(w, v, null_bool_var);
m_vars.push_back(v);
}
return w;
}