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Added decide-callback to user-propagator (#5978)

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* Fixed registering expressions in push/pop

* Reused existing function

* Reverted reusing can_propagate

* Added decide-callback to user-propagator

* Refactoring

* Fixed index
This commit is contained in:
Clemens Eisenhofer 2022-04-15 20:07:17 +02:00 • committed by GitHub
parent 9ecd4f8406
commit e11496bc65
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16 changed files with 284 additions and 87 deletions
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34
src/smt/theory_bv.cpp
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@ -531,7 +531,6 @@ namespace smt {
return true;
}
bool theory_bv::get_fixed_value(theory_var v, numeral & result) const {
result.reset();
unsigned i = 0;
@ -1821,6 +1820,39 @@ namespace smt {
st.update("bv dynamic eqs", m_stats.m_num_eq_dynamic);
}
theory_bv::var_enode_pos theory_bv::get_bv_with_theory(bool_var v, theory_id id) const {
atom* a = get_bv2a(v);
svector<var_enode_pos> vec;
if (!a->is_bit())
return var_enode_pos(nullptr, UINT32_MAX);
bit_atom * b = static_cast<bit_atom*>(a);
var_pos_occ * curr = b->m_occs;
while (curr) {
enode* n = get_enode(curr->m_var);
if (n->get_th_var(id) != null_theory_var)
return var_enode_pos(n, curr->m_idx);
curr = curr->m_next;
}
return var_enode_pos(nullptr, UINT32_MAX);
}
bool_var theory_bv::get_first_unassigned(unsigned start_bit, enode* n) const {
theory_var v = n->get_th_var(get_family_id());
auto& bits = m_bits[v];
unsigned sz = bits.size();
for (unsigned i = start_bit; i < sz; ++i) {
if (ctx.get_assignment(bits[i].var()) != l_undef)
return bits[i].var();
}
for (unsigned i = 0; i < start_bit; ++i) {
if (ctx.get_assignment(bits[i].var()) != l_undef)
return bits[i].var();
}
return null_bool_var;
}
bool theory_bv::check_assignment(theory_var v) {
if (!is_root(v))
return true;