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fixes to mostly solver arith/euf and backtracking scopes

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This commit is contained in:
Nikolaj Bjorner 2020-10-26 11:06:34 -07:00
parent 1ee2ba2a9b
commit 8d76470a8a
25 changed files with 189 additions and 93 deletions
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12
src/sat/sat_solver.cpp
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@ -109,7 +109,13 @@ namespace sat {
void solver::set_extension(extension* ext) {
m_ext = ext;
if (ext) ext->set_solver(this);
if (ext) {
ext->set_solver(this);
for (unsigned i = num_user_scopes(); i-- > 0;)
ext->user_push();
for (unsigned i = num_scopes(); i-- > 0;)
ext->push();
}
}
void solver::copy(solver const & src, bool copy_learned) {
@ -3622,6 +3628,8 @@ namespace sat {
lit = literal(new_v, false);
m_user_scope_literals.push_back(lit);
m_cut_simplifier = nullptr; // for simplicity, wipe it out
if (m_ext)
m_ext->user_push();
TRACE("sat", tout << "user_push: " << lit << "\n";);
}
@ -3704,6 +3712,8 @@ namespace sat {
void solver::user_pop(unsigned num_scopes) {
pop_to_base_level();
TRACE("sat", display(tout););
if (m_ext)
m_ext->user_pop(num_scopes);
while (num_scopes > 0) {
literal lit = m_user_scope_literals.back();
m_user_scope_literals.pop_back();