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fix #3081 fix #3075

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-25 02:18:01 -08:00
parent e1ece7e968
commit 198622b61a
3 changed files with 9 additions and 7 deletions
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7
src/smt/theory_bv.cpp
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@ -1286,7 +1286,7 @@ namespace smt {
continue;
}
theory_var v2 = next(v);
TRACE("bv_bit_prop", tout << "propagating #" << get_enode(v)->get_owner_id() << "[" << idx << "] = " << val << "\n";);
TRACE("bv_bit_prop", tout << "propagating #" << get_enode(v)->get_owner_id() << "[" << idx << "] = " << val << " " << ctx.get_scope_level() << "\n";);
literal antecedent = bit;
if (val == l_false) {
@ -1298,7 +1298,7 @@ namespace smt {
SASSERT(bit != ~bit2);
lbool val2 = ctx.get_assignment(bit2);
TRACE("bv_bit_prop", tout << "propagating #" << get_enode(v2)->get_owner_id() << "[" << idx << "] = " << val2 << "\n";);
TRACE("bv", tout << bit << " " << bit2 << " " << val << " " << val2 << "\n";);
TRACE("bv", tout << bit << " -> " << bit2 << " " << val << " -> " << val2 << " " << ctx.get_scope_level() << "\n";);
if (val != val2) {
literal consequent = bit2;
@ -1432,7 +1432,6 @@ namespace smt {
void theory_bv::pop_scope_eh(unsigned num_scopes) {
m_trail_stack.pop_scope(num_scopes);
TRACE("bv", m_find.display(tout << num_scopes << " @ " << get_context().get_scope_level() << "\n"););
unsigned num_old_vars = get_old_num_vars(num_scopes);
m_bits.shrink(num_old_vars);
m_wpos.shrink(num_old_vars);
@ -1448,6 +1447,8 @@ namespace smt {
m_diseq_watch_lim.shrink(m_diseq_watch_lim.size()-num_scopes);
#endif
theory::pop_scope_eh(num_scopes);
TRACE("bv", m_find.display(tout << get_context().get_scope_level() << " - "
<< num_scopes << " = " << (get_context().get_scope_level() - num_scopes) << "\n"););
}
final_check_status theory_bv::final_check_eh() {