mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-22 16:45:31 +00:00
Code Activity

Fix bit-blasting discrepancy. #690

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-07-20 10:53:53 -07:00
parent cf48eb5f72
commit 6559fd817d
1 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/smt/theory_bv.cpp
View file

@ -312,6 +312,7 @@ namespace smt {
SASSERT(v != null_theory_var);
unsigned sz = bits.size();
SASSERT(get_bv_size(n) == sz);
m_bits[v].reset();
for (unsigned i = 0; i < sz; i++) {
expr * bit = bits.get(i);
expr_ref s_bit(m);
@ -809,6 +810,7 @@ namespace smt {
theory_var v = e->get_th_var(get_id());
unsigned num_args = n->get_num_args();
unsigned i = num_args;
m_bits[v].reset();
while (i > 0) {
i--;
theory_var arg = get_arg_var(e, i);
@ -830,6 +832,7 @@ namespace smt {
unsigned end = n->get_decl()->get_parameter(0).get_int();
SASSERT(start <= end);
literal_vector & arg_bits = m_bits[arg];
m_bits[v].reset();
for (unsigned i = start; i <= end; ++i)
add_bit(v, arg_bits[i]);
find_wpos(v);
@ -1533,6 +1536,7 @@ namespace smt {
}
void theory_bv::unmerge_eh(theory_var v1, theory_var v2) {
// v1 was the root of the equivalence class
// I must remove the zero_one_bits that are from v2.