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fix #4836

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This commit is contained in:
Nikolaj Bjorner 2020-11-29 21:08:28 -08:00
parent 260f759177
commit bb24b3f2be
2 changed files with 6 additions and 2 deletions
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1
src/ast/bv_decl_plugin.h
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@ -409,6 +409,7 @@ public:
return m_manager.mk_app(get_fid(), OP_EXTRACT, 2, params, 1, &n);
}
app * mk_concat(unsigned num, expr * const * args) { return m_manager.mk_app(get_fid(), OP_CONCAT, num, args); }
app * mk_concat(expr_ref_vector const& es) { return m_manager.mk_app(get_fid(), OP_CONCAT, es.size(), es.c_ptr()); }
app * mk_bv_or(unsigned num, expr * const * args) { return m_manager.mk_app(get_fid(), OP_BOR, num, args); }
app * mk_bv_and(unsigned num, expr * const * args) { return m_manager.mk_app(get_fid(), OP_BAND, num, args); }
app * mk_bv_xor(unsigned num, expr * const * args) { return m_manager.mk_app(get_fid(), OP_BXOR, num, args); }

7
src/smt/theory_bv.cpp
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@ -1252,8 +1252,11 @@ namespace smt {
TRACE("bv_bit_prop", tout << "propagating #" << get_enode(v2)->get_owner_id() << "[" << idx << "] = " << val2 << "\n";);
TRACE("bv", tout << bit << " -> " << bit2 << " " << val << " -> " << val2 << " " << ctx.get_scope_level() << "\n";);
SASSERT(bit != ~bit2);
if (bit == ~bit2) {
add_new_diseq_axiom(v, v2, idx);
return;
}
if (val != val2) {
literal consequent = bit2;
if (val == l_false) {