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horn rule bit blaster: fix propagation of output predicates when arity == 0

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Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
This commit is contained in:
Nuno Lopes 2013-05-15 10:50:46 -07:00
parent 878d57d139
commit e6c8149873
1 changed files with 10 additions and 6 deletions
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14
src/muz_qe/dl_mk_bit_blast.cpp
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@ -141,13 +141,17 @@ namespace datalog {
func_decl_ref_vector const& new_funcs() const { return m_new_funcs; } func_decl_ref_vector const& new_funcs() const { return m_new_funcs; }
br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) { br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
bool found = false; if (num == 0) {
for (unsigned j = 0; !found && j < num; ++j) { if (m_src->is_output_predicate(f))
found = m_util.is_mkbv(args[j]); m_dst->set_output_predicate(f);
}
if (!found) {
return BR_FAILED; return BR_FAILED;
} }
for (unsigned i = 0; i < num; ++i) {
if (!m_util.is_mkbv(args[i]))
return BR_FAILED;
}
// //
// f(mk_bv(args),...) // f(mk_bv(args),...)
// //