br_status label_rewriter::reduce_app(
func_decl * f, unsigned num, expr * const * args, expr_ref & result,
proof_ref & result_pr) {
if (is_decl_of(f, m_label_fid, OP_LABEL)) {
SASSERT(num == 1);
result = args[0];
return BR_DONE;
}
return BR_FAILED;
}
bool pb_util::is_eq(func_decl *a) const {
return is_decl_of(a, m_fid, OP_PB_EQ);
}
bool pb_util::is_ge(func_decl *a) const {
return is_decl_of(a, m_fid, OP_PB_GE);
}
bool pb_util::is_at_least_k(func_decl *a) const {
return is_decl_of(a, m_fid, OP_AT_LEAST_K);
}
bool pb_util::is_at_most_k(func_decl *a) const {
return is_decl_of(a, m_fid, OP_AT_MOST_K);
}