diff options
Diffstat (limited to 'src/theory/quantifiers')
| -rw-r--r-- | src/theory/quantifiers/sygus/term_database_sygus.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/theory/quantifiers/sygus/term_database_sygus.cpp b/src/theory/quantifiers/sygus/term_database_sygus.cpp index ff1b172e9..ac10522a2 100644 --- a/src/theory/quantifiers/sygus/term_database_sygus.cpp +++ b/src/theory/quantifiers/sygus/term_database_sygus.cpp @@ -731,6 +731,11 @@ void TermDbSygus::toStreamSygus(const char* c, Node n) void TermDbSygus::toStreamSygus(std::ostream& out, Node n) { + if (n.isNull()) + { + out << n; + return; + } // use external conversion out << datatypes::utils::sygusToBuiltin(n, true); } |