diff options
| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2018-04-09 15:29:08 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-09 15:29:08 -0500 |
| commit | 51824dbdc2a8c19cbae7c76826732ae2f319111d (patch) | |
| tree | fbb0f6477c58ef92955ec03c02cdbd0c0339b3a0 | |
| parent | e2816e7db1da33b3b4cee613e9bb67b0e1c16037 (diff) | |
Fix sygus substr static symmetry breaking (#1761)
| -rw-r--r-- | src/theory/quantifiers/sygus/term_database_sygus.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/theory/quantifiers/sygus/term_database_sygus.cpp b/src/theory/quantifiers/sygus/term_database_sygus.cpp index 5c073aa0d..c8d7bf04d 100644 --- a/src/theory/quantifiers/sygus/term_database_sygus.cpp +++ b/src/theory/quantifiers/sygus/term_database_sygus.cpp @@ -555,7 +555,8 @@ bool TermDbSygus::considerConst( const Datatype& pdt, TypeNode tnp, Node c, Kind } } }else if( pk==STRING_SUBSTR ){ - if( c==one_c ){ + if (c == one_c && arg == 2) + { rt.d_req_kind = STRING_CHARAT; rt.d_children[0].d_req_type = getArgType( pdt[pc], 0 ); rt.d_children[1].d_req_type = getArgType( pdt[pc], 1 ); |