diff options
Diffstat (limited to 'src/theory/quantifiers/term_database.cpp')
| -rw-r--r-- | src/theory/quantifiers/term_database.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/theory/quantifiers/term_database.cpp b/src/theory/quantifiers/term_database.cpp index 0b606ecf0..3f6f2a6ed 100644 --- a/src/theory/quantifiers/term_database.cpp +++ b/src/theory/quantifiers/term_database.cpp @@ -1031,6 +1031,14 @@ void TermDb::computeAttributes( Node q ) { if( avar.getAttribute(FunDefAttribute()) ){ Trace("quant-attr") << "Attribute : function definition : " << q << std::endl; d_qattr_fundef[q] = true; + Assert( q[1].getKind()==EQUAL || q[1].getKind()==IFF ); + Assert( q[1][0].getKind()==APPLY_UF ); + Node f = q[1][0].getOperator(); + if( d_fun_defs.find( f )!=d_fun_defs.end() ){ + Message() << "Cannot define function " << f << " more than once." << std::endl; + exit( 0 ); + } + d_fun_defs[f] = true; } if( avar.getAttribute(SygusAttribute()) ){ //should be nested existential |