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-rw-r--r--src/base/io/ioWriteDot.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/base/io/ioWriteDot.c b/src/base/io/ioWriteDot.c
index dbf157bf..ed6acb24 100644
--- a/src/base/io/ioWriteDot.c
+++ b/src/base/io/ioWriteDot.c
@@ -412,7 +412,13 @@ void Io_WriteDotNtk( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesSho
// transform logic functions from BDD to SOP
if ( fHasBdds = Abc_NtkIsBddLogic(pNtk) )
- Abc_NtkBddToSop(pNtk, 0);
+ {
+ if ( !Abc_NtkBddToSop(pNtk, 0) )
+ {
+ printf( "Converting to SOPs has failed.\n" );
+ return;
+ }
+ }
// mark the nodes from the set
Vec_PtrForEachEntry( vNodes, pNode, i )