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-rw-r--r--src/aig/fra/fraBmc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/fra/fraBmc.c b/src/aig/fra/fraBmc.c
index cf026fac..9b975b82 100644
--- a/src/aig/fra/fraBmc.c
+++ b/src/aig/fra/fraBmc.c
@@ -241,6 +241,7 @@ Aig_Man_t * Fra_BmcFrames( Fra_Bmc_t * p, int fKeepPos )
// start the fraig package
pAigFrames = Aig_ManStart( Aig_ManObjNumMax(p->pAig) * p->nFramesAll );
pAigFrames->pName = Aig_UtilStrsav( p->pAig->pName );
+ pAigFrames->pSpec = Aig_UtilStrsav( p->pAig->pSpec );
// create PI nodes for the frames
for ( f = 0; f < p->nFramesAll; f++ )
Bmc_ObjSetFrames( Aig_ManConst1(p->pAig), f, Aig_ManConst1(pAigFrames) );