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-rw-r--r--src/proof/pdr/pdrInt.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/proof/pdr/pdrInt.h b/src/proof/pdr/pdrInt.h
index 72393077..8e5f55bd 100644
--- a/src/proof/pdr/pdrInt.h
+++ b/src/proof/pdr/pdrInt.h
@@ -83,6 +83,7 @@ struct Pdr_Man_t_
Pdr_Obl_t * pQueue; // proof obligations
int * pOrder; // ordering of the lits
Vec_Int_t * vActVars; // the counter of activation variables
+ int iUseFrame; // the first used frame
// internal use
Vec_Int_t * vPrio; // priority flops
Vec_Int_t * vLits; // array of literals