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-rw-r--r--src/proof/pdr/pdrCore.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/proof/pdr/pdrCore.c b/src/proof/pdr/pdrCore.c
index 5b619f4b..c020c56a 100644
--- a/src/proof/pdr/pdrCore.c
+++ b/src/proof/pdr/pdrCore.c
@@ -60,6 +60,7 @@ void Pdr_ManSetDefaultParams( Pdr_Par_t * pPars )
pPars->fTwoRounds = 0; // use two rounds for generalization
pPars->fMonoCnf = 0; // monolythic CNF
pPars->fDumpInv = 0; // dump inductive invariant
+ pPars->fUseSupp = 1; // using support variables in the invariant
pPars->fShortest = 0; // forces bug traces to be shortest
pPars->fUsePropOut = 1; // use property output
pPars->fVerbose = 0; // verbose output