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-rw-r--r--src/sat/bsat/satProof.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sat/bsat/satProof.c b/src/sat/bsat/satProof.c
index 223c830b..d61dea4f 100644
--- a/src/sat/bsat/satProof.c
+++ b/src/sat/bsat/satProof.c
@@ -155,7 +155,7 @@ Vec_Int_t * Proof_CollectUsedIter( Vec_Set_t * vProof, Vec_Int_t * vRoots, int f
Vec_IntFree( vStack );
// Abc_PrintTime( 1, "Iterative clause collection time", clock() - clk );
clk = clock();
- Abc_Sort( Vec_IntArray(vUsed), Vec_IntSize(vUsed) );
+ Abc_MergeSort( Vec_IntArray(vUsed), Vec_IntSize(vUsed) );
// Abc_PrintTime( 1, "Postprocessing with sorting time", clock() - clk );
// verify topological order
if ( fVerify )