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diff --git a/src/temp/ivy/ivyResyn.c b/src/temp/ivy/ivyResyn.c
new file mode 100644
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+++ b/src/temp/ivy/ivyResyn.c
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+/**CFile****************************************************************
+
+  FileName    [ivyResyn.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [And-Inverter Graph package.]
+
+  Synopsis    [AIG rewriting script.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - May 11, 2006.]
+
+  Revision    [$Id: ivyResyn.c,v 1.00 2006/05/11 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "ivy.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Performs several passes of rewriting on the AIG.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Ivy_Man_t * Ivy_ManResyn( Ivy_Man_t * pMan, int fUpdateLevel )
+{
+    int clk, fVerbose = 0;
+    Ivy_Man_t * pTemp;
+
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+clk = clock();
+    pMan = Ivy_ManBalance( pMan, fUpdateLevel );
+if ( fVerbose ) { PRT( "Balance", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+
+//    Ivy_ManRewriteAlg( pMan, fUpdateLevel, 0 );
+clk = clock();
+    Ivy_ManRewritePre( pMan, fUpdateLevel, 0, 0 );
+if ( fVerbose ) { PRT( "Rewrite", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+
+clk = clock();
+    pMan = Ivy_ManBalance( pTemp = pMan, fUpdateLevel );
+    Ivy_ManStop( pTemp );
+if ( fVerbose ) { PRT( "Balance", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+
+//    Ivy_ManRewriteAlg( pMan, fUpdateLevel, 1 );
+clk = clock();
+if ( fVerbose ) Ivy_ManRewritePre( pMan, fUpdateLevel, 1, 0 );
+if ( fVerbose ) { PRT( "Rewrite", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+
+clk = clock();
+    pMan = Ivy_ManBalance( pTemp = pMan, fUpdateLevel );
+    Ivy_ManStop( pTemp );
+if ( fVerbose ) { PRT( "Balance", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+
+//    Ivy_ManRewriteAlg( pMan, fUpdateLevel, 1 );
+clk = clock();
+    Ivy_ManRewritePre( pMan, fUpdateLevel, 1, 0 );
+if ( fVerbose ) { PRT( "Rewrite", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+
+clk = clock();
+    pMan = Ivy_ManBalance( pTemp = pMan, fUpdateLevel );
+    Ivy_ManStop( pTemp );
+if ( fVerbose ) { PRT( "Balance", clock() - clk ); }
+if ( fVerbose ) Ivy_ManPrintStats( pMan );
+    return pMan;
+}
+
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+