1 files changed, 0 insertions, 170 deletions
diff --git a/src/aig/saig/saigUnique.c b/src/aig/saig/saigUnique.c
deleted file mode 100644
index 8b4d80e7..00000000
--- a/src/aig/saig/saigUnique.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/**CFile****************************************************************
-
-  FileName    [saigUnique.c]
-
-  SystemName  [ABC: Logic synthesis and verification system.]
-
-  PackageName [Sequential AIG package.]
-
-  Synopsis    [Containment checking with unique state constraints.]
-
-  Author      [Alan Mishchenko]
-  
-  Affiliation [UC Berkeley]
-
-  Date        [Ver. 1.0. Started - June 20, 2005.]
-
-  Revision    [$Id: saigUnique.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
-
-***********************************************************************/
-
-#include "saig.h"
-#include "cnf.h"
-#include "satSolver.h"
-
-////////////////////////////////////////////////////////////////////////
-///                        DECLARATIONS                              ///
-////////////////////////////////////////////////////////////////////////
-
-////////////////////////////////////////////////////////////////////////
-///                     FUNCTION DEFINITIONS                         ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
-  Synopsis    [Create timeframes of the manager for interpolation.]
-
-  Description [The resulting manager is combinational. The primary inputs
-  corresponding to register outputs are ordered first.]
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Aig_Man_t * Saig_ManFramesLatches( Aig_Man_t * pAig, int nFrames, Vec_Ptr_t ** pvMapReg )
-{
-    Aig_Man_t * pFrames;
-    Aig_Obj_t * pObj, * pObjLi, * pObjLo;
-    int i, f;
-    assert( Saig_ManRegNum(pAig) > 0 );
-    pFrames = Aig_ManStart( Aig_ManNodeNum(pAig) * nFrames );
-    // map the constant node
-    Aig_ManConst1(pAig)->pData = Aig_ManConst1( pFrames );
-    // create variables for register outputs
-    *pvMapReg = Vec_PtrAlloc( (nFrames+1) * Saig_ManRegNum(pAig) );
-    Saig_ManForEachLo( pAig, pObj, i )
-    {
-        pObj->pData = Aig_ObjCreatePi( pFrames );
-        Vec_PtrPush( *pvMapReg, pObj->pData );
-    }
-    // add timeframes
-    for ( f = 0; f < nFrames; f++ )
-    {
-        // create PI nodes for this frame
-        Saig_ManForEachPi( pAig, pObj, i )
-            pObj->pData = Aig_ObjCreatePi( pFrames );
-        // add internal nodes of this frame
-        Aig_ManForEachNode( pAig, pObj, i )
-            pObj->pData = Aig_And( pFrames, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
-        // save register inputs
-        Saig_ManForEachLi( pAig, pObj, i )
-            pObj->pData = Aig_ObjChild0Copy(pObj);
-        // transfer to register outputs
-        Saig_ManForEachLiLo(  pAig, pObjLi, pObjLo, i )
-        {
-            pObjLo->pData = pObjLi->pData;
-            Vec_PtrPush( *pvMapReg, pObjLo->pData );
-        }
-    }
-    return pFrames;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Duplicates AIG while mapping PIs into the given array.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Saig_ManAppendCone( Aig_Man_t * pOld, Aig_Man_t * pNew, Aig_Obj_t ** ppNewPis, int fCompl )
-{
-    Aig_Obj_t * pObj;
-    int i;
-    assert( Aig_ManPoNum(pOld) == 1 );
-    // create the PIs
-    Aig_ManCleanData( pOld );
-    Aig_ManConst1(pOld)->pData = Aig_ManConst1(pNew);
-    Aig_ManForEachPi( pOld, pObj, i )
-        pObj->pData = ppNewPis[i];
-    // duplicate internal nodes
-    Aig_ManForEachNode( pOld, pObj, i )
-        pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
-    // add one PO to new
-    pObj = Aig_ManPo( pOld, 0 );
-    Aig_ObjCreatePo( pNew, Aig_NotCond( Aig_ObjChild0Copy(pObj), fCompl ) );
-}
-
-/**Function*************************************************************
-
-  Synopsis    []
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-int Saig_ManUniqueState( Aig_Man_t * pTrans, Vec_Ptr_t * vInters )
-{
-    Aig_Man_t * pFrames, * pInterNext, * pInterThis;
-    Aig_Obj_t ** ppNodes;
-    Vec_Ptr_t * vMapRegs;
-    Cnf_Dat_t * pCnf;
-    sat_solver * pSat;
-    int f, nRegs, status;
-    nRegs = Saig_ManRegNum(pTrans);
-    assert( nRegs > 0 );
-    assert( Vec_PtrSize(vInters) > 1 );
-    // generate the timeframes
-    pFrames = Saig_ManFramesLatches( pTrans, Vec_PtrSize(vInters)-1, &vMapRegs );
-    assert( Vec_PtrSize(vMapRegs) == Vec_PtrSize(vInters) * nRegs );
-    // add main constraints to the timeframes
-    ppNodes = (Aig_Obj_t **)Vec_PtrArray(vMapRegs);
-    Vec_PtrForEachEntryStop( vInters, pInterThis, f, Vec_PtrSize(vInters)-1 )
-    {
-        assert( nRegs == Aig_ManPiNum(pInterThis) );
-        pInterNext = Vec_PtrEntry( vInters, f+1 );
-        Saig_ManAppendCone( pInterNext, pFrames, ppNodes + f * nRegs, 0 );
-        Saig_ManAppendCone( pInterThis, pFrames, ppNodes + f * nRegs, 1 );
-    }
-    Saig_ManAppendCone( Vec_PtrEntryLast(vInters), pFrames, ppNodes + f * nRegs, 1 );
-    Aig_ManCleanup( pFrames );
-    Vec_PtrFree( vMapRegs );
-
-    // convert to CNF
-    pCnf = Cnf_Derive( pFrames, 0 ); 
-    pSat = Cnf_DataWriteIntoSolver( pCnf, 1, 0 );
-    Cnf_DataFree( pCnf );
-    Aig_ManStop( pFrames );
-
-    if ( pSat == NULL )
-        return 1;
-
-     // solve the problem
-    status = sat_solver_solve( pSat, NULL, NULL, (sint64)0, (sint64)0, (sint64)0, (sint64)0 );
-    sat_solver_delete( pSat );
-    return status == l_False;
-}
-
-
-////////////////////////////////////////////////////////////////////////
-///                       END OF FILE                                ///
-////////////////////////////////////////////////////////////////////////
-
-