Undoing previous change in 'resim' (do not initialize flops using their values…

Undoing previous change in 'resim' (do not initialize flops using their values in the CEX because the number of flops in the CEX can be different).

src/aig/cec/cecSeq.c

@@ -49,20 +49,30 @@ void Cec_ManSeqDeriveInfoFromCex( Vec_Ptr_t * vInfo, Gia_Man_t * pAig, Abc_Cex_t
     assert( pCex->nBits == pCex->nRegs + pCex->nPis * (pCex->iFrame + 1) );
     assert( pCex->nBits - pCex->nRegs + Gia_ManRegNum(pAig) <= Vec_PtrSize(vInfo) );
     nWords = Vec_PtrReadWordsSimInfo( vInfo );
+/*
+    // user register values
+    assert( pCex->nRegs == Gia_ManRegNum(pAig) );
     for ( k = 0; k < pCex->nRegs; k++ )
     {
         pInfo = (unsigned *)Vec_PtrEntry( vInfo, k );
         for ( w = 0; w < nWords; w++ )
             pInfo[w] = Gia_InfoHasBit( pCex->pData, k )? ~0 : 0;
     }
-/*
+*/
+    // print warning about register values
+    for ( k = 0; k < pCex->nRegs; k++ )
+        if ( Gia_InfoHasBit( pCex->pData, k ) )
+            break;
+    if ( k < pCex->nRegs )
+        Abc_Print( 0, "The CEX has flop values different from 0, but they are currently not used by \"resim\".\n" );
+
+    // assign zero register values
     for ( k = 0; k < Gia_ManRegNum(pAig); k++ )
     {
         pInfo = (unsigned *)Vec_PtrEntry( vInfo, k );
         for ( w = 0; w < nWords; w++ )
             pInfo[w] = 0;
     }
-*/
     for ( i = pCex->nRegs; i < pCex->nBits; i++ )
     {
         pInfo = (unsigned *)Vec_PtrEntry( vInfo, k++ );