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authorAlan Mishchenko <alanmi@berkeley.edu>2017-06-05 12:36:26 +0200
committerAlan Mishchenko <alanmi@berkeley.edu>2017-06-05 12:36:26 +0200
commite140ef7e5a45b23823bdf1189070573439966ac8 (patch)
tree812a9d711e15efd51efe92792030735adaa64936 /src/base
parent943e625e753933ee01fe3e329700752a8e0327ac (diff)
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Bug fix in SMT handling: 'distinct' with more than two inputs.
Diffstat (limited to 'src/base')
-rw-r--r--src/base/wlc/wlcBlast.c25
-rw-r--r--src/base/wlc/wlcReadSmt.c2
2 files changed, 26 insertions, 1 deletions
diff --git a/src/base/wlc/wlcBlast.c b/src/base/wlc/wlcBlast.c
index 794efbc4..b2d0e287 100644
--- a/src/base/wlc/wlcBlast.c
+++ b/src/base/wlc/wlcBlast.c
@@ -1211,6 +1211,31 @@ Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, in
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
}
+ else if ( pObj->Type == WLC_OBJ_COMP_NOTEQU && Wlc_ObjFaninNum(pObj) > 2 )
+ {
+ // find the max range
+ int a, b, iRes = 1, nRangeMax = Abc_MaxInt( nRange0, nRange1 );
+ for ( k = 2; k < Wlc_ObjFaninNum(pObj); k++ )
+ nRangeMax = Abc_MaxInt( nRangeMax, Wlc_ObjRange( Wlc_NtkObj(p, Wlc_ObjFaninId(pObj, k)) ) );
+ // create pairwise distinct
+ for ( a = 0; a < Wlc_ObjFaninNum(pObj); a++ )
+ for ( b = a+1; b < Wlc_ObjFaninNum(pObj); b++ )
+ {
+ int nRange0 = Wlc_ObjRange( Wlc_NtkObj(p, Wlc_ObjFaninId(pObj, a)) );
+ int nRange1 = Wlc_ObjRange( Wlc_NtkObj(p, Wlc_ObjFaninId(pObj, b)) );
+ int * pFans0 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjFaninId(pObj, a)) );
+ int * pFans1 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjFaninId(pObj, b)) );
+ int * pArg0 = Wlc_VecLoadFanins( vTemp0, pFans0, nRange0, nRangeMax, 0 );
+ int * pArg1 = Wlc_VecLoadFanins( vTemp1, pFans1, nRange1, nRangeMax, 0 );
+ int iLit = 0;
+ for ( k = 0; k < nRangeMax; k++ )
+ iLit = Gia_ManHashOr( pNew, iLit, Gia_ManHashXor(pNew, pArg0[k], pArg1[k]) );
+ iRes = Gia_ManHashAnd( pNew, iRes, iLit );
+ }
+ Vec_IntFill( vRes, 1, iRes );
+ for ( k = 1; k < nRange; k++ )
+ Vec_IntPush( vRes, 0 );
+ }
else if ( pObj->Type == WLC_OBJ_COMP_EQU || pObj->Type == WLC_OBJ_COMP_NOTEQU )
{
int iLit = 0, nRangeMax = Abc_MaxInt( nRange0, nRange1 );
diff --git a/src/base/wlc/wlcReadSmt.c b/src/base/wlc/wlcReadSmt.c
index 69a01ab0..230b34ad 100644
--- a/src/base/wlc/wlcReadSmt.c
+++ b/src/base/wlc/wlcReadSmt.c
@@ -331,7 +331,7 @@ static inline int Smt_PrsCreateNode( Wlc_Ntk_t * pNtk, int Type, int fSigned, in
Type == WLC_OBJ_LOGIC_OR || // 29: logic OR
Type == WLC_OBJ_LOGIC_XOR || // 30: logic XOR
Type == WLC_OBJ_COMP_EQU || // 31: compare equal
- Type == WLC_OBJ_COMP_NOTEQU || // 32: compare not equal
+// Type == WLC_OBJ_COMP_NOTEQU || // 32: compare not equal -- bug fix
Type == WLC_OBJ_COMP_LESS || // 33: compare less
Type == WLC_OBJ_COMP_MORE || // 34: compare more
Type == WLC_OBJ_COMP_LESSEQU || // 35: compare less or equal