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-rw-r--r--src/proof/ssw/sswRarity.c53
1 files changed, 37 insertions, 16 deletions
diff --git a/src/proof/ssw/sswRarity.c b/src/proof/ssw/sswRarity.c
index 01715e7d..b845ec11 100644
--- a/src/proof/ssw/sswRarity.c
+++ b/src/proof/ssw/sswRarity.c
@@ -17,7 +17,7 @@
Revision [$Id: sswRarity.c,v 1.00 2008/09/01 00:00:00 alanmi Exp $]
***********************************************************************/
-
+
#include "sswInt.h"
#include "aig/gia/giaAig.h"
#include "base/main/main.h"
@@ -191,8 +191,6 @@ Abc_Cex_t * Ssw_RarDeriveCex( Ssw_RarMan_t * p, int iFrame, int iPo, int iPatFin
else
{
// printf( "Counter-example verification is successful.\n" );
- if ( fVerbose )
- printf( "Output %d was asserted in frame %d (use \"write_counter\" to dump a witness). \n", pCex->iPo, pCex->iFrame );
}
return pCex;
}
@@ -892,7 +890,7 @@ int Ssw_RarCheckTrivial( Aig_Man_t * pAig, int fVerbose )
SeeAlso []
***********************************************************************/
-int Ssw_RarSimulate( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, int nRounds, int nRandSeed, int TimeOut, int fVerbose )
+int Ssw_RarSimulate( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, int nRounds, int nRestart, int nRandSeed, int TimeOut, int fVerbose )
{
int fTryBmc = 0;
int fMiter = 1;
@@ -900,6 +898,8 @@ int Ssw_RarSimulate( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, in
int r, f = -1;
clock_t clk, clkTotal = clock();
clock_t nTimeToStop = TimeOut ? TimeOut * CLOCKS_PER_SEC + clock(): 0;
+ int nNumRestart = 0;
+ int nSavedSeed = nRandSeed;
int RetValue = -1;
int iFrameFail = -1;
assert( Aig_ManRegNum(pAig) > 0 );
@@ -914,14 +914,14 @@ int Ssw_RarSimulate( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, in
printf( "Rarity simulation with %d words, %d frames, %d rounds, %d seed, and %d sec timeout.\n",
nWords, nFrames, nRounds, nRandSeed, TimeOut );
// reset random numbers
- Ssw_RarManPrepareRandom( nRandSeed );
+ Ssw_RarManPrepareRandom( nSavedSeed );
// create manager
p = Ssw_RarManStart( pAig, nWords, nFrames, nBinSize, fVerbose );
p->vInits = Vec_IntStart( Aig_ManRegNum(pAig) * nWords );
// perform simulation rounds
- for ( r = 0; r < nRounds; r++ )
+ for ( r = 0; !nRounds || (nNumRestart * nRestart + r < nRounds); r++ )
{
clk = clock();
if ( fTryBmc )
@@ -940,9 +940,14 @@ int Ssw_RarSimulate( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, in
{
if ( fVerbose ) printf( "\n" );
// printf( "Simulation asserted a PO in frame f: %d <= f < %d.\n", r * nFrames, (r+1) * nFrames );
- Ssw_RarManPrepareRandom( nRandSeed );
+ Ssw_RarManPrepareRandom( nSavedSeed );
ABC_FREE( pAig->pSeqModel );
+ if ( fVerbose )
+ printf( "Simulated %d frames for %d rounds with %d restarts.\n", nFrames, nNumRestart * nRestart + r, nNumRestart );
pAig->pSeqModel = Ssw_RarDeriveCex( p, r * p->nFrames + f, p->iFailPo, p->iFailPat, fVerbose );
+ // print final report
+ printf( "Output %d was asserted in frame %d (use \"write_counter\" to dump a witness). ", pAig->pSeqModel->iPo, pAig->pSeqModel->iFrame );
+ Abc_PrintTime( 1, "Time", clock() - clkTotal );
RetValue = 0;
goto finish;
}
@@ -950,12 +955,25 @@ int Ssw_RarSimulate( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, in
if ( TimeOut && clock() > nTimeToStop )
{
if ( fVerbose ) printf( "\n" );
- printf( "Reached timeout (%d seconds).\n", TimeOut );
+ printf( "Simulated %d frames for %d rounds with %d restarts. ", nFrames, nNumRestart * nRestart + r, nNumRestart );
+ printf( "Reached timeout (%d sec).\n", TimeOut );
goto finish;
}
}
// get initialization patterns
- Ssw_RarTransferPatterns( p, p->vInits );
+ if ( r == nRestart )
+ {
+ r = -1;
+ nSavedSeed = (nSavedSeed + 1) % 1000;
+ Ssw_RarManPrepareRandom( nSavedSeed );
+ Vec_IntFill( p->vInits, Aig_ManRegNum(pAig) * nWords, 0 );
+ nNumRestart++;
+ Vec_IntClear( p->vPatBests );
+ // clean rarity info
+// memset( p->pRarity, 0, sizeof(int) * (1 << nBinSize) * p->nGroups );
+ }
+ else
+ Ssw_RarTransferPatterns( p, p->vInits );
// printout
if ( fVerbose )
{
@@ -988,12 +1006,12 @@ finish:
SeeAlso []
***********************************************************************/
-int Ssw_RarSimulateGia( Gia_Man_t * p, int nFrames, int nWords, int nBinSize, int nRounds, int nRandSeed, int TimeOut, int fVerbose )
+int Ssw_RarSimulateGia( Gia_Man_t * p, int nFrames, int nWords, int nBinSize, int nRounds, int nRestart, int nRandSeed, int TimeOut, int fVerbose )
{
Aig_Man_t * pAig;
int RetValue;
pAig = Gia_ManToAigSimple( p );
- RetValue = Ssw_RarSimulate( pAig, nFrames, nWords, nBinSize, nRounds, nRandSeed, TimeOut, fVerbose );
+ RetValue = Ssw_RarSimulate( pAig, nFrames, nWords, nBinSize, nRounds, nRestart, nRandSeed, TimeOut, fVerbose );
// save counter-example
Abc_CexFree( p->pCexSeq );
p->pCexSeq = pAig->pSeqModel; pAig->pSeqModel = NULL;
@@ -1012,7 +1030,7 @@ int Ssw_RarSimulateGia( Gia_Man_t * p, int nFrames, int nWords, int nBinSize, in
SeeAlso []
***********************************************************************/
-int Ssw_RarSignalFilter( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, int nRounds, int nRandSeed, int TimeOut, int fMiter, Abc_Cex_t * pCex, int fLatchOnly, int fVerbose )
+int Ssw_RarSignalFilter( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize, int nRounds, int nRestart, int nRandSeed, int TimeOut, int fMiter, Abc_Cex_t * pCex, int fLatchOnly, int fVerbose )
{
Ssw_RarMan_t * p;
int r, f = -1, i, k;
@@ -1063,7 +1081,7 @@ int Ssw_RarSignalFilter( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize
Ssw_ClassesPrint( p->ppClasses, 0 );
}
// refine classes using BMC
- for ( r = 0; r < nRounds; r++ )
+ for ( r = 0; !nRounds || r < nRounds; r++ )
{
// start filtering equivalence classes
if ( Ssw_ClassesCand1Num(p->ppClasses) == 0 && Ssw_ClassesClassNum(p->ppClasses) == 0 )
@@ -1083,6 +1101,9 @@ int Ssw_RarSignalFilter( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize
Ssw_RarManPrepareRandom( nRandSeed );
Abc_CexFree( pAig->pSeqModel );
pAig->pSeqModel = Ssw_RarDeriveCex( p, r * p->nFrames + f, p->iFailPo, p->iFailPat, 1 );
+ // print final report
+ printf( "Output %d was asserted in frame %d (use \"write_counter\" to dump a witness). ", pAig->pSeqModel->iPo, pAig->pSeqModel->iFrame );
+ Abc_PrintTime( 1, "Time", clock() - clkTotal );
RetValue = 0;
goto finish;
}
@@ -1090,7 +1111,7 @@ int Ssw_RarSignalFilter( Aig_Man_t * pAig, int nFrames, int nWords, int nBinSize
if ( TimeOut && clock() > nTimeToStop )
{
if ( fVerbose ) printf( "\n" );
- printf( "Reached timeout (%d seconds).\n", TimeOut );
+ printf( "Reached timeout (%d sec).\n", TimeOut );
goto finish;
}
}
@@ -1132,7 +1153,7 @@ finish:
SeeAlso []
***********************************************************************/
-int Ssw_RarSignalFilterGia( Gia_Man_t * p, int nFrames, int nWords, int nBinSize, int nRounds, int nRandSeed, int TimeOut, int fMiter, Abc_Cex_t * pCex, int fLatchOnly, int fVerbose )
+int Ssw_RarSignalFilterGia( Gia_Man_t * p, int nFrames, int nWords, int nBinSize, int nRounds, int nRestart, int nRandSeed, int TimeOut, int fMiter, Abc_Cex_t * pCex, int fLatchOnly, int fVerbose )
{
Aig_Man_t * pAig;
int RetValue;
@@ -1143,7 +1164,7 @@ int Ssw_RarSignalFilterGia( Gia_Man_t * p, int nFrames, int nWords, int nBinSize
ABC_FREE( p->pReprs );
ABC_FREE( p->pNexts );
}
- RetValue = Ssw_RarSignalFilter( pAig, nFrames, nWords, nBinSize, nRounds, nRandSeed, TimeOut, fMiter, pCex, fLatchOnly, fVerbose );
+ RetValue = Ssw_RarSignalFilter( pAig, nFrames, nWords, nBinSize, nRounds, nRestart, nRandSeed, TimeOut, fMiter, pCex, fLatchOnly, fVerbose );
Gia_ManReprFromAigRepr( pAig, p );
// save counter-example
Abc_CexFree( p->pCexSeq );