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authorAlan Mishchenko <alanmi@berkeley.edu>2018-09-08 17:15:37 +0300
committerAlan Mishchenko <alanmi@berkeley.edu>2018-09-08 17:15:37 +0300
commitd798d61637ad632fdb3656194fcb8626e8f6df3d (patch)
tree6c8071ecced7444b56b706c862683a6cbc5b3dd4 /src/sat
parentc76af92d19388d3fa26595d0698cb33d50dc9629 (diff)
downloadabc-d798d61637ad632fdb3656194fcb8626e8f6df3d.tar.gz
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Adding timeout to twoexact and lutexact.
Diffstat (limited to 'src/sat')
-rw-r--r--src/sat/bmc/bmc.h2
-rw-r--r--src/sat/bmc/bmcMaj.c17
2 files changed, 16 insertions, 3 deletions
diff --git a/src/sat/bmc/bmc.h b/src/sat/bmc/bmc.h
index 71a33595..cef93bb1 100644
--- a/src/sat/bmc/bmc.h
+++ b/src/sat/bmc/bmc.h
@@ -58,6 +58,7 @@ struct Bmc_EsPar_t_
int fOrderNodes;
int fEnumSols;
int fFewerVars;
+ int RuntimeLim;
int fVerbose;
char * pTtStr;
};
@@ -76,6 +77,7 @@ static inline void Bmc_EsParSetDefault( Bmc_EsPar_t * pPars )
pPars->fOrderNodes = 0;
pPars->fEnumSols = 0;
pPars->fFewerVars = 0;
+ pPars->RuntimeLim = 0;
pPars->fVerbose = 1;
}
diff --git a/src/sat/bmc/bmcMaj.c b/src/sat/bmc/bmcMaj.c
index 74a3a5a7..08571a3b 100644
--- a/src/sat/bmc/bmcMaj.c
+++ b/src/sat/bmc/bmcMaj.c
@@ -500,6 +500,8 @@ Exa_Man_t * Exa_ManAlloc( Bmc_EsPar_t * pPars, word * pTruth )
p->vInfo = Exa_ManTruthTables( p );
p->pSat = bmcg_sat_solver_start();
bmcg_sat_solver_set_nvars( p->pSat, p->iVar );
+ if ( pPars->RuntimeLim )
+ bmcg_sat_solver_set_runtime_limit( p->pSat, Abc_Clock() + pPars->RuntimeLim * CLOCKS_PER_SEC );
return p;
}
void Exa_ManFree( Exa_Man_t * p )
@@ -828,6 +830,11 @@ void Exa_ManExactSynthesis( Bmc_EsPar_t * pPars )
printf( "The problem has no solution.\n" );
break;
}
+ if ( status == GLUCOSE_UNDEC )
+ {
+ printf( "The problem timed out after %d sec.\n", pPars->RuntimeLim );
+ break;
+ }
iMint = Exa_ManEval( p );
}
if ( iMint == -1 )
@@ -971,6 +978,8 @@ static Exa3_Man_t * Exa3_ManAlloc( Bmc_EsPar_t * pPars, word * pTruth )
p->vUsed3 = Vec_BitStart( (1 << p->pPars->nVars) * p->pPars->nNodes * p->nObjs * p->nObjs * p->nObjs );
p->pSat = bmcg_sat_solver_start();
bmcg_sat_solver_set_nvars( p->pSat, p->iVar );
+ if ( pPars->RuntimeLim )
+ bmcg_sat_solver_set_runtime_limit( p->pSat, Abc_Clock() + pPars->RuntimeLim * CLOCKS_PER_SEC );
return p;
}
static void Exa3_ManFree( Exa3_Man_t * p )
@@ -1323,15 +1332,17 @@ void Exa3_ManExactSynthesis( Bmc_EsPar_t * pPars )
status = bmcg_sat_solver_solve( p->pSat, NULL, 0 );
if ( pPars->fVerbose && (!pPars->fUseIncr || i % 100 == 0) )
Exa3_ManPrint( p, i, iMint, Abc_Clock() - clkTotal );
- if ( status == GLUCOSE_UNSAT )
+ if ( status == GLUCOSE_UNSAT || status == GLUCOSE_UNDEC )
break;
iMint = Exa3_ManEval( p );
}
- if ( pPars->fVerbose )
+ if ( pPars->fVerbose && status != GLUCOSE_UNDEC )
Exa3_ManPrint( p, i, iMint, Abc_Clock() - clkTotal );
if ( iMint == -1 )
Exa3_ManPrintSolution( p, fCompl );
- else
+ else if ( status == GLUCOSE_UNDEC )
+ printf( "The problem timed out after %d sec.\n", pPars->RuntimeLim );
+ else
printf( "The problem has no solution.\n" );
printf( "Added = %d. Tried = %d. ", p->nUsed[1], p->nUsed[0] );
Exa3_ManFree( p );