From 07d3351c31c6f76f77c6881cd2fd7294eca091c1 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sun, 7 Jul 2013 22:37:29 -0700
Subject: Adding timeout to AIG rewriting inside 'int'.

---
 src/opt/dar/darScript.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'src/opt/dar/darScript.c')

diff --git a/src/opt/dar/darScript.c b/src/opt/dar/darScript.c
index f1a30a82..f8fa3788 100644
--- a/src/opt/dar/darScript.c
+++ b/src/opt/dar/darScript.c
@@ -72,6 +72,7 @@ Aig_Man_t * Dar_ManRwsat( Aig_Man_t * pAig, int fBalance, int fVerbose )
 //alias rwsat       "st; rw -l; b -l; rw -l; rf -l"
 {
     Aig_Man_t * pTemp;
+    abctime Time = pAig->Time2Quit;
 
     Dar_RwrPar_t ParsRwr, * pParsRwr = &ParsRwr;
     Dar_RefPar_t ParsRef, * pParsRef = &ParsRef;
@@ -92,41 +93,56 @@ Aig_Man_t * Dar_ManRwsat( Aig_Man_t * pAig, int fBalance, int fVerbose )
     // balance
     if ( fBalance )
     {
+    pAig->Time2Quit = Time;
     pAig = Dar_ManBalance( pTemp = pAig, 0 );
     Aig_ManStop( pTemp );
     if ( fVerbose ) printf( "Balance:   " ), Aig_ManPrintStats( pAig );
+    if ( Time && Abc_Clock() > Time )
+        { if ( pAig ) Aig_ManStop( pAig ); return NULL; }
     }
    
 //Aig_ManDumpBlif( pAig, "inter.blif", NULL, NULL );
 //printf( "3" );
     // rewrite
+    pAig->Time2Quit = Time;
     Dar_ManRewrite( pAig, pParsRwr );
     pAig = Aig_ManDupDfs( pTemp = pAig ); 
     Aig_ManStop( pTemp );
     if ( fVerbose ) printf( "Rewrite:   " ), Aig_ManPrintStats( pAig );
+    if ( Time && Abc_Clock() > Time )
+        { if ( pAig ) Aig_ManStop( pAig ); return NULL; }
 
 //printf( "4" );
     // refactor
+    pAig->Time2Quit = Time;
     Dar_ManRefactor( pAig, pParsRef );
     pAig = Aig_ManDupDfs( pTemp = pAig ); 
     Aig_ManStop( pTemp );
     if ( fVerbose ) printf( "Refactor:  " ), Aig_ManPrintStats( pAig );
+    if ( Time && Abc_Clock() > Time )
+        { if ( pAig ) Aig_ManStop( pAig ); return NULL; }
 
 //printf( "5" );
     // balance
     if ( fBalance )
     {
+    pAig->Time2Quit = Time;
     pAig = Dar_ManBalance( pTemp = pAig, 0 );
     Aig_ManStop( pTemp );
     if ( fVerbose ) printf( "Balance:   " ), Aig_ManPrintStats( pAig );
+    if ( Time && Abc_Clock() > Time )
+        { if ( pAig ) Aig_ManStop( pAig ); return NULL; }
     }
-    
+
 //printf( "6" );
     // rewrite
+    pAig->Time2Quit = Time;
     Dar_ManRewrite( pAig, pParsRwr );
     pAig = Aig_ManDupDfs( pTemp = pAig ); 
     Aig_ManStop( pTemp );
     if ( fVerbose ) printf( "Rewrite:   " ), Aig_ManPrintStats( pAig );
+    if ( Time && Abc_Clock() > Time )
+        { if ( pAig ) Aig_ManStop( pAig ); return NULL; }
 
 //printf( "7" );
     return pAig;
-- 
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