Cumulative update to BDD-based reachability, speeding up &reachm and other changes.

src/aig/llb/llbInt.h

@@ -172,9 +172,15 @@ extern DdNode *        Llb_ImgComputeImage( Aig_Man_t * pAig, Vec_Ptr_t * vDdMan
                            Vec_Ptr_t * vQuant0, Vec_Ptr_t * vQuant1, Vec_Int_t * vDriRefs, 
                            int TimeTarget, int fBackward, int fReorder, int fVerbose );
 
+extern DdManager *     Llb_NonlinImageStart( Aig_Man_t * pAig, Vec_Ptr_t * vLeaves, Vec_Ptr_t * vRoots, int * pVars2Q, int * pOrder, int fFirst );
+extern DdNode *        Llb_NonlinImageCompute( DdNode * bCurrent, int fReorder, int fDrop, int fVerbose, int * pOrder );
+extern void            Llb_NonlinImageQuit();
+
 /*=== llb3Image.c ======================================================*/
 extern DdNode *        Llb_NonlinImage( Aig_Man_t * pAig, Vec_Ptr_t * vLeaves, Vec_Ptr_t * vRoots, int * pVars2Q, 
                            DdManager * dd, DdNode * bCurrent, int fReorder, int fVerbose, int * pOrder, int Limit, int TimeTarget );
+/*=== llb3Nonlin.c ======================================================*/
+extern DdNode *        Llb_NonlinComputeInitState( Aig_Man_t * pAig, DdManager * dd );
 
 ABC_NAMESPACE_HEADER_END
 

src/base/abci/abc.c

@@ -27937,7 +27937,7 @@ usage:
     Abc_Print( -2, "\t-F num : max number of reachability iterations [default = %d]\n", pPars->nIterMax );
     Abc_Print( -2, "\t-T num : approximate time limit in seconds (0=infinite) [default = %d]\n", pPars->TimeLimit );
     Abc_Print( -2, "\t-L file: the log file name [default = %s]\n", pLogFileName ? pLogFileName : "no logging" );
-    Abc_Print( -2, "\t-r     : enable dynamic BDD variable reordering [default = %s]\n", pPars->fReorder? "yes": "no" );  
+    Abc_Print( -2, "\t-r     : enable additional BDD var reordering before image [default = %s]\n", pPars->fReorder? "yes": "no" );  
     Abc_Print( -2, "\t-b     : perform backward reachability analysis [default = %s]\n", pPars->fBackward? "yes": "no" );  
     Abc_Print( -2, "\t-y     : skip checking property outputs [default = %s]\n", pPars->fSkipOutCheck? "yes": "no" );  
     Abc_Print( -2, "\t-z     : skip reachability (run preparation phase only) [default = %s]\n", pPars->fSkipReach? "yes": "no" );  
@@ -28069,7 +28069,7 @@ usage:
     Abc_Print( -2, "\t-F num : max number of reachability iterations [default = %d]\n", pPars->nIterMax );
     Abc_Print( -2, "\t-T num : approximate time limit in seconds (0=infinite) [default = %d]\n", pPars->TimeLimit );
     Abc_Print( -2, "\t-L file: the log file name [default = %s]\n", pLogFileName ? pLogFileName : "no logging" );
-    Abc_Print( -2, "\t-r     : enable dynamic BDD variable reordering [default = %s]\n", pPars->fReorder? "yes": "no" );  
+    Abc_Print( -2, "\t-r     : enable additional BDD var reordering before image [default = %s]\n", pPars->fReorder? "yes": "no" );  
     Abc_Print( -2, "\t-y     : skip checking property outputs [default = %s]\n", pPars->fSkipOutCheck? "yes": "no" );  
     Abc_Print( -2, "\t-z     : skip reachability (run preparation phase only) [default = %s]\n", pPars->fSkipReach? "yes": "no" );  
     Abc_Print( -2, "\t-v     : prints verbose information [default = %s]\n", pPars->fVerbose? "yes": "no" );