Supporting 'define-fun' with an expression rather than a constant.

src/base/wlc/wlcReadSmt.c

@@ -981,6 +981,8 @@ Wlc_Ntk_t * Smt_PrsBuild2( Smt_Prs_t * p )
                 assert( !strcmp("Bool", Smt_VecEntryName(p, vFans, 3)) );
                 Range = 1;
                 pValue = Smt_VecEntryName(p, vFans, 4);
+                if ( pValue != NULL )
+                {
                     if ( !strcmp("false", pValue) )
                         pValue = "#b0";
                     else if ( !strcmp("true", pValue) )
@@ -990,6 +992,17 @@ Wlc_Ntk_t * Smt_PrsBuild2( Smt_Prs_t * p )
                 }
                 else
                 {
+                    iObj = Smt_PrsBuild2_rec( pNtk, p, Vec_IntEntry(vFans, 4), -1, pName );
+                    if ( iObj == 0 )
+                    {
+                        Wlc_NtkFree( pNtk ); pNtk = NULL;
+                        goto finish;
+                    }
+                    continue;
+                }
+            }
+            else
+            {
                 // (define-fun s702 () (_ BitVec 4) #xe)
                 // (define-fun s1 () (_ BitVec 8) (bvneg #x7f))
                 // get range