Index: src/alter.c
==================================================================
--- src/alter.c
+++ src/alter.c
@@ -602,11 +602,12 @@
     int r2 = sqlite3GetTempReg(pParse);
     int j1;
     sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, r1, BTREE_FILE_FORMAT);
     sqlite3VdbeUsesBtree(v, iDb);
     sqlite3VdbeAddOp2(v, OP_Integer, minFormat, r2);
-    j1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1); VdbeCoverage(v);
+    j1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1);
+    sqlite3VdbeChangeP5(v, SQLITE_NULLEQ); VdbeCoverage(v);
     sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, r2);
     sqlite3VdbeJumpHere(v, j1);
     sqlite3ReleaseTempReg(pParse, r1);
     sqlite3ReleaseTempReg(pParse, r2);
   }

Index: src/delete.c
==================================================================
--- src/delete.c
+++ src/delete.c
@@ -611,11 +611,12 @@
   ** not attempt to delete it or fire any DELETE triggers.  */
   iLabel = sqlite3VdbeMakeLabel(v);
   opSeek = HasRowid(pTab) ? OP_NotExists : OP_NotFound;
   if( !bNoSeek ){
     sqlite3VdbeAddOp4Int(v, opSeek, iDataCur, iLabel, iPk, nPk);
-    VdbeCoverage(v);
+    VdbeCoverageIf(v, opSeek==OP_NotExists);
+    VdbeCoverageIf(v, opSeek==OP_NotFound);
   }
  
   /* If there are any triggers to fire, allocate a range of registers to
   ** use for the old.* references in the triggers.  */
   if( sqlite3FkRequired(pParse, pTab, 0, 0) || pTrigger ){
@@ -654,11 +655,12 @@
     ** the cursor or of already deleted the row that the cursor was
     ** pointing to.
     */
     if( addrStart<sqlite3VdbeCurrentAddr(v) ){
       sqlite3VdbeAddOp4Int(v, opSeek, iDataCur, iLabel, iPk, nPk);
-      VdbeCoverage(v);
+      VdbeCoverageIf(v, opSeek==OP_NotExists);
+      VdbeCoverageIf(v, opSeek==OP_NotFound);
     }
 
     /* Do FK processing. This call checks that any FK constraints that
     ** refer to this table (i.e. constraints attached to other tables) 
     ** are not violated by deleting this row.  */