diff --git a/src/ansi-c/library/cprover_contracts.c b/src/ansi-c/library/cprover_contracts.c
index 7aa24f07148..b3f6032b47e 100644
--- a/src/ansi-c/library/cprover_contracts.c
+++ b/src/ansi-c/library/cprover_contracts.c
@@ -1206,8 +1206,9 @@ __CPROVER_HIDE:;
     }
     if(__VERIFIER_nondet___CPROVER_bool())
     {
+      // make pointer invalid, empty value set and nondet bit pattern
       __CPROVER_size_t dummy = __VERIFIER_nondet_size();
-      *elem = (void *) dummy;
+      *elem = (void *)dummy;
       return 0;
     }
     void *ptr = __CPROVER_allocate(size, 0);
@@ -1265,8 +1266,9 @@ __CPROVER_HIDE:;
     }
     if(__VERIFIER_nondet___CPROVER_bool())
     {
+      // make pointer invalid, empty value set and nondet bit pattern
       __CPROVER_size_t dummy = __VERIFIER_nondet_size();
-      *elem = (void *) dummy;
+      *elem = (void *)dummy;
       return 0;
     }
     void *ptr = __CPROVER_allocate(size, 0);
@@ -1370,6 +1372,7 @@ __CPROVER_HIDE:;
   {
     if(__VERIFIER_nondet___CPROVER_bool())
     {
+      // make pointer invalid, empty value set and nondet bit pattern
       __CPROVER_size_t dummy = __VERIFIER_nondet_size();
       *ptr = (void *)dummy;
       return 0;