3 files changed, 2 insertions, 6 deletions
diff --git a/src/tests/aoc-2021-09/src/types.pr.rs b/src/tests/aoc-2021-09/src/types.pr.rs
index 067e89e..8441695 100644
--- a/src/tests/aoc-2021-09/src/types.pr.rs
+++ b/src/tests/aoc-2021-09/src/types.pr.rs
@@ -1,8 +1,4 @@
 /*SPEC*
-property fifo<T> {
-    \c <: (Stack) -> (forall \x -> (forall \j -> ((equal? (pop ((push ((push c) x)) j))) x)))
-}
-
 property unique<T> {
     \c <: (Container) -> ((for-all-elems c) \a -> ((unique-count? a) c))
 }
diff --git a/src/tests/example_stack/src/types.pr.rs b/src/tests/example_stack/src/types.pr.rs
index 525fdee..c45bb34 100644
--- a/src/tests/example_stack/src/types.pr.rs
+++ b/src/tests/example_stack/src/types.pr.rs
@@ -1,6 +1,6 @@
 /*SPEC*
 property lifo<T> {
-    \c <: (Stack) -> (forall \x -> ((equal? (pop ((push c) x))) x))
+    \c <: (Stack) -> (forall \x -> ((equal? (op-pop ((op-push c) x))) x))
 }
 
 type StackCon<S> = {c impl (Container, Stack) | (lifo c)}
diff --git a/src/tests/prime_sieve/src/types.pr.rs b/src/tests/prime_sieve/src/types.pr.rs
index a7f04bf..daa9a82 100644
--- a/src/tests/prime_sieve/src/types.pr.rs
+++ b/src/tests/prime_sieve/src/types.pr.rs
@@ -1,6 +1,6 @@
 /*SPEC*
 property lifo<T> {
-    \c <: (Stack) -> (forall \x -> ((equal? (pop ((push c) x))) x))
+    \c <: (Stack) -> (forall \x -> ((equal? (op-pop ((op-push c) x))) x))
 }
 
 property ascending<T> {