-> [Checker] Execute 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 1, state: 1, 0 interleaves)
-> [Checker] Execute 1: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 2, state: 8, 0 interleaves)
-> [Checker] Dependent Transitions:
-> [Checker] MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=1)
-> [Checker] MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=8)
-> [Checker] Execute 2: MUTEX_WAIT(mutex: 0, owner: 2) (stack depth: 3, state: 9, 0 interleaves)
-> [Checker] INDEPENDENT Transitions:
-> [Checker] MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=8)
-> [Checker] MUTEX_WAIT(mutex: 0, owner: 2) (state=9)
-> [Checker] Execute 2: MUTEX_UNLOCK(mutex: 0, owner: 1) (stack depth: 4, state: 10, 0 interleaves)
+> [Checker] Sleep set actually containing:
+> [Checker] <1,MUTEX_UNLOCK(mutex: 0, owner: -1)>
+> [Checker] Executed 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (stack depth: 3, state: 3, 0 interleaves)