> [App ] Configuration change: Set 'actors' to '1'
> [Checker] Start a DFS exploration. Reduction is: dpor.
> [Checker] Sleep set actually containing:
-> [Checker] Execute 1: MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (stack depth: 1, state: 1, 0 interleaves)
+> [Checker] Executed 1: MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (stack depth: 1, state: 1, 0 interleaves)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 1: MUTEX_WAIT(mutex: 0, owner: 1) (stack depth: 2, state: 2, 0 interleaves)
+> [Checker] Executed 1: MUTEX_WAIT(mutex: 0, owner: 1) (stack depth: 2, state: 2, 0 interleaves)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 1: MUTEX_UNLOCK(mutex: 0, owner: -1) (stack depth: 3, state: 3, 0 interleaves)
+> [Checker] Executed 1: MUTEX_UNLOCK(mutex: 0, owner: -1) (stack depth: 3, state: 3, 0 interleaves)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 4, state: 4, 0 interleaves)
+> [Checker] Executed 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 4, state: 4, 0 interleaves)
> [Checker] INDEPENDENT Transitions:
> [Checker] #1 MUTEX_UNLOCK(mutex: 0, owner: -1) (state=3)
> [Checker] #2 MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=4)
> [Checker] #1 MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (state=1)
> [Checker] #2 MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=4)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 2: MUTEX_WAIT(mutex: 0, owner: 2) (stack depth: 5, state: 5, 0 interleaves)
+> [Checker] Executed 2: MUTEX_WAIT(mutex: 0, owner: 2) (stack depth: 5, state: 5, 0 interleaves)
> [Checker] Dependent Transitions:
> [Checker] #1 MUTEX_UNLOCK(mutex: 0, owner: -1) (state=3)
> [Checker] #2 MUTEX_WAIT(mutex: 0, owner: 2) (state=5)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 2: MUTEX_UNLOCK(mutex: 0, owner: -1) (stack depth: 6, state: 6, 0 interleaves)
+> [Checker] Executed 2: MUTEX_UNLOCK(mutex: 0, owner: -1) (stack depth: 6, state: 6, 0 interleaves)
> [Checker] Dependent Transitions:
> [Checker] #1 MUTEX_UNLOCK(mutex: 0, owner: -1) (state=3)
> [Checker] #2 MUTEX_UNLOCK(mutex: 0, owner: -1) (state=6)
> [Checker] Backtracking from 1;1;1;2;2;2
> [Checker] Sleep set actually containing:
> [Checker] <1,MUTEX_UNLOCK(mutex: 0, owner: -1)>
-> [Checker] Execute 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (stack depth: 3, state: 3, 0 interleaves)
+> [Checker] Executed 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (stack depth: 3, state: 3, 0 interleaves)
> [Checker] INDEPENDENT Transitions:
> [Checker] #1 MUTEX_WAIT(mutex: 0, owner: 1) (state=2)
> [Checker] #2 MUTEX_ASYNC_LOCK(mutex: 0, owner: 1) (state=3)
> [Checker] Backtracking from 1;1;2
> [Checker] Sleep set actually containing:
> [Checker] <1,MUTEX_ASYNC_LOCK(mutex: 0, owner: 1)>
-> [Checker] Execute 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 1, state: 1, 0 interleaves)
+> [Checker] Executed 2: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 1, state: 1, 0 interleaves)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 1: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 2, state: 9, 0 interleaves)
+> [Checker] Executed 1: MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (stack depth: 2, state: 9, 0 interleaves)
> [Checker] Dependent Transitions:
> [Checker] #2 MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=1)
> [Checker] #1 MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=9)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 2: MUTEX_WAIT(mutex: 0, owner: 2) (stack depth: 3, state: 10, 0 interleaves)
+> [Checker] Executed 2: MUTEX_WAIT(mutex: 0, owner: 2) (stack depth: 3, state: 10, 0 interleaves)
> [Checker] INDEPENDENT Transitions:
> [Checker] #1 MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=9)
> [Checker] #2 MUTEX_WAIT(mutex: 0, owner: 2) (state=10)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 2: MUTEX_UNLOCK(mutex: 0, owner: 1) (stack depth: 4, state: 11, 0 interleaves)
+> [Checker] Executed 2: MUTEX_UNLOCK(mutex: 0, owner: 1) (stack depth: 4, state: 11, 0 interleaves)
> [Checker] INDEPENDENT Transitions:
> [Checker] #1 MUTEX_ASYNC_LOCK(mutex: 0, owner: 2) (state=9)
> [Checker] #2 MUTEX_UNLOCK(mutex: 0, owner: 1) (state=11)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 1: MUTEX_WAIT(mutex: 0, owner: 1) (stack depth: 5, state: 12, 0 interleaves)
+> [Checker] Executed 1: MUTEX_WAIT(mutex: 0, owner: 1) (stack depth: 5, state: 12, 0 interleaves)
> [Checker] Dependent Transitions:
> [Checker] #2 MUTEX_UNLOCK(mutex: 0, owner: 1) (state=11)
> [Checker] #1 MUTEX_WAIT(mutex: 0, owner: 1) (state=12)
> [Checker] Sleep set actually containing:
-> [Checker] Execute 1: MUTEX_UNLOCK(mutex: 0, owner: -1) (stack depth: 6, state: 13, 0 interleaves)
+> [Checker] Executed 1: MUTEX_UNLOCK(mutex: 0, owner: -1) (stack depth: 6, state: 13, 0 interleaves)
> [Checker] Dependent Transitions:
> [Checker] #2 MUTEX_UNLOCK(mutex: 0, owner: 1) (state=11)
> [Checker] #1 MUTEX_UNLOCK(mutex: 0, owner: -1) (state=13)