Why cannot run calculate-coverage.sh successfully? I got a filenotfound error.

[Felicity-Zhao]

When running the bash calculate.sh command, it appears an error. After reading the kafl_cov.py, qemu.py, I still cannot understand the reason. Anyone can help me find the reason? Thanks in advance.

[QEMU-Nyx] Booting VM to start fuzzing...
self.payload_size: 131072
self.payload_filename: 131072
qemu-system-x86_64: terminating on signal 15 from pid 206264 (/home/felicity/sgxfuzz/venv-python3/bin/python3) | 0/82 [00:00<?, ?it/s]
Process Process-1:
Traceback (most recent call last):
File "/usr/lib/python3.10/multiprocessing/process.py", line 314, in _bootstrap
self.run()
File "/usr/lib/python3.10/multiprocessing/process.py", line 108, in run
self._target(*self._args, **self._kwargs)
File "/home/felicity/sgxfuzz/kafl/kAFL-Fuzzer/kafl_cov.py", line 349, in generate_traces_worker
with open(work_dir + "/redqueen_workdir_1337/pt_trace_results.txt", 'rb') as f_in:
FileNotFoundError: [Errno 2] No such file or directory: '/home/felicity/sgxfuzz/SimpleFuzzTest-T0-2023-12-05/sgx_workdir_Process-1/redqueen_workdir_1337/pt_trace_results.txt'
Process-1: 0%|