Stuck at finding different segments

Running

> $ ./resync -o lowres.wav -m highres.wav -s blub.srt

I get the following output. But it won't go past this state and never finishes resynchronizing.

> [11-30 18:22:40][Debug] Extracting audio fingerprints from: lowres.wav
> [11-30 18:22:40][Debug] Begin reading WAV file
> [11-30 18:22:40][Debug] Opening mode chosen: readFile, proceeding
> [11-30 18:22:40][Debug] Trying to read from file : lowres.wav
> [11-30 18:22:40][Debug] Reading file data
> [11-30 18:22:44][Debug] File data read and stored in buffer
> [11-30 18:22:44][Debug] Processing data and extracting samples
> [11-30 18:22:44][Debug] Checking chunkID, should be RIFF
> [11-30 18:22:44][Debug] Wave File chunkID verification successful
> [11-30 18:22:44][Debug] Begin decoding wave file
> [11-30 18:22:44][Debug] File format is identified as WAV
> [11-30 18:22:44][Debug] Finding FMT and DATA subchunks
> [11-30 18:22:44][Debug] FMT index : 12 , DATA index : 70
> [11-30 18:22:44][Debug] PCM : True
> [11-30 18:22:44][Debug] MONO : True
> [11-30 18:22:44][Debug] Sample Rate 16KHz : True
> [11-30 18:22:44][Debug] BitRate 16 bits/sec : True
> [11-30 18:22:44][Debug] Number of samples : 65917611
> [11-30 18:22:44][Debug] Reading samples
> [11-30 18:22:46][Debug] Successfully decoded
> [11-30 18:22:46][Debug] File decoded successfully
> [11-30 18:22:53][Debug] The audio is 4119.85 seconds in length.
> [11-30 18:22:53][Debug] Audio fingerprints successfully generated.
>
> [11-30 18:22:53][Debug] Extracting audio fingerprints from: highres.wav
> [11-30 18:22:53][Debug] Begin reading WAV file
> [11-30 18:22:53][Debug] Opening mode chosen: readFile, proceeding
> [11-30 18:22:53][Debug] Trying to read from file : highres.wav
> [11-30 18:22:53][Debug] Reading file data
> [11-30 18:22:57][Debug] File data read and stored in buffer
> [11-30 18:22:57][Debug] Processing data and extracting samples
> [11-30 18:22:57][Debug] Checking chunkID, should be RIFF
> [11-30 18:22:57][Debug] Wave File chunkID verification successful
> [11-30 18:22:57][Debug] Begin decoding wave file
> [11-30 18:22:57][Debug] File format is identified as WAV
> [11-30 18:22:57][Debug] Finding FMT and DATA subchunks
> [11-30 18:22:57][Debug] FMT index : 12 , DATA index : 70
> [11-30 18:22:57][Debug] PCM : True
> [11-30 18:22:57][Debug] MONO : True
> [11-30 18:22:57][Debug] Sample Rate 16KHz : True
> [11-30 18:22:57][Debug] BitRate 16 bits/sec : True
> [11-30 18:22:57][Debug] Number of samples : 66148352
> [11-30 18:22:57][Debug] Reading samples
> [11-30 18:22:59][Debug] Successfully decoded
> [11-30 18:22:59][Debug] File decoded successfully
> [11-30 18:23:06][Debug] The audio is 4134.27 seconds in length.
> [11-30 18:23:06][Debug] Audio fingerprints successfully generated.
>
> [11-30 18:23:06][Debug]
> Finding the different segments...

Any idea whats wrong? The audio files were created as stated in the docs.