[info] Using config /coreutils/mull.yml
[debug] Diagnostics: Debug Mode enabled. Debug-level messages will be printed.
[warning] Could not find dynamic library: libc.so.6
[info] Warm up run (threads: 1)

       [################################] 1/1. Finished in 106ms
[info] Extracting coverage information (threads: 1)

       [################################] 1/1. Finished in 1ms
[info] Filter mutants (threads: 1)

       [################################] 1/1. Finished in 2ms
[info] Baseline run (threads: 1)

       [################################] 1/1. Finished in 107ms
[info] Running mutants (threads: 3)
[debug] /coreutils/src/cp.c:971:3 ExecutionResult: Passed
[debug] /coreutils/src/cp.c:919:18 ExecutionResult: Failed

       [#####################-----------] 2/3
[debug] /coreutils/src/cp.c:922:11 ExecutionResult: Failed

       [################################] 3/3. Finished in 193ms
[debug] Done running mutants
[info] Survived mutants (1/3):
/coreutils/src/cp.c:971:3: warning: Survived: Removed the call to the function [cxx_remove_void_call]
  free (arg_writable);
  ^
[info] Mutation score: 66%
[info] Total execution time: 418ms
[info] Surviving mutants: 1