[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 107ms
[info] Extracting coverage information (threads: 1)

       [################################] 1/1. Finished in 0ms
[info] Filter mutants (threads: 1)

       [################################] 1/1. Finished in 0ms
[info] Baseline run (threads: 1)

       [################################] 1/1. Finished in 106ms
[info] Running mutants (threads: 16)
[debug] /coreutils/src/csplit.c:890:31 ExecutionResult: Failed

       [##------------------------------] 1/16
[debug] /coreutils/src/csplit.c:890:5 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:901:7 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:892:31 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:892:5 ExecutionResult: Failed

       [##########----------------------] 5/16
[debug] /coreutils/src/csplit.c:921:7 ExecutionResult: Passed
[debug] /coreutils/src/csplit.c:965:34 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:920:21 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:971:25 ExecutionResult: Passed

       [##################--------------] 9/16
[debug] /coreutils/src/csplit.c:919:19 ExecutionResult: Passed
[debug] /coreutils/src/csplit.c:916:7 ExecutionResult: Passed

       [######################----------] 11/16
[debug] /coreutils/src/csplit.c:918:33 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:920:30 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:929:17 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:907:14 ExecutionResult: Failed
[debug] /coreutils/src/csplit.c:918:16 ExecutionResult: Failed

       [################################] 16/16. Finished in 203ms
[debug] Done running mutants
[info] Survived mutants (4/16):
/coreutils/src/csplit.c:916:7: warning: Survived: Replaced call to a function with 42 [cxx_replace_scalar_call]
      sigprocmask (SIG_BLOCK, &caught_signals, &oldset);
      ^
/coreutils/src/csplit.c:919:19: warning: Survived: Replaced 'a = b' with 'a = 42' [cxx_assign_const]
      fopen_errno = errno;
                  ^
/coreutils/src/csplit.c:921:7: warning: Survived: Replaced call to a function with 42 [cxx_replace_scalar_call]
      sigprocmask (SIG_SETMASK, &oldset, nullptr);
      ^
/coreutils/src/csplit.c:971:25: warning: Survived: Replaced == with != [cxx_eq_to_ne]
      if (bytes_written == 0 && elide_empty_files)
                        ^
[info] Mutation score: 75%
[info] Total execution time: 419ms
[info] Surviving mutants: 4