Noticed that implicantIntersection was not called regularly.

6 jobs for prefbones in 2 minutes and 49 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
passed #23580
jars-j8

00:00:37

failed #23579
java8

00:02:12

 
  Test
skipped #23581
allowed to fail
java7
skipped #23583
allowed to fail
maven36-java11
skipped #23584
allowed to fail
maven36-java13
skipped #23582
allowed to fail
maven36-java8
 
Name Stage Failure
failed
java8 Build
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:356)
112859 [ERROR]
112859 [ERROR] Re-run Maven using the -X switch to enable full debug logging.
112859 [ERROR]
112859 [ERROR] For more information about the errors and possible solutions, please read the following articles:
112859 [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
ERROR: Job failed: exit code 1