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The test RestartTest-4 fails with a segmentation fault:

Ippl> CommMPI: Parent process waiting for children ...
Ippl> CommMPI: Child 3 ready.
Ippl> CommMPI: Child 1 ready.
Ippl> CommMPI: Child 2 ready.
Ippl> CommMPI: Initialization complete.
{0}>                ____  _____       ___ 
{0}>               / __ \|  __ \ /\   | | 
{0}>              | |  | | |__) /  \  | |
{0}>              | |  | |  ___/ /\ \ | |
{0}>              | |__| | |  / ____ \| |____
{0}>               \____/|_| /_/    \_\______|
OPAL{0}> 
OPAL{0}> This is OPAL (Object Oriented Parallel Accelerator Library) Version 1.5.1
OPAL{0}> 
OPAL{0}>                 (c) PSI, http://amas.web.psi.ch
OPAL{0}> 
OPAL{0}> Please send cookies, goodies or other motivations (wine and beer ... ) 
OPAL{0}> to the OPAL developers opal@lists.psi.ch
OPAL{0}> 
OPAL{0}> Time: 14:26:21 date: 30/03/2017
OPAL{0}> 
Ippl> CommMPI: Started job 1 on host `opalrunner'.
Ippl> CommMPI: Started job 2 on host `opalrunner'.
Ippl> CommMPI: Started job 3 on host `opalrunner'.
OPAL{0}> Couldn't find startup file "/home/opalci/init.opal".
OPAL{0}> Note: this is not mandatory for an OPAL simulation!
OPAL{0}> 
OPAL{0}> * Reading input stream "RestartTest-4.in".
OPAL{0}[3]> 
OPAL{0}[3]> 8 elements selected.
OPAL{0}[3]> 
OPAL{0}> * ********************************************************************************** 
OPAL{0}> * Selected Tracking Method == PARALLEL-T, NEW TRACK
OPAL{0}> * ********************************************************************************** 
Ippl{0}[3]> BC set for normal Beam
OPAL{0}> Total number of particles in the h5 file= 20000
OPAL{0}> Global step= 28; Local step= 28; restart step= 20
OPAL{0}> time of restart= 1.41199e-10; phishift= 1.32492e-11
Ippl{0}> Appending statistical data to existing data file: RestartTest-4.stat
[opalrunner:105450] *** Process received signal ***
[opalrunner:105450] Signal: Segmentation fault (11)
[opalrunner:105450] Signal code:  (128)
[opalrunner:105450] Failing at address: (nil)
[opalrunner:105450] [ 0] /lib64/libc.so.6[0x3850c326a0]
[opalrunner:105450] [ 1] /lib64/libc.so.6(cfree+0x1c)[0x3850c7b53c]
[opalrunner:105450] [ 2] opal(_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev+0x13f)[0xc78aff]
[opalrunner:105450] [ 3] opal(_ZNK8DataSink15rewindLinesSDDSERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEd+0xee7)[0xc76207]
[opalrunner:105450] [ 4] opal(_ZN8DataSinkC2EP13H5PartWrapperi+0x372)[0xc766b2]
[opalrunner:105450] [ 5] opal(_ZN8TrackRun13setupTTrackerEv+0x64a)[0xfab54a]
[opalrunner:105450] [ 6] opal(_ZN8TrackRun7executeEv+0x74c)[0xfacb9c]
[opalrunner:105450] [ 7] opal(_ZNK10OpalParser7executeEP6ObjectRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x35)[0xc227f5]
[opalrunner:105450] [ 8] opal(_ZNK10OpalParser11parseActionER9Statement+0x143)[0xc26833]
[opalrunner:105450] [ 9] opal(_ZNK10OpalParser5parseER9Statement+0x186)[0xc261a6]
[opalrunner:105450] [10] opal(_ZNK10OpalParser3runEv+0x2c)[0xc2794c]
[opalrunner:105450] [11] opal(_ZN8TrackCmd7executeEv+0x343)[0xcd8fc3]
[opalrunner:105450] [12] opal(_ZNK10OpalParser7executeEP6ObjectRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x35)[0xc227f5]
[opalrunner:105450] [13] opal(_ZNK10OpalParser11parseActionER9Statement+0x143)[0xc26833]
[opalrunner:105450] [14] opal(_ZNK10OpalParser5parseER9Statement+0x186)[0xc261a6]
[opalrunner:105450] [15] opal(_ZNK10OpalParser3runEv+0x2c)[0xc2794c]
[opalrunner:105450] [16] opal(_ZNK10OpalParser3runEP11TokenStream+0x6a)[0xc26e4a]
[opalrunner:105450] [17] opal(main+0x95b)[0xbb682b]
[opalrunner:105450] [18] /lib64/libc.so.6(__libc_start_main+0xfd)[0x3850c1ed5d]
[opalrunner:105450] [19] opal[0xbade7d]
[opalrunner:105450] *** End of error message ***