hello,

the tct test run00159224_muonswbeam_collisions in 16.x.0 crashes: 

current algorithm: muidstandalone
algorithm stack: 
   athmasterseq
   athalgseq
   muidstandalone

logfile @: https://atlasrtt.cern.ch/tct/rel_1/dev/build/i686-slc5-gcc43-opt/offline/tier0chaintests/run00159224_muonswbeam_collisions/run00159224_muonswbeam_collisions_log

command to reproduce:
command=/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_1/installarea/share/bin/reco_trf.py outputdesd_sglmufile=sglmu_muonswbeam_0.pool.root outputdraw_zmumufile=zmumu_muonswbeam_0.data outputdesd_sglelfile=sglel_muonswbeam_0.pool.root ami=q200 hist=mymergedmonitoring_muonswbeam_0.root outputmuoncalibntup=muoncalib_muonswbeam_0.root outputdraw_zeefile=zee_muonswbeam_0.data outputpixelcalibntup=trackval_muonswbeam_0.root maxevents=500 outputesdfile=myesd_muonswbeam_0.pool.root outputaodfile=myaod_muonswbeam_0.aod.pool.root outputdesd_mbiasfile=mbias_muonswbeam_0.pool.root outputdesd_metfile=met_muonswbeam_0.pool.root outputdesdm_muonfile=muon_muonswbeam_0.pool.root inputbsfile=0.data,1.data,2.data outputdesdm_egammafile=egamma_muonswbeam_0.pool.root outputntup_trig=trig_muonswbeam_0.root outputdesd_phojetfile=phojet_muonswbeam_0.pool.root outputdesdm_trackfile=track_muonswbeam_0.pool.root outputdesdm_caljetfile=caljet_muonswbeam_0.pool.root outputtagfile_e2a=mytag_muonswbeam_0.root


general bug hunting hints:
https://twiki.cern.ch/twiki/bin/viewauth/atlas/recbuginvestigation