execute ctree_with_refseq.nex; begin mrbayes; set nowarn=yes seed=42 swapseed=1337; lset nst=6 rates=invgamma ngammacat=4; prset statefreqpr=fixed(equal) topologypr=uniform brlenspr=unconstrained:exponential(29900); mcmcp nruns=1 nchains=4 ngen=50000000 samplefreq=1000 printfreq=1000 diagnfreq=1000 file=test_output append=no; mcmc; sump burninfrac=0.5; sumt burninfrac=0.5; end;