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....C() code. I am looking into fixing this (making it interruptable // detect the infinite loop). My guess is that it only happens in degenerate cases like here. Martin Maechler ETH Zurich -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: nlme-stall_Barrantes.R URL: <https://stat.ethz.ch/pipermail/r-devel/attachments/20180130/9ab3a760/attachment.ksh>

Hello, I was relying on withTimeout (from R.utils) to help me stop nlme when it ?hangs?. However, recently this stopped working. I am pasting a reproducible example below: withTimeout should stop nlme after 10 seconds but the code will generate data for which nlme does not converge (or takes too long) and withTimeout does not stop it. I tried this both on a linux (64 bit, CentOS 7, R 3.4.1,