Hi,

I am trying to understand a strange behavior I'm encountering: when running my 
application with "-ts_exact_final_time stepover" everything goes well, but when 
I switch to "matchstep" I get DIVERGED_STEP_REJECTED before the first time step 
is finished. I tried increasing the maximum number of rejections and it just 
takes longer to diverge, and if I set the value to "unlimited" it is basically 
an infinite loop.

Is there a way to check why is the step rejected? Could the "matchstep" option 
change tolerances somewhere that would cause that behavior?

Let me know if I should provide more information.

Best,

Sophie Blondel

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