Use 500 timesteps

src/one-body-sample.parset

 # -*- mode:conf -*-
-timesteps = 600
+timesteps = 500
 
 verbose = false
 printCoefficient = true
@@ -73,7 +73,7 @@ model = Exponential
 [boundary.friction.state]
 evolve = true
 # log(alpha(0))
-initial = -2.42037 # Dirichlet: -4.72295 (1e-4), -2.42037 (1e-3), -0.117783 (1e-2)
+initial = -2.23805
 model = Dieterich # Ruina
 
 [boundary.friction.ruina]