task
solver: IVP
method: BackwardEuler

equations
arg: t
parameters: rate
parameter_values: 2.0
y: -rate*y

initial_conditions
t0: 0.0
t_end: 0.05
y0: 1.0

solver_options
step_size: 1e-3
tolerance: 1e-8
max_iterations: 100

continuation
parameter: rate
values: 1.0, 2.0, 3.0
mode: warm
restart_each: false
