Debugging

Every (mortal) modeler writes models that contain mistakes or are susceptible to numerical errors in their hunt for the perfect model. Debugging such errors is part of the modeling process, and ModelingToolkit includes some functionality that helps with this.

For example, consider an ODE model with "dangerous" functions (here ):

using ModelingToolkit, OrdinaryDiffEq
using ModelingToolkit: t_nounits as t, D_nounits as D

@variables u1(t) u2(t) u3(t)
eqs = [D(u1) ~ -√(u1), D(u2) ~ -√(u2), D(u3) ~ -√(u3)]
defaults = [u1 => 1.0, u2 => 2.0, u3 => 3.0]
@named sys = ODESystem(eqs, t; defaults)
sys = structural_simplify(sys)

\[ \begin{align} \frac{\mathrm{d} \mathtt{u1}\left( t \right)}{\mathrm{d}t} &= - \sqrt{\mathtt{u1}\left( t \right)} \\ \frac{\mathrm{d} \mathtt{u2}\left( t \right)}{\mathrm{d}t} &= - \sqrt{\mathtt{u2}\left( t \right)} \\ \frac{\mathrm{d} \mathtt{u3}\left( t \right)}{\mathrm{d}t} &= - \sqrt{\mathtt{u3}\left( t \right)} \end{align} \]

This problem causes the ODE solver to crash:

julia> prob = ODEProblem(sys, [], (0.0, 10.0), []);
julia> sol = solve(prob, Tsit5());┌ Warning: At t=2.001167437857666, dt was forced below floating point epsilon 4.440892098500626e-16, and step error estimate = NaN. Aborting. There is either an error in your model specification or the true solution is unstable (or the true solution can not be represented in the precision of Float64). └ @ SciMLBase ~/.julia/packages/SciMLBase/LW7He/src/integrator_interface.jl:623

This suggests that something went wrong, but not exactly what went wrong and where it did. In such situations, the debug_system function is helpful:

julia> dsys = debug_system(sys; functions = [sqrt]);
julia> dprob = ODEProblem(dsys, [], (0.0, 10.0), []);
julia> dsol = solve(dprob, Tsit5());ERROR: Function sqrt(u1(t)) errors with input u1(t) => -9.057596781074334e-5

Now we see that it crashed because u1 decreased so much that it became negative and outside the domain of the function. We could have figured that out ourselves, but it is not always so obvious for more complex models.

Suppose we also want to validate that u1 + u2 >= 2.0. We can do this via the assertions functionality.

@mtkbuild sys = ODESystem(eqs, t; defaults, assertions = [(u1 + u2 >= 2.0) => "Oh no!"])

\[ \begin{align} \frac{\mathrm{d} \mathtt{u1}\left( t \right)}{\mathrm{d}t} &= - \sqrt{\mathtt{u1}\left( t \right)} \\ \frac{\mathrm{d} \mathtt{u2}\left( t \right)}{\mathrm{d}t} &= - \sqrt{\mathtt{u2}\left( t \right)} \\ \frac{\mathrm{d} \mathtt{u3}\left( t \right)}{\mathrm{d}t} &= - \sqrt{\mathtt{u3}\left( t \right)} \end{align} \]

The assertions must be an iterable of pairs, where the first element is the symbolic condition and the second is a message to be logged when the condition fails. All assertions are added to the generated code and will cause the solver to reject steps that fail the assertions. For systems such as the above where the assertion is guaranteed to eventually fail, the solver will likely exit with a dtmin failure..

prob = ODEProblem(sys, [], (0.0, 10.0))
sol = solve(prob, Tsit5())
retcode: Unstable
Interpolation: specialized 4th order "free" interpolation
t: 30-element Vector{Float64}:
 0.0
 0.10506363765715951
 0.4538820261379217
 0.45750836372557085
 0.45756638512697323
 0.4575710268390854
 0.4575728835239303
 0.45757659689362
 0.4575768939631952
 0.45757689871630836
 ⋮
 0.45757690565399967
 0.45757690565415915
 0.45757690565422293
 0.45757690565424847
 0.4575769056542587
 0.4575769056542628
 0.4575769056542644
 0.4575769056542645
 0.4575769056542648
u: 30-element Vector{Vector{Float64}}:
 [1.0, 2.0, 3.0]
 [0.8976959543392682, 1.8541771707038075, 2.8207840335397765]
 [0.5976202496740151, 1.4096161132331038, 2.2653554957755935]
 [0.5948201642704125, 1.4053139497313125, 2.2599007471325927]
 [0.5947754163468728, 1.405245168558202, 2.259813524597223]
 [0.5947718365857056, 1.4052396661370692, 2.259806546867109]
 [0.5947704046842551, 1.4052374651716324, 2.25980375577808]
 [0.5947675408865251, 1.4052330632459298, 2.259798173605193]
 [0.5947673117830045, 1.4052327110921714, 2.2597977270316596]
 [0.5947673081173485, 1.4052327054577116, 2.2597977198864836]
 ⋮
 [0.5947673027669205, 1.4052326972335982, 2.2597977094573127]
 [0.5947673027667975, 1.4052326972334093, 2.259797709457073]
 [0.5947673027667483, 1.4052326972333335, 2.259797709456977]
 [0.5947673027667286, 1.4052326972333034, 2.259797709456939]
 [0.5947673027667207, 1.4052326972332914, 2.2597977094569233]
 [0.5947673027667176, 1.4052326972332865, 2.259797709456917]
 [0.5947673027667164, 1.4052326972332845, 2.2597977094569144]
 [0.5947673027667163, 1.4052326972332843, 2.2597977094569144]
 [0.5947673027667161, 1.405232697233284, 2.259797709456914]

We can use debug_system to log the failing assertions in each call to the RHS function.

julia> dsys = debug_system(sys; functions = []);
julia> dprob = ODEProblem(dsys, [], (0.0, 10.0));
julia> dsol = solve(dprob, Tsit5());┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Warning: At t=0.4575769056542648, dt was forced below floating point epsilon 5.551115123125783e-17, and step error estimate = NaN. Aborting. There is either an error in your model specification or the true solution is unstable (or the true solution can not be represented in the precision of Float64). └ @ SciMLBase ~/.julia/packages/SciMLBase/LW7He/src/integrator_interface.jl:623

Note the logs containing the failed assertion and corresponding message. To temporarily disable logging in a system returned from debug_system, use ModelingToolkit.ASSERTION_LOG_VARIABLE.

julia> dprob[ModelingToolkit.ASSERTION_LOG_VARIABLE] = false;ERROR: Indexing with parameters is deprecated. Use `prob.ps[__log_assertions_ₘₜₖ] = false` for parameter indexing.
julia> solve(dprob, Tsit5());┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkit ~/work/ModelingToolkit.jl/ModelingToolkit.jl/src/debugging.jl:67 ┌ Warning: At t=0.4575769056542648, dt was forced below floating point epsilon 5.551115123125783e-17, and step error estimate = NaN. Aborting. There is either an error in your model specification or the true solution is unstable (or the true solution can not be represented in the precision of Float64). └ @ SciMLBase ~/.julia/packages/SciMLBase/LW7He/src/integrator_interface.jl:623
ModelingToolkit.debug_systemFunction
debug_system(sys::AbstractSystem; functions = [log, sqrt, (^), /, inv, asin, acos], error_nonfinite = true)

Wrap functions in sys so any error thrown in them shows helpful symbolic-numeric information about its input. If error_nonfinite, functions that output nonfinite values (like Inf or NaN) also display errors, even though the raw function itself does not throw an exception (like 1/0). For example:

julia> sys = debug_system(complete(sys))

julia> prob = ODEProblem(sys, [0.0, 2.0], (0.0, 1.0))

julia> prob.f(prob.u0, prob.p, 0.0)
ERROR: Function /(1, sin(P(t))) output non-finite value Inf with input
  1 => 1
  sin(P(t)) => 0.0

Additionally, all assertions in the system are optionally logged when they fail. A new parameter is also added to the system which controls whether the message associated with each assertion will be logged when the assertion fails. This parameter defaults to true and can be toggled by symbolic indexing with ModelingToolkit.ASSERTION_LOG_VARIABLE. For example, prob.ps[ModelingToolkit.ASSERTION_LOG_VARIABLE] = false will disable logging.

source