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)]
initial_conditions = [u1 => 1.0, u2 => 2.0, u3 => 3.0]
@named sys = System(eqs, t; initial_conditions)
sys = mtkcompile(sys)Model sys:
Equations (3):
3 standard: see equations(sys)
Unknowns (3): see unknowns(sys)
u3(t)
u2(t)
u1(t)This problem causes the ODE solver to crash:
julia> prob = ODEProblem(sys, [], (0.0, 10.0));julia> sol = solve(prob, Tsit5());
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.
@mtkcompile sys = System(eqs, t; initial_conditions, assertions = [(u1 + u2 >= 2.0) => "Oh no!"])Model sys:
Equations (3):
3 standard: see equations(sys)
Unknowns (3): see unknowns(sys)
u3(t)
u2(t)
u1(t)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}}:
[3.0, 2.0, 1.0]
[2.8207840335397765, 1.8541771707038075, 0.8976959543392682]
[2.2653554957755935, 1.4096161132331038, 0.5976202496740151]
[2.2599007471325927, 1.4053139497313125, 0.5948201642704125]
[2.259813524597223, 1.405245168558202, 0.5947754163468728]
[2.259806546867109, 1.4052396661370692, 0.5947718365857056]
[2.25980375577808, 1.4052374651716324, 0.5947704046842551]
[2.259798173605193, 1.4052330632459298, 0.5947675408865251]
[2.2597977270316596, 1.4052327110921714, 0.5947673117830045]
[2.2597977198864836, 1.4052327054577116, 0.5947673081173485]
⋮
[2.2597977094573127, 1.4052326972335982, 0.5947673027669205]
[2.259797709457073, 1.4052326972334093, 0.5947673027667975]
[2.259797709456977, 1.4052326972333335, 0.5947673027667483]
[2.259797709456939, 1.4052326972333034, 0.5947673027667286]
[2.2597977094569233, 1.4052326972332914, 0.5947673027667207]
[2.259797709456917, 1.4052326972332865, 0.5947673027667176]
[2.2597977094569144, 1.4052326972332845, 0.5947673027667164]
[2.2597977094569144, 1.4052326972332843, 0.5947673027667163]
[2.259797709456914, 1.405232697233284, 0.5947673027667161]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(); dtmin = 0.1); # high dtmin only to show less clutter on this page┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Warning: Verbosity toggle: dt_min_unstable │ dt(0.1 <= dtmin(0.1), at t=0.4538820261379217, and step error estimate = NaN. Aborting. There is either an error in your model specification or the true solution is unstable. └ @ SciMLBase ~/.julia/packages/SciMLBase/emsSz/src/integrator_interface.jl:673
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! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68 ┌ Error: Assertion (u1(t) + u2(t)) >= 2.0 failed: │ Oh no! └ @ ModelingToolkitBase ~/work/ModelingToolkit.jl/ModelingToolkit.jl/lib/ModelingToolkitBase/src/debugging.jl:68