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Description
Describe the bug π
I am getting this warning message:
β Warning: Internal error: Variable (l0(t))[9] was marked as being in 0 ~ -(stiffness(t))[9] + ifelse((len(t))[9] > (l0(t))[9], (0.7853981633974483stiffness_frac*SymbolicAWEModels.get_e_tether(pset)*(SymbolicAWEModels.get_diameter(psys, 9)^2)) / (len(t))[9], (0.7853981633974483stiffness_frac*SymbolicAWEModels.get_e_tether(pset)*SymbolicAWEModels.get_compression_frac(psys, 9)*(SymbolicAWEModels.get_diameter(psys, 9)^2)) / (len(t))[9]), but was actually zero
β @ ModelingToolkit.StructuralTransformations ~/.julia/packages/ModelingToolkit/vyvd9/src/structural_transformation/utils.jl:291
Expected behavior
I did not get this warning message before. This came after updating the packages, without changing the code.
Minimal Reproducible Example π
using SymbolicAWEModels, KiteUtils, VortexStepMethod, ModelingToolkit
set_data_path("data")
if !ispath("data/settings_ram.yaml")
SymbolicAWEModels.copy_model_settings()
end
function generate_sys(segments)
set = Settings("system_ram.yaml")
set.segments = segments
set.physical_model = "ram"
sam = SymbolicAWEModel(set)
println("Creating sys with $segments segments")
@time inputs = SymbolicAWEModels.create_sys!(sam, sam.sys_struct;
init_va_b=zeros(1,3), prn=false)
println("Simplifying sys with $segments segments")
@time sys = mtkcompile(sam.full_sys; inputs)
end
generate_sys(3)
generate_sys(3) # 50 seconds
nothing
Environment (please complete the following information):
- Output of
using Pkg; Pkg.status()
Status `~/Tes/Project.toml`
[90980105] KiteUtils v0.10.15
β
[961ee093] ModelingToolkit v10.10.0
[9c9a347c] SymbolicAWEModels v0.1.3
[ed3cd733] VortexStepMethod v2.0.0
- Output of
using Pkg; Pkg.status(; mode = PKGMODE_MANIFEST)
Status `~/Tes/Manifest.toml`
[47edcb42] ADTypes v1.15.0
[621f4979] AbstractFFTs v1.5.0
[1520ce14] AbstractTrees v0.4.5
[7d9f7c33] Accessors v0.1.42
[79e6a3ab] Adapt v4.3.0
[66dad0bd] AliasTables v1.1.3
[ec485272] ArnoldiMethod v0.4.0
[4fba245c] ArrayInterface v7.19.0
[4c555306] ArrayLayouts v1.11.1
[69666777] Arrow v2.8.0
[31f734f8] ArrowTypes v2.3.0
[c59cac55] AtmosphericModels v0.3.1
[13072b0f] AxisAlgorithms v1.1.0
[e2ed5e7c] Bijections v0.2.2
[c3b6d118] BitIntegers v0.3.5
[62783981] BitTwiddlingConvenienceFunctions v0.1.6
[8e7c35d0] BlockArrays v1.7.0
[70df07ce] BracketingNonlinearSolve v1.3.0
[2a0fbf3d] CPUSummary v0.2.6
[336ed68f] CSV v0.10.15
[d360d2e6] ChainRulesCore v1.25.2
[fb6a15b2] CloseOpenIntervals v0.1.13
[5ba52731] CodecLz4 v0.4.6
[ba30903b] CodecXz v0.7.4
[944b1d66] CodecZlib v0.7.8
[6b39b394] CodecZstd v0.8.6
[3da002f7] ColorTypes v0.12.1
[5ae59095] Colors v0.13.1
[861a8166] Combinatorics v1.0.3
[a80b9123] CommonMark v0.9.1
[38540f10] CommonSolve v0.2.4
[bbf7d656] CommonSubexpressions v0.3.1
[f70d9fcc] CommonWorldInvalidations v1.0.0
[34da2185] Compat v4.17.0
[b152e2b5] CompositeTypes v0.1.4
[a33af91c] CompositionsBase v0.1.2
[2569d6c7] ConcreteStructs v0.2.3
[f0e56b4a] ConcurrentUtilities v2.5.0
[187b0558] ConstructionBase v1.6.0
[adafc99b] CpuId v0.3.1
[a8cc5b0e] Crayons v4.1.1
[9a962f9c] DataAPI v1.16.0
[864edb3b] DataStructures v0.18.22
[e2d170a0] DataValueInterfaces v1.0.0
[3f0dd361] DefaultApplication v1.1.0
[8bb1440f] DelimitedFiles v1.9.1
[2b5f629d] DiffEqBase v6.177.2
[459566f4] DiffEqCallbacks v4.8.0
[77a26b50] DiffEqNoiseProcess v5.24.1
[163ba53b] DiffResults v1.1.0
[b552c78f] DiffRules v1.15.1
β
[a0c0ee7d] DifferentiationInterface v0.6.54
[c1363496] DiscretePIDs v0.1.6
[8d63f2c5] DispatchDoctor v0.4.26
[31c24e10] Distributions v0.25.120
[ffbed154] DocStringExtensions v0.9.5
[5b8099bc] DomainSets v0.7.15
[7c1d4256] DynamicPolynomials v0.6.2
[06fc5a27] DynamicQuantities v1.8.0
[4e289a0a] EnumX v1.0.5
[f151be2c] EnzymeCore v0.8.12
[e2ba6199] ExprTools v0.1.10
[55351af7] ExproniconLite v0.10.14
[7a1cc6ca] FFTW v1.9.0
[7034ab61] FastBroadcast v0.3.5
[9aa1b823] FastClosures v0.3.2
[a4df4552] FastPower v1.1.3
[5789e2e9] FileIO v1.17.0
[48062228] FilePathsBase v0.9.24
[1a297f60] FillArrays v1.13.0
[64ca27bc] FindFirstFunctions v1.4.1
[6a86dc24] FiniteDiff v2.27.0
[53c48c17] FixedPointNumbers v0.8.5
[1fa38f19] Format v1.3.7
β
[f6369f11] ForwardDiff v0.10.38
[069b7b12] FunctionWrappers v1.1.3
[77dc65aa] FunctionWrappersWrappers v0.1.3
[d9f16b24] Functors v0.5.2
[46192b85] GPUArraysCore v0.2.0
[c27321d9] Glob v1.3.1
[86223c79] Graphs v1.13.0
[34004b35] HypergeometricFunctions v0.3.28
[615f187c] IfElse v0.1.1
[3263718b] ImplicitDiscreteSolve v0.1.2
[d25df0c9] Inflate v0.1.5
[842dd82b] InlineStrings v1.4.4
[18e54dd8] IntegerMathUtils v0.1.3
β
[a98d9a8b] Interpolations v0.15.1
[8197267c] IntervalSets v0.7.11
[3587e190] InverseFunctions v0.1.17
[92d709cd] IrrationalConstants v0.2.4
[82899510] IteratorInterfaceExtensions v1.0.0
[692b3bcd] JLLWrappers v1.7.0
[ae98c720] Jieko v0.2.1
[98e50ef6] JuliaFormatter v2.1.2
β
[70703baa] JuliaSyntax v0.4.10
[ccbc3e58] JumpProcesses v9.16.1
[90980105] KiteUtils v0.10.15
[ba0b0d4f] Krylov v0.10.1
[b964fa9f] LaTeXStrings v1.4.0
[23fbe1c1] Latexify v0.16.8
[10f19ff3] LayoutPointers v0.1.17
[5078a376] LazyArrays v2.6.1
[87fe0de2] LineSearch v0.1.4
[d3d80556] LineSearches v7.4.0
[7ed4a6bd] LinearSolve v3.20.0
[2ab3a3ac] LogExpFunctions v0.3.29
[d8e11817] MLStyle v0.4.17
[1914dd2f] MacroTools v0.5.16
[d125e4d3] ManualMemory v0.1.8
[bb5d69b7] MaybeInplace v0.1.4
[442fdcdd] Measures v0.3.2
[ebf956a0] MeshGrid v1.0.3
[e1d29d7a] Missings v1.2.0
[78c3b35d] Mocking v0.8.1
β
[961ee093] ModelingToolkit v10.10.0
[2e0e35c7] Moshi v0.3.7
[46d2c3a1] MuladdMacro v0.2.4
[102ac46a] MultivariatePolynomials v0.5.9
[d8a4904e] MutableArithmetics v1.6.4
[d41bc354] NLSolversBase v7.10.0
[15e1cf62] NPZ v0.4.3
[77ba4419] NaNMath v1.1.3
[8913a72c] NonlinearSolve v4.10.0
[be0214bd] NonlinearSolveBase v1.13.0
[5959db7a] NonlinearSolveFirstOrder v1.5.0
[9a2c21bd] NonlinearSolveQuasiNewton v1.6.0
[26075421] NonlinearSolveSpectralMethods v1.2.0
[6fe1bfb0] OffsetArrays v1.17.0
[429524aa] Optim v1.13.2
[bac558e1] OrderedCollections v1.8.1
[6ad6398a] OrdinaryDiffEqBDF v1.6.0
[bbf590c4] OrdinaryDiffEqCore v1.26.2
[4302a76b] OrdinaryDiffEqDifferentiation v1.10.1
[127b3ac7] OrdinaryDiffEqNonlinearSolve v1.11.0
[2d112036] OrdinaryDiffEqSDIRK v1.3.0
[90014a1f] PDMats v0.11.35
[d96e819e] Parameters v0.12.3
[69de0a69] Parsers v2.8.3
[e409e4f3] PoissonRandom v0.4.5
[f517fe37] Polyester v0.7.18
[1d0040c9] PolyesterWeave v0.2.2
[2dfb63ee] PooledArrays v1.4.3
[85a6dd25] PositiveFactorizations v0.2.4
[d236fae5] PreallocationTools v0.4.29
β
[aea7be01] PrecompileTools v1.2.1
[21216c6a] Preferences v1.4.3
[08abe8d2] PrettyTables v2.4.0
[27ebfcd6] Primes v0.5.7
[43287f4e] PtrArrays v1.3.0
[1fd47b50] QuadGK v2.11.2
[94ee1d12] Quaternions v0.7.6
[74087812] Random123 v1.7.1
[e6cf234a] RandomNumbers v1.6.0
[c84ed2f1] Ratios v0.4.5
[c1ae055f] RealDot v0.1.0
[3cdcf5f2] RecipesBase v1.3.4
[731186ca] RecursiveArrayTools v3.34.1
[189a3867] Reexport v1.2.2
[74f56ac7] ReferenceFrameRotations v3.1.1
[ae029012] Requires v1.3.1
[ae5879a3] ResettableStacks v1.1.1
[79098fc4] Rmath v0.8.0
[6038ab10] Rotations v1.7.1
[7e49a35a] RuntimeGeneratedFunctions v0.5.15
[9dfe8606] SCCNonlinearSolve v1.4.0
[94e857df] SIMDTypes v0.1.0
[0bca4576] SciMLBase v2.104.0
[19f34311] SciMLJacobianOperators v0.1.7
[c0aeaf25] SciMLOperators v1.3.1
[431bcebd] SciMLPublic v1.0.0
[53ae85a6] SciMLStructures v1.7.0
[6c6a2e73] Scratch v1.3.0
[91c51154] SentinelArrays v1.4.8
[efcf1570] Setfield v1.1.2
[727e6d20] SimpleNonlinearSolve v2.6.0
[699a6c99] SimpleTraits v0.9.4
[ce78b400] SimpleUnPack v1.1.0
[a2af1166] SortingAlgorithms v1.2.1
[0a514795] SparseMatrixColorings v0.4.21
[276daf66] SpecialFunctions v2.5.1
[aedffcd0] Static v1.2.0
[0d7ed370] StaticArrayInterface v1.8.0
[90137ffa] StaticArrays v1.9.14
[1e83bf80] StaticArraysCore v1.4.3
[10745b16] Statistics v1.11.1
[82ae8749] StatsAPI v1.7.1
[2913bbd2] StatsBase v0.34.5
[4c63d2b9] StatsFuns v1.5.0
[9672c7b4] SteadyStateDiffEq v2.5.0
[7792a7ef] StrideArraysCore v0.5.7
[69024149] StringEncodings v0.3.7
[892a3eda] StringManipulation v0.4.1
[354b36f9] StringViews v1.3.4
β
[09ab397b] StructArrays v0.6.21
[856f2bd8] StructTypes v1.11.0
[9c9a347c] SymbolicAWEModels v0.1.3
[2efcf032] SymbolicIndexingInterface v0.3.42
[19f23fe9] SymbolicLimits v0.2.2
[d1185830] SymbolicUtils v3.29.0
[0c5d862f] Symbolics v6.45.0
[dc5dba14] TZJData v1.5.0+2025b
[3783bdb8] TableTraits v1.0.1
[bd369af6] Tables v1.12.1
[ed4db957] TaskLocalValues v0.1.3
[8ea1fca8] TermInterface v2.0.0
[1e6cf692] TestEnv v1.102.1
[1c621080] TestItems v1.0.0
[8290d209] ThreadingUtilities v0.5.5
[f269a46b] TimeZones v1.22.0
[a759f4b9] TimerOutputs v0.5.29
[21f18d07] Timers v0.1.5
[3bb67fe8] TranscodingStreams v0.11.3
[410a4b4d] Tricks v0.1.10
[781d530d] TruncatedStacktraces v1.4.0
[5c2747f8] URIs v1.6.1
[3a884ed6] UnPack v1.0.2
[1986cc42] Unitful v1.23.1
[a7c27f48] Unityper v0.1.6
[ed3cd733] VortexStepMethod v2.0.0
[ea10d353] WeakRefStrings v1.4.2
[897b6980] WeakValueDicts v0.1.0
[7dcfa46b] WinchModels v0.3.7
[efce3f68] WoodburyMatrices v1.0.0
[76eceee3] WorkerUtilities v1.6.1
β
[19641d66] Xfoil v0.5.0
[ddb6d928] YAML v0.4.14
[a5390f91] ZipFile v0.10.1
[f5851436] FFTW_jll v3.3.11+0
[1d5cc7b8] IntelOpenMP_jll v2025.2.0+0
[94ce4f54] Libiconv_jll v1.18.0+0
[5ced341a] Lz4_jll v1.10.1+0
[856f044c] MKL_jll v2025.2.0+0
[efe28fd5] OpenSpecFun_jll v0.5.6+0
[f50d1b31] Rmath_jll v0.5.1+0
[ffd25f8a] XZ_jll v5.8.1+0
[3161d3a3] Zstd_jll v1.5.7+1
[1317d2d5] oneTBB_jll v2022.0.0+0
[70cc596b] xfoil_light_jll v0.2.1+0
[0dad84c5] ArgTools v1.1.2
[56f22d72] Artifacts v1.11.0
[2a0f44e3] Base64 v1.11.0
[ade2ca70] Dates v1.11.0
[8ba89e20] Distributed v1.11.0
[f43a241f] Downloads v1.6.0
[7b1f6079] FileWatching v1.11.0
[9fa8497b] Future v1.11.0
[b77e0a4c] InteractiveUtils v1.11.0
[4af54fe1] LazyArtifacts v1.11.0
[b27032c2] LibCURL v0.6.4
[76f85450] LibGit2 v1.11.0
[8f399da3] Libdl v1.11.0
[37e2e46d] LinearAlgebra v1.11.0
[56ddb016] Logging v1.11.0
[d6f4376e] Markdown v1.11.0
[a63ad114] Mmap v1.11.0
[ca575930] NetworkOptions v1.2.0
[44cfe95a] Pkg v1.11.0
[de0858da] Printf v1.11.0
[3fa0cd96] REPL v1.11.0
[9a3f8284] Random v1.11.0
[ea8e919c] SHA v0.7.0
[9e88b42a] Serialization v1.11.0
[1a1011a3] SharedArrays v1.11.0
[6462fe0b] Sockets v1.11.0
[2f01184e] SparseArrays v1.11.0
[f489334b] StyledStrings v1.11.0
[4607b0f0] SuiteSparse
[fa267f1f] TOML v1.0.3
[a4e569a6] Tar v1.10.0
[8dfed614] Test v1.11.0
[cf7118a7] UUIDs v1.11.0
[4ec0a83e] Unicode v1.11.0
[e66e0078] CompilerSupportLibraries_jll v1.1.1+0
[deac9b47] LibCURL_jll v8.6.0+0
[e37daf67] LibGit2_jll v1.7.2+0
[29816b5a] LibSSH2_jll v1.11.0+1
[c8ffd9c3] MbedTLS_jll v2.28.6+0
[14a3606d] MozillaCACerts_jll v2023.12.12
[4536629a] OpenBLAS_jll v0.3.27+1
[05823500] OpenLibm_jll v0.8.5+0
[bea87d4a] SuiteSparse_jll v7.7.0+0
[83775a58] Zlib_jll v1.2.13+1
[8e850b90] libblastrampoline_jll v5.11.0+0
[8e850ede] nghttp2_jll v1.59.0+0
[3f19e933] p7zip_jll v17.4.0+2
- Output of
versioninfo()
Julia Version 1.11.6
Commit 9615af0f269 (2025-07-09 12:58 UTC)
Build Info:
Official https://julialang.org/ release
Platform Info:
OS: Linux (x86_64-linux-gnu)
CPU: 16 Γ Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
WORD_SIZE: 64
LLVM: libLLVM-16.0.6 (ORCJIT, skylake)
Threads: 1 default, 0 interactive, 1 GC (on 16 virtual cores)
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