Running command: translateModel(IndustrialControlSystems.LinearSystems.Examples.ComparisonTFunction,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems.LinearSystems.Examples.ComparisonTFunction")
Notification: Performance of loadModel(IndustrialControlSystems): time 2.251/2.251, allocations: 216.8 MB / 229 MB, free: 15.19 MB / 202.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.096e-05/4.113e-05, allocations: 5.25 kB / 281.9 MB, free: 10.98 MB / 234.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.09799/0.09806, allocations: 50 MB / 331.9 MB, free: 8.883 MB / 282.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.4164/0.5145, allocations: 78.46 MB / 410.3 MB, free: 2.027 MB / 330.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000425/0.515, allocations: 75.58 kB / 410.4 MB, free: 1.988 MB / 330.7 MB
Notification: Performance of FrontEnd - DAE generated: time 0.02944/0.5445, allocations: 4.762 MB / 415.2 MB, free: 13.82 MB / 346.7 MB
Notification: Performance of FrontEnd: time 3.445e-06/0.5446, allocations: 0 / 415.2 MB, free: 13.82 MB / 346.7 MB
Notification: Performance of Transformations before backend: time 5.568e-05/0.5446, allocations: 12 kB / 415.2 MB, free: 13.8 MB / 346.7 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 63
 * Number of variables: 63
Notification: Performance of Generate backend data structure: time 0.001712/0.5464, allocations: 0.6022 MB / 415.8 MB, free: 13.18 MB / 346.7 MB
Notification: Performance of prepare preOptimizeDAE: time 5.752e-05/0.5465, allocations: 12.03 kB / 415.8 MB, free: 13.17 MB / 346.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001914/0.5467, allocations: 39.53 kB / 415.8 MB, free: 13.13 MB / 346.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001035/0.5477, allocations: 376.2 kB / 416.2 MB, free: 12.75 MB / 346.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.398e-05/0.5478, allocations: 26.69 kB / 416.2 MB, free: 12.73 MB / 346.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001262/0.5479, allocations: 28.56 kB / 416.3 MB, free: 12.71 MB / 346.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001327/0.5493, allocations: 402.1 kB / 416.7 MB, free: 12.4 MB / 346.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 3.307e-05/0.5493, allocations: 7.984 kB / 416.7 MB, free: 12.39 MB / 346.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.334e-05/0.5494, allocations: 7.625 kB / 416.7 MB, free: 12.39 MB / 346.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.76e-05/0.5495, allocations: 15.94 kB / 416.7 MB, free: 12.38 MB / 346.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009105/0.5504, allocations: 257.8 kB / 416.9 MB, free: 12.2 MB / 346.7 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003592/0.554, allocations: 0.9824 MB / 417.9 MB, free: 11.33 MB / 346.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.001168/0.5552, allocations: 291 kB / 418.2 MB, free: 11.11 MB / 346.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0004652/0.5557, allocations: 143.6 kB / 418.4 MB, free: 11.01 MB / 346.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 1.659e-05/0.5558, allocations: 0 / 418.4 MB, free: 11.01 MB / 346.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007793/0.5566, allocations: 246.6 kB / 418.6 MB, free: 10.81 MB / 346.7 MB
Notification: Performance of pre-optimization done (n=32): time 5.441e-06/0.5566, allocations: 0 / 418.6 MB, free: 10.81 MB / 346.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:332:7-332:48:writable] Error: Internal error BackendDAETransform.analyseStrongComponentBlock failed (Purely discrete algebraic loops cannot be solved by iterative processes. Try to break them open using the delay() operator.)
tf_TU.Y[1]
tf_TU.w
tf_TU.Y[2]
tf_TU.Y[3]
when $whenCondition1 then
  tf_TU.w := tf_TU.num[1] * tf_TU.U[1] + tf_TU.num[2] * tf_TU.U[2] + (-tf_TU.b[3]) * tf_TU.Y[3] - tf_TU.b[1] * tf_TU.Y[1];
end when;
when $whenCondition1 then
  tf_TU.Y[3] := IndustrialControlSystems.LinearSystems.Discrete.Functions.fIntegrator(0.5, tf_TU.Y[2], pre(tf_TU.Y[2]), pre(tf_TU.Y[3]), tf_TU.Ts, 1.0);
end when;
when $whenCondition1 then
  tf_TU.Y[2] := tf_TU.w;
end when;
when $whenCondition1 then
  tf_TU.Y[1] := IndustrialControlSystems.LinearSystems.Discrete.Functions.fDerivator(1.0, tf_TU.w, pre(tf_TU.w), pre(tf_TU.Y[1]), tf_TU.Ts, 1.0);
end when;
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:342:7-342:48:writable] Error: Internal error BackendDAETransform.analyseStrongComponentBlock failed
variables:
  tf_TU.Y[1]
  tf_TU.w
  tf_TU.Y[2]
  tf_TU.Y[3]
equations:
  when $whenCondition1 then
  tf_TU.w := tf_TU.num[1] * tf_TU.U[1] + tf_TU.num[2] * tf_TU.U[2] + (-tf_TU.b[3]) * tf_TU.Y[3] - tf_TU.b[1] * tf_TU.Y[1];
end when;
  when $whenCondition1 then
  tf_TU.Y[3] := IndustrialControlSystems.LinearSystems.Discrete.Functions.fIntegrator(0.5, tf_TU.Y[2], pre(tf_TU.Y[2]), pre(tf_TU.Y[3]), tf_TU.Ts, 1.0);
end when;
  when $whenCondition1 then
  tf_TU.Y[2] := tf_TU.w;
end when;
  when $whenCondition1 then
  tf_TU.Y[1] := IndustrialControlSystems.LinearSystems.Discrete.Functions.fDerivator(1.0, tf_TU.w, pre(tf_TU.w), pre(tf_TU.Y[1]), tf_TU.Ts, 1.0);
end when;
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:346:7-346:90:writable] Error: Internal error function analyseStrongComponentBlock failed
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:196:5-196:89:writable] Error: Internal error function analyseStrongComponentScalar failed
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:107:7-107:113:writable] Error: Internal error function strongComponentsScalar failed (sorting strong components)
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAEUtil.mo:7735:5-7735:89:writable] Error: Internal error Transformation module sort components failed