Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0009099/0.0009099, allocations: 80.45 kB / 19.15 MB, free: 0.7734 MB / 13.93 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001043/0.001043, allocations: 162 kB / 22.43 MB, free: 2.145 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8849/0.8849, allocations: 177.2 MB / 202.8 MB, free: 5.773 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-531:686:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-531:694:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 0.6891/0.6891, allocations: 154.7 MB / 413.9 MB, free: 0.7266 MB / 378.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: IDEAS requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001141/0.001141, allocations: 65.19 kB / 0.6184 GB, free: 13.52 MB / 0.5886 GB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function.
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4397/0.4408, allocations: 102 MB / 0.718 GB, free: 23.18 MB / 0.6355 GB
Notification: Performance of NFInst.instantiate(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01823/0.459, allocations: 17.57 MB / 0.7352 GB, free: 12.44 MB / 0.6355 GB
Notification: Performance of NFInst.instExpressions: time 0.009642/0.4687, allocations: 6.68 MB / 0.7417 GB, free: 8.145 MB / 0.6355 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002537/0.4712, allocations: 67.19 kB / 0.7417 GB, free: 8.125 MB / 0.6355 GB
Notification: Performance of NFTyping.typeComponents: time 0.003006/0.4742, allocations: 1.485 MB / 0.7432 GB, free: 7.312 MB / 0.6355 GB
Notification: Performance of NFTyping.typeBindings: time 0.003651/0.4779, allocations: 1.457 MB / 0.7446 GB, free: 6.492 MB / 0.6355 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00286/0.4807, allocations: 1.264 MB / 0.7458 GB, free: 5.816 MB / 0.6355 GB
Notification: Performance of NFFlatten.flatten: time 0.006282/0.487, allocations: 5.452 MB / 0.7512 GB, free: 3.508 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004601/0.4916, allocations: 3.337 MB / 0.7544 GB, free: 1.82 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006001/0.4976, allocations: 3.344 MB / 0.7577 GB, free: 172 kB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004898/0.5025, allocations: 2.997 MB / 0.7606 GB, free: 14.43 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.001895/0.5044, allocations: 0.5111 MB / 0.7611 GB, free: 14.43 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003094/0.5075, allocations: 1.191 MB / 0.7623 GB, free: 14.05 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.003004/0.5105, allocations: 2.304 MB / 0.7645 GB, free: 12.59 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.003805/0.5143, allocations: 1.77 MB / 0.7663 GB, free: 11.45 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.009301/0.5236, allocations: 8.176 MB / 0.7742 GB, free: 5.555 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 5.881e-06/0.5236, allocations: 0 / 0.7742 GB, free: 5.555 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.386e-06/0.5236, allocations: 0 / 0.7742 GB, free: 5.555 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0003803/0.524, allocations: 0 / 0.7742 GB, free: 5.555 MB / 0.6511 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01127/0.5353, allocations: 3.795 MB / 0.778 GB, free: 3.023 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.233e-05/0.5353, allocations: 8.938 kB / 0.778 GB, free: 3.023 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00129/0.5366, allocations: 0.5405 MB / 0.7785 GB, free: 2.641 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007444/0.5441, allocations: 2.427 MB / 0.7809 GB, free: 1.379 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004733/0.5488, allocations: 2.154 MB / 0.783 GB, free: 15.19 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001661/0.549, allocations: 279.1 kB / 0.7832 GB, free: 14.92 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001088/0.55, allocations: 344 kB / 0.7836 GB, free: 14.58 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01132/0.5614, allocations: 7.202 MB / 0.7906 GB, free: 7.262 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.326e-05/0.5614, allocations: 3.938 kB / 0.7906 GB, free: 7.258 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003707/0.5618, allocations: 155.9 kB / 0.7907 GB, free: 7.105 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003105/0.5621, allocations: 330 kB / 0.7911 GB, free: 6.781 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01068/0.5728, allocations: 7.024 MB / 0.7979 GB, free: 15.74 MB / 0.6823 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02231/0.5951, allocations: 18.44 MB / 0.8159 GB, free: 12.72 MB / 0.698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00461/0.5997, allocations: 3.727 MB / 0.8196 GB, free: 8.977 MB / 0.698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003406/0.6031, allocations: 2.519 MB / 0.822 GB, free: 6.434 MB / 0.698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001683/0.6033, allocations: 45.97 kB / 0.8221 GB, free: 6.387 MB / 0.698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.221e-05/0.6033, allocations: 68.48 kB / 0.8221 GB, free: 6.312 MB / 0.698 GB
Notification: Performance of pre-optimization done (n=208): time 5.73e-06/0.6033, allocations: 0 / 0.8221 GB, free: 6.312 MB / 0.698 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.05487/0.6582, allocations: 30.75 MB / 0.8522 GB, free: 7.586 MB / 0.7292 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.033e-05/0.6583, allocations: 239.6 kB / 0.8524 GB, free: 7.301 MB / 0.7292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001593/0.6599, allocations: 1.485 MB / 0.8538 GB, free: 5.805 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002986/0.6602, allocations: 65.7 kB / 0.8539 GB, free: 5.734 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006727/0.6609, allocations: 1.534 MB / 0.8554 GB, free: 4.184 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006571/0.6615, allocations: 0.9645 MB / 0.8563 GB, free: 3.211 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007706/0.6623, allocations: 0.6398 MB / 0.857 GB, free: 2.562 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 6.829e-05/0.6624, allocations: 301.1 kB / 0.8573 GB, free: 2.266 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003718/0.6661, allocations: 2.694 MB / 0.8599 GB, free: 15.56 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00384/0.6699, allocations: 3.65 MB / 0.8635 GB, free: 11.51 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007483/0.6774, allocations: 6.406 MB / 0.8697 GB, free: 4.707 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.339e-05/0.6774, allocations: 8 kB / 0.8697 GB, free: 4.699 MB / 0.7448 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.01637/0.6938, allocations: 10.81 MB / 0.8803 GB, free: 9.832 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 4.298e-05/0.6938, allocations: 16 kB / 0.8803 GB, free: 9.816 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.713e-05/0.6939, allocations: 24 kB / 0.8803 GB, free: 9.793 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01547/0.7094, allocations: 5.543 MB / 0.8857 GB, free: 4.234 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003802/0.7132, allocations: 0.9944 MB / 0.8867 GB, free: 3.238 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02947/0.7426, allocations: 27.5 MB / 0.9135 GB, free: 7.379 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002991/0.7456, allocations: 0.5733 MB / 0.9141 GB, free: 6.805 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004139/0.746, allocations: 151.9 kB / 0.9142 GB, free: 6.656 MB / 0.7917 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008502/0.7545, allocations: 3.988 MB / 0.9181 GB, free: 2.66 MB / 0.7917 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007521/0.7621, allocations: 3.611 MB / 0.9217 GB, free: 14.65 MB / 0.8073 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0466/0.8087, allocations: 24.47 MB / 0.9456 GB, free: 5.691 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.652e-05/0.8087, allocations: 11.94 kB / 0.9456 GB, free: 5.68 MB / 0.823 GB
Warning: The linear system: 
1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv3.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.01495/0.8236, allocations: 10.18 MB / 0.9555 GB, free: 11.44 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 2.53e-05/0.8237, allocations: 16 kB / 0.9555 GB, free: 11.42 MB / 0.8386 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.727e-05/0.8237, allocations: 28 kB / 0.9556 GB, free: 11.39 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008289/0.832, allocations: 4.316 MB / 0.9598 GB, free: 7.062 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002662/0.8346, allocations: 1.045 MB / 0.9608 GB, free: 6.016 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02319/0.8578, allocations: 26.25 MB / 0.9864 GB, free: 11.18 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002885/0.8607, allocations: 0.5576 MB / 0.987 GB, free: 10.62 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000374/0.8611, allocations: 152 kB / 0.9871 GB, free: 10.47 MB / 0.8698 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2]
         0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0008465/0.8619, allocations: 392.8 kB / 0.9875 GB, free: 10.08 MB / 0.8698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003984/0.8623, allocations: 206.7 kB / 0.9877 GB, free: 9.879 MB / 0.8698 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01478/0.8771, allocations: 9.932 MB / 0.9974 GB, free: 15.91 MB / 0.8855 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.261e-05/0.8772, allocations: 31.98 kB / 0.9974 GB, free: 15.88 MB / 0.8855 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.727e-05/0.8772, allocations: 12 kB / 0.9974 GB, free: 15.87 MB / 0.8855 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.358e-05/0.8772, allocations: 11.95 kB / 0.9974 GB, free: 15.86 MB / 0.8855 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02321/0.9004, allocations: 15.36 MB / 1.012 GB, free: 316 kB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.979e-05/0.9004, allocations: 8.375 kB / 1.012 GB, free: 308 kB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.3793/1.28, allocations: 0.7308 MB / 1.013 GB, free: 248.4 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01181/1.292, allocations: 5.173 MB / 1.018 GB, free: 248.4 MB / 0.8855 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005988/1.292, allocations: 75.97 kB / 1.018 GB, free: 248.4 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02777/1.32, allocations: 26.55 MB / 1.044 GB, free: 237 MB / 0.8855 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.077e-05/1.32, allocations: 18.83 kB / 1.044 GB, free: 237 MB / 0.8855 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01428/1.334, allocations: 9.868 MB / 1.054 GB, free: 234.1 MB / 0.8855 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001205/1.335, allocations: 0.6623 MB / 1.055 GB, free: 233.9 MB / 0.8855 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000283/1.336, allocations: 50.88 kB / 1.055 GB, free: 233.8 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001705/1.337, allocations: 0.5114 MB / 1.055 GB, free: 233.8 MB / 0.8855 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007148/1.338, allocations: 238.1 kB / 1.055 GB, free: 233.8 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001556/1.338, allocations: 89.84 kB / 1.055 GB, free: 233.8 MB / 0.8855 GB
Notification: Performance of sorting global known variables: time 0.0009851/1.339, allocations: 0.9759 MB / 1.056 GB, free: 233.4 MB / 0.8855 GB
Notification: Performance of sort global known variables: time 8e-08/1.339, allocations: 0 / 1.056 GB, free: 233.4 MB / 0.8855 GB
Notification: Performance of remove unused functions: time 0.004683/1.344, allocations: 1.849 MB / 1.058 GB, free: 233.2 MB / 0.8855 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.01357/1.358, allocations: 10.52 MB / 1.068 GB, free: 229.6 MB / 0.8855 GB
Notification: Performance of simCode: created initialization part: time 0.01533/1.373, allocations: 12.03 MB / 1.08 GB, free: 223.7 MB / 0.8855 GB
Notification: Performance of simCode: created event and clocks part: time 9.208e-06/1.373, allocations: 3.875 kB / 1.08 GB, free: 223.7 MB / 0.8855 GB
Notification: Performance of simCode: created simulation system equations: time 0.005373/1.378, allocations: 4.264 MB / 1.084 GB, free: 220.5 MB / 0.8855 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001463/1.38, allocations: 267.6 kB / 1.085 GB, free: 220.3 MB / 0.8855 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04893/1.429, allocations: 41.36 MB / 1.125 GB, free: 177.8 MB / 0.8855 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001835/1.43, allocations: 2.274 MB / 1.127 GB, free: 175.5 MB / 0.8855 GB
Notification: Performance of simCode: alias equations: time 0.002615/1.433, allocations: 1.649 MB / 1.129 GB, free: 173.8 MB / 0.8855 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009215/1.434, allocations: 1.211 MB / 1.13 GB, free: 172.6 MB / 0.8855 GB
Notification: Performance of SimCode: time 2.245e-06/1.434, allocations: 3.938 kB / 1.13 GB, free: 172.6 MB / 0.8855 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1163/1.55, allocations: 103.6 MB / 1.231 GB, free: 69.57 MB / 0.8855 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.567/11.12, allocations: 3.562 kB / 1.231 GB, free: 69.57 MB / 0.8855 GB
"
[Timeout remaining time 649]
(rm -f IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 13.877347954083234]
Failed to read output from testmodel.py, exit status != 0:
11.235644967993721 11.241220327 10.716061603
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f19d59bc560>