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 0.0007585/0.0007585, allocations: 80.44 kB / 19.17 MB, free: 0.7461 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 0.0008375/0.0008375, allocations: 165.9 kB / 22.45 MB, free: 2.109 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 0.8798/0.8798, allocations: 177.2 MB / 202.8 MB, free: 5.738 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 0.7262/0.7262, allocations: 154.6 MB / 413.8 MB, free: 0.7773 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: Performance of FrontEnd - loaded program: time 1.432e-06/1.432e-06, allocations: 0 / 0.6182 GB, free: 13.54 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 9.117e-06/1.055e-05, allocations: 6.281 kB / 0.6182 GB, free: 13.54 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01295/0.01296, allocations: 17.43 MB / 0.6352 GB, free: 12.04 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.007355/0.02032, allocations: 6.644 MB / 0.6417 GB, free: 5.375 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0005984/0.02092, allocations: 63.75 kB / 0.6418 GB, free: 5.312 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.00173/0.02265, allocations: 1.488 MB / 0.6432 GB, free: 3.816 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.001745/0.02439, allocations: 1.477 MB / 0.6447 GB, free: 2.332 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00167/0.02606, allocations: 1.266 MB / 0.6459 GB, free: 1.066 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.003645/0.02971, allocations: 5.518 MB / 0.6513 GB, free: 11.54 MB / 0.6198 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003252/0.03296, allocations: 3.35 MB / 0.6546 GB, free: 8.086 MB / 0.6198 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003043/0.036, allocations: 3.306 MB / 0.6578 GB, free: 4.773 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002778/0.03878, allocations: 2.88 MB / 0.6606 GB, free: 1.887 MB / 0.6198 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007669/0.03955, allocations: 0.5117 MB / 0.6611 GB, free: 1.375 MB / 0.6198 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001554/0.0411, allocations: 1.205 MB / 0.6623 GB, free: 172 kB / 0.6198 GB
Notification: Performance of NFScalarize.scalarize: time 0.001457/0.04256, allocations: 2.409 MB / 0.6646 GB, free: 13.75 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.001296/0.04385, allocations: 1.536 MB / 0.6661 GB, free: 12.21 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.005219/0.04907, allocations: 7.94 MB / 0.6739 GB, free: 4.254 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 2.645e-06/0.04907, allocations: 4 kB / 0.6739 GB, free: 4.25 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 1.383e-06/0.04908, allocations: 0 / 0.6739 GB, free: 4.25 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 5.626e-05/0.04913, allocations: 0 / 0.6739 GB, free: 4.25 MB / 0.6355 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 0.004681/0.05381, allocations: 3.75 MB / 0.6776 GB, free: 464 kB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 4.05e-05/0.05385, allocations: 12.03 kB / 0.6776 GB, free: 452 kB / 0.6355 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.2999/0.3538, allocations: 0.5347 MB / 0.6781 GB, free: 94.16 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006828/0.3606, allocations: 2.426 MB / 0.6805 GB, free: 94.04 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002692/0.3633, allocations: 2.155 MB / 0.6826 GB, free: 93.29 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.986e-05/0.3634, allocations: 264.8 kB / 0.6828 GB, free: 93.18 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003844/0.3638, allocations: 346.3 kB / 0.6832 GB, free: 93.07 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007433/0.3712, allocations: 7.212 MB / 0.6902 GB, free: 90.62 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.073e-05/0.3713, allocations: 3.094 kB / 0.6902 GB, free: 90.62 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002809/0.3716, allocations: 147.2 kB / 0.6903 GB, free: 90.52 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002581/0.3718, allocations: 330.5 kB / 0.6907 GB, free: 90.48 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008079/0.3799, allocations: 7.023 MB / 0.6975 GB, free: 88.48 MB / 0.6355 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 0.01681/0.3967, allocations: 18.44 MB / 0.7155 GB, free: 78.09 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004873/0.4016, allocations: 3.727 MB / 0.7192 GB, free: 76.8 MB / 0.6355 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003471/0.405, allocations: 2.521 MB / 0.7216 GB, free: 76.06 MB / 0.6355 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001427/0.4052, allocations: 49.33 kB / 0.7217 GB, free: 76.05 MB / 0.6355 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.975e-05/0.4052, allocations: 64.44 kB / 0.7217 GB, free: 75.99 MB / 0.6355 GB
Notification: Performance of pre-optimization done (n=208): time 3.667e-06/0.4052, allocations: 0 / 0.7217 GB, free: 75.99 MB / 0.6355 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 0.05584/0.4611, allocations: 30.75 MB / 0.7518 GB, free: 59.77 MB / 0.6355 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.361e-05/0.4611, allocations: 239.6 kB / 0.752 GB, free: 59.49 MB / 0.6355 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001257/0.4624, allocations: 1.482 MB / 0.7534 GB, free: 58 MB / 0.6355 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001874/0.4626, allocations: 73.7 kB / 0.7535 GB, free: 57.92 MB / 0.6355 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003683/0.4629, allocations: 1.529 MB / 0.755 GB, free: 56.38 MB / 0.6355 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004577/0.4634, allocations: 0.9474 MB / 0.7559 GB, free: 55.45 MB / 0.6355 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006505/0.464, allocations: 0.6359 MB / 0.7565 GB, free: 54.8 MB / 0.6355 GB
Notification: Performance of setup shared object (initialization): time 3.296e-05/0.4641, allocations: 309.1 kB / 0.7568 GB, free: 54.5 MB / 0.6355 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002947/0.467, allocations: 2.694 MB / 0.7595 GB, free: 51.8 MB / 0.6355 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003154/0.4702, allocations: 3.647 MB / 0.763 GB, free: 47.75 MB / 0.6355 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006203/0.4764, allocations: 6.403 MB / 0.7693 GB, free: 40.95 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.47e-05/0.4764, allocations: 12 kB / 0.7693 GB, free: 40.94 MB / 0.6355 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 0.01386/0.4903, allocations: 10.8 MB / 0.7798 GB, free: 30.08 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 2.9e-05/0.4903, allocations: 20.03 kB / 0.7799 GB, free: 30.06 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.069e-05/0.4903, allocations: 24 kB / 0.7799 GB, free: 30.04 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.009439/0.4998, allocations: 5.543 MB / 0.7853 GB, free: 24.48 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002211/0.502, allocations: 0.9945 MB / 0.7863 GB, free: 23.48 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02248/0.5244, allocations: 27.49 MB / 0.8131 GB, free: 11.66 MB / 0.6511 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002978/0.5274, allocations: 0.5771 MB / 0.8137 GB, free: 11.08 MB / 0.6511 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002042/0.5276, allocations: 159.9 kB / 0.8138 GB, free: 10.93 MB / 0.6511 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005307/0.5329, allocations: 3.984 MB / 0.8177 GB, free: 6.934 MB / 0.6511 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004216/0.5372, allocations: 3.611 MB / 0.8212 GB, free: 2.93 MB / 0.6511 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04706/0.5842, allocations: 24.48 MB / 0.8452 GB, free: 9.984 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.2e-05/0.5842, allocations: 7.938 kB / 0.8452 GB, free: 9.977 MB / 0.6823 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 0.01505/0.5993, allocations: 10.17 MB / 0.8551 GB, free: 15.73 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 3.068e-05/0.5993, allocations: 19.94 kB / 0.8551 GB, free: 15.71 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.268e-05/0.5994, allocations: 28 kB / 0.8551 GB, free: 15.69 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008403/0.6078, allocations: 4.319 MB / 0.8594 GB, free: 11.36 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002479/0.6102, allocations: 1.045 MB / 0.8604 GB, free: 10.31 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02361/0.6338, allocations: 26.25 MB / 0.886 GB, free: 15.48 MB / 0.7292 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002906/0.6368, allocations: 0.5538 MB / 0.8866 GB, free: 14.93 MB / 0.7292 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002056/0.637, allocations: 151.9 kB / 0.8867 GB, free: 14.78 MB / 0.7292 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 0.000934/0.6379, allocations: 403.7 kB / 0.8871 GB, free: 14.38 MB / 0.7292 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003469/0.6382, allocations: 202.7 kB / 0.8873 GB, free: 14.18 MB / 0.7292 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 0.01483/0.6531, allocations: 9.932 MB / 0.897 GB, free: 4.215 MB / 0.7292 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.365e-05/0.6531, allocations: 31.94 kB / 0.897 GB, free: 4.184 MB / 0.7292 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.573e-05/0.6531, allocations: 12 kB / 0.897 GB, free: 4.172 MB / 0.7292 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.038e-05/0.6531, allocations: 19.95 kB / 0.897 GB, free: 4.152 MB / 0.7292 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 0.02144/0.6746, allocations: 15.35 MB / 0.912 GB, free: 4.688 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.025e-05/0.6746, allocations: 8 kB / 0.912 GB, free: 4.68 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001617/0.6762, allocations: 0.7374 MB / 0.9128 GB, free: 3.941 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009503/0.6857, allocations: 5.168 MB / 0.9178 GB, free: 14.76 MB / 0.7605 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002402/0.6859, allocations: 79.94 kB / 0.9179 GB, free: 14.68 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02581/0.7118, allocations: 26.55 MB / 0.9438 GB, free: 3.727 MB / 0.7761 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.905e-06/0.7118, allocations: 15.97 kB / 0.9438 GB, free: 3.711 MB / 0.7761 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 0.01463/0.7264, allocations: 9.845 MB / 0.9534 GB, free: 9.652 MB / 0.7917 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001428/0.7278, allocations: 0.6566 MB / 0.9541 GB, free: 8.996 MB / 0.7917 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002185/0.728, allocations: 63.94 kB / 0.9541 GB, free: 8.934 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001757/0.7298, allocations: 0.507 MB / 0.9546 GB, free: 8.426 MB / 0.7917 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005597/0.7304, allocations: 238.3 kB / 0.9549 GB, free: 8.191 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001434/0.7305, allocations: 87.95 kB / 0.9549 GB, free: 8.105 MB / 0.7917 GB
Notification: Performance of sorting global known variables: time 0.0009986/0.7315, allocations: 0.9723 MB / 0.9559 GB, free: 7.129 MB / 0.7917 GB
Notification: Performance of sort global known variables: time 1.6e-07/0.7315, allocations: 0 / 0.9559 GB, free: 7.129 MB / 0.7917 GB
Notification: Performance of remove unused functions: time 0.004302/0.7358, allocations: 1.848 MB / 0.9577 GB, free: 5.281 MB / 0.7917 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 0.01452/0.7503, allocations: 10.52 MB / 0.968 GB, free: 10.55 MB / 0.8073 GB
Notification: Performance of simCode: created initialization part: time 0.3367/1.087, allocations: 12.01 MB / 0.9797 GB, free: 248.9 MB / 0.8073 GB
Notification: Performance of simCode: created event and clocks part: time 1.247e-05/1.087, allocations: 3.406 kB / 0.9797 GB, free: 248.9 MB / 0.8073 GB
Notification: Performance of simCode: created simulation system equations: time 0.005794/1.093, allocations: 4.267 MB / 0.9839 GB, free: 248.5 MB / 0.8073 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001365/1.094, allocations: 255.4 kB / 0.9841 GB, free: 248.5 MB / 0.8073 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 0.05654/1.151, allocations: 41.42 MB / 1.025 GB, free: 235.7 MB / 0.8073 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002807/1.154, allocations: 2.273 MB / 1.027 GB, free: 235.1 MB / 0.8073 GB
Notification: Performance of simCode: alias equations: time 0.003552/1.157, allocations: 1.656 MB / 1.028 GB, free: 234.9 MB / 0.8073 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001229/1.158, allocations: 1.207 MB / 1.03 GB, free: 234 MB / 0.8073 GB
Notification: Performance of SimCode: time 1.162e-06/1.158, allocations: 0 / 1.03 GB, free: 234 MB / 0.8073 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09685/1.255, allocations: 103.4 MB / 1.131 GB, free: 147.2 MB / 0.8073 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.03/11.29, allocations: 17.95 kB / 1.131 GB, free: 147.2 MB / 0.8073 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: 14.09620206989348]
Failed to read output from testmodel.py, exit status != 0:
11.415180482901633 11.425972506 11.374690277000001
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7e26fadc4410>