Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 0.0007707/0.0007707, 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 0.0009007/0.0009007, 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 0.9298/0.9298, allocations: 177.1 MB / 202.8 MB, free: 5.746 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:190:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:198:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.72/0.72, allocations: 154.5 MB / 413.7 MB, free: 0.8398 MB / 378.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/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 master/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 master/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.UnbalancedStepDown.YD,fileNamePrefix="IDEAS_dev_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IDEAS_dev_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.993e-06/1.993e-06, allocations: 0 / 0.6182 GB, free: 13.64 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.527e-05/2.726e-05, allocations: 5.094 kB / 0.6182 GB, free: 13.64 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01425/0.01428, allocations: 17.5 MB / 0.6353 GB, free: 12.08 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.0085/0.02278, allocations: 6.671 MB / 0.6418 GB, free: 5.391 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001104/0.02388, allocations: 67.75 kB / 0.6418 GB, free: 5.324 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.002284/0.02616, allocations: 1.485 MB / 0.6433 GB, free: 3.828 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.002644/0.02881, allocations: 1.477 MB / 0.6447 GB, free: 2.344 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00246/0.03127, allocations: 1.289 MB / 0.646 GB, free: 1.055 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.004641/0.03591, allocations: 5.553 MB / 0.6514 GB, free: 11.49 MB / 0.6198 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004146/0.04006, allocations: 3.383 MB / 0.6547 GB, free: 8.004 MB / 0.6198 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003899/0.04395, allocations: 3.329 MB / 0.658 GB, free: 4.668 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003167/0.04712, allocations: 2.884 MB / 0.6608 GB, free: 1.777 MB / 0.6198 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007923/0.04791, allocations: 0.5156 MB / 0.6613 GB, free: 1.262 MB / 0.6198 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001696/0.04961, allocations: 1.225 MB / 0.6625 GB, free: 36 kB / 0.6198 GB
Notification: Performance of NFScalarize.scalarize: time 0.001487/0.0511, allocations: 2.413 MB / 0.6648 GB, free: 13.61 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.001337/0.05243, allocations: 1.544 MB / 0.6663 GB, free: 12.07 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.005/0.05743, allocations: 7.991 MB / 0.6741 GB, free: 4.055 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 4.188e-06/0.05744, allocations: 0 / 0.6741 GB, free: 4.055 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 1.603e-06/0.05744, allocations: 0 / 0.6741 GB, free: 4.055 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 7.626e-05/0.05752, allocations: 0 / 0.6741 GB, free: 4.055 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.004911/0.06243, allocations: 3.801 MB / 0.6779 GB, free: 212 kB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 4.381e-05/0.06247, allocations: 9.469 kB / 0.6779 GB, free: 204 kB / 0.6355 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.2916/0.3541, allocations: 0.5493 MB / 0.6784 GB, free: 94.33 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006769/0.3608, allocations: 2.43 MB / 0.6808 GB, free: 94.2 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003443/0.3643, allocations: 2.171 MB / 0.6829 GB, free: 93.35 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000122/0.3644, allocations: 264.4 kB / 0.6831 GB, free: 93.24 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006169/0.365, allocations: 351 kB / 0.6835 GB, free: 93.13 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.008683/0.3737, allocations: 7.231 MB / 0.6905 GB, free: 90.68 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.512e-05/0.3738, allocations: 10.52 kB / 0.6906 GB, free: 90.67 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002757/0.374, allocations: 146.1 kB / 0.6907 GB, free: 90.57 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002711/0.3743, allocations: 341 kB / 0.691 GB, free: 90.52 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01128/0.3856, allocations: 7.037 MB / 0.6979 GB, free: 88.52 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 0.0254/0.411, allocations: 18.49 MB / 0.716 GB, free: 78.11 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.005861/0.4169, allocations: 3.725 MB / 0.7196 GB, free: 76.82 MB / 0.6355 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003849/0.4207, allocations: 2.522 MB / 0.7221 GB, free: 76.07 MB / 0.6355 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001739/0.4209, allocations: 47.73 kB / 0.7221 GB, free: 76.07 MB / 0.6355 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.789e-05/0.4209, allocations: 64.84 kB / 0.7222 GB, free: 76 MB / 0.6355 GB
Notification: Performance of pre-optimization done (n=208): time 3.647e-06/0.4209, allocations: 1.438 kB / 0.7222 GB, free: 76 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 0.05618/0.4771, allocations: 30.81 MB / 0.7523 GB, free: 59.4 MB / 0.6355 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.18e-05/0.4771, allocations: 238.9 kB / 0.7525 GB, free: 59.12 MB / 0.6355 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001339/0.4785, allocations: 1.527 MB / 0.754 GB, free: 57.59 MB / 0.6355 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003065/0.4788, allocations: 65.7 kB / 0.754 GB, free: 57.52 MB / 0.6355 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000378/0.4792, allocations: 1.541 MB / 0.7555 GB, free: 55.97 MB / 0.6355 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005119/0.4797, allocations: 0.9551 MB / 0.7565 GB, free: 55.03 MB / 0.6355 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006302/0.4803, allocations: 0.632 MB / 0.7571 GB, free: 54.39 MB / 0.6355 GB
Notification: Performance of setup shared object (initialization): time 3.564e-05/0.4803, allocations: 301.1 kB / 0.7574 GB, free: 54.09 MB / 0.6355 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002991/0.4833, allocations: 2.69 MB / 0.76 GB, free: 51.39 MB / 0.6355 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003336/0.4867, allocations: 3.65 MB / 0.7636 GB, free: 47.34 MB / 0.6355 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006578/0.4933, allocations: 6.395 MB / 0.7698 GB, free: 40.55 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.21e-05/0.4933, allocations: 12 kB / 0.7698 GB, free: 40.54 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 0.01398/0.5073, allocations: 10.81 MB / 0.7804 GB, free: 29.67 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 3.499e-05/0.5073, allocations: 16.56 kB / 0.7804 GB, free: 29.65 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.925e-05/0.5073, allocations: 24 kB / 0.7804 GB, free: 29.63 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.009545/0.5169, allocations: 5.543 MB / 0.7858 GB, free: 24.07 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002429/0.5193, allocations: 0.9945 MB / 0.7868 GB, free: 23.07 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02337/0.5427, allocations: 27.49 MB / 0.8136 GB, free: 11.26 MB / 0.6511 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002964/0.5456, allocations: 0.5772 MB / 0.8142 GB, free: 10.68 MB / 0.6511 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002942/0.5459, allocations: 155.9 kB / 0.8144 GB, free: 10.53 MB / 0.6511 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004989/0.5509, allocations: 3.98 MB / 0.8182 GB, free: 6.539 MB / 0.6511 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003867/0.5548, allocations: 3.604 MB / 0.8218 GB, free: 2.539 MB / 0.6511 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0457/0.6005, allocations: 24.47 MB / 0.8457 GB, free: 9.602 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.53e-05/0.6005, allocations: 11.94 kB / 0.8457 GB, free: 9.59 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 0.0148/0.6153, allocations: 10.16 MB / 0.8556 GB, free: 15.36 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 2.911e-05/0.6153, allocations: 16 kB / 0.8556 GB, free: 15.34 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.555e-05/0.6154, allocations: 28 kB / 0.8556 GB, free: 15.31 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008094/0.6235, allocations: 4.317 MB / 0.8599 GB, free: 10.98 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002698/0.6262, allocations: 1.045 MB / 0.8609 GB, free: 9.938 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02177/0.6479, allocations: 26.24 MB / 0.8865 GB, free: 15.13 MB / 0.7292 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002841/0.6508, allocations: 0.5576 MB / 0.887 GB, free: 14.57 MB / 0.7292 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003085/0.6511, allocations: 155.9 kB / 0.8872 GB, free: 14.42 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 0.0008156/0.6519, allocations: 402.5 kB / 0.8876 GB, free: 14.02 MB / 0.7292 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004111/0.6523, allocations: 210.7 kB / 0.8878 GB, free: 13.81 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 0.01461/0.6669, allocations: 9.933 MB / 0.8975 GB, free: 3.836 MB / 0.7292 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.857e-05/0.667, allocations: 24 kB / 0.8975 GB, free: 3.812 MB / 0.7292 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.826e-05/0.667, allocations: 16 kB / 0.8975 GB, free: 3.797 MB / 0.7292 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.841e-05/0.6671, allocations: 15.94 kB / 0.8975 GB, free: 3.781 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 0.02329/0.6904, allocations: 15.37 MB / 0.9125 GB, free: 4.297 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.336e-05/0.6904, allocations: 8 kB / 0.9126 GB, free: 4.289 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001919/0.6923, allocations: 0.7262 MB / 0.9133 GB, free: 3.562 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009879/0.7022, allocations: 5.182 MB / 0.9183 GB, free: 14.36 MB / 0.7605 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006254/0.7028, allocations: 71.95 kB / 0.9184 GB, free: 14.29 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02619/0.729, allocations: 26.56 MB / 0.9443 GB, free: 3.332 MB / 0.7761 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.794e-06/0.729, allocations: 12.03 kB / 0.9443 GB, free: 3.32 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 0.01573/0.7447, allocations: 9.852 MB / 0.954 GB, free: 9.25 MB / 0.7917 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002221/0.7469, allocations: 0.6662 MB / 0.9546 GB, free: 8.582 MB / 0.7917 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006363/0.7476, allocations: 52.94 kB / 0.9547 GB, free: 8.531 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002076/0.7497, allocations: 0.5109 MB / 0.9552 GB, free: 8.02 MB / 0.7917 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006083/0.7503, allocations: 234.4 kB / 0.9554 GB, free: 7.789 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001409/0.7504, allocations: 91.95 kB / 0.9555 GB, free: 7.699 MB / 0.7917 GB
Notification: Performance of sorting global known variables: time 0.001129/0.7515, allocations: 1.005 MB / 0.9565 GB, free: 6.691 MB / 0.7917 GB
Notification: Performance of sort global known variables: time 7e-08/0.7515, allocations: 0 / 0.9565 GB, free: 6.691 MB / 0.7917 GB
Notification: Performance of remove unused functions: time 0.005226/0.7568, allocations: 1.852 MB / 0.9583 GB, free: 4.84 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 0.01443/0.7712, allocations: 10.52 MB / 0.9685 GB, free: 10.11 MB / 0.8073 GB
Notification: Performance of simCode: created initialization part: time 0.285/1.056, allocations: 12.02 MB / 0.9803 GB, free: 248.9 MB / 0.8073 GB
Notification: Performance of simCode: created event and clocks part: time 1.393e-05/1.056, allocations: 0 / 0.9803 GB, free: 248.9 MB / 0.8073 GB
Notification: Performance of simCode: created simulation system equations: time 0.006307/1.063, allocations: 4.258 MB / 0.9844 GB, free: 248.4 MB / 0.8073 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001641/1.064, allocations: 288.9 kB / 0.9847 GB, free: 248.4 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.
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 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[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] ;
  -transformer.conv1.V2[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] ;
  -loadRL.load1.v[1]
]
 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 simCode: created linear, non-linear and system jacobian parts: time 0.0686/1.133, allocations: 42.19 MB / 1.026 GB, free: 235.6 MB / 0.8073 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003358/1.136, allocations: 2.281 MB / 1.028 GB, free: 235 MB / 0.8073 GB
Notification: Performance of simCode: alias equations: time 0.0034/1.14, allocations: 1.663 MB / 1.03 GB, free: 234.8 MB / 0.8073 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001259/1.141, allocations: 1.228 MB / 1.031 GB, free: 233.8 MB / 0.8073 GB
Notification: Performance of SimCode: time 1.563e-06/1.141, allocations: 0 / 1.031 GB, free: 233.8 MB / 0.8073 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1039/1.245, allocations: 104.5 MB / 1.133 GB, free: 145.1 MB / 0.8073 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.19/11.43, allocations: 4 kB / 1.133 GB, free: 145.1 MB / 0.8073 GB
"
[Timeout remaining time 648]
(rm -f IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_dev_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IDEAS_dev_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 14.33274724893272]
Failed to read output from testmodel.py, exit status != 0:
11.56037890072912 11.568453556 11.508671768
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x75a0783c4500>