Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_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 0.001287/0.001287, allocations: 105.5 kB / 18.95 MB, free: 1.188 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 0.001486/0.001486, allocations: 208.1 kB / 22.25 MB, free: 3.59 MB / 13.93 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 1.01/1.01, allocations: 230.6 MB / 256 MB, free: 9.602 MB / 202.7 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 0.8041/0.8041, allocations: 203.5 MB / 0.5039 GB, free: 10.74 MB / 410.7 MB
"
[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.UnbalancedStepDown.YD,fileNamePrefix="IDEAS_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_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.001269/0.001269, allocations: 66.7 kB / 0.7179 GB, free: 4.324 MB / 0.5261 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5337/0.535, allocations: 102 MB / 0.8175 GB, free: 1.234 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01625/0.5512, allocations: 17.9 MB / 0.835 GB, free: 6.195 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.01065/0.5619, allocations: 6.76 MB / 0.8416 GB, free: 1.816 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002161/0.564, allocations: 64.38 kB / 0.8416 GB, free: 1.801 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.003478/0.5675, allocations: 1.486 MB / 0.8431 GB, free: 0.9453 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.004731/0.5722, allocations: 1.456 MB / 0.8445 GB, free: 15.79 MB / 0.6355 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003182/0.5754, allocations: 1.264 MB / 0.8457 GB, free: 14.8 MB / 0.6355 GB
Notification: Performance of NFFlatten.flatten: time 0.005505/0.5809, allocations: 5.482 MB / 0.8511 GB, free: 11.74 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003751/0.5847, allocations: 3.369 MB / 0.8544 GB, free: 9.586 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0035/0.5882, allocations: 2.428 MB / 0.8568 GB, free: 8.195 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003992/0.5922, allocations: 3.004 MB / 0.8597 GB, free: 6.418 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.001194/0.5934, allocations: 0.5141 MB / 0.8602 GB, free: 6.418 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002373/0.5957, allocations: 1.198 MB / 0.8614 GB, free: 6.039 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.002473/0.5982, allocations: 2.311 MB / 0.8636 GB, free: 4.574 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.00319/0.6014, allocations: 1.795 MB / 0.8654 GB, free: 3.418 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.00783/0.6092, allocations: 7.844 MB / 0.873 GB, free: 13.03 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 6.663e-06/0.6092, allocations: 0 / 0.873 GB, free: 13.03 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.475e-06/0.6092, allocations: 0 / 0.873 GB, free: 13.03 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0002478/0.6095, allocations: 0 / 0.873 GB, free: 13.03 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.0091/0.6186, allocations: 3.83 MB / 0.8768 GB, free: 9.152 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.44e-05/0.6186, allocations: 12.03 kB / 0.8768 GB, free: 9.141 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001041/0.6197, allocations: 0.5387 MB / 0.8773 GB, free: 8.594 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007409/0.6271, allocations: 2.44 MB / 0.8797 GB, free: 6.148 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003579/0.6307, allocations: 2.166 MB / 0.8818 GB, free: 3.949 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001499/0.6308, allocations: 271.2 kB / 0.8821 GB, free: 3.684 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006945/0.6315, allocations: 352 kB / 0.8824 GB, free: 3.34 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0111/0.6426, allocations: 7.235 MB / 0.8895 GB, free: 11.99 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.449e-05/0.6427, allocations: 4 kB / 0.8895 GB, free: 11.98 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004136/0.6431, allocations: 152 kB / 0.8896 GB, free: 11.84 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002938/0.6434, allocations: 334.1 kB / 0.8899 GB, free: 11.51 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01015/0.6535, allocations: 7.036 MB / 0.8968 GB, free: 4.457 MB / 0.6667 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 0.02263/0.6762, allocations: 18.5 MB / 0.9149 GB, free: 1.367 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004912/0.6811, allocations: 3.714 MB / 0.9185 GB, free: 13.63 MB / 0.698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003447/0.6845, allocations: 2.53 MB / 0.921 GB, free: 11.08 MB / 0.698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001395/0.6847, allocations: 49.95 kB / 0.921 GB, free: 11.03 MB / 0.698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.934e-05/0.6847, allocations: 60.5 kB / 0.9211 GB, free: 10.96 MB / 0.698 GB
Notification: Performance of pre-optimization done (n=208): time 3.917e-06/0.6847, allocations: 0 / 0.9211 GB, free: 10.96 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 0.05882/0.7435, allocations: 30.8 MB / 0.9512 GB, free: 12.18 MB / 0.7292 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.026e-05/0.7436, allocations: 235.6 kB / 0.9514 GB, free: 11.9 MB / 0.7292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001773/0.7454, allocations: 1.531 MB / 0.9529 GB, free: 10.36 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004757/0.7459, allocations: 65.7 kB / 0.9529 GB, free: 10.29 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007034/0.7466, allocations: 1.55 MB / 0.9544 GB, free: 8.727 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009472/0.7475, allocations: 0.9683 MB / 0.9554 GB, free: 7.75 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008174/0.7483, allocations: 0.636 MB / 0.956 GB, free: 7.105 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 6.975e-05/0.7484, allocations: 305.1 kB / 0.9563 GB, free: 6.805 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003557/0.752, allocations: 2.686 MB / 0.9589 GB, free: 4.109 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004285/0.7562, allocations: 3.654 MB / 0.9625 GB, free: 60 kB / 0.7292 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008298/0.7645, allocations: 6.399 MB / 0.9687 GB, free: 9.262 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.639e-05/0.7646, allocations: 8 kB / 0.9688 GB, free: 9.254 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 0.01727/0.7819, allocations: 10.8 MB / 0.9793 GB, free: 14.38 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 3.491e-05/0.7819, allocations: 16 kB / 0.9793 GB, free: 14.37 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.937e-05/0.7819, allocations: 28 kB / 0.9793 GB, free: 14.34 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01088/0.7928, allocations: 5.54 MB / 0.9847 GB, free: 8.785 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002636/0.7954, allocations: 0.9952 MB / 0.9857 GB, free: 7.789 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02845/0.8239, allocations: 27.47 MB / 1.013 GB, free: 11.94 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003189/0.8271, allocations: 0.5732 MB / 1.013 GB, free: 11.36 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004068/0.8275, allocations: 152 kB / 1.013 GB, free: 11.21 MB / 0.7917 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005961/0.8334, allocations: 3.988 MB / 1.017 GB, free: 7.219 MB / 0.7917 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004262/0.8377, allocations: 3.608 MB / 1.021 GB, free: 3.211 MB / 0.7917 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04863/0.8863, allocations: 24.46 MB / 1.045 GB, free: 10.28 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.123e-05/0.8864, allocations: 8 kB / 1.045 GB, free: 10.27 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 0.01722/0.9036, allocations: 10.16 MB / 1.054 GB, free: 40 kB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 3.102e-05/0.9036, allocations: 20 kB / 1.055 GB, free: 20 kB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.441e-05/0.9037, allocations: 28.05 kB / 1.055 GB, free: 15.99 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008249/0.9119, allocations: 4.318 MB / 1.059 GB, free: 11.65 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002911/0.9148, allocations: 1.041 MB / 1.06 GB, free: 10.61 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0244/0.9392, allocations: 26.26 MB / 1.085 GB, free: 15.76 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003237/0.9425, allocations: 0.5615 MB / 1.086 GB, free: 15.2 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003751/0.9428, allocations: 152.1 kB / 1.086 GB, free: 15.05 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 0.0008029/0.9436, allocations: 410.2 kB / 1.086 GB, free: 14.64 MB / 0.8698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004338/0.9441, allocations: 206.7 kB / 1.087 GB, free: 14.44 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 0.01588/0.96, allocations: 9.926 MB / 1.096 GB, free: 4.473 MB / 0.8698 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.897e-05/0.96, allocations: 28 kB / 1.096 GB, free: 4.445 MB / 0.8698 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.086e-05/0.96, allocations: 16 kB / 1.096 GB, free: 4.43 MB / 0.8698 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.382e-05/0.9601, allocations: 15.94 kB / 1.096 GB, free: 4.414 MB / 0.8698 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 0.0238/0.9839, allocations: 15.37 MB / 1.111 GB, free: 4.859 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.28e-05/0.9839, allocations: 8 kB / 1.111 GB, free: 4.852 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002142/0.986, allocations: 0.7334 MB / 1.112 GB, free: 4.117 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01043/0.9965, allocations: 5.169 MB / 1.117 GB, free: 14.93 MB / 0.9011 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005429/0.997, allocations: 75.95 kB / 1.117 GB, free: 14.86 MB / 0.9011 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02607/1.023, allocations: 26.55 MB / 1.143 GB, free: 3.887 MB / 0.9167 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.204e-06/1.023, allocations: 16.03 kB / 1.143 GB, free: 3.871 MB / 0.9167 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 0.4034/1.427, allocations: 9.855 MB / 1.153 GB, free: 284.8 MB / 0.9167 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001576/1.428, allocations: 0.66 MB / 1.153 GB, free: 284.8 MB / 0.9167 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003342/1.428, allocations: 57.69 kB / 1.154 GB, free: 284.8 MB / 0.9167 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002096/1.431, allocations: 0.5048 MB / 1.154 GB, free: 284.8 MB / 0.9167 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006254/1.431, allocations: 236.5 kB / 1.154 GB, free: 284.8 MB / 0.9167 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001764/1.431, allocations: 97.91 kB / 1.154 GB, free: 284.8 MB / 0.9167 GB
Notification: Performance of sorting global known variables: time 0.001249/1.433, allocations: 1.001 MB / 1.155 GB, free: 284.7 MB / 0.9167 GB
Notification: Performance of sort global known variables: time 2.8e-07/1.433, allocations: 1.406 kB / 1.155 GB, free: 284.7 MB / 0.9167 GB
Notification: Performance of remove unused functions: time 0.005274/1.438, allocations: 1.853 MB / 1.157 GB, free: 284.7 MB / 0.9167 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 0.01483/1.453, allocations: 10.54 MB / 1.167 GB, free: 282.8 MB / 0.9167 GB
Notification: Performance of simCode: created initialization part: time 0.01922/1.472, allocations: 12.02 MB / 1.179 GB, free: 278.7 MB / 0.9167 GB
Notification: Performance of simCode: created event and clocks part: time 9.808e-06/1.472, allocations: 1.25 kB / 1.179 GB, free: 278.7 MB / 0.9167 GB
Notification: Performance of simCode: created simulation system equations: time 0.006429/1.478, allocations: 4.264 MB / 1.183 GB, free: 277.3 MB / 0.9167 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001608/1.48, allocations: 301.3 kB / 1.184 GB, free: 277.1 MB / 0.9167 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 0.05539/1.535, allocations: 42.12 MB / 1.225 GB, free: 243.6 MB / 0.9167 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00205/1.537, allocations: 2.279 MB / 1.227 GB, free: 241.3 MB / 0.9167 GB
Notification: Performance of simCode: alias equations: time 0.002569/1.54, allocations: 1.664 MB / 1.229 GB, free: 239.6 MB / 0.9167 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001001/1.541, allocations: 1.222 MB / 1.23 GB, free: 238.4 MB / 0.9167 GB
Notification: Performance of SimCode: time 1.553e-06/1.541, allocations: 0 / 1.23 GB, free: 238.4 MB / 0.9167 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09861/1.64, allocations: 104.3 MB / 1.332 GB, free: 134.6 MB / 0.9167 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.583/11.22, allocations: 14.03 kB / 1.332 GB, free: 134.6 MB / 0.9167 GB
"
[Timeout remaining time 649]
(rm -f IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IDEAS_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_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 14.379731216002256]
Failed to read output from testmodel.py, exit status != 0:
11.346088972873986 11.356326514 10.744555872
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7c27230b4530>