Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001267/0.001267, allocations: 107.4 kB / 16.64 MB, free: 6.816 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001265/0.001265, allocations: 194 kB / 17.57 MB, free: 5.918 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.37/1.37, allocations: 222.9 MB / 241.2 MB, free: 15.43 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7612/0.7612, allocations: 122.9 MB / 414.2 MB, free: 84 kB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001423/0.001423, allocations: 59.91 kB / 0.4913 GB, free: 7.797 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3757/0.3771, allocations: 77.92 MB / 0.5674 GB, free: 32.74 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01863/0.3958, allocations: 18.12 MB / 0.5851 GB, free: 20.69 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01001/0.4058, allocations: 6.774 MB / 0.5917 GB, free: 15.48 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002014/0.4079, allocations: 45 kB / 0.5917 GB, free: 15.48 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.003407/0.4114, allocations: 1.364 MB / 0.5931 GB, free: 14.44 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.003646/0.415, allocations: 1.329 MB / 0.5944 GB, free: 13.41 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.003034/0.4181, allocations: 1.163 MB / 0.5955 GB, free: 12.53 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.005597/0.4237, allocations: 5.485 MB / 0.6008 GB, free: 8.641 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.008894/0.4326, allocations: 8.534 MB / 0.6092 GB, free: 64 kB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.004122/0.4368, allocations: 2.38 MB / 0.6115 GB, free: 13.67 MB / 462.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.005059/0.4418, allocations: 3.14 MB / 0.6146 GB, free: 10.52 MB / 462.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.001414/0.4433, allocations: 0.5156 MB / 0.6151 GB, free: 10.01 MB / 462.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.00317/0.4465, allocations: 1.268 MB / 0.6163 GB, free: 8.738 MB / 462.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.003329/0.4498, allocations: 2.25 MB / 0.6185 GB, free: 6.484 MB / 462.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.004866/0.4547, allocations: 2.19 MB / 0.6206 GB, free: 4.285 MB / 462.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.007545/0.4623, allocations: 6.653 MB / 0.6271 GB, free: 13.62 MB / 478.1 MB
Notification: Performance of FrontEnd - DAE generated: time 8.346e-06/0.4623, allocations: 4 kB / 0.6271 GB, free: 13.61 MB / 478.1 MB
Notification: Performance of FrontEnd: time 2.284e-06/0.4623, allocations: 0 / 0.6271 GB, free: 13.61 MB / 478.1 MB
Notification: Performance of Transformations before backend: time 0.0002727/0.4626, allocations: 0 / 0.6271 GB, free: 13.61 MB / 478.1 MB
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 0.009654/0.4723, allocations: 3.828 MB / 0.6309 GB, free: 9.727 MB / 478.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.219e-05/0.4723, allocations: 8.625 kB / 0.6309 GB, free: 9.719 MB / 478.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01336/0.4857, allocations: 2.419 MB / 0.6333 GB, free: 7.293 MB / 478.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005098/0.4908, allocations: 2.167 MB / 0.6354 GB, free: 5.082 MB / 478.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003193/0.4912, allocations: 267.5 kB / 0.6356 GB, free: 4.82 MB / 478.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001664/0.4929, allocations: 351.9 kB / 0.636 GB, free: 4.477 MB / 478.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01893/0.5118, allocations: 7.155 MB / 0.6429 GB, free: 13.22 MB / 494.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001487/0.512, allocations: 7.938 kB / 0.643 GB, free: 13.21 MB / 494.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001273/0.5133, allocations: 148 kB / 0.6431 GB, free: 13.07 MB / 494.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005467/0.5139, allocations: 330.1 kB / 0.6434 GB, free: 12.75 MB / 494.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01844/0.5323, allocations: 7.051 MB / 0.6503 GB, free: 5.68 MB / 494.1 MB
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 0.03886/0.5712, allocations: 26.74 MB / 0.6764 GB, free: 8.758 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009163/0.5804, allocations: 4.983 MB / 0.6813 GB, free: 3.461 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006364/0.5868, allocations: 2.596 MB / 0.6838 GB, free: 0.8555 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000366/0.5872, allocations: 135 kB / 0.6839 GB, free: 0.707 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.617e-05/0.5873, allocations: 56.56 kB / 0.684 GB, free: 0.6406 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=208): time 5.42e-06/0.5873, allocations: 0 / 0.684 GB, free: 0.6406 MB / 0.5137 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 0.1081/0.6955, allocations: 30.96 MB / 0.7142 GB, free: 1.582 MB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001323/0.6956, allocations: 243.5 kB / 0.7145 GB, free: 1.297 MB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00243/0.6981, allocations: 1.469 MB / 0.7159 GB, free: 15.82 MB / 0.5606 GB
Notification: Performance of collectPreVariables (initialization): time 0.000566/0.6987, allocations: 65.7 kB / 0.716 GB, free: 15.75 MB / 0.5606 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001027/0.6997, allocations: 1.509 MB / 0.7174 GB, free: 14.22 MB / 0.5606 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001165/0.7009, allocations: 0.9165 MB / 0.7183 GB, free: 13.29 MB / 0.5606 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001782/0.7027, allocations: 0.6357 MB / 0.719 GB, free: 12.64 MB / 0.5606 GB
Notification: Performance of setup shared object (initialization): time 0.0001045/0.7028, allocations: 305.1 kB / 0.7192 GB, free: 12.34 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006438/0.7092, allocations: 2.686 MB / 0.7219 GB, free: 9.648 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007201/0.7165, allocations: 3.571 MB / 0.7254 GB, free: 5.703 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01363/0.7302, allocations: 6.395 MB / 0.7316 GB, free: 14.91 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.27e-05/0.7302, allocations: 11.94 kB / 0.7316 GB, free: 14.89 MB / 0.5762 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 0.03109/0.7613, allocations: 11.02 MB / 0.7424 GB, free: 3.766 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 5.861e-05/0.7614, allocations: 19.98 kB / 0.7424 GB, free: 3.746 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.227e-05/0.7615, allocations: 24 kB / 0.7424 GB, free: 3.723 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.3078/1.069, allocations: 5.555 MB / 0.7478 GB, free: 152.4 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004872/1.074, allocations: 0.995 MB / 0.7488 GB, free: 152.4 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04366/1.118, allocations: 28.19 MB / 0.7763 GB, free: 138.5 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004916/1.123, allocations: 0.5729 MB / 0.7769 GB, free: 138.4 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006093/1.124, allocations: 150.6 kB / 0.777 GB, free: 138.4 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007257/1.131, allocations: 3.984 MB / 0.7809 GB, free: 137.1 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006135/1.137, allocations: 3.535 MB / 0.7844 GB, free: 135 MB / 0.5762 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08275/1.22, allocations: 24.67 MB / 0.8085 GB, free: 112.5 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.505e-05/1.22, allocations: 8 kB / 0.8085 GB, free: 112.5 MB / 0.5762 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 0.02457/1.244, allocations: 10.53 MB / 0.8188 GB, free: 101.9 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 5.73e-05/1.245, allocations: 19.22 kB / 0.8188 GB, free: 101.9 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.598e-05/1.245, allocations: 24 kB / 0.8188 GB, free: 101.9 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01427/1.259, allocations: 4.336 MB / 0.823 GB, free: 97.55 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00437/1.263, allocations: 1.037 MB / 0.8241 GB, free: 96.51 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02966/1.293, allocations: 27.13 MB / 0.8506 GB, free: 68.72 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004674/1.298, allocations: 0.5613 MB / 0.8511 GB, free: 68.16 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000794/1.299, allocations: 155.9 kB / 0.8513 GB, free: 68.01 MB / 0.5762 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.i1[2] - line2.i3[2]
         0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.001442/1.3, allocations: 390 kB / 0.8516 GB, free: 67.64 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008242/1.301, allocations: 205.5 kB / 0.8518 GB, free: 67.43 MB / 0.5762 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 0.02486/1.326, allocations: 10.16 MB / 0.8617 GB, free: 57.2 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.388e-05/1.326, allocations: 28 kB / 0.8618 GB, free: 57.17 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.853e-05/1.326, allocations: 16 kB / 0.8618 GB, free: 57.15 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.373e-05/1.326, allocations: 15.95 kB / 0.8618 GB, free: 57.14 MB / 0.5762 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 0.03623/1.362, allocations: 16.32 MB / 0.8777 GB, free: 40.65 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.093e-05/1.362, allocations: 15.97 kB / 0.8778 GB, free: 40.64 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003321/1.366, allocations: 0.7294 MB / 0.8785 GB, free: 39.91 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01811/1.384, allocations: 5.193 MB / 0.8835 GB, free: 34.7 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006716/1.384, allocations: 75.95 kB / 0.8836 GB, free: 34.62 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03511/1.42, allocations: 27.25 MB / 0.9102 GB, free: 6.883 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.546e-06/1.42, allocations: 12.03 kB / 0.9102 GB, free: 6.871 MB / 0.5762 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 0.02565/1.445, allocations: 10.1 MB / 0.9201 GB, free: 12.52 MB / 0.5919 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001885/1.447, allocations: 0.7197 MB / 0.9208 GB, free: 11.78 MB / 0.5919 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008246/1.448, allocations: 55.98 kB / 0.9209 GB, free: 11.72 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004167/1.452, allocations: 0.507 MB / 0.9214 GB, free: 11.21 MB / 0.5919 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001034/1.453, allocations: 230.4 kB / 0.9216 GB, free: 10.99 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004723/1.454, allocations: 87.95 kB / 0.9217 GB, free: 10.91 MB / 0.5919 GB
Notification: Performance of sorting global known variables: time 0.001917/1.456, allocations: 0.9972 MB / 0.9226 GB, free: 9.906 MB / 0.5919 GB
Notification: Performance of sort global known variables: time 4.01e-07/1.456, allocations: 7.938 kB / 0.9226 GB, free: 9.898 MB / 0.5919 GB
Notification: Performance of remove unused functions: time 0.008042/1.464, allocations: 1.854 MB / 0.9244 GB, free: 8.047 MB / 0.5919 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)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0007322/1.464, allocations: 182.4 kB / 0.9246 GB, free: 7.867 MB / 0.5919 GB
Notification: Performance of simCode: created initialization part: time 0.03573/1.5, allocations: 14.39 MB / 0.9387 GB, free: 9.387 MB / 0.6075 GB
Notification: Performance of simCode: created event and clocks part: time 1.262e-05/1.5, allocations: 0 / 0.9387 GB, free: 9.387 MB / 0.6075 GB
Notification: Performance of simCode: created simulation system equations: time 0.01165/1.512, allocations: 4.417 MB / 0.943 GB, free: 4.941 MB / 0.6075 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003007/1.515, allocations: 297.5 kB / 0.9433 GB, free: 4.66 MB / 0.6075 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02743/1.542, allocations: 11.7 MB / 0.9547 GB, free: 8.848 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004036/1.547, allocations: 2.916 MB / 0.9575 GB, free: 5.895 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001251/1.548, allocations: 219.2 kB / 0.9578 GB, free: 5.68 MB / 0.6231 GB
Notification: Performance of SimCode: time 1.212e-06/1.548, allocations: 3.938 kB / 0.9578 GB, free: 5.676 MB / 0.6231 GB
Notification: Performance of Templates: time 0.3988/1.947, allocations: 107.8 MB / 1.063 GB, free: 174.9 MB / 0.6544 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)