Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001368/0.001368, allocations: 98.94 kB / 16.26 MB, free: 5.934 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001523/0.001523, allocations: 191.9 kB / 17.2 MB, free: 5.574 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.396/1.396, allocations: 222.9 MB / 240.9 MB, free: 15.21 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7831/0.7831, allocations: 122.9 MB / 413.9 MB, free: 15.89 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001313/0.001313, allocations: 67.89 kB / 0.4911 GB, free: 7.359 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4014/0.4027, allocations: 77.92 MB / 0.5672 GB, free: 32.65 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01989/0.4226, allocations: 18.24 MB / 0.585 GB, free: 20.45 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01179/0.4345, allocations: 6.87 MB / 0.5917 GB, free: 15.05 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00235/0.4369, allocations: 56 kB / 0.5918 GB, free: 15.04 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.00406/0.441, allocations: 1.466 MB / 0.5932 GB, free: 13.89 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.004337/0.4453, allocations: 1.449 MB / 0.5946 GB, free: 12.75 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.003379/0.4487, allocations: 1.27 MB / 0.5959 GB, free: 11.75 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.005666/0.4544, allocations: 5.47 MB / 0.6012 GB, free: 7.887 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.005772/0.4602, allocations: 7.242 MB / 0.6083 GB, free: 0.5938 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.00302/0.4632, allocations: 2.361 MB / 0.6106 GB, free: 14.22 MB / 462.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.004155/0.4674, allocations: 2.976 MB / 0.6135 GB, free: 11.24 MB / 462.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.001011/0.4684, allocations: 0.5117 MB / 0.614 GB, free: 10.73 MB / 462.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.002857/0.4713, allocations: 1.272 MB / 0.6153 GB, free: 9.453 MB / 462.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.002788/0.4741, allocations: 2.25 MB / 0.6175 GB, free: 7.199 MB / 462.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.003952/0.4781, allocations: 2.187 MB / 0.6196 GB, free: 5.004 MB / 462.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.009705/0.4878, allocations: 7.736 MB / 0.6271 GB, free: 13.25 MB / 478.1 MB
Notification: Performance of FrontEnd - DAE generated: time 8.846e-06/0.4878, allocations: 4 kB / 0.6271 GB, free: 13.24 MB / 478.1 MB
Notification: Performance of FrontEnd: time 3.175e-06/0.4878, allocations: 0 / 0.6271 GB, free: 13.24 MB / 478.1 MB
Notification: Performance of Transformations before backend: time 0.0002066/0.488, allocations: 0 / 0.6271 GB, free: 13.24 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 0.0102/0.4983, allocations: 3.819 MB / 0.6309 GB, free: 9.363 MB / 478.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.755e-05/0.4983, allocations: 12.56 kB / 0.6309 GB, free: 9.352 MB / 478.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01397/0.5123, allocations: 2.419 MB / 0.6333 GB, free: 6.926 MB / 478.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007288/0.5197, allocations: 2.159 MB / 0.6354 GB, free: 4.723 MB / 478.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003153/0.52, allocations: 267.5 kB / 0.6356 GB, free: 4.461 MB / 478.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001896/0.5219, allocations: 355.8 kB / 0.636 GB, free: 4.113 MB / 478.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01883/0.5408, allocations: 7.159 MB / 0.6429 GB, free: 12.85 MB / 494.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001067/0.541, allocations: 7.938 kB / 0.643 GB, free: 12.84 MB / 494.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005041/0.5415, allocations: 148 kB / 0.6431 GB, free: 12.7 MB / 494.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006248/0.5421, allocations: 330.1 kB / 0.6434 GB, free: 12.38 MB / 494.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01841/0.5605, allocations: 7.048 MB / 0.6503 GB, free: 5.316 MB / 494.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.042/0.6026, allocations: 26.69 MB / 0.6764 GB, free: 8.449 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009014/0.6116, allocations: 4.991 MB / 0.6812 GB, free: 3.156 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006028/0.6177, allocations: 2.592 MB / 0.6838 GB, free: 0.5469 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003485/0.6181, allocations: 135 kB / 0.6839 GB, free: 408 kB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.691e-05/0.6182, allocations: 60.5 kB / 0.684 GB, free: 336 kB / 0.5137 GB
Notification: Performance of pre-optimization done (n=208): time 4.969e-06/0.6182, allocations: 0 / 0.684 GB, free: 336 kB / 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.conv2.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.conv2.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 0.1115/0.7297, allocations: 30.96 MB / 0.7142 GB, free: 1.277 MB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001487/0.7298, allocations: 235.6 kB / 0.7144 GB, free: 1 MB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002539/0.7324, allocations: 1.473 MB / 0.7158 GB, free: 15.52 MB / 0.5606 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005956/0.733, allocations: 65.7 kB / 0.7159 GB, free: 15.45 MB / 0.5606 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001093/0.7341, allocations: 1.501 MB / 0.7174 GB, free: 13.93 MB / 0.5606 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001192/0.7353, allocations: 0.9204 MB / 0.7183 GB, free: 12.99 MB / 0.5606 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001581/0.7369, allocations: 0.6318 MB / 0.7189 GB, free: 12.35 MB / 0.5606 GB
Notification: Performance of setup shared object (initialization): time 0.0001025/0.737, allocations: 309 kB / 0.7192 GB, free: 12.05 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006127/0.7432, allocations: 2.682 MB / 0.7218 GB, free: 9.355 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007011/0.7502, allocations: 3.567 MB / 0.7253 GB, free: 5.406 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01295/0.7632, allocations: 6.399 MB / 0.7315 GB, free: 14.61 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.632e-05/0.7633, allocations: 8 kB / 0.7315 GB, free: 14.6 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.conv2.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.conv2.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 0.03033/0.7936, allocations: 10.98 MB / 0.7423 GB, free: 3.516 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 5.984e-05/0.7937, allocations: 16 kB / 0.7423 GB, free: 3.5 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.898e-05/0.7938, allocations: 31.94 kB / 0.7423 GB, free: 3.469 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.3195/1.113, allocations: 5.571 MB / 0.7478 GB, free: 153.4 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004959/1.118, allocations: 0.9997 MB / 0.7487 GB, free: 153.4 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04236/1.161, allocations: 28.17 MB / 0.7762 GB, free: 139.5 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004475/1.165, allocations: 0.5739 MB / 0.7768 GB, free: 139.5 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003919/1.166, allocations: 156.2 kB / 0.777 GB, free: 139.4 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006921/1.173, allocations: 3.978 MB / 0.7808 GB, free: 137.9 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006118/1.179, allocations: 3.542 MB / 0.7843 GB, free: 135.5 MB / 0.5762 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08057/1.259, allocations: 24.66 MB / 0.8084 GB, free: 112.9 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.811e-05/1.259, allocations: 8 kB / 0.8084 GB, free: 112.9 MB / 0.5762 GB
Warning: The linear system: 
1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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.conv2.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]
]
 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_lambda0): time 0.02337/1.283, allocations: 10.53 MB / 0.8187 GB, free: 102.3 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 3.622e-05/1.283, allocations: 16 kB / 0.8187 GB, free: 102.3 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.005e-05/1.283, allocations: 28.56 kB / 0.8187 GB, free: 102.3 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01353/1.296, allocations: 4.336 MB / 0.823 GB, free: 97.93 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004497/1.301, allocations: 1.037 MB / 0.824 GB, free: 96.89 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02821/1.329, allocations: 27.15 MB / 0.8505 GB, free: 69.07 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004752/1.334, allocations: 0.558 MB / 0.851 GB, free: 68.52 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004786/1.335, allocations: 151.9 kB / 0.8512 GB, free: 68.37 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.i1[2]) - line2.i2[2] - line2.i3[2]
         0.0 = (-line2.i1[1]) - line2.i2[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 0.0009778/1.336, allocations: 399.5 kB / 0.8516 GB, free: 67.99 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005697/1.336, allocations: 201.6 kB / 0.8517 GB, free: 67.79 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02351/1.36, allocations: 10.17 MB / 0.8617 GB, free: 57.55 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.662e-05/1.36, allocations: 25.2 kB / 0.8617 GB, free: 57.53 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.661e-05/1.36, allocations: 16 kB / 0.8617 GB, free: 57.52 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.648e-05/1.36, allocations: 11.95 kB / 0.8617 GB, free: 57.5 MB / 0.5762 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
4 : transformer.conv2.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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  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.conv2.V2[1]
]
 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 0.03223/1.392, allocations: 16.36 MB / 0.8777 GB, free: 40.97 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.061e-05/1.392, allocations: 11.94 kB / 0.8777 GB, free: 40.96 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003226/1.395, allocations: 0.7335 MB / 0.8784 GB, free: 40.23 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01716/1.413, allocations: 5.2 MB / 0.8835 GB, free: 35.01 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006613/1.413, allocations: 75.95 kB / 0.8836 GB, free: 34.94 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05149/1.465, allocations: 27.23 MB / 0.9102 GB, free: 7.227 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.043e-05/1.465, allocations: 12.03 kB / 0.9102 GB, free: 7.215 MB / 0.5762 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03539/1.5, allocations: 10.13 MB / 0.9201 GB, free: 12.83 MB / 0.5919 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00236/1.503, allocations: 0.7267 MB / 0.9208 GB, free: 12.09 MB / 0.5919 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007578/1.503, allocations: 62.23 kB / 0.9208 GB, free: 12.03 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004834/1.508, allocations: 0.5031 MB / 0.9213 GB, free: 11.52 MB / 0.5919 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001111/1.509, allocations: 226.4 kB / 0.9216 GB, free: 11.3 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003437/1.51, allocations: 91.95 kB / 0.9216 GB, free: 11.21 MB / 0.5919 GB
Notification: Performance of sorting global known variables: time 0.002044/1.512, allocations: 1.005 MB / 0.9226 GB, free: 10.21 MB / 0.5919 GB
Notification: Performance of sort global known variables: time 2.1e-07/1.512, allocations: 0 / 0.9226 GB, free: 10.21 MB / 0.5919 GB
Notification: Performance of remove unused functions: time 0.008506/1.52, allocations: 1.855 MB / 0.9244 GB, free: 8.352 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 0.0006031/1.521, allocations: 177.6 kB / 0.9246 GB, free: 8.172 MB / 0.5919 GB
Notification: Performance of simCode: created initialization part: time 0.04624/1.567, allocations: 14.39 MB / 0.9387 GB, free: 9.699 MB / 0.6075 GB
Notification: Performance of simCode: created event and clocks part: time 2.419e-05/1.567, allocations: 0 / 0.9387 GB, free: 9.699 MB / 0.6075 GB
Notification: Performance of simCode: created simulation system equations: time 0.01444/1.582, allocations: 4.39 MB / 0.9429 GB, free: 5.273 MB / 0.6075 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00365/1.585, allocations: 283 kB / 0.9432 GB, free: 5 MB / 0.6075 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03277/1.618, allocations: 9.555 MB / 0.9525 GB, free: 11.32 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004206/1.622, allocations: 2.849 MB / 0.9553 GB, free: 8.438 MB / 0.6231 GB
Notification: Performance of simCode: alias equations: time 0.006092/1.629, allocations: 1.668 MB / 0.957 GB, free: 6.766 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008493/1.629, allocations: 175.3 kB / 0.9571 GB, free: 6.594 MB / 0.6231 GB
Notification: Performance of SimCode: time 6.31e-07/1.629, allocations: 3.938 kB / 0.9571 GB, free: 6.59 MB / 0.6231 GB
Notification: Performance of Templates: time 0.4482/2.078, allocations: 78.12 MB / 1.033 GB, free: 203.3 MB / 0.6544 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)