Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.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/Buildings 9.1.3-maint.9.1.x/package.mo", uses=false)
Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008085/0.008085, allocations: 101.1 kB / 15.73 MB, free: 6.039 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001827/0.001827, allocations: 190.2 kB / 16.67 MB, free: 5.973 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.351/1.351, allocations: 222.9 MB / 240.4 MB, free: 4.156 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.35/2.35, allocations: 390.2 MB / 0.6648 GB, free: 200 kB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.001184/0.001184, allocations: 62.38 kB / 0.9505 GB, free: 6.059 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2639/0.2651, allocations: 140.4 MB / 1.088 GB, free: 2.027 MB / 0.8419 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02202/0.2872, allocations: 18.27 MB / 1.105 GB, free: 15.68 MB / 0.8731 GB
Notification: Performance of NFInst.instExpressions: time 0.01136/0.2986, allocations: 6.851 MB / 1.112 GB, free: 8.812 MB / 0.8731 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001581/0.3002, allocations: 55.88 kB / 1.112 GB, free: 8.758 MB / 0.8731 GB
Notification: Performance of NFTyping.typeComponents: time 0.003858/0.3041, allocations: 1.475 MB / 1.114 GB, free: 7.281 MB / 0.8731 GB
Notification: Performance of NFTyping.typeBindings: time 0.003553/0.3077, allocations: 1.451 MB / 1.115 GB, free: 5.824 MB / 0.8731 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003073/0.3108, allocations: 1.267 MB / 1.116 GB, free: 4.555 MB / 0.8731 GB
Notification: Performance of NFFlatten.flatten: time 0.005718/0.3165, allocations: 5.457 MB / 1.122 GB, free: 15.09 MB / 0.8887 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008983/0.3255, allocations: 7.131 MB / 1.129 GB, free: 7.848 MB / 0.8887 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003534/0.3291, allocations: 2.365 MB / 1.131 GB, free: 5.477 MB / 0.8887 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00444/0.3335, allocations: 2.972 MB / 1.134 GB, free: 2.496 MB / 0.8887 GB
Notification: Performance of NFPackage.collectConstants: time 0.001325/0.3349, allocations: 0.5117 MB / 1.134 GB, free: 1.984 MB / 0.8887 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002922/0.3378, allocations: 1.272 MB / 1.136 GB, free: 0.7109 MB / 0.8887 GB
Notification: Performance of NFScalarize.scalarize: time 0.002937/0.3408, allocations: 2.246 MB / 1.138 GB, free: 14.46 MB / 0.9044 GB
Notification: Performance of NFVerifyModel.verify: time 0.004065/0.3448, allocations: 2.187 MB / 1.14 GB, free: 12.27 MB / 0.9044 GB
Notification: Performance of NFConvertDAE.convert: time 0.009179/0.354, allocations: 7.78 MB / 1.147 GB, free: 4.465 MB / 0.9044 GB
Notification: Performance of FrontEnd - DAE generated: time 5.711e-06/0.3541, allocations: 0 / 1.147 GB, free: 4.465 MB / 0.9044 GB
Notification: Performance of FrontEnd: time 2.154e-06/0.3541, allocations: 0 / 1.147 GB, free: 4.465 MB / 0.9044 GB
Notification: Performance of Transformations before backend: time 0.0002504/0.3543, allocations: 0 / 1.147 GB, free: 4.465 MB / 0.9044 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 0.01224/0.3666, allocations: 3.827 MB / 1.151 GB, free: 0.5781 MB / 0.9044 GB
Notification: Performance of prepare preOptimizeDAE: time 4.747e-05/0.3667, allocations: 12.03 kB / 1.151 GB, free: 0.5664 MB / 0.9044 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001665/0.3683, allocations: 0.5504 MB / 1.152 GB, free: 8 kB / 0.9044 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01379/0.3821, allocations: 2.411 MB / 1.154 GB, free: 13.59 MB / 0.92 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005728/0.3879, allocations: 2.19 MB / 1.156 GB, free: 11.35 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002635/0.3882, allocations: 279.2 kB / 1.156 GB, free: 11.08 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001477/0.3897, allocations: 355.9 kB / 1.157 GB, free: 10.73 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0173/0.407, allocations: 7.151 MB / 1.164 GB, free: 3.48 MB / 0.92 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001232/0.4071, allocations: 3.938 kB / 1.164 GB, free: 3.477 MB / 0.92 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001089/0.4082, allocations: 152 kB / 1.164 GB, free: 3.328 MB / 0.92 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005017/0.4088, allocations: 334.1 kB / 1.164 GB, free: 3 MB / 0.92 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01666/0.4254, allocations: 7.044 MB / 1.171 GB, free: 11.94 MB / 0.9356 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03476/0.4602, allocations: 26.5 MB / 1.197 GB, free: 15.27 MB / 0.9669 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008325/0.4686, allocations: 4.992 MB / 1.202 GB, free: 9.973 MB / 0.9669 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005949/0.4746, allocations: 2.608 MB / 1.204 GB, free: 7.344 MB / 0.9669 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000264/0.4749, allocations: 131 kB / 1.205 GB, free: 7.199 MB / 0.9669 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.001e-05/0.4749, allocations: 72.48 kB / 1.205 GB, free: 7.117 MB / 0.9669 GB
Notification: Performance of pre-optimization done (n=208): time 4.048e-06/0.4749, allocations: 0 / 1.205 GB, free: 7.117 MB / 0.9669 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 0.1075/0.5825, allocations: 30.96 MB / 1.235 GB, free: 8.07 MB / 0.9981 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001247/0.5826, allocations: 247.6 kB / 1.235 GB, free: 7.781 MB / 0.9981 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002494/0.5851, allocations: 1.469 MB / 1.237 GB, free: 6.305 MB / 0.9981 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004916/0.5856, allocations: 69.7 kB / 1.237 GB, free: 6.23 MB / 0.9981 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009394/0.5866, allocations: 1.497 MB / 1.238 GB, free: 4.711 MB / 0.9981 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00115/0.5878, allocations: 0.9203 MB / 1.239 GB, free: 3.777 MB / 0.9981 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001522/0.5893, allocations: 0.6357 MB / 1.24 GB, free: 3.133 MB / 0.9981 GB
Notification: Performance of setup shared object (initialization): time 9.147e-05/0.5894, allocations: 305.1 kB / 1.24 GB, free: 2.832 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005974/0.5954, allocations: 2.69 MB / 1.243 GB, free: 136 kB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006561/0.6019, allocations: 3.571 MB / 1.246 GB, free: 12.18 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0125/0.6145, allocations: 6.399 MB / 1.252 GB, free: 5.383 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.536e-05/0.6145, allocations: 8 kB / 1.252 GB, free: 5.375 MB / 1.014 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 0.5802/1.195, allocations: 10.98 MB / 1.263 GB, free: 153.4 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 5.396e-05/1.195, allocations: 20.64 kB / 1.263 GB, free: 153.4 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.99e-05/1.195, allocations: 26.31 kB / 1.263 GB, free: 153.4 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02285/1.218, allocations: 5.557 MB / 1.268 GB, free: 153.4 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004707/1.222, allocations: 0.9968 MB / 1.269 GB, free: 153.3 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04322/1.266, allocations: 28.17 MB / 1.297 GB, free: 139 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004695/1.27, allocations: 0.5726 MB / 1.297 GB, free: 138.9 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006854/1.271, allocations: 158.9 kB / 1.298 GB, free: 138.9 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008218/1.279, allocations: 3.981 MB / 1.302 GB, free: 137.1 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005998/1.285, allocations: 3.529 MB / 1.305 GB, free: 134.6 MB / 1.014 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07903/1.364, allocations: 24.62 MB / 1.329 GB, free: 116.9 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.753e-05/1.364, allocations: 8 kB / 1.329 GB, free: 116.9 MB / 1.014 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 0.02239/1.387, allocations: 10.53 MB / 1.339 GB, free: 106.3 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 2.851e-05/1.387, allocations: 16 kB / 1.339 GB, free: 106.3 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.204e-05/1.387, allocations: 31.94 kB / 1.339 GB, free: 106.3 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01368/1.401, allocations: 4.321 MB / 1.344 GB, free: 101.9 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00429/1.405, allocations: 1.041 MB / 1.345 GB, free: 100.9 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02842/1.433, allocations: 27.15 MB / 1.371 GB, free: 73.08 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004389/1.438, allocations: 0.561 MB / 1.372 GB, free: 72.52 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000549/1.438, allocations: 147.9 kB / 1.372 GB, free: 72.38 MB / 1.014 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.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001111/1.44, allocations: 407 kB / 1.372 GB, free: 71.99 MB / 1.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006715/1.44, allocations: 201.7 kB / 1.372 GB, free: 71.79 MB / 1.014 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 0.02383/1.464, allocations: 10.17 MB / 1.382 GB, free: 61.55 MB / 1.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.392e-05/1.464, allocations: 31.94 kB / 1.382 GB, free: 61.52 MB / 1.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.015e-05/1.464, allocations: 12 kB / 1.382 GB, free: 61.51 MB / 1.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.134e-05/1.464, allocations: 11.95 kB / 1.382 GB, free: 61.5 MB / 1.014 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 0.03104/1.495, allocations: 16.32 MB / 1.398 GB, free: 45.01 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.508e-05/1.495, allocations: 8 kB / 1.398 GB, free: 45 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003226/1.499, allocations: 0.7374 MB / 1.399 GB, free: 44.26 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01708/1.516, allocations: 5.173 MB / 1.404 GB, free: 39.07 MB / 1.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006495/1.516, allocations: 67.95 kB / 1.404 GB, free: 39 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03416/1.551, allocations: 27.21 MB / 1.431 GB, free: 11.31 MB / 1.014 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.636e-06/1.551, allocations: 15.97 kB / 1.431 GB, free: 11.3 MB / 1.014 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 0.02344/1.574, allocations: 10.14 MB / 1.441 GB, free: 0.918 MB / 1.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001789/1.576, allocations: 0.7346 MB / 1.441 GB, free: 176 kB / 1.014 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005928/1.576, allocations: 52 kB / 1.441 GB, free: 124 kB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003737/1.58, allocations: 0.5109 MB / 1.442 GB, free: 15.61 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008374/1.581, allocations: 222.3 kB / 1.442 GB, free: 15.39 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003126/1.581, allocations: 95.95 kB / 1.442 GB, free: 15.3 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 0.001724/1.583, allocations: 1.001 MB / 1.443 GB, free: 14.29 MB / 1.029 GB
Notification: Performance of sort global known variables: time 3.21e-07/1.583, allocations: 0 / 1.443 GB, free: 14.29 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.006381/1.589, allocations: 1.852 MB / 1.445 GB, free: 12.44 MB / 1.029 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 : 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 Backend phase and start with SimCode phase: time 0.02672/1.616, allocations: 10.81 MB / 1.456 GB, free: 1.375 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.03059/1.647, allocations: 12.45 MB / 1.468 GB, free: 4.832 MB / 1.045 GB
Notification: Performance of simCode: created event and clocks part: time 1.244e-05/1.647, allocations: 64 / 1.468 GB, free: 4.832 MB / 1.045 GB
Notification: Performance of simCode: created simulation system equations: time 0.01137/1.658, allocations: 4.394 MB / 1.472 GB, free: 404 kB / 1.045 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002629/1.661, allocations: 277.9 kB / 1.472 GB, free: 132 kB / 1.045 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.
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 simCode: created linear, non-linear and system jacobian parts: time 0.09917/1.76, allocations: 42.37 MB / 1.514 GB, free: 4.492 MB / 1.092 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003783/1.764, allocations: 2.852 MB / 1.516 GB, free: 1.605 MB / 1.092 GB
Notification: Performance of simCode: alias equations: time 0.004516/1.768, allocations: 1.649 MB / 1.518 GB, free: 15.95 MB / 1.107 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001855/1.77, allocations: 1.225 MB / 1.519 GB, free: 14.73 MB / 1.107 GB
Notification: Performance of SimCode: time 6.02e-07/1.77, allocations: 0 / 1.519 GB, free: 14.73 MB / 1.107 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1808/1.951, allocations: 103.4 MB / 1.62 GB, free: 7.703 MB / 1.201 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.69/17.64, allocations: 4.859 kB / 1.62 GB, free: 7.699 MB / 1.201 GB
(rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)