Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 10.1.1-maint.10.0.x/package.mo", uses=false)
Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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.BalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.00514/0.00514, allocations: 101.7 kB / 15.73 MB, free: 6.051 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001185/0.001185, allocations: 194.6 kB / 16.67 MB, free: 5.98 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.366/1.366, allocations: 222.9 MB / 240.4 MB, free: 4.34 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.639/2.639, allocations: 437.1 MB / 0.7105 GB, free: 5.035 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001452/0.001452, allocations: 63.91 kB / 1.018 GB, free: 15.12 MB / 0.7794 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3024/0.3038, allocations: 151.6 MB / 1.166 GB, free: 7.383 MB / 0.92 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02191/0.3258, allocations: 18.18 MB / 1.184 GB, free: 5.125 MB / 0.9356 GB
Notification: Performance of NFInst.instExpressions: time 0.01244/0.3382, allocations: 6.793 MB / 1.191 GB, free: 14.31 MB / 0.9512 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0018/0.3401, allocations: 59.81 kB / 1.191 GB, free: 14.25 MB / 0.9512 GB
Notification: Performance of NFTyping.typeComponents: time 0.004765/0.3449, allocations: 1.473 MB / 1.192 GB, free: 12.78 MB / 0.9512 GB
Notification: Performance of NFTyping.typeBindings: time 0.004734/0.3496, allocations: 1.416 MB / 1.194 GB, free: 11.36 MB / 0.9512 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003561/0.3532, allocations: 1.254 MB / 1.195 GB, free: 10.1 MB / 0.9512 GB
Notification: Performance of NFFlatten.flatten: time 0.006203/0.3594, allocations: 5.449 MB / 1.2 GB, free: 4.641 MB / 0.9512 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009484/0.369, allocations: 7.064 MB / 1.207 GB, free: 13.47 MB / 0.9669 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004432/0.3734, allocations: 2.345 MB / 1.209 GB, free: 11.12 MB / 0.9669 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005186/0.3786, allocations: 2.965 MB / 1.212 GB, free: 8.145 MB / 0.9669 GB
Notification: Performance of NFPackage.collectConstants: time 0.001736/0.3804, allocations: 0.5117 MB / 1.213 GB, free: 7.633 MB / 0.9669 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003719/0.3841, allocations: 1.252 MB / 1.214 GB, free: 6.379 MB / 0.9669 GB
Notification: Performance of NFScalarize.scalarize: time 0.003917/0.3881, allocations: 2.246 MB / 1.216 GB, free: 4.129 MB / 0.9669 GB
Notification: Performance of NFVerifyModel.verify: time 0.00491/0.393, allocations: 2.163 MB / 1.218 GB, free: 1.957 MB / 0.9669 GB
Notification: Performance of NFConvertDAE.convert: time 0.01021/0.4033, allocations: 7.725 MB / 1.226 GB, free: 10.21 MB / 0.9825 GB
Notification: Performance of FrontEnd - DAE generated: time 5.26e-06/0.4033, allocations: 3.938 kB / 1.226 GB, free: 10.21 MB / 0.9825 GB
Notification: Performance of FrontEnd: time 1.764e-06/0.4033, allocations: 0 / 1.226 GB, free: 10.21 MB / 0.9825 GB
Notification: Performance of Transformations before backend: time 0.0002543/0.4036, allocations: 4 kB / 1.226 GB, free: 10.2 MB / 0.9825 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01123/0.4148, allocations: 3.78 MB / 1.229 GB, free: 6.363 MB / 0.9825 GB
Notification: Performance of prepare preOptimizeDAE: time 5.175e-05/0.4149, allocations: 12.03 kB / 1.229 GB, free: 6.352 MB / 0.9825 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001813/0.4167, allocations: 0.5384 MB / 1.23 GB, free: 5.805 MB / 0.9825 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01439/0.4311, allocations: 2.407 MB / 1.232 GB, free: 3.391 MB / 0.9825 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006047/0.4372, allocations: 2.182 MB / 1.234 GB, free: 1.16 MB / 0.9825 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002822/0.4375, allocations: 263.2 kB / 1.235 GB, free: 0.9023 MB / 0.9825 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001646/0.4392, allocations: 351.9 kB / 1.235 GB, free: 0.5586 MB / 0.9825 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01925/0.4584, allocations: 7.124 MB / 1.242 GB, free: 9.332 MB / 0.9981 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001625/0.4586, allocations: 4 kB / 1.242 GB, free: 9.328 MB / 0.9981 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001498/0.4601, allocations: 148 kB / 1.242 GB, free: 9.184 MB / 0.9981 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005296/0.4607, allocations: 338 kB / 1.242 GB, free: 8.852 MB / 0.9981 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01803/0.4787, allocations: 7.035 MB / 1.249 GB, free: 1.805 MB / 0.9981 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.6584/1.137, allocations: 26.41 MB / 1.275 GB, free: 56.68 MB / 0.9981 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009425/1.147, allocations: 4.992 MB / 1.28 GB, free: 53.96 MB / 0.9981 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006828/1.153, allocations: 2.614 MB / 1.283 GB, free: 53.19 MB / 0.9981 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003299/1.154, allocations: 132.6 kB / 1.283 GB, free: 53.09 MB / 0.9981 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.078e-05/1.154, allocations: 71.36 kB / 1.283 GB, free: 53.02 MB / 0.9981 GB
Notification: Performance of pre-optimization done (n=208): time 4.449e-06/1.154, allocations: 0 / 1.283 GB, free: 53.02 MB / 0.9981 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 0.1101/1.264, allocations: 30.91 MB / 1.313 GB, free: 42.39 MB / 0.9981 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.325e-05/1.264, allocations: 239.5 kB / 1.313 GB, free: 42.14 MB / 0.9981 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003059/1.267, allocations: 1.424 MB / 1.315 GB, free: 41.37 MB / 0.9981 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007313/1.268, allocations: 66.86 kB / 1.315 GB, free: 41.31 MB / 0.9981 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001045/1.269, allocations: 1.486 MB / 1.316 GB, free: 40 MB / 0.9981 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001322/1.27, allocations: 0.9165 MB / 1.317 GB, free: 39.21 MB / 0.9981 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.002026/1.272, allocations: 0.6362 MB / 1.318 GB, free: 38.86 MB / 0.9981 GB
Notification: Performance of setup shared object (initialization): time 6.703e-05/1.272, allocations: 309 kB / 1.318 GB, free: 38.56 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005827/1.278, allocations: 2.691 MB / 1.321 GB, free: 37.16 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006319/1.285, allocations: 3.577 MB / 1.324 GB, free: 34.63 MB / 0.9981 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01187/1.297, allocations: 6.405 MB / 1.33 GB, free: 30.58 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.714e-05/1.297, allocations: 7.531 kB / 1.33 GB, free: 30.58 MB / 0.9981 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 0.0273/1.324, allocations: 11.04 MB / 1.341 GB, free: 20.25 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 4.105e-05/1.324, allocations: 16 kB / 1.341 GB, free: 20.23 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.184e-05/1.324, allocations: 24 kB / 1.341 GB, free: 20.21 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01866/1.343, allocations: 5.544 MB / 1.346 GB, free: 14.65 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004199/1.347, allocations: 0.9983 MB / 1.347 GB, free: 13.65 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04258/1.39, allocations: 28.18 MB / 1.375 GB, free: 1.027 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005517/1.395, allocations: 0.573 MB / 1.376 GB, free: 464 kB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007241/1.396, allocations: 155.9 kB / 1.376 GB, free: 308 kB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009198/1.405, allocations: 3.984 MB / 1.38 GB, free: 12.31 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007102/1.412, allocations: 3.532 MB / 1.383 GB, free: 8.398 MB / 1.029 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09197/1.504, allocations: 24.64 MB / 1.407 GB, free: 15.25 MB / 1.061 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.979e-05/1.504, allocations: 8 kB / 1.407 GB, free: 15.24 MB / 1.061 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 0.02927/1.534, allocations: 10.54 MB / 1.417 GB, free: 4.562 MB / 1.061 GB
Notification: Performance of prepare postOptimizeDAE: time 4.938e-05/1.534, allocations: 25.53 kB / 1.417 GB, free: 4.539 MB / 1.061 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.839e-05/1.534, allocations: 27.94 kB / 1.417 GB, free: 4.512 MB / 1.061 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01588/1.55, allocations: 4.318 MB / 1.422 GB, free: 184 kB / 1.061 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004931/1.555, allocations: 1.045 MB / 1.423 GB, free: 15.13 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03693/1.592, allocations: 27.1 MB / 1.449 GB, free: 3.332 MB / 1.092 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005002/1.597, allocations: 0.5498 MB / 1.45 GB, free: 2.781 MB / 1.092 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00074/1.597, allocations: 155.9 kB / 1.45 GB, free: 2.629 MB / 1.092 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2]
         0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.001398/1.599, allocations: 402 kB / 1.45 GB, free: 2.23 MB / 1.092 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001093/1.6, allocations: 197.7 kB / 1.45 GB, free: 2.035 MB / 1.092 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 0.02809/1.628, allocations: 10.16 MB / 1.46 GB, free: 7.809 MB / 1.107 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.567e-05/1.628, allocations: 35.94 kB / 1.46 GB, free: 7.773 MB / 1.107 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.106e-05/1.628, allocations: 12 kB / 1.46 GB, free: 7.762 MB / 1.107 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.539e-05/1.628, allocations: 15.95 kB / 1.46 GB, free: 7.746 MB / 1.107 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 0.04255/1.671, allocations: 16.26 MB / 1.476 GB, free: 7.297 MB / 1.123 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.878e-05/1.671, allocations: 8.969 kB / 1.476 GB, free: 7.289 MB / 1.123 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00371/1.675, allocations: 0.7411 MB / 1.477 GB, free: 6.547 MB / 1.123 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01916/1.694, allocations: 5.173 MB / 1.482 GB, free: 1.359 MB / 1.123 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000672/1.694, allocations: 75.95 kB / 1.482 GB, free: 1.285 MB / 1.123 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04304/1.738, allocations: 27.25 MB / 1.509 GB, free: 5.551 MB / 1.154 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.641e-05/1.738, allocations: 19.72 kB / 1.509 GB, free: 5.535 MB / 1.154 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 0.02724/1.765, allocations: 10.1 MB / 1.519 GB, free: 11.2 MB / 1.17 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002453/1.767, allocations: 0.721 MB / 1.519 GB, free: 10.45 MB / 1.17 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008598/1.768, allocations: 48 kB / 1.519 GB, free: 10.41 MB / 1.17 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004137/1.772, allocations: 0.5187 MB / 1.52 GB, free: 9.887 MB / 1.17 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009683/1.773, allocations: 222.4 kB / 1.52 GB, free: 9.672 MB / 1.17 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004166/1.774, allocations: 91.95 kB / 1.52 GB, free: 9.582 MB / 1.17 GB
Notification: Performance of sorting global known variables: time 0.001757/1.776, allocations: 0.9762 MB / 1.521 GB, free: 8.602 MB / 1.17 GB
Notification: Performance of sort global known variables: time 4.31e-07/1.776, allocations: 3.938 kB / 1.521 GB, free: 8.598 MB / 1.17 GB
Notification: Performance of remove unused functions: time 0.007637/1.783, allocations: 1.846 MB / 1.523 GB, free: 6.754 MB / 1.17 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02721/1.81, allocations: 10.75 MB / 1.533 GB, free: 11.74 MB / 1.186 GB
Notification: Performance of simCode: created initialization part: time 0.03074/1.841, allocations: 12.45 MB / 1.546 GB, free: 15.18 MB / 1.201 GB
Notification: Performance of simCode: created event and clocks part: time 1.804e-05/1.841, allocations: 4 kB / 1.546 GB, free: 15.18 MB / 1.201 GB
Notification: Performance of simCode: created simulation system equations: time 0.01124/1.852, allocations: 4.43 MB / 1.55 GB, free: 10.71 MB / 1.201 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003544/1.856, allocations: 260.2 kB / 1.55 GB, free: 10.46 MB / 1.201 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 simCode: created linear, non-linear and system jacobian parts: time 0.1069/1.963, allocations: 41.63 MB / 1.591 GB, free: 15.57 MB / 1.248 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004878/1.968, allocations: 2.836 MB / 1.594 GB, free: 12.7 MB / 1.248 GB
Notification: Performance of simCode: alias equations: time 0.004946/1.973, allocations: 1.668 MB / 1.595 GB, free: 11.03 MB / 1.248 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002047/1.975, allocations: 1.202 MB / 1.596 GB, free: 9.828 MB / 1.248 GB
Notification: Performance of SimCode: time 1.162e-06/1.975, allocations: 0 / 1.596 GB, free: 9.828 MB / 1.248 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1615/2.137, allocations: 102.5 MB / 1.696 GB, free: 3.75 MB / 1.342 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.77/17.91, allocations: 4.812 kB / 1.696 GB, free: 3.746 MB / 1.342 GB
(rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)