Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 11.0.1-master/package.mo", uses=false)
Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_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_latest_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 0.001884/0.001884, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002016/0.002016, allocations: 196.6 kB / 16.53 MB, free: 6.664 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.363/1.363, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.745/2.745, allocations: 469.4 MB / 0.742 GB, free: 7.668 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001489/0.001489, allocations: 64.81 kB / 0.9083 GB, free: 34.44 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2857/0.2872, allocations: 159.1 MB / 1.064 GB, free: 14.46 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02144/0.3087, allocations: 18.17 MB / 1.081 GB, free: 12.21 MB / 0.8419 GB
Notification: Performance of NFInst.instExpressions: time 0.01142/0.3202, allocations: 6.812 MB / 1.088 GB, free: 5.387 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00153/0.3217, allocations: 59.81 kB / 1.088 GB, free: 5.328 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.003874/0.3256, allocations: 1.461 MB / 1.09 GB, free: 3.863 MB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.003406/0.3291, allocations: 1.42 MB / 1.091 GB, free: 2.438 MB / 0.8419 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00315/0.3322, allocations: 1.257 MB / 1.092 GB, free: 1.18 MB / 0.8419 GB
Notification: Performance of NFFlatten.flatten: time 0.005608/0.3378, allocations: 5.441 MB / 1.098 GB, free: 11.73 MB / 0.8575 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009073/0.3469, allocations: 7.182 MB / 1.105 GB, free: 4.43 MB / 0.8575 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003906/0.3509, allocations: 2.345 MB / 1.107 GB, free: 2.078 MB / 0.8575 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004676/0.3556, allocations: 2.953 MB / 1.11 GB, free: 15.12 MB / 0.8731 GB
Notification: Performance of NFPackage.collectConstants: time 0.001485/0.3571, allocations: 0.5117 MB / 1.11 GB, free: 14.61 MB / 0.8731 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003107/0.3602, allocations: 1.252 MB / 1.111 GB, free: 13.35 MB / 0.8731 GB
Notification: Performance of NFScalarize.scalarize: time 0.003598/0.3639, allocations: 2.246 MB / 1.114 GB, free: 11.1 MB / 0.8731 GB
Notification: Performance of NFVerifyModel.verify: time 0.004401/0.3683, allocations: 2.179 MB / 1.116 GB, free: 8.914 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.009543/0.3779, allocations: 7.682 MB / 1.123 GB, free: 1.211 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 4.939e-06/0.3779, allocations: 0 / 1.123 GB, free: 1.211 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 1.674e-06/0.3779, allocations: 0 / 1.123 GB, free: 1.211 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 0.0002155/0.3781, allocations: 0 / 1.123 GB, free: 1.211 MB / 0.8731 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 0.01129/0.3894, allocations: 3.784 MB / 1.127 GB, free: 13.36 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.984e-05/0.3895, allocations: 8.031 kB / 1.127 GB, free: 13.36 MB / 0.8887 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001736/0.3912, allocations: 0.5384 MB / 1.127 GB, free: 12.81 MB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01465/0.4059, allocations: 2.407 MB / 1.13 GB, free: 10.39 MB / 0.8887 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006534/0.4125, allocations: 2.151 MB / 1.132 GB, free: 8.199 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003071/0.4128, allocations: 271.2 kB / 1.132 GB, free: 7.934 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001696/0.4145, allocations: 344 kB / 1.133 GB, free: 7.598 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01882/0.4334, allocations: 7.13 MB / 1.139 GB, free: 376 kB / 0.8887 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001542/0.4336, allocations: 7.906 kB / 1.139 GB, free: 368 kB / 0.8887 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001268/0.4349, allocations: 148 kB / 1.14 GB, free: 220 kB / 0.8887 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005232/0.4354, allocations: 330 kB / 1.14 GB, free: 15.89 MB / 0.9044 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01725/0.4527, allocations: 7.035 MB / 1.147 GB, free: 8.844 MB / 0.9044 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 0.03707/0.4898, allocations: 26.61 MB / 1.173 GB, free: 12.06 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009806/0.4996, allocations: 4.998 MB / 1.178 GB, free: 6.766 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006445/0.5061, allocations: 2.593 MB / 1.18 GB, free: 4.156 MB / 0.9356 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003542/0.5065, allocations: 139 kB / 1.18 GB, free: 4.004 MB / 0.9356 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.129e-05/0.5066, allocations: 60.5 kB / 1.18 GB, free: 3.934 MB / 0.9356 GB
Notification: Performance of pre-optimization done (n=208): time 4.709e-06/0.5066, allocations: 0 / 1.18 GB, free: 3.934 MB / 0.9356 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 0.1111/0.6177, allocations: 30.89 MB / 1.211 GB, free: 4.957 MB / 0.9669 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001104/0.6178, allocations: 235.6 kB / 1.211 GB, free: 4.68 MB / 0.9669 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0023/0.6202, allocations: 1.439 MB / 1.212 GB, free: 3.23 MB / 0.9669 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005897/0.6208, allocations: 69.7 kB / 1.212 GB, free: 3.156 MB / 0.9669 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009918/0.6218, allocations: 1.482 MB / 1.214 GB, free: 1.652 MB / 0.9669 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001266/0.623, allocations: 0.9281 MB / 1.215 GB, free: 0.7109 MB / 0.9669 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001755/0.6248, allocations: 0.6318 MB / 1.215 GB, free: 72 kB / 0.9669 GB
Notification: Performance of setup shared object (initialization): time 9.895e-05/0.6249, allocations: 301.1 kB / 1.216 GB, free: 15.77 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006455/0.6314, allocations: 2.698 MB / 1.218 GB, free: 13.07 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007204/0.6386, allocations: 3.571 MB / 1.222 GB, free: 9.117 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01407/0.6527, allocations: 6.402 MB / 1.228 GB, free: 2.316 MB / 0.9825 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.348e-05/0.6528, allocations: 8 kB / 1.228 GB, free: 2.309 MB / 0.9825 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 0.03081/0.6836, allocations: 11.02 MB / 1.239 GB, free: 7.176 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 4.435e-05/0.6837, allocations: 16 kB / 1.239 GB, free: 7.16 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.41e-05/0.6837, allocations: 27.94 kB / 1.239 GB, free: 7.133 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02103/0.7048, allocations: 5.56 MB / 1.244 GB, free: 1.555 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004885/0.7097, allocations: 1.002 MB / 1.245 GB, free: 0.5508 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6007/1.31, allocations: 28.18 MB / 1.273 GB, free: 156.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004787/1.315, allocations: 0.5809 MB / 1.273 GB, free: 156.5 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004902/1.316, allocations: 153.5 kB / 1.273 GB, free: 156.5 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008371/1.324, allocations: 3.982 MB / 1.277 GB, free: 155.2 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006107/1.33, allocations: 3.532 MB / 1.281 GB, free: 153.3 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08491/1.415, allocations: 24.68 MB / 1.305 GB, free: 144.2 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.252e-05/1.415, allocations: 12.81 kB / 1.305 GB, free: 144.2 MB / 0.9981 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 0.02271/1.438, allocations: 10.53 MB / 1.315 GB, free: 136 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 3.013e-05/1.438, allocations: 22.38 kB / 1.315 GB, free: 136 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.287e-05/1.438, allocations: 24 kB / 1.315 GB, free: 135.9 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0143/1.452, allocations: 4.351 MB / 1.319 GB, free: 131.6 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0047/1.457, allocations: 1.04 MB / 1.32 GB, free: 130.5 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02818/1.485, allocations: 27.11 MB / 1.347 GB, free: 102.8 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004328/1.49, allocations: 0.5535 MB / 1.347 GB, free: 102.2 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003364/1.49, allocations: 163.8 kB / 1.348 GB, free: 102.1 MB / 0.9981 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2]
         0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0008507/1.491, allocations: 402.4 kB / 1.348 GB, free: 101.7 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005069/1.491, allocations: 197.7 kB / 1.348 GB, free: 101.5 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 postOpt wrapFunctionCalls (simulation): time 0.0241/1.516, allocations: 10.16 MB / 1.358 GB, free: 91.26 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.218e-05/1.516, allocations: 28 kB / 1.358 GB, free: 91.23 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.752e-05/1.516, allocations: 16 kB / 1.358 GB, free: 91.22 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.576e-05/1.516, allocations: 15.95 kB / 1.358 GB, free: 91.2 MB / 0.9981 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 0.03214/1.548, allocations: 16.3 MB / 1.374 GB, free: 74.75 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.932e-05/1.548, allocations: 8 kB / 1.374 GB, free: 74.74 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003383/1.551, allocations: 0.7335 MB / 1.375 GB, free: 74 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01783/1.569, allocations: 5.204 MB / 1.38 GB, free: 68.78 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006142/1.57, allocations: 67.95 kB / 1.38 GB, free: 68.71 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03386/1.604, allocations: 27.27 MB / 1.407 GB, free: 40.96 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.081e-06/1.604, allocations: 15.69 kB / 1.407 GB, free: 40.95 MB / 0.9981 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 0.02306/1.627, allocations: 10.08 MB / 1.416 GB, free: 30.62 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001443/1.628, allocations: 0.7171 MB / 1.417 GB, free: 29.88 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004099/1.629, allocations: 59.98 kB / 1.417 GB, free: 29.82 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003456/1.632, allocations: 0.5031 MB / 1.418 GB, free: 29.32 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006733/1.633, allocations: 234.3 kB / 1.418 GB, free: 29.09 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001988/1.633, allocations: 91.95 kB / 1.418 GB, free: 29 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001157/1.634, allocations: 0.9723 MB / 1.419 GB, free: 28.02 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 2.51e-07/1.634, allocations: 4 kB / 1.419 GB, free: 28.02 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.005192/1.639, allocations: 1.844 MB / 1.421 GB, free: 26.18 MB / 0.9981 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 0.02302/1.662, allocations: 10.75 MB / 1.431 GB, free: 15.18 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.03064/1.693, allocations: 14.4 MB / 1.445 GB, free: 0.707 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.342e-05/1.693, allocations: 0 / 1.445 GB, free: 0.707 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.01324/1.706, allocations: 4.425 MB / 1.45 GB, free: 12.25 MB / 1.014 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002232/1.709, allocations: 274.3 kB / 1.45 GB, free: 11.98 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.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 0.1011/1.81, allocations: 43.28 MB / 1.492 GB, free: 14.76 MB / 1.061 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00317/1.813, allocations: 2.833 MB / 1.495 GB, free: 11.89 MB / 1.061 GB
Notification: Performance of simCode: alias equations: time 0.005341/1.818, allocations: 1.649 MB / 1.496 GB, free: 10.24 MB / 1.061 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001785/1.82, allocations: 1.202 MB / 1.498 GB, free: 9.039 MB / 1.061 GB
Notification: Performance of SimCode: time 7.41e-07/1.82, allocations: 4 kB / 1.498 GB, free: 9.035 MB / 1.061 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1715/1.992, allocations: 101.2 MB / 1.596 GB, free: 4.223 MB / 1.154 GB
Notification: Performance of buildModelFMU: Generate platform static: time 13.05/15.05, allocations: 2.625 kB / 1.596 GB, free: 4.223 MB / 1.154 GB
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_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_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)