Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0007982/0.0007982, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.000887/0.000887, allocations: 165.9 kB / 22.45 MB, free: 2.105 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8555/0.8555, allocations: 177.1 MB / 202.8 MB, free: 5.738 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 1.742/1.742, allocations: 389 MB / 0.633 GB, free: 12.7 MB / 0.6042 GB
"
[Timeout remaining time 178]
Using package Buildings with version 13.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.824e-06/1.824e-06, allocations: 0 / 0.9998 GB, free: 13.4 MB / 0.9636 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.271e-05/2.454e-05, allocations: 2.281 kB / 0.9998 GB, free: 13.39 MB / 0.9636 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01394/0.01396, allocations: 17.52 MB / 1.017 GB, free: 11.82 MB / 0.9792 GB
Notification: Performance of NFInst.instExpressions: time 0.008311/0.02227, allocations: 6.667 MB / 1.023 GB, free: 5.129 MB / 0.9792 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001383/0.02365, allocations: 63.75 kB / 1.023 GB, free: 5.066 MB / 0.9792 GB
Notification: Performance of NFTyping.typeComponents: time 0.002485/0.02614, allocations: 1.488 MB / 1.025 GB, free: 3.574 MB / 0.9792 GB
Notification: Performance of NFTyping.typeBindings: time 0.002928/0.02907, allocations: 1.496 MB / 1.026 GB, free: 2.07 MB / 0.9792 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002373/0.03144, allocations: 1.274 MB / 1.028 GB, free: 0.793 MB / 0.9792 GB
Notification: Performance of NFFlatten.flatten: time 0.005186/0.03663, allocations: 5.545 MB / 1.033 GB, free: 11.23 MB / 0.9948 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004278/0.0409, allocations: 3.398 MB / 1.036 GB, free: 7.742 MB / 0.9948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004686/0.04559, allocations: 3.322 MB / 1.04 GB, free: 4.414 MB / 0.9948 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003896/0.04949, allocations: 2.892 MB / 1.042 GB, free: 1.516 MB / 0.9948 GB
Notification: Performance of NFPackage.collectConstants: time 0.00133/0.05082, allocations: 0.5156 MB / 1.043 GB, free: 1 MB / 0.9948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.4384/0.4892, allocations: 1.221 MB / 1.044 GB, free: 54.34 MB / 0.9948 GB
Notification: Performance of NFScalarize.scalarize: time 0.002394/0.4916, allocations: 2.41 MB / 1.046 GB, free: 54.34 MB / 0.9948 GB
Notification: Performance of NFVerifyModel.verify: time 0.002383/0.494, allocations: 1.55 MB / 1.048 GB, free: 54.34 MB / 0.9948 GB
Notification: Performance of NFConvertDAE.convert: time 0.007937/0.502, allocations: 7.986 MB / 1.056 GB, free: 54.09 MB / 0.9948 GB
Notification: Performance of FrontEnd - DAE generated: time 8.757e-06/0.502, allocations: 0 / 1.056 GB, free: 54.09 MB / 0.9948 GB
Notification: Performance of FrontEnd: time 2.244e-06/0.502, allocations: 0 / 1.056 GB, free: 54.09 MB / 0.9948 GB
Notification: Performance of Transformations before backend: time 0.0003189/0.5023, allocations: 5.766 kB / 1.056 GB, free: 54.09 MB / 0.9948 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 0.01063/0.5129, allocations: 3.796 MB / 1.059 GB, free: 52.65 MB / 0.9948 GB
Notification: Performance of prepare preOptimizeDAE: time 4.632e-05/0.513, allocations: 11.12 kB / 1.06 GB, free: 52.65 MB / 0.9948 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009303/0.5139, allocations: 0.5471 MB / 1.06 GB, free: 52.59 MB / 0.9948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006522/0.5204, allocations: 2.436 MB / 1.062 GB, free: 52.39 MB / 0.9948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004063/0.5245, allocations: 2.173 MB / 1.065 GB, free: 52 MB / 0.9948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001544/0.5246, allocations: 266.6 kB / 1.065 GB, free: 52 MB / 0.9948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001272/0.5259, allocations: 354.4 kB / 1.065 GB, free: 52 MB / 0.9948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01179/0.5377, allocations: 7.228 MB / 1.072 GB, free: 49.75 MB / 0.9948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.372e-05/0.5378, allocations: 2.719 kB / 1.072 GB, free: 49.75 MB / 0.9948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004205/0.5382, allocations: 154.7 kB / 1.072 GB, free: 49.64 MB / 0.9948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003442/0.5385, allocations: 334.8 kB / 1.073 GB, free: 49.61 MB / 0.9948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01265/0.5512, allocations: 7.037 MB / 1.08 GB, free: 47.61 MB / 0.9948 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 0.02618/0.5774, allocations: 18.49 MB / 1.098 GB, free: 37.22 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.005384/0.5827, allocations: 3.731 MB / 1.101 GB, free: 35.95 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003686/0.5864, allocations: 2.528 MB / 1.104 GB, free: 35.2 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001766/0.5866, allocations: 47.86 kB / 1.104 GB, free: 35.2 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.235e-05/0.5866, allocations: 64.11 kB / 1.104 GB, free: 35.14 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=208): time 4.488e-06/0.5866, allocations: 0 / 1.104 GB, free: 35.14 MB / 0.9948 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 0.05771/0.6444, allocations: 30.79 MB / 1.134 GB, free: 26.01 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.018e-05/0.6444, allocations: 242.6 kB / 1.134 GB, free: 25.76 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001859/0.6463, allocations: 1.528 MB / 1.136 GB, free: 24.92 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005129/0.6468, allocations: 70.64 kB / 1.136 GB, free: 24.86 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000554/0.6474, allocations: 1.539 MB / 1.137 GB, free: 23.51 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007367/0.6481, allocations: 0.9567 MB / 1.138 GB, free: 22.68 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008453/0.6489, allocations: 0.6272 MB / 1.139 GB, free: 22.34 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 2.937e-05/0.649, allocations: 306.9 kB / 1.139 GB, free: 22.04 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003531/0.6525, allocations: 2.687 MB / 1.142 GB, free: 20.64 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003597/0.6561, allocations: 3.651 MB / 1.145 GB, free: 18.05 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007055/0.6632, allocations: 6.397 MB / 1.151 GB, free: 14.14 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.928e-05/0.6632, allocations: 7.969 kB / 1.151 GB, free: 14.14 MB / 0.9948 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 0.01557/0.6787, allocations: 10.81 MB / 1.162 GB, free: 7.957 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 3.486e-05/0.6788, allocations: 16 kB / 1.162 GB, free: 7.941 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.766e-05/0.6788, allocations: 28 kB / 1.162 GB, free: 7.914 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.009939/0.6888, allocations: 5.535 MB / 1.167 GB, free: 2.371 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002489/0.6912, allocations: 0.9837 MB / 1.168 GB, free: 1.422 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.028/0.7193, allocations: 27.5 MB / 1.195 GB, free: 5.641 MB / 1.026 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003147/0.7224, allocations: 0.5733 MB / 1.196 GB, free: 5.066 MB / 1.026 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004865/0.7229, allocations: 148 kB / 1.196 GB, free: 4.922 MB / 1.026 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005952/0.7288, allocations: 3.987 MB / 1.2 GB, free: 0.9297 MB / 1.026 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004286/0.7331, allocations: 3.606 MB / 1.203 GB, free: 12.93 MB / 1.042 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04698/0.7801, allocations: 24.47 MB / 1.227 GB, free: 4.109 MB / 1.057 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.255e-05/0.7801, allocations: 8 kB / 1.227 GB, free: 4.102 MB / 1.057 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 0.0157/0.7958, allocations: 10.17 MB / 1.237 GB, free: 10.07 MB / 1.073 GB
Notification: Performance of prepare postOptimizeDAE: time 3.205e-05/0.7959, allocations: 19.98 kB / 1.237 GB, free: 10.05 MB / 1.073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.973e-05/0.7959, allocations: 28 kB / 1.237 GB, free: 10.03 MB / 1.073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008053/0.804, allocations: 4.317 MB / 1.241 GB, free: 5.699 MB / 1.073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002673/0.8066, allocations: 1.039 MB / 1.243 GB, free: 4.68 MB / 1.073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02229/0.8289, allocations: 26.25 MB / 1.268 GB, free: 9.887 MB / 1.104 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002892/0.8318, allocations: 0.5615 MB / 1.269 GB, free: 9.324 MB / 1.104 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003873/0.8322, allocations: 159.9 kB / 1.269 GB, free: 9.168 MB / 1.104 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 0.0007577/0.833, allocations: 393.2 kB / 1.269 GB, free: 8.777 MB / 1.104 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004777/0.8334, allocations: 214.7 kB / 1.269 GB, free: 8.566 MB / 1.104 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 0.01458/0.848, allocations: 9.931 MB / 1.279 GB, free: 14.6 MB / 1.12 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.101e-05/0.8481, allocations: 28 kB / 1.279 GB, free: 14.57 MB / 1.12 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.745e-05/0.8481, allocations: 16 kB / 1.279 GB, free: 14.56 MB / 1.12 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.989e-05/0.8481, allocations: 11.95 kB / 1.279 GB, free: 14.55 MB / 1.12 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 0.02223/0.8703, allocations: 15.37 MB / 1.294 GB, free: 15.06 MB / 1.135 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.15e-05/0.8704, allocations: 8 kB / 1.294 GB, free: 15.05 MB / 1.135 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001856/0.8722, allocations: 0.7336 MB / 1.295 GB, free: 14.32 MB / 1.135 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009716/0.8819, allocations: 5.173 MB / 1.3 GB, free: 9.125 MB / 1.135 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005155/0.8825, allocations: 75.89 kB / 1.3 GB, free: 9.051 MB / 1.135 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02515/0.9076, allocations: 26.55 MB / 1.326 GB, free: 14.1 MB / 1.167 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.085e-06/0.9076, allocations: 16.02 kB / 1.326 GB, free: 14.09 MB / 1.167 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 0.01521/0.9228, allocations: 9.843 MB / 1.336 GB, free: 4.027 MB / 1.167 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001659/0.9245, allocations: 0.6621 MB / 1.336 GB, free: 3.367 MB / 1.167 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004239/0.9249, allocations: 59.98 kB / 1.336 GB, free: 3.309 MB / 1.167 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002092/0.927, allocations: 0.5186 MB / 1.337 GB, free: 2.789 MB / 1.167 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005852/0.9276, allocations: 234.4 kB / 1.337 GB, free: 2.562 MB / 1.167 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001545/0.9277, allocations: 87.95 kB / 1.337 GB, free: 2.477 MB / 1.167 GB
Notification: Performance of sorting global known variables: time 0.001099/0.9288, allocations: 1.001 MB / 1.338 GB, free: 1.473 MB / 1.167 GB
Notification: Performance of sort global known variables: time 8e-08/0.9288, allocations: 0 / 1.338 GB, free: 1.473 MB / 1.167 GB
Notification: Performance of remove unused functions: time 0.005262/0.9341, allocations: 1.856 MB / 1.34 GB, free: 15.61 MB / 1.182 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 0.01489/0.949, allocations: 10.52 MB / 1.35 GB, free: 4.879 MB / 1.182 GB
Notification: Performance of simCode: created initialization part: time 0.01872/0.9677, allocations: 12.01 MB / 1.362 GB, free: 8.793 MB / 1.198 GB
Notification: Performance of simCode: created event and clocks part: time 8.816e-06/0.9677, allocations: 192 / 1.362 GB, free: 8.793 MB / 1.198 GB
Notification: Performance of simCode: created simulation system equations: time 0.006427/0.9741, allocations: 4.268 MB / 1.366 GB, free: 4.488 MB / 1.198 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001811/0.976, allocations: 288.8 kB / 1.366 GB, free: 4.207 MB / 1.198 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.
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.conv1.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.conv1.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 0.06559/1.042, allocations: 42.18 MB / 1.408 GB, free: 8.809 MB / 1.245 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002804/1.044, allocations: 2.289 MB / 1.41 GB, free: 6.48 MB / 1.245 GB
Notification: Performance of simCode: alias equations: time 0.003053/1.047, allocations: 1.664 MB / 1.411 GB, free: 4.812 MB / 1.245 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00149/1.049, allocations: 1.227 MB / 1.413 GB, free: 3.582 MB / 1.245 GB
Notification: Performance of SimCode: time 1.342e-06/1.049, allocations: 3.938 kB / 1.413 GB, free: 3.578 MB / 1.245 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1141/1.163, allocations: 104.5 MB / 1.515 GB, free: 11.71 MB / 1.354 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.15/11.32, allocations: 10.44 kB / 1.515 GB, free: 11.7 MB / 1.354 GB
"
[Timeout remaining time 289]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 15.419266058132052]
Failed to read output from testmodel.py, exit status != 0:
11.441292227245867 11.448784612 10.944782823
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x71f21ddc9400>