Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 0.0007779/0.0007779, 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 0.0008057/0.0008057, allocations: 169.9 kB / 22.46 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 0.8757/0.8757, allocations: 177.1 MB / 202.8 MB, free: 5.75 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 1.631/1.631, allocations: 377.9 MB / 0.6221 GB, free: 8.676 MB / 0.5886 GB
"
[Timeout remaining time 178]
Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/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.BalancedStepUp.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.654e-06/1.654e-06, allocations: 0 / 0.9811 GB, free: 2.512 MB / 0.9323 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.685e-05/1.85e-05, allocations: 4.953 kB / 0.9811 GB, free: 2.508 MB / 0.9323 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01721/0.01723, allocations: 17.45 MB / 0.9981 GB, free: 0.9961 MB / 0.948 GB
Notification: Performance of NFInst.instExpressions: time 0.007127/0.02436, allocations: 6.66 MB / 1.005 GB, free: 10.32 MB / 0.9636 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0006401/0.025, allocations: 63.75 kB / 1.005 GB, free: 10.26 MB / 0.9636 GB
Notification: Performance of NFTyping.typeComponents: time 0.00187/0.02687, allocations: 1.48 MB / 1.006 GB, free: 8.773 MB / 0.9636 GB
Notification: Performance of NFTyping.typeBindings: time 0.001939/0.02881, allocations: 1.477 MB / 1.008 GB, free: 7.289 MB / 0.9636 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001844/0.03065, allocations: 1.272 MB / 1.009 GB, free: 6.016 MB / 0.9636 GB
Notification: Performance of NFFlatten.flatten: time 0.003835/0.03449, allocations: 5.526 MB / 1.014 GB, free: 488 kB / 0.9636 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002871/0.03736, allocations: 3.339 MB / 1.017 GB, free: 13.04 MB / 0.9792 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002907/0.04026, allocations: 3.31 MB / 1.021 GB, free: 9.727 MB / 0.9792 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002227/0.04249, allocations: 2.872 MB / 1.023 GB, free: 6.848 MB / 0.9792 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004233/0.04291, allocations: 0.5156 MB / 1.024 GB, free: 6.332 MB / 0.9792 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001729/0.04464, allocations: 1.205 MB / 1.025 GB, free: 5.125 MB / 0.9792 GB
Notification: Performance of NFScalarize.scalarize: time 0.001259/0.0459, allocations: 2.409 MB / 1.028 GB, free: 2.711 MB / 0.9792 GB
Notification: Performance of NFVerifyModel.verify: time 0.001044/0.04695, allocations: 1.536 MB / 1.029 GB, free: 1.172 MB / 0.9792 GB
Notification: Performance of NFConvertDAE.convert: time 0.004595/0.05154, allocations: 7.956 MB / 1.037 GB, free: 9.195 MB / 0.9948 GB
Notification: Performance of FrontEnd - DAE generated: time 3.937e-06/0.05155, allocations: 0 / 1.037 GB, free: 9.195 MB / 0.9948 GB
Notification: Performance of FrontEnd: time 1.543e-06/0.05155, allocations: 0 / 1.037 GB, free: 9.195 MB / 0.9948 GB
Notification: Performance of Transformations before backend: time 5.128e-05/0.0516, allocations: 3.938 kB / 1.037 GB, free: 9.191 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.004347/0.05595, allocations: 3.754 MB / 1.04 GB, free: 5.391 MB / 0.9948 GB
Notification: Performance of prepare preOptimizeDAE: time 3.811e-05/0.05598, allocations: 16.03 kB / 1.04 GB, free: 5.375 MB / 0.9948 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004447/0.05643, allocations: 0.5384 MB / 1.041 GB, free: 4.828 MB / 0.9948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005952/0.06238, allocations: 2.44 MB / 1.043 GB, free: 2.383 MB / 0.9948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00236/0.06474, allocations: 2.157 MB / 1.045 GB, free: 200 kB / 0.9948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.4093/0.474, allocations: 270.8 kB / 1.046 GB, free: 97.66 MB / 0.9948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00128/0.4753, allocations: 339.9 kB / 1.046 GB, free: 97.66 MB / 0.9948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.009263/0.4846, allocations: 7.203 MB / 1.053 GB, free: 95.41 MB / 0.9948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.746e-05/0.4846, allocations: 9.031 kB / 1.053 GB, free: 95.41 MB / 0.9948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002917/0.4849, allocations: 148 kB / 1.053 GB, free: 95.3 MB / 0.9948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002679/0.4852, allocations: 334.7 kB / 1.054 GB, free: 95.27 MB / 0.9948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009286/0.4945, allocations: 7.017 MB / 1.06 GB, free: 93.27 MB / 0.9948 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01865/0.5131, allocations: 18.44 MB / 1.078 GB, free: 82.97 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004773/0.5179, allocations: 3.724 MB / 1.082 GB, free: 81.7 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003897/0.5218, allocations: 2.531 MB / 1.085 GB, free: 80.96 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001941/0.522, allocations: 43.8 kB / 1.085 GB, free: 80.95 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.203e-05/0.522, allocations: 65.05 kB / 1.085 GB, free: 80.89 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=208): time 4.328e-06/0.522, allocations: 0 / 1.085 GB, free: 80.89 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.05979/0.5818, allocations: 30.74 MB / 1.115 GB, free: 74.01 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.513e-05/0.5819, allocations: 242.9 kB / 1.115 GB, free: 73.75 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001566/0.5834, allocations: 1.48 MB / 1.116 GB, free: 73.21 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004126/0.5839, allocations: 67.77 kB / 1.116 GB, free: 73.15 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004976/0.5844, allocations: 1.532 MB / 1.118 GB, free: 72.01 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006199/0.585, allocations: 0.9552 MB / 1.119 GB, free: 71.19 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007549/0.5857, allocations: 0.6281 MB / 1.119 GB, free: 70.84 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 2.725e-05/0.5858, allocations: 306.2 kB / 1.12 GB, free: 70.54 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003598/0.5894, allocations: 2.688 MB / 1.122 GB, free: 69.14 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00391/0.5933, allocations: 3.648 MB / 1.126 GB, free: 66.54 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007608/0.6009, allocations: 6.397 MB / 1.132 GB, free: 62.52 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.29e-05/0.6009, allocations: 11.72 kB / 1.132 GB, free: 62.52 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.01515/0.6161, allocations: 10.77 MB / 1.143 GB, free: 54.79 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 3.388e-05/0.6161, allocations: 16 kB / 1.143 GB, free: 54.77 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.75e-05/0.6161, allocations: 28 kB / 1.143 GB, free: 54.74 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.009621/0.6258, allocations: 5.555 MB / 1.148 GB, free: 49.18 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002371/0.6281, allocations: 0.9945 MB / 1.149 GB, free: 48.18 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02226/0.6504, allocations: 27.49 MB / 1.176 GB, free: 20.35 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002703/0.6531, allocations: 0.5732 MB / 1.177 GB, free: 19.78 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002949/0.6534, allocations: 152 kB / 1.177 GB, free: 19.63 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004442/0.6578, allocations: 3.991 MB / 1.181 GB, free: 15.63 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00309/0.6609, allocations: 3.604 MB / 1.184 GB, free: 11.63 MB / 0.9948 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04502/0.7059, allocations: 24.48 MB / 1.208 GB, free: 2.672 MB / 1.01 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.979e-05/0.706, allocations: 12 kB / 1.208 GB, free: 2.66 MB / 1.01 GB
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.01637/0.7223, allocations: 10.16 MB / 1.218 GB, free: 8.422 MB / 1.026 GB
Notification: Performance of prepare postOptimizeDAE: time 3.211e-05/0.7224, allocations: 18.34 kB / 1.218 GB, free: 8.406 MB / 1.026 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.57e-05/0.7224, allocations: 28 kB / 1.218 GB, free: 8.379 MB / 1.026 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008401/0.7308, allocations: 4.319 MB / 1.222 GB, free: 4.051 MB / 1.026 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002761/0.7336, allocations: 1.041 MB / 1.223 GB, free: 3.008 MB / 1.026 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02359/0.7571, allocations: 26.29 MB / 1.249 GB, free: 8.156 MB / 1.057 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002955/0.7601, allocations: 0.5499 MB / 1.249 GB, free: 7.605 MB / 1.057 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003844/0.7605, allocations: 155.9 kB / 1.25 GB, free: 7.453 MB / 1.057 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0008308/0.7613, allocations: 406.7 kB / 1.25 GB, free: 7.055 MB / 1.057 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005012/0.7618, allocations: 202.7 kB / 1.25 GB, free: 6.855 MB / 1.057 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01604/0.7779, allocations: 9.925 MB / 1.26 GB, free: 12.89 MB / 1.073 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.008e-05/0.7779, allocations: 32 kB / 1.26 GB, free: 12.86 MB / 1.073 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.06e-05/0.7779, allocations: 12 kB / 1.26 GB, free: 12.85 MB / 1.073 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.27e-05/0.778, allocations: 15.94 kB / 1.26 GB, free: 12.84 MB / 1.073 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02438/0.8024, allocations: 15.4 MB / 1.275 GB, free: 13.31 MB / 1.089 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.672e-05/0.8024, allocations: 8 kB / 1.275 GB, free: 13.3 MB / 1.089 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00194/0.8043, allocations: 0.734 MB / 1.276 GB, free: 12.57 MB / 1.089 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01044/0.8148, allocations: 5.18 MB / 1.281 GB, free: 7.379 MB / 1.089 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004964/0.8153, allocations: 75.95 kB / 1.281 GB, free: 7.305 MB / 1.089 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02659/0.8418, allocations: 26.51 MB / 1.307 GB, free: 12.39 MB / 1.12 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.232e-06/0.8418, allocations: 8 kB / 1.307 GB, free: 12.38 MB / 1.12 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01516/0.857, allocations: 9.891 MB / 1.316 GB, free: 2.285 MB / 1.12 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001406/0.8584, allocations: 0.6546 MB / 1.317 GB, free: 1.629 MB / 1.12 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003243/0.8587, allocations: 55.98 kB / 1.317 GB, free: 1.574 MB / 1.12 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001895/0.8606, allocations: 0.5108 MB / 1.318 GB, free: 1.062 MB / 1.12 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005655/0.8612, allocations: 238.3 kB / 1.318 GB, free: 0.8281 MB / 1.12 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001527/0.8614, allocations: 87.95 kB / 1.318 GB, free: 0.7422 MB / 1.12 GB
Notification: Performance of sorting global known variables: time 0.001031/0.8624, allocations: 0.9762 MB / 1.319 GB, free: 15.76 MB / 1.135 GB
Notification: Performance of sort global known variables: time 1.91e-07/0.8624, allocations: 0 / 1.319 GB, free: 15.76 MB / 1.135 GB
Notification: Performance of remove unused functions: time 0.004643/0.867, allocations: 1.852 MB / 1.321 GB, free: 13.91 MB / 1.135 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.01542/0.8824, allocations: 10.55 MB / 1.331 GB, free: 3.141 MB / 1.135 GB
Notification: Performance of simCode: created initialization part: time 0.0181/0.9005, allocations: 12.03 MB / 1.343 GB, free: 7.012 MB / 1.151 GB
Notification: Performance of simCode: created event and clocks part: time 1.084e-05/0.9006, allocations: 0 / 1.343 GB, free: 7.012 MB / 1.151 GB
Notification: Performance of simCode: created simulation system equations: time 0.006568/0.9071, allocations: 4.227 MB / 1.347 GB, free: 2.746 MB / 1.151 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001728/0.9089, allocations: 280.2 kB / 1.347 GB, free: 2.477 MB / 1.151 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06393/0.9728, allocations: 41.94 MB / 1.388 GB, free: 7.312 MB / 1.198 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002436/0.9752, allocations: 2.275 MB / 1.39 GB, free: 4.996 MB / 1.198 GB
Notification: Performance of simCode: alias equations: time 0.003042/0.9783, allocations: 1.653 MB / 1.392 GB, free: 3.34 MB / 1.198 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001781/0.98, allocations: 1.203 MB / 1.393 GB, free: 2.137 MB / 1.198 GB
Notification: Performance of SimCode: time 1.363e-06/0.98, allocations: 0 / 1.393 GB, free: 2.137 MB / 1.198 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1177/1.098, allocations: 103.5 MB / 1.494 GB, free: 11.16 MB / 1.307 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.18/11.28, allocations: 6.234 kB / 1.494 GB, free: 11.15 MB / 1.307 GB
"
[Timeout remaining time 289]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 15.228282051160932]
Failed to read output from testmodel.py, exit status != 0:
11.407736564986408 11.415689735 11.362389321
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x79834376e150>