Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 0.0008523/0.0008523, allocations: 80.44 kB / 19.17 MB, free: 0.7461 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 0.0008118/0.0008118, allocations: 165.9 kB / 22.45 MB, free: 2.109 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 0.8914/0.8914, 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 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 1.792/1.792, allocations: 377.8 MB / 0.6221 GB, free: 8.656 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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.723e-06/1.723e-06, allocations: 0 / 0.9811 GB, free: 2.48 MB / 0.9323 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.238e-05/2.411e-05, allocations: 4.953 kB / 0.9811 GB, free: 2.477 MB / 0.9323 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01338/0.01341, allocations: 17.53 MB / 0.9982 GB, free: 0.8789 MB / 0.948 GB
Notification: Performance of NFInst.instExpressions: time 0.008151/0.02156, allocations: 6.706 MB / 1.005 GB, free: 10.16 MB / 0.9636 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001087/0.02265, allocations: 63.75 kB / 1.005 GB, free: 10.09 MB / 0.9636 GB
Notification: Performance of NFTyping.typeComponents: time 0.001934/0.02458, allocations: 1.48 MB / 1.006 GB, free: 8.609 MB / 0.9636 GB
Notification: Performance of NFTyping.typeBindings: time 0.002307/0.02689, allocations: 1.504 MB / 1.008 GB, free: 7.098 MB / 0.9636 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00186/0.02875, allocations: 1.293 MB / 1.009 GB, free: 5.805 MB / 0.9636 GB
Notification: Performance of NFFlatten.flatten: time 0.004088/0.03284, allocations: 5.557 MB / 1.014 GB, free: 240 kB / 0.9636 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00326/0.0361, allocations: 3.375 MB / 1.018 GB, free: 12.77 MB / 0.9792 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003136/0.03923, allocations: 3.329 MB / 1.021 GB, free: 9.43 MB / 0.9792 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002804/0.04204, allocations: 2.884 MB / 1.024 GB, free: 6.539 MB / 0.9792 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007034/0.04274, allocations: 0.5156 MB / 1.024 GB, free: 6.023 MB / 0.9792 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001581/0.04432, allocations: 1.224 MB / 1.025 GB, free: 4.797 MB / 0.9792 GB
Notification: Performance of NFScalarize.scalarize: time 0.001567/0.04589, allocations: 2.405 MB / 1.028 GB, free: 2.387 MB / 0.9792 GB
Notification: Performance of NFVerifyModel.verify: time 0.001182/0.04707, allocations: 1.556 MB / 1.029 GB, free: 0.8281 MB / 0.9792 GB
Notification: Performance of NFConvertDAE.convert: time 0.004734/0.0518, allocations: 7.987 MB / 1.037 GB, free: 8.82 MB / 0.9948 GB
Notification: Performance of FrontEnd - DAE generated: time 3.577e-06/0.05181, allocations: 0 / 1.037 GB, free: 8.82 MB / 0.9948 GB
Notification: Performance of FrontEnd: time 1.703e-06/0.05181, allocations: 0 / 1.037 GB, free: 8.82 MB / 0.9948 GB
Notification: Performance of Transformations before backend: time 5.777e-05/0.05187, allocations: 0 / 1.037 GB, free: 8.82 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 0.004087/0.05595, allocations: 3.804 MB / 1.041 GB, free: 4.969 MB / 0.9948 GB
Notification: Performance of prepare preOptimizeDAE: time 3.731e-05/0.05599, allocations: 12.03 kB / 1.041 GB, free: 4.957 MB / 0.9948 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004693/0.05646, allocations: 0.5465 MB / 1.041 GB, free: 4.402 MB / 0.9948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006116/0.06258, allocations: 2.436 MB / 1.044 GB, free: 1.961 MB / 0.9948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.4155/0.4781, allocations: 2.169 MB / 1.046 GB, free: 97.01 MB / 0.9948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002307/0.4783, allocations: 272.4 kB / 1.046 GB, free: 97 MB / 0.9948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001207/0.4795, allocations: 344.2 kB / 1.046 GB, free: 97 MB / 0.9948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007417/0.4869, allocations: 7.236 MB / 1.054 GB, free: 94.56 MB / 0.9948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.97e-05/0.487, allocations: 5.062 kB / 1.054 GB, free: 94.56 MB / 0.9948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002757/0.4872, allocations: 148.9 kB / 1.054 GB, free: 94.46 MB / 0.9948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00024/0.4875, allocations: 336 kB / 1.054 GB, free: 94.42 MB / 0.9948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007734/0.4952, allocations: 7.036 MB / 1.061 GB, free: 92.43 MB / 0.9948 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01442/0.5096, allocations: 18.5 MB / 1.079 GB, free: 82.11 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004186/0.5138, allocations: 3.725 MB / 1.083 GB, free: 80.83 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003432/0.5172, allocations: 2.527 MB / 1.085 GB, free: 80.1 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001439/0.5174, allocations: 45.02 kB / 1.085 GB, free: 80.09 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.931e-05/0.5174, allocations: 64.03 kB / 1.085 GB, free: 80.03 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=208): time 3.527e-06/0.5174, allocations: 0 / 1.085 GB, free: 80.03 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 0.05785/0.5753, allocations: 30.79 MB / 1.115 GB, free: 73.11 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.675e-05/0.5754, allocations: 238.9 kB / 1.115 GB, free: 72.85 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001464/0.5768, allocations: 1.53 MB / 1.117 GB, free: 72.29 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001643/0.577, allocations: 71.11 kB / 1.117 GB, free: 72.23 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005116/0.5775, allocations: 1.548 MB / 1.119 GB, free: 71.07 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005072/0.578, allocations: 0.9512 MB / 1.119 GB, free: 70.26 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007911/0.5788, allocations: 0.6325 MB / 1.12 GB, free: 69.91 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 2.524e-05/0.5788, allocations: 301.1 kB / 1.12 GB, free: 69.61 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003287/0.5821, allocations: 2.687 MB / 1.123 GB, free: 68.21 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003613/0.5857, allocations: 3.643 MB / 1.127 GB, free: 65.62 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006939/0.5927, allocations: 6.405 MB / 1.133 GB, free: 61.59 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.725e-05/0.5927, allocations: 7.156 kB / 1.133 GB, free: 61.59 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 0.01407/0.6067, allocations: 10.77 MB / 1.143 GB, free: 54.05 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 2.652e-05/0.6068, allocations: 16 kB / 1.143 GB, free: 54.03 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.736e-05/0.6068, allocations: 24 kB / 1.143 GB, free: 54.01 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.009228/0.616, allocations: 5.551 MB / 1.149 GB, free: 48.44 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001982/0.618, allocations: 0.9945 MB / 1.15 GB, free: 47.45 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02109/0.6391, allocations: 27.49 MB / 1.177 GB, free: 19.62 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002346/0.6415, allocations: 0.5732 MB / 1.177 GB, free: 19.04 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001818/0.6416, allocations: 148 kB / 1.177 GB, free: 18.9 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004195/0.6458, allocations: 3.991 MB / 1.181 GB, free: 14.9 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003065/0.6489, allocations: 3.6 MB / 1.185 GB, free: 10.9 MB / 0.9948 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04343/0.6923, allocations: 24.47 MB / 1.209 GB, free: 1.965 MB / 1.01 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.289e-05/0.6924, allocations: 8 kB / 1.209 GB, free: 1.957 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 0.0147/0.707, allocations: 10.18 MB / 1.219 GB, free: 7.711 MB / 1.026 GB
Notification: Performance of prepare postOptimizeDAE: time 2.597e-05/0.7071, allocations: 16 kB / 1.219 GB, free: 7.695 MB / 1.026 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.507e-05/0.7071, allocations: 24 kB / 1.219 GB, free: 7.672 MB / 1.026 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008051/0.7151, allocations: 4.316 MB / 1.223 GB, free: 3.344 MB / 1.026 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00226/0.7174, allocations: 1.037 MB / 1.224 GB, free: 2.305 MB / 1.026 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02253/0.7399, allocations: 26.29 MB / 1.249 GB, free: 7.453 MB / 1.057 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002446/0.7424, allocations: 0.5576 MB / 1.25 GB, free: 6.895 MB / 1.057 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002142/0.7426, allocations: 163.9 kB / 1.25 GB, free: 6.734 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 0.0007149/0.7433, allocations: 393.7 kB / 1.251 GB, free: 6.344 MB / 1.057 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00036/0.7437, allocations: 210.7 kB / 1.251 GB, free: 6.137 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 0.01468/0.7583, allocations: 9.933 MB / 1.26 GB, free: 12.17 MB / 1.073 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.436e-05/0.7584, allocations: 28 kB / 1.26 GB, free: 12.14 MB / 1.073 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.499e-05/0.7584, allocations: 19.94 kB / 1.261 GB, free: 12.12 MB / 1.073 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.543e-05/0.7584, allocations: 15.94 kB / 1.261 GB, free: 12.11 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 0.02036/0.7788, allocations: 15.4 MB / 1.276 GB, free: 12.58 MB / 1.089 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.042e-05/0.7788, allocations: 8 kB / 1.276 GB, free: 12.57 MB / 1.089 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001648/0.7804, allocations: 0.7339 MB / 1.276 GB, free: 11.84 MB / 1.089 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009636/0.79, allocations: 5.184 MB / 1.281 GB, free: 6.648 MB / 1.089 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002041/0.7903, allocations: 75.95 kB / 1.281 GB, free: 6.574 MB / 1.089 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02464/0.8149, allocations: 26.51 MB / 1.307 GB, free: 11.65 MB / 1.12 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.602e-06/0.8149, allocations: 12.03 kB / 1.307 GB, free: 11.64 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 0.01417/0.8291, allocations: 9.885 MB / 1.317 GB, free: 1.539 MB / 1.12 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001178/0.8302, allocations: 0.6585 MB / 1.318 GB, free: 0.8789 MB / 1.12 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002357/0.8305, allocations: 56 kB / 1.318 GB, free: 0.8242 MB / 1.12 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001826/0.8323, allocations: 0.5147 MB / 1.318 GB, free: 316 kB / 1.12 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005206/0.8328, allocations: 238.3 kB / 1.318 GB, free: 76 kB / 1.12 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001626/0.833, allocations: 92.19 kB / 1.318 GB, free: 15.98 MB / 1.135 GB
Notification: Performance of sorting global known variables: time 0.0009974/0.834, allocations: 1.001 MB / 1.319 GB, free: 14.98 MB / 1.135 GB
Notification: Performance of sort global known variables: time 2.2e-07/0.834, allocations: 7.938 kB / 1.319 GB, free: 14.97 MB / 1.135 GB
Notification: Performance of remove unused functions: time 0.004842/0.8388, allocations: 1.848 MB / 1.321 GB, free: 13.12 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 0.0147/0.8535, allocations: 10.56 MB / 1.332 GB, free: 2.348 MB / 1.135 GB
Notification: Performance of simCode: created initialization part: time 0.01624/0.8698, allocations: 12.01 MB / 1.343 GB, free: 6.234 MB / 1.151 GB
Notification: Performance of simCode: created event and clocks part: time 1.146e-05/0.8698, allocations: 4 kB / 1.343 GB, free: 6.23 MB / 1.151 GB
Notification: Performance of simCode: created simulation system equations: time 0.005837/0.8756, allocations: 4.235 MB / 1.347 GB, free: 1.949 MB / 1.151 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001412/0.877, allocations: 287.8 kB / 1.348 GB, free: 1.676 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.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05623/0.9333, allocations: 42.14 MB / 1.389 GB, free: 6.309 MB / 1.198 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001998/0.9353, allocations: 2.289 MB / 1.391 GB, free: 3.977 MB / 1.198 GB
Notification: Performance of simCode: alias equations: time 0.002645/0.9379, allocations: 1.661 MB / 1.393 GB, free: 2.312 MB / 1.198 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001268/0.9392, allocations: 1.227 MB / 1.394 GB, free: 1.086 MB / 1.198 GB
Notification: Performance of SimCode: time 2.805e-06/0.9392, allocations: 0 / 1.394 GB, free: 1.086 MB / 1.198 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1028/1.042, allocations: 104.5 MB / 1.496 GB, free: 9.141 MB / 1.307 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.45/11.49, allocations: 11.98 kB / 1.496 GB, free: 9.129 MB / 1.307 GB
"
[Timeout remaining time 288]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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_UnbalancedStepUp_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 15.753317275084555]
Failed to read output from testmodel.py, exit status != 0:
11.620572815649211 11.632271292 11.578348128
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7a8f821c8290>