Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 0.001948/0.001948, allocations: 99.64 kB / 18.94 MB, free: 2.551 MB / 14.72 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 0.002859/0.002859, allocations: 217 kB / 22.25 MB, free: 4.855 MB / 14.72 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 1.486/1.486, allocations: 230.6 MB / 256 MB, free: 7.801 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002665/0.002665, allocations: 285.5 kB / 312.7 MB, free: 2.609 MB / 238.1 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.37/1.37, allocations: 180.6 MB / 0.5369 GB, free: 14.49 MB / 382.1 MB
"
[Timeout remaining time 178]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: NcDataReader2 requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: BuildingSystems requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.003048/0.003048, allocations: 109.2 kB / 0.7396 GB, free: 27.89 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1738/0.1769, allocations: 95.39 MB / 0.8327 GB, free: 8.238 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02527/0.2021, allocations: 17.91 MB / 0.8502 GB, free: 6.27 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.0135/0.2156, allocations: 6.794 MB / 0.8569 GB, free: 15.46 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001965/0.2176, allocations: 63.75 kB / 0.8569 GB, free: 15.39 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.004614/0.2222, allocations: 1.486 MB / 0.8584 GB, free: 13.91 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.004086/0.2263, allocations: 1.467 MB / 0.8598 GB, free: 12.43 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003728/0.23, allocations: 1.272 MB / 0.8611 GB, free: 11.16 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.007099/0.2371, allocations: 5.48 MB / 0.8664 GB, free: 5.668 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006076/0.2432, allocations: 3.374 MB / 0.8697 GB, free: 2.195 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003925/0.2471, allocations: 2.419 MB / 0.8721 GB, free: 15.77 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005498/0.2526, allocations: 3.015 MB / 0.875 GB, free: 12.75 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.001655/0.2543, allocations: 0.5156 MB / 0.8755 GB, free: 12.23 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003344/0.2576, allocations: 1.201 MB / 0.8767 GB, free: 11.03 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.003792/0.2614, allocations: 2.311 MB / 0.8789 GB, free: 8.711 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.004556/0.266, allocations: 1.79 MB / 0.8807 GB, free: 6.914 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.01069/0.2767, allocations: 7.831 MB / 0.8883 GB, free: 15.06 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 5.49e-06/0.2767, allocations: 0 / 0.8883 GB, free: 15.06 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.683e-06/0.2767, allocations: 4 kB / 0.8883 GB, free: 15.05 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0002146/0.2769, allocations: 0 / 0.8883 GB, free: 15.05 MB / 0.6387 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 0.009198/0.2861, allocations: 3.828 MB / 0.8921 GB, free: 11.18 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.449e-05/0.2861, allocations: 9.344 kB / 0.8921 GB, free: 11.17 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008182/0.2869, allocations: 0.5465 MB / 0.8926 GB, free: 10.62 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01323/0.3002, allocations: 2.436 MB / 0.895 GB, free: 8.176 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00638/0.3065, allocations: 2.177 MB / 0.8971 GB, free: 5.969 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00025/0.3068, allocations: 267.1 kB / 0.8974 GB, free: 5.707 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00101/0.3078, allocations: 348 kB / 0.8977 GB, free: 5.367 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0163/0.3241, allocations: 7.242 MB / 0.9048 GB, free: 14.01 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.466e-05/0.3242, allocations: 0 / 0.9048 GB, free: 14.01 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004394/0.3246, allocations: 148 kB / 0.9049 GB, free: 13.86 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004898/0.3251, allocations: 330.1 kB / 0.9052 GB, free: 13.54 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01828/0.3434, allocations: 7.039 MB / 0.9121 GB, free: 6.488 MB / 0.6544 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03515/0.3785, allocations: 18.51 MB / 0.9302 GB, free: 3.395 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008536/0.3871, allocations: 3.722 MB / 0.9338 GB, free: 15.63 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00667/0.3938, allocations: 2.526 MB / 0.9363 GB, free: 13.09 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002652/0.394, allocations: 45.97 kB / 0.9363 GB, free: 13.05 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.794e-05/0.3941, allocations: 64.5 kB / 0.9364 GB, free: 12.97 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 5.42e-06/0.3941, allocations: 0 / 0.9364 GB, free: 12.97 MB / 0.6856 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 0.1101/0.5042, allocations: 30.79 MB / 0.9665 GB, free: 14.2 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001606/0.5043, allocations: 239.6 kB / 0.9667 GB, free: 13.91 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002395/0.5067, allocations: 1.527 MB / 0.9682 GB, free: 12.38 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004792/0.5072, allocations: 69.7 kB / 0.9683 GB, free: 12.3 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001207/0.5084, allocations: 1.546 MB / 0.9698 GB, free: 10.74 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001222/0.5096, allocations: 0.9683 MB / 0.9707 GB, free: 9.766 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001183/0.5108, allocations: 0.6321 MB / 0.9713 GB, free: 9.125 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 0.0001398/0.511, allocations: 309.1 kB / 0.9716 GB, free: 8.82 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006434/0.5174, allocations: 2.686 MB / 0.9742 GB, free: 6.125 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007411/0.5248, allocations: 3.643 MB / 0.9778 GB, free: 2.09 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.3827/0.9075, allocations: 6.397 MB / 0.9841 GB, free: 130.3 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.286e-05/0.9075, allocations: 8.281 kB / 0.9841 GB, free: 130.3 MB / 0.7169 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 0.03023/0.9377, allocations: 10.76 MB / 0.9946 GB, free: 127.6 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 4.636e-05/0.9378, allocations: 16.22 kB / 0.9946 GB, free: 127.6 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.152e-05/0.9379, allocations: 30.19 kB / 0.9946 GB, free: 127.6 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01901/0.9569, allocations: 5.551 MB / 1 GB, free: 126.9 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004247/0.9611, allocations: 0.9929 MB / 1.001 GB, free: 126.8 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03501/0.9961, allocations: 27.47 MB / 1.028 GB, free: 104.7 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004441/1.001, allocations: 0.5733 MB / 1.028 GB, free: 104.2 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004063/1.001, allocations: 159.9 kB / 1.029 GB, free: 104 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006629/1.008, allocations: 3.98 MB / 1.032 GB, free: 100 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005461/1.013, allocations: 3.607 MB / 1.036 GB, free: 96.02 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08106/1.094, allocations: 24.45 MB / 1.06 GB, free: 71.12 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.138e-05/1.094, allocations: 8 kB / 1.06 GB, free: 71.11 MB / 0.7169 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 0.02232/1.116, allocations: 10.19 MB / 1.07 GB, free: 60.92 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 4.608e-05/1.117, allocations: 19.84 kB / 1.07 GB, free: 60.9 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.972e-05/1.117, allocations: 28 kB / 1.07 GB, free: 60.88 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0138/1.13, allocations: 4.315 MB / 1.074 GB, free: 56.54 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004323/1.135, allocations: 1.046 MB / 1.075 GB, free: 55.5 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0274/1.162, allocations: 26.28 MB / 1.101 GB, free: 28.68 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004254/1.166, allocations: 0.5611 MB / 1.101 GB, free: 28.12 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003135/1.167, allocations: 148 kB / 1.101 GB, free: 27.98 MB / 0.7169 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 0.0007867/1.167, allocations: 403.6 kB / 1.102 GB, free: 27.59 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004779/1.168, allocations: 206.7 kB / 1.102 GB, free: 27.39 MB / 0.7169 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 0.02291/1.191, allocations: 9.939 MB / 1.112 GB, free: 17.42 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.992e-05/1.191, allocations: 24 kB / 1.112 GB, free: 17.39 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.776e-05/1.191, allocations: 16 kB / 1.112 GB, free: 17.38 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.534e-05/1.191, allocations: 11.95 kB / 1.112 GB, free: 17.37 MB / 0.7169 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 0.03118/1.222, allocations: 15.39 MB / 1.127 GB, free: 1.855 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.68e-05/1.222, allocations: 8 kB / 1.127 GB, free: 1.848 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003129/1.225, allocations: 0.7417 MB / 1.128 GB, free: 1.105 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01854/1.244, allocations: 5.173 MB / 1.133 GB, free: 11.91 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004845/1.244, allocations: 75.95 kB / 1.133 GB, free: 11.84 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04298/1.287, allocations: 26.52 MB / 1.159 GB, free: 0.918 MB / 0.7481 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.056e-05/1.287, allocations: 8.781 kB / 1.159 GB, free: 0.9102 MB / 0.7481 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 0.0276/1.315, allocations: 9.913 MB / 1.168 GB, free: 6.793 MB / 0.7637 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002292/1.317, allocations: 0.6606 MB / 1.169 GB, free: 6.133 MB / 0.7637 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004398/1.318, allocations: 55.98 kB / 1.169 GB, free: 6.078 MB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003669/1.321, allocations: 0.5031 MB / 1.169 GB, free: 5.574 MB / 0.7637 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007986/1.322, allocations: 238.2 kB / 1.17 GB, free: 5.34 MB / 0.7637 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002542/1.322, allocations: 99.95 kB / 1.17 GB, free: 5.242 MB / 0.7637 GB
Notification: Performance of sorting global known variables: time 0.001827/1.324, allocations: 1.001 MB / 1.171 GB, free: 4.238 MB / 0.7637 GB
Notification: Performance of sort global known variables: time 1e-07/1.324, allocations: 0 / 1.171 GB, free: 4.238 MB / 0.7637 GB
Notification: Performance of remove unused functions: time 0.006693/1.331, allocations: 1.857 MB / 1.173 GB, free: 2.383 MB / 0.7637 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 0.02816/1.359, allocations: 10.57 MB / 1.183 GB, free: 7.602 MB / 0.7794 GB
Notification: Performance of simCode: created initialization part: time 0.03084/1.39, allocations: 12.03 MB / 1.195 GB, free: 11.46 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.716e-05/1.39, allocations: 0 / 1.195 GB, free: 11.46 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.01116/1.401, allocations: 4.232 MB / 1.199 GB, free: 7.191 MB / 0.795 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002147/1.403, allocations: 277.1 kB / 1.199 GB, free: 6.926 MB / 0.795 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 0.1074/1.511, allocations: 42.09 MB / 1.24 GB, free: 11.62 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004356/1.515, allocations: 2.282 MB / 1.242 GB, free: 9.297 MB / 0.8419 GB
Notification: Performance of simCode: alias equations: time 0.006662/1.522, allocations: 1.657 MB / 1.244 GB, free: 7.637 MB / 0.8419 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002896/1.524, allocations: 1.226 MB / 1.245 GB, free: 6.41 MB / 0.8419 GB
Notification: Performance of SimCode: time 1.242e-06/1.524, allocations: 3.938 kB / 1.245 GB, free: 6.406 MB / 0.8419 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5812/2.106, allocations: 104.4 MB / 1.347 GB, free: 324.2 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.84/17.95, allocations: 5.875 kB / 1.347 GB, free: 324.2 MB / 0.92 GB
"
[Timeout remaining time 642]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 22.50720545789227]
Failed to read output from testmodel.py, exit status != 0:
18.12139698676765 18.143020391 17.862082506
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f870a23efb0>