Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001042/0.001042, 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 0.001116/0.001116, 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 0.8491/0.8491, allocations: 177.2 MB / 202.8 MB, free: 5.734 MB / 186.7 MB
"
[Timeout remaining time 179]
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 0.001497/0.001497, allocations: 240.7 kB / 259.4 MB, free: 13.02 MB / 250.7 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 0.658/0.658, allocations: 138.4 MB / 454.3 MB, free: 1.668 MB / 362.7 MB
"
[Timeout remaining time 179]
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.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.894e-06/1.894e-06, allocations: 0 / 0.6464 GB, free: 29.04 MB / 0.5105 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.698e-05/1.888e-05, allocations: 2.281 kB / 0.6464 GB, free: 29.03 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01299/0.01301, allocations: 17.52 MB / 0.6635 GB, free: 16.09 MB / 0.5105 GB
Notification: Performance of NFInst.instExpressions: time 0.007224/0.02023, allocations: 6.657 MB / 0.67 GB, free: 9.41 MB / 0.5105 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001064/0.0213, allocations: 63.75 kB / 0.6701 GB, free: 9.348 MB / 0.5105 GB
Notification: Performance of NFTyping.typeComponents: time 0.001703/0.023, allocations: 1.495 MB / 0.6715 GB, free: 7.848 MB / 0.5105 GB
Notification: Performance of NFTyping.typeBindings: time 0.001827/0.02483, allocations: 1.488 MB / 0.673 GB, free: 6.352 MB / 0.5105 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001698/0.02652, allocations: 1.277 MB / 0.6742 GB, free: 5.074 MB / 0.5105 GB
Notification: Performance of NFFlatten.flatten: time 0.00277/0.0293, allocations: 5.558 MB / 0.6797 GB, free: 15.51 MB / 0.5261 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003015/0.03231, allocations: 3.394 MB / 0.683 GB, free: 12.02 MB / 0.5261 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002821/0.03513, allocations: 3.333 MB / 0.6862 GB, free: 8.68 MB / 0.5261 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002937/0.03807, allocations: 2.884 MB / 0.6891 GB, free: 5.789 MB / 0.5261 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007015/0.03877, allocations: 0.5195 MB / 0.6896 GB, free: 5.27 MB / 0.5261 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001808/0.04058, allocations: 1.217 MB / 0.6908 GB, free: 4.051 MB / 0.5261 GB
Notification: Performance of NFScalarize.scalarize: time 0.001727/0.0423, allocations: 2.409 MB / 0.6931 GB, free: 1.637 MB / 0.5261 GB
Notification: Performance of NFVerifyModel.verify: time 0.001481/0.04379, allocations: 1.552 MB / 0.6946 GB, free: 84 kB / 0.5261 GB
Notification: Performance of NFConvertDAE.convert: time 0.006685/0.05047, allocations: 7.994 MB / 0.7024 GB, free: 8.066 MB / 0.5417 GB
Notification: Performance of FrontEnd - DAE generated: time 6.041e-06/0.05048, allocations: 0 / 0.7024 GB, free: 8.066 MB / 0.5417 GB
Notification: Performance of FrontEnd: time 1.853e-06/0.05048, allocations: 0 / 0.7024 GB, free: 8.066 MB / 0.5417 GB
Notification: Performance of Transformations before backend: time 0.000179/0.05066, allocations: 0 / 0.7024 GB, free: 8.066 MB / 0.5417 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 0.006185/0.05684, allocations: 3.8 MB / 0.7061 GB, free: 4.223 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 4.521e-05/0.05689, allocations: 12.75 kB / 0.7061 GB, free: 4.211 MB / 0.5417 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005242/0.05741, allocations: 0.5426 MB / 0.7067 GB, free: 3.66 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006524/0.06394, allocations: 2.44 MB / 0.7091 GB, free: 1.215 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003548/0.06748, allocations: 2.165 MB / 0.7112 GB, free: 15.02 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001575/0.06764, allocations: 267.5 kB / 0.7114 GB, free: 14.75 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005717/0.06821, allocations: 352.3 kB / 0.7118 GB, free: 14.41 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.008992/0.0772, allocations: 7.242 MB / 0.7188 GB, free: 7.047 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.942e-05/0.07725, allocations: 3.938 kB / 0.7188 GB, free: 7.043 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002831/0.07754, allocations: 144 kB / 0.719 GB, free: 6.902 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002748/0.07781, allocations: 334.1 kB / 0.7193 GB, free: 6.574 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008955/0.08677, allocations: 7.036 MB / 0.7262 GB, free: 15.52 MB / 0.573 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01783/0.1046, allocations: 18.5 MB / 0.7442 GB, free: 12.45 MB / 0.5886 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004704/0.1093, allocations: 3.727 MB / 0.7479 GB, free: 8.695 MB / 0.5886 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003378/0.1127, allocations: 2.526 MB / 0.7503 GB, free: 6.152 MB / 0.5886 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001386/0.1128, allocations: 45.97 kB / 0.7504 GB, free: 6.109 MB / 0.5886 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.203e-05/0.1129, allocations: 64.48 kB / 0.7505 GB, free: 6.035 MB / 0.5886 GB
Notification: Performance of pre-optimization done (n=208): time 4.348e-06/0.1129, allocations: 0 / 0.7505 GB, free: 6.035 MB / 0.5886 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.05496/0.1678, allocations: 30.8 MB / 0.7805 GB, free: 7.234 MB / 0.6198 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001023/0.1679, allocations: 239.6 kB / 0.7808 GB, free: 6.953 MB / 0.6198 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001539/0.1695, allocations: 1.527 MB / 0.7822 GB, free: 5.418 MB / 0.6198 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002927/0.1698, allocations: 65.7 kB / 0.7823 GB, free: 5.348 MB / 0.6198 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006984/0.1705, allocations: 1.542 MB / 0.7838 GB, free: 3.789 MB / 0.6198 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006854/0.1711, allocations: 0.9527 MB / 0.7847 GB, free: 2.828 MB / 0.6198 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000779/0.1719, allocations: 0.632 MB / 0.7854 GB, free: 2.188 MB / 0.6198 GB
Notification: Performance of setup shared object (initialization): time 7.365e-05/0.172, allocations: 301.1 kB / 0.7857 GB, free: 1.891 MB / 0.6198 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003671/0.1757, allocations: 2.69 MB / 0.7883 GB, free: 15.19 MB / 0.6355 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003872/0.1795, allocations: 3.647 MB / 0.7918 GB, free: 11.15 MB / 0.6355 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00781/0.1873, allocations: 6.402 MB / 0.7981 GB, free: 4.348 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.17e-05/0.1874, allocations: 7.938 kB / 0.7981 GB, free: 4.34 MB / 0.6355 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.0163/0.2037, allocations: 10.8 MB / 0.8086 GB, free: 9.48 MB / 0.6511 GB
Notification: Performance of prepare postOptimizeDAE: time 3.048e-05/0.2037, allocations: 16 kB / 0.8087 GB, free: 9.465 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.252e-05/0.2037, allocations: 28 kB / 0.8087 GB, free: 9.438 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01034/0.2141, allocations: 5.532 MB / 0.8141 GB, free: 3.895 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002446/0.2165, allocations: 0.9906 MB / 0.8151 GB, free: 2.902 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02661/0.2431, allocations: 27.5 MB / 0.8419 GB, free: 7.016 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002664/0.2458, allocations: 0.5733 MB / 0.8425 GB, free: 6.441 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002752/0.2461, allocations: 155.9 kB / 0.8426 GB, free: 6.289 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005109/0.2512, allocations: 3.98 MB / 0.8465 GB, free: 2.301 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00389/0.2551, allocations: 3.607 MB / 0.85 GB, free: 14.3 MB / 0.698 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.2764/0.5315, allocations: 24.46 MB / 0.8739 GB, free: 192.6 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.834e-05/0.5315, allocations: 7.25 kB / 0.8739 GB, free: 192.6 MB / 0.698 GB
Warning: The linear system: 
1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv3.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.01391/0.5454, allocations: 10.17 MB / 0.8839 GB, free: 189.9 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 2.451e-05/0.5454, allocations: 19.89 kB / 0.8839 GB, free: 189.9 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.577e-05/0.5455, allocations: 26.06 kB / 0.8839 GB, free: 189.9 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.007066/0.5525, allocations: 4.313 MB / 0.8881 GB, free: 187.8 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002049/0.5546, allocations: 1.042 MB / 0.8891 GB, free: 187.5 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01702/0.5716, allocations: 26.25 MB / 0.9148 GB, free: 164.7 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002293/0.5739, allocations: 0.5528 MB / 0.9153 GB, free: 164.2 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001826/0.5741, allocations: 155.9 kB / 0.9155 GB, free: 164 MB / 0.698 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2]
         0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0005826/0.5747, allocations: 398 kB / 0.9158 GB, free: 163.6 MB / 0.698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002967/0.575, allocations: 223.7 kB / 0.9161 GB, free: 163.5 MB / 0.698 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01233/0.5873, allocations: 9.919 MB / 0.9257 GB, free: 153.6 MB / 0.698 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.169e-05/0.5873, allocations: 28 kB / 0.9258 GB, free: 153.5 MB / 0.698 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.076e-05/0.5873, allocations: 19.94 kB / 0.9258 GB, free: 153.5 MB / 0.698 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.344e-05/0.5873, allocations: 11.95 kB / 0.9258 GB, free: 153.5 MB / 0.698 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0172/0.6045, allocations: 15.37 MB / 0.9408 GB, free: 138.1 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.546e-06/0.6045, allocations: 8 kB / 0.9408 GB, free: 138.1 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001497/0.606, allocations: 0.7336 MB / 0.9415 GB, free: 137.3 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.008588/0.6146, allocations: 5.172 MB / 0.9466 GB, free: 132.1 MB / 0.698 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001632/0.6148, allocations: 83.94 kB / 0.9467 GB, free: 132.1 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02009/0.6349, allocations: 26.55 MB / 0.9726 GB, free: 105.1 MB / 0.698 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.031e-06/0.6349, allocations: 12.03 kB / 0.9726 GB, free: 105.1 MB / 0.698 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01308/0.6479, allocations: 9.856 MB / 0.9822 GB, free: 95.05 MB / 0.698 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001212/0.6492, allocations: 0.6644 MB / 0.9829 GB, free: 94.38 MB / 0.698 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002704/0.6494, allocations: 51.98 kB / 0.9829 GB, free: 94.33 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001753/0.6512, allocations: 0.5148 MB / 0.9834 GB, free: 93.82 MB / 0.698 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005208/0.6517, allocations: 238.3 kB / 0.9837 GB, free: 93.59 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001353/0.6518, allocations: 95.94 kB / 0.9837 GB, free: 93.49 MB / 0.698 GB
Notification: Performance of sorting global known variables: time 0.0009653/0.6528, allocations: 1.001 MB / 0.9847 GB, free: 92.49 MB / 0.698 GB
Notification: Performance of sort global known variables: time 1.8e-07/0.6528, allocations: 0 / 0.9847 GB, free: 92.49 MB / 0.698 GB
Notification: Performance of remove unused functions: time 0.004001/0.6568, allocations: 1.857 MB / 0.9865 GB, free: 90.63 MB / 0.698 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.01311/0.6699, allocations: 10.52 MB / 0.9968 GB, free: 79.9 MB / 0.698 GB
Notification: Performance of simCode: created initialization part: time 0.01534/0.6853, allocations: 11.99 MB / 1.009 GB, free: 67.8 MB / 0.698 GB
Notification: Performance of simCode: created event and clocks part: time 9.188e-06/0.6853, allocations: 4.125 kB / 1.009 GB, free: 67.8 MB / 0.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.005396/0.6907, allocations: 4.263 MB / 1.013 GB, free: 63.5 MB / 0.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001474/0.6921, allocations: 290.1 kB / 1.013 GB, free: 63.22 MB / 0.698 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05183/0.744, allocations: 42.2 MB / 1.054 GB, free: 19.82 MB / 0.698 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002003/0.746, allocations: 2.293 MB / 1.056 GB, free: 17.49 MB / 0.698 GB
Notification: Performance of simCode: alias equations: time 0.002609/0.7486, allocations: 1.657 MB / 1.058 GB, free: 15.83 MB / 0.698 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001029/0.7496, allocations: 1.223 MB / 1.059 GB, free: 14.61 MB / 0.698 GB
Notification: Performance of SimCode: time 9.42e-07/0.7496, allocations: 0 / 1.059 GB, free: 14.61 MB / 0.698 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3288/1.078, allocations: 104.5 MB / 1.161 GB, free: 257.6 MB / 0.7761 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.483/10.56, allocations: 8.25 kB / 1.161 GB, free: 257.6 MB / 0.7761 GB
"
[Timeout remaining time 649]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 13.347577445209026]
Failed to read output from testmodel.py, exit status != 0:
10.687672330066562 10.695874512 10.64367536
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7ff2d22e2c60>