Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001835/0.001835, allocations: 114.7 kB / 17.6 MB, free: 4.699 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002147/0.002147, allocations: 186 kB / 20.78 MB, free: 1.539 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.461/1.461, allocations: 225.6 MB / 249.4 MB, free: 3.32 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.753/2.753, allocations: 476.7 MB / 0.7629 GB, free: 15.13 MB / 0.6075 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.002102/0.002102, allocations: 67.89 kB / 1.107 GB, free: 4.988 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.908/0.9101, allocations: 168.7 MB / 1.272 GB, free: 7.684 MB / 0.9981 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02136/0.9315, allocations: 19.19 MB / 1.29 GB, free: 11.24 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.01231/0.9438, allocations: 7.02 MB / 1.297 GB, free: 6.539 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001763/0.9456, allocations: 53.91 kB / 1.297 GB, free: 6.531 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 0.00416/0.9497, allocations: 1.519 MB / 1.299 GB, free: 5.672 MB / 1.014 GB
Notification: Performance of NFTyping.typeBindings: time 0.004225/0.954, allocations: 1.448 MB / 1.3 GB, free: 4.859 MB / 1.014 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003693/0.9576, allocations: 1.287 MB / 1.301 GB, free: 4.16 MB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 0.008039/0.9657, allocations: 5.443 MB / 1.307 GB, free: 1.867 MB / 1.014 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00627/0.972, allocations: 3.29 MB / 1.31 GB, free: 172 kB / 1.014 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005567/0.9775, allocations: 2.365 MB / 1.312 GB, free: 15.1 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006747/0.9843, allocations: 3.152 MB / 1.315 GB, free: 13.86 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 0.002309/0.9866, allocations: 0.5107 MB / 1.316 GB, free: 13.86 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004118/0.9907, allocations: 1.287 MB / 1.317 GB, free: 13.59 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 0.005363/0.9961, allocations: 2.296 MB / 1.319 GB, free: 12.68 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 0.006547/1.003, allocations: 2.173 MB / 1.321 GB, free: 11.27 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.01325/1.016, allocations: 7.763 MB / 1.329 GB, free: 8.863 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 5.5e-06/1.016, allocations: 0 / 1.329 GB, free: 8.863 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.833e-06/1.016, allocations: 0 / 1.329 GB, free: 8.863 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 0.0002391/1.016, allocations: 1.062 kB / 1.329 GB, free: 8.863 MB / 1.029 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01374/1.03, allocations: 3.873 MB / 1.333 GB, free: 6.43 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 5.85e-05/1.03, allocations: 9.906 kB / 1.333 GB, free: 6.43 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001888/1.032, allocations: 0.5401 MB / 1.333 GB, free: 6.047 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01528/1.047, allocations: 2.433 MB / 1.336 GB, free: 4.871 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006252/1.053, allocations: 2.18 MB / 1.338 GB, free: 3.508 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003451/1.054, allocations: 272.9 kB / 1.338 GB, free: 3.379 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002218/1.056, allocations: 344.6 kB / 1.338 GB, free: 3.266 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02481/1.081, allocations: 7.138 MB / 1.345 GB, free: 15.19 MB / 1.045 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001357/1.081, allocations: 2.719 kB / 1.345 GB, free: 15.19 MB / 1.045 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001647/1.082, allocations: 147.1 kB / 1.346 GB, free: 15.07 MB / 1.045 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000537/1.083, allocations: 335.7 kB / 1.346 GB, free: 14.98 MB / 1.045 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0204/1.103, allocations: 7.028 MB / 1.353 GB, free: 11.43 MB / 1.045 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04522/1.149, allocations: 26.46 MB / 1.379 GB, free: 4.531 MB / 1.061 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01069/1.159, allocations: 4.868 MB / 1.383 GB, free: 15.97 MB / 1.076 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007019/1.166, allocations: 2.534 MB / 1.386 GB, free: 13.41 MB / 1.076 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000344/1.167, allocations: 127 kB / 1.386 GB, free: 13.27 MB / 1.076 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.96e-05/1.167, allocations: 68.5 kB / 1.386 GB, free: 13.2 MB / 1.076 GB
Notification: Performance of pre-optimization done (n=208): time 4.629e-06/1.167, allocations: 3.938 kB / 1.386 GB, free: 13.19 MB / 1.076 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 0.1127/1.279, allocations: 31.04 MB / 1.416 GB, free: 14.09 MB / 1.108 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001655/1.28, allocations: 239.6 kB / 1.417 GB, free: 13.8 MB / 1.108 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002596/1.282, allocations: 1.435 MB / 1.418 GB, free: 12.36 MB / 1.108 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006567/1.283, allocations: 65.7 kB / 1.418 GB, free: 12.29 MB / 1.108 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001242/1.284, allocations: 1.538 MB / 1.419 GB, free: 10.73 MB / 1.108 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001447/1.286, allocations: 0.9683 MB / 1.42 GB, free: 9.758 MB / 1.108 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00151/1.287, allocations: 0.6282 MB / 1.421 GB, free: 9.121 MB / 1.108 GB
Notification: Performance of setup shared object (initialization): time 0.0001402/1.287, allocations: 313.1 kB / 1.421 GB, free: 8.812 MB / 1.108 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006837/1.294, allocations: 2.69 MB / 1.424 GB, free: 6.113 MB / 1.108 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008415/1.302, allocations: 3.571 MB / 1.427 GB, free: 2.164 MB / 1.108 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.015/1.317, allocations: 6.406 MB / 1.434 GB, free: 11.36 MB / 1.123 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.833e-05/1.317, allocations: 8 kB / 1.434 GB, free: 11.35 MB / 1.123 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 0.0316/1.349, allocations: 10.91 MB / 1.444 GB, free: 344 kB / 1.123 GB
Notification: Performance of prepare postOptimizeDAE: time 4.341e-05/1.349, allocations: 21.91 kB / 1.444 GB, free: 324 kB / 1.123 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.997e-05/1.349, allocations: 24 kB / 1.444 GB, free: 300 kB / 1.123 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0211/1.37, allocations: 5.557 MB / 1.45 GB, free: 10.72 MB / 1.139 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00486/1.375, allocations: 0.9945 MB / 1.451 GB, free: 9.723 MB / 1.139 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04828/1.423, allocations: 28.23 MB / 1.478 GB, free: 13.04 MB / 1.17 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005013/1.428, allocations: 0.5733 MB / 1.479 GB, free: 12.46 MB / 1.17 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006179/1.429, allocations: 151.9 kB / 1.479 GB, free: 12.32 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009263/1.438, allocations: 3.986 MB / 1.483 GB, free: 8.324 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007396/1.446, allocations: 3.536 MB / 1.486 GB, free: 4.41 MB / 1.17 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09477/1.54, allocations: 24.63 MB / 1.511 GB, free: 11.27 MB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.03e-05/1.54, allocations: 8 kB / 1.511 GB, free: 11.26 MB / 1.201 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 0.02841/1.569, allocations: 10.48 MB / 1.521 GB, free: 0.6328 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 3.538e-05/1.569, allocations: 16.56 kB / 1.521 GB, free: 0.6172 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.49e-05/1.569, allocations: 24 kB / 1.521 GB, free: 0.5938 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0161/1.585, allocations: 4.337 MB / 1.525 GB, free: 12.24 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005064/1.59, allocations: 1.034 MB / 1.526 GB, free: 11.21 MB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03985/1.63, allocations: 27.16 MB / 1.553 GB, free: 15.32 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005037/1.635, allocations: 0.5654 MB / 1.553 GB, free: 14.76 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005914/1.636, allocations: 151.9 kB / 1.553 GB, free: 14.61 MB / 1.248 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 0.0009875/1.637, allocations: 395.3 kB / 1.554 GB, free: 14.21 MB / 1.248 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006365/1.637, allocations: 206.8 kB / 1.554 GB, free: 14.01 MB / 1.248 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 0.02859/1.666, allocations: 10.07 MB / 1.564 GB, free: 3.867 MB / 1.248 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.752e-05/1.666, allocations: 31.94 kB / 1.564 GB, free: 3.836 MB / 1.248 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.229e-05/1.666, allocations: 12.38 kB / 1.564 GB, free: 3.824 MB / 1.248 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.48e-05/1.666, allocations: 19.95 kB / 1.564 GB, free: 3.805 MB / 1.248 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 0.03915/1.705, allocations: 16.21 MB / 1.58 GB, free: 3.344 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.524e-05/1.705, allocations: 12.94 kB / 1.58 GB, free: 3.332 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003605/1.709, allocations: 0.7449 MB / 1.58 GB, free: 2.586 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01934/1.728, allocations: 5.173 MB / 1.585 GB, free: 13.4 MB / 1.279 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006643/1.729, allocations: 71.95 kB / 1.585 GB, free: 13.33 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04564/1.774, allocations: 27.25 MB / 1.612 GB, free: 1.582 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.479e-05/1.774, allocations: 16.02 kB / 1.612 GB, free: 1.566 MB / 1.295 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 0.02718/1.802, allocations: 10.05 MB / 1.622 GB, free: 7.266 MB / 1.311 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001937/1.804, allocations: 0.7299 MB / 1.623 GB, free: 6.516 MB / 1.311 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004997/1.804, allocations: 52 kB / 1.623 GB, free: 6.465 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003738/1.808, allocations: 0.5148 MB / 1.623 GB, free: 5.949 MB / 1.311 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000811/1.809, allocations: 226.3 kB / 1.623 GB, free: 5.727 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000269/1.809, allocations: 87.95 kB / 1.623 GB, free: 5.641 MB / 1.311 GB
Notification: Performance of sorting global known variables: time 0.001731/1.811, allocations: 0.9762 MB / 1.624 GB, free: 4.66 MB / 1.311 GB
Notification: Performance of sort global known variables: time 8.1e-08/1.811, allocations: 0 / 1.624 GB, free: 4.66 MB / 1.311 GB
Notification: Performance of remove unused functions: time 0.007155/1.818, allocations: 1.848 MB / 1.626 GB, free: 2.812 MB / 1.311 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 0.02828/1.846, allocations: 10.71 MB / 1.637 GB, free: 7.844 MB / 1.326 GB
Notification: Performance of simCode: created initialization part: time 0.03227/1.878, allocations: 12.02 MB / 1.648 GB, free: 11.71 MB / 1.342 GB
Notification: Performance of simCode: created event and clocks part: time 1.202e-05/1.878, allocations: 1.875 kB / 1.648 GB, free: 11.71 MB / 1.342 GB
Notification: Performance of simCode: created simulation system equations: time 0.01161/1.89, allocations: 4.245 MB / 1.653 GB, free: 7.418 MB / 1.342 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002448/1.892, allocations: 286.1 kB / 1.653 GB, free: 7.148 MB / 1.342 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1096/2.002, allocations: 42.19 MB / 1.694 GB, free: 11.66 MB / 1.389 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00387/2.006, allocations: 2.837 MB / 1.697 GB, free: 8.789 MB / 1.389 GB
Notification: Performance of simCode: alias equations: time 0.004732/2.011, allocations: 1.653 MB / 1.698 GB, free: 7.133 MB / 1.389 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002301/2.013, allocations: 1.202 MB / 1.7 GB, free: 5.93 MB / 1.389 GB
Notification: Performance of SimCode: time 2.795e-06/2.013, allocations: 4 kB / 1.7 GB, free: 5.926 MB / 1.389 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1953/2.208, allocations: 104.5 MB / 1.802 GB, free: 13.71 MB / 1.498 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.96/19.17, allocations: 11.5 kB / 1.802 GB, free: 13.7 MB / 1.498 GB
"
[Timeout remaining time 281]
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 25.23233515099855]
Failed to read output from testmodel.py, exit status != 0:
19.309323546011 19.334425869 18.313819543
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f1a6f328a90>