Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 0.001258/0.001258, allocations: 114.3 kB / 18.94 MB, free: 2.957 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 0.001434/0.001434, allocations: 215.4 kB / 22.26 MB, free: 5.113 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 1.385/1.385, allocations: 230.6 MB / 256 MB, free: 8.016 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 0.002464/0.002464, allocations: 286.2 kB / 312.7 MB, free: 2.828 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 1.186/1.186, allocations: 180.6 MB / 0.5369 GB, free: 12.97 MB / 382.1 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.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.002953/0.002953, allocations: 105.8 kB / 0.7397 GB, free: 28.35 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1662/0.1691, allocations: 95.39 MB / 0.8328 GB, free: 8.582 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02503/0.1941, allocations: 19.19 MB / 0.8516 GB, free: 5.324 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01268/0.2068, allocations: 7.058 MB / 0.8585 GB, free: 14.25 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001499/0.2083, allocations: 63.75 kB / 0.8585 GB, free: 14.18 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.00391/0.2122, allocations: 1.525 MB / 0.86 GB, free: 12.65 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.003499/0.2157, allocations: 1.443 MB / 0.8614 GB, free: 11.2 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003207/0.2189, allocations: 1.301 MB / 0.8627 GB, free: 9.902 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.007057/0.226, allocations: 5.441 MB / 0.868 GB, free: 4.449 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005334/0.2313, allocations: 3.37 MB / 0.8713 GB, free: 0.9805 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004004/0.2353, allocations: 2.404 MB / 0.8736 GB, free: 14.57 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005368/0.2407, allocations: 3.159 MB / 0.8767 GB, free: 11.4 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.001228/0.2419, allocations: 0.5117 MB / 0.8772 GB, free: 10.89 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002749/0.2447, allocations: 1.28 MB / 0.8785 GB, free: 9.609 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.003381/0.2481, allocations: 2.296 MB / 0.8807 GB, free: 7.309 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.004321/0.2524, allocations: 2.167 MB / 0.8828 GB, free: 5.133 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.009926/0.2623, allocations: 7.749 MB / 0.8904 GB, free: 13.36 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 9.017e-06/0.2623, allocations: 3.984 kB / 0.8904 GB, free: 13.36 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 3.166e-06/0.2623, allocations: 0 / 0.8904 GB, free: 13.36 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0002091/0.2625, allocations: 0 / 0.8904 GB, free: 13.36 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.008911/0.2714, allocations: 3.789 MB / 0.8941 GB, free: 9.52 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 5.296e-05/0.2715, allocations: 17.33 kB / 0.8941 GB, free: 9.504 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001135/0.2726, allocations: 0.5345 MB / 0.8947 GB, free: 8.961 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01302/0.2857, allocations: 2.421 MB / 0.897 GB, free: 6.535 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005917/0.2916, allocations: 2.166 MB / 0.8991 GB, free: 4.34 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002748/0.2918, allocations: 267.2 kB / 0.8994 GB, free: 4.078 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001063/0.2929, allocations: 344 kB / 0.8997 GB, free: 3.742 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01609/0.309, allocations: 7.126 MB / 0.9067 GB, free: 12.52 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.472e-05/0.3091, allocations: 4 kB / 0.9067 GB, free: 12.51 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004375/0.3095, allocations: 148 kB / 0.9068 GB, free: 12.37 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004849/0.31, allocations: 334 kB / 0.9071 GB, free: 12.04 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01739/0.3274, allocations: 7.031 MB / 0.914 GB, free: 4.996 MB / 0.6544 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 0.03601/0.3634, allocations: 25.98 MB / 0.9394 GB, free: 8.887 MB / 0.6856 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007914/0.3713, allocations: 3.734 MB / 0.943 GB, free: 5.125 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005997/0.3773, allocations: 2.514 MB / 0.9455 GB, free: 2.59 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002419/0.3775, allocations: 57.94 kB / 0.9455 GB, free: 2.535 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.306e-05/0.3776, allocations: 64.48 kB / 0.9456 GB, free: 2.461 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 4.478e-06/0.3776, allocations: 0 / 0.9456 GB, free: 2.461 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.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 0.1051/0.4827, allocations: 30.76 MB / 0.9756 GB, free: 3.711 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001702/0.4828, allocations: 231.6 kB / 0.9758 GB, free: 3.438 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002514/0.4854, allocations: 1.435 MB / 0.9773 GB, free: 1.992 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006397/0.486, allocations: 65.7 kB / 0.9773 GB, free: 1.922 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001247/0.4872, allocations: 1.546 MB / 0.9788 GB, free: 368 kB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.3282/0.8154, allocations: 0.9644 MB / 0.9798 GB, free: 133.3 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001244/0.8166, allocations: 0.6361 MB / 0.9804 GB, free: 133.2 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 3.622e-05/0.8167, allocations: 301.1 kB / 0.9807 GB, free: 132.9 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005798/0.8225, allocations: 2.695 MB / 0.9833 GB, free: 132.7 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006078/0.8286, allocations: 3.57 MB / 0.9868 GB, free: 130.9 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01235/0.8409, allocations: 6.404 MB / 0.993 GB, free: 127.9 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.744e-05/0.8409, allocations: 7.656 kB / 0.9931 GB, free: 127.9 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.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 0.02559/0.8665, allocations: 10.81 MB / 1.004 GB, free: 125 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 4.789e-05/0.8666, allocations: 15.88 kB / 1.004 GB, free: 125 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.035e-05/0.8666, allocations: 27.75 kB / 1.004 GB, free: 125 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01716/0.8838, allocations: 5.539 MB / 1.009 GB, free: 123 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003827/0.8876, allocations: 0.9937 MB / 1.01 GB, free: 122.7 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03315/0.9208, allocations: 27.89 MB / 1.037 GB, free: 96.18 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004278/0.9251, allocations: 0.5753 MB / 1.038 GB, free: 95.61 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004498/0.9255, allocations: 147.9 kB / 1.038 GB, free: 95.46 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00673/0.9322, allocations: 3.988 MB / 1.042 GB, free: 91.47 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005127/0.9374, allocations: 3.536 MB / 1.045 GB, free: 87.55 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07677/1.014, allocations: 24.48 MB / 1.069 GB, free: 62.62 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.948e-05/1.014, allocations: 11.39 kB / 1.069 GB, free: 62.61 MB / 0.7169 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 0.02158/1.036, allocations: 10.18 MB / 1.079 GB, free: 52.37 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 2.349e-05/1.036, allocations: 19.98 kB / 1.079 GB, free: 52.35 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.761e-05/1.036, allocations: 28 kB / 1.079 GB, free: 52.32 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01346/1.049, allocations: 4.323 MB / 1.083 GB, free: 47.98 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004143/1.053, allocations: 1.041 MB / 1.084 GB, free: 46.94 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02741/1.081, allocations: 26.71 MB / 1.111 GB, free: 19.64 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004023/1.085, allocations: 0.5519 MB / 1.111 GB, free: 19.09 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003073/1.085, allocations: 159.9 kB / 1.111 GB, free: 18.94 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.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 0.0007687/1.086, allocations: 396.1 kB / 1.112 GB, free: 18.56 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000447/1.086, allocations: 206.7 kB / 1.112 GB, free: 18.36 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.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 0.0222/1.109, allocations: 9.937 MB / 1.122 GB, free: 8.391 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.53e-05/1.109, allocations: 28 kB / 1.122 GB, free: 8.363 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.829e-05/1.109, allocations: 12 kB / 1.122 GB, free: 8.352 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.986e-05/1.109, allocations: 15.95 kB / 1.122 GB, free: 8.336 MB / 0.7169 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 0.03342/1.142, allocations: 15.99 MB / 1.137 GB, free: 8.211 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.856e-05/1.142, allocations: 10.23 kB / 1.137 GB, free: 8.203 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003373/1.145, allocations: 0.7372 MB / 1.138 GB, free: 7.465 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01878/1.164, allocations: 5.177 MB / 1.143 GB, free: 2.266 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004842/1.165, allocations: 71.95 kB / 1.143 GB, free: 2.195 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04282/1.208, allocations: 26.96 MB / 1.169 GB, free: 6.84 MB / 0.7637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.136e-05/1.208, allocations: 12.03 kB / 1.169 GB, free: 6.828 MB / 0.7637 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 0.02622/1.234, allocations: 9.867 MB / 1.179 GB, free: 12.75 MB / 0.7794 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002059/1.236, allocations: 0.6643 MB / 1.18 GB, free: 12.09 MB / 0.7794 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005191/1.236, allocations: 52 kB / 1.18 GB, free: 12.04 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00373/1.24, allocations: 0.5109 MB / 1.18 GB, free: 11.52 MB / 0.7794 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007269/1.241, allocations: 238.2 kB / 1.18 GB, free: 11.29 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002443/1.241, allocations: 95.95 kB / 1.181 GB, free: 11.2 MB / 0.7794 GB
Notification: Performance of sorting global known variables: time 0.001531/1.243, allocations: 0.9684 MB / 1.181 GB, free: 10.22 MB / 0.7794 GB
Notification: Performance of sort global known variables: time 1e-07/1.243, allocations: 0 / 1.181 GB, free: 10.22 MB / 0.7794 GB
Notification: Performance of remove unused functions: time 0.005683/1.248, allocations: 1.844 MB / 1.183 GB, free: 8.379 MB / 0.7794 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 0.02747/1.276, allocations: 10.54 MB / 1.194 GB, free: 13.62 MB / 0.795 GB
Notification: Performance of simCode: created initialization part: time 0.02948/1.305, allocations: 12.02 MB / 1.205 GB, free: 1.504 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 7.914e-06/1.305, allocations: 0 / 1.205 GB, free: 1.504 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.01045/1.316, allocations: 4.272 MB / 1.209 GB, free: 13.2 MB / 0.8106 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001907/1.318, allocations: 281.2 kB / 1.21 GB, free: 12.93 MB / 0.8106 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 simCode: created linear, non-linear and system jacobian parts: time 0.09587/1.413, allocations: 41.36 MB / 1.25 GB, free: 2.367 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003217/1.417, allocations: 2.84 MB / 1.253 GB, free: 15.49 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.00432/1.421, allocations: 1.649 MB / 1.255 GB, free: 13.84 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001772/1.423, allocations: 1.206 MB / 1.256 GB, free: 12.63 MB / 0.8575 GB
Notification: Performance of SimCode: time 8.02e-07/1.423, allocations: 0 / 1.256 GB, free: 12.63 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5315/1.954, allocations: 106.8 MB / 1.36 GB, free: 316.6 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.94/18.89, allocations: 8.5 kB / 1.36 GB, free: 316.6 MB / 0.92 GB
"
[Timeout remaining time 641]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_BalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 22.962847883001814]
Failed to read output from testmodel.py, exit status != 0:
19.050973099998373 19.062763099 18.79774672
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f91844caf20>