Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 0.001409/0.001409, allocations: 100.3 kB / 19.69 MB, free: 1.805 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 0.001814/0.001814, allocations: 211.4 kB / 22.99 MB, free: 4.605 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 1.5/1.5, allocations: 230.6 MB / 256.8 MB, free: 7.797 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.9704/0.9704, allocations: 149.9 MB / 463 MB, free: 10.35 MB / 366.1 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: IBPSA 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 0.00239/0.00239, allocations: 68.42 kB / 0.6412 GB, free: 10.04 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1932/0.1956, allocations: 89.18 MB / 0.7283 GB, free: 0.9297 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02563/0.2212, allocations: 17.9 MB / 0.7458 GB, free: 14.96 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.01321/0.2345, allocations: 6.731 MB / 0.7523 GB, free: 8.211 MB / 0.5762 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001878/0.2363, allocations: 67.75 kB / 0.7524 GB, free: 8.145 MB / 0.5762 GB
Notification: Performance of NFTyping.typeComponents: time 0.004073/0.2404, allocations: 1.481 MB / 0.7538 GB, free: 6.66 MB / 0.5762 GB
Notification: Performance of NFTyping.typeBindings: time 0.004113/0.2445, allocations: 1.455 MB / 0.7553 GB, free: 5.199 MB / 0.5762 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003592/0.2481, allocations: 1.275 MB / 0.7565 GB, free: 3.922 MB / 0.5762 GB
Notification: Performance of NFFlatten.flatten: time 0.3772/0.6253, allocations: 5.465 MB / 0.7618 GB, free: 10.65 MB / 0.5762 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00464/0.6299, allocations: 3.377 MB / 0.7651 GB, free: 10.33 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004359/0.6343, allocations: 2.421 MB / 0.7675 GB, free: 10.18 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006491/0.6408, allocations: 3.01 MB / 0.7704 GB, free: 9.934 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.002119/0.6429, allocations: 0.516 MB / 0.7709 GB, free: 9.934 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004171/0.6471, allocations: 1.202 MB / 0.7721 GB, free: 9.934 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.003899/0.651, allocations: 2.304 MB / 0.7744 GB, free: 9.742 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.004621/0.6556, allocations: 1.79 MB / 0.7761 GB, free: 9.355 MB / 0.5762 GB
Notification: Performance of NFConvertDAE.convert: time 0.01241/0.668, allocations: 7.833 MB / 0.7838 GB, free: 8.633 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 5.53e-06/0.668, allocations: 0 / 0.7838 GB, free: 8.633 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 2.154e-06/0.668, allocations: 0.6875 kB / 0.7838 GB, free: 8.633 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0002947/0.6683, allocations: 0 / 0.7838 GB, free: 8.633 MB / 0.5762 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 0.01288/0.6812, allocations: 3.842 MB / 0.7875 GB, free: 7.18 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 5.176e-05/0.6812, allocations: 8.906 kB / 0.7875 GB, free: 7.18 MB / 0.5762 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0012/0.6824, allocations: 0.5415 MB / 0.7881 GB, free: 7.121 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01304/0.6955, allocations: 2.436 MB / 0.7904 GB, free: 6.84 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007769/0.7032, allocations: 2.175 MB / 0.7926 GB, free: 6.207 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003367/0.7036, allocations: 269.8 kB / 0.7928 GB, free: 6.199 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002288/0.7059, allocations: 347.1 kB / 0.7931 GB, free: 6.199 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02189/0.7278, allocations: 7.237 MB / 0.8002 GB, free: 2.215 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000127/0.7279, allocations: 5.281 kB / 0.8002 GB, free: 2.215 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008469/0.7287, allocations: 148.5 kB / 0.8004 GB, free: 2.109 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005129/0.7293, allocations: 339.3 kB / 0.8007 GB, free: 2.012 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01697/0.7462, allocations: 7.036 MB / 0.8076 GB, free: 14.48 MB / 0.5919 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 0.03816/0.7844, allocations: 18.49 MB / 0.8256 GB, free: 212 kB / 0.5919 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00872/0.7931, allocations: 3.726 MB / 0.8292 GB, free: 12.49 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006323/0.7994, allocations: 2.517 MB / 0.8317 GB, free: 9.953 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002562/0.7997, allocations: 48.59 kB / 0.8318 GB, free: 9.91 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.492e-05/0.7997, allocations: 70.27 kB / 0.8318 GB, free: 9.836 MB / 0.6075 GB
Notification: Performance of pre-optimization done (n=208): time 4.559e-06/0.7998, allocations: 4 kB / 0.8318 GB, free: 9.832 MB / 0.6075 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 0.1127/0.9125, allocations: 30.81 MB / 0.8619 GB, free: 11.25 MB / 0.6387 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001456/0.9126, allocations: 242.9 kB / 0.8621 GB, free: 10.97 MB / 0.6387 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00279/0.9154, allocations: 1.52 MB / 0.8636 GB, free: 9.441 MB / 0.6387 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005553/0.916, allocations: 69.7 kB / 0.8637 GB, free: 9.367 MB / 0.6387 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001234/0.9172, allocations: 1.555 MB / 0.8652 GB, free: 7.805 MB / 0.6387 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001335/0.9185, allocations: 0.9645 MB / 0.8662 GB, free: 6.855 MB / 0.6387 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001705/0.9202, allocations: 0.6398 MB / 0.8668 GB, free: 6.207 MB / 0.6387 GB
Notification: Performance of setup shared object (initialization): time 0.0001213/0.9204, allocations: 301.1 kB / 0.8671 GB, free: 5.91 MB / 0.6387 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006421/0.9268, allocations: 2.686 MB / 0.8697 GB, free: 3.215 MB / 0.6387 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007212/0.934, allocations: 3.649 MB / 0.8732 GB, free: 15.18 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01374/0.9477, allocations: 6.401 MB / 0.8795 GB, free: 8.492 MB / 0.6544 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.272e-05/0.9478, allocations: 15.94 kB / 0.8795 GB, free: 8.477 MB / 0.6544 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 0.03022/0.978, allocations: 10.8 MB / 0.8901 GB, free: 13.84 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 4.367e-05/0.978, allocations: 19.28 kB / 0.8901 GB, free: 13.82 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.74e-05/0.9781, allocations: 28 kB / 0.8901 GB, free: 13.8 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02029/0.9984, allocations: 5.528 MB / 0.8955 GB, free: 8.254 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00459/1.003, allocations: 0.9916 MB / 0.8965 GB, free: 7.301 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04608/1.049, allocations: 27.49 MB / 0.9233 GB, free: 11.54 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004995/1.054, allocations: 0.581 MB / 0.9239 GB, free: 10.95 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004673/1.055, allocations: 151.9 kB / 0.924 GB, free: 10.8 MB / 0.7012 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008767/1.063, allocations: 3.987 MB / 0.9279 GB, free: 6.812 MB / 0.7012 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007059/1.07, allocations: 3.6 MB / 0.9314 GB, free: 2.832 MB / 0.7012 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09158/1.162, allocations: 24.46 MB / 0.9553 GB, free: 10.01 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.802e-05/1.162, allocations: 12 kB / 0.9553 GB, free: 10 MB / 0.7325 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 0.02918/1.191, allocations: 10.17 MB / 0.9653 GB, free: 15.84 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 4.153e-05/1.191, allocations: 16 kB / 0.9653 GB, free: 15.83 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.418e-05/1.191, allocations: 24 kB / 0.9653 GB, free: 15.8 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01547/1.207, allocations: 4.317 MB / 0.9695 GB, free: 11.47 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004946/1.212, allocations: 1.049 MB / 0.9705 GB, free: 10.42 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04003/1.252, allocations: 26.26 MB / 0.9962 GB, free: 15.61 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005515/1.257, allocations: 0.5538 MB / 0.9967 GB, free: 15.05 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008018/1.258, allocations: 148 kB / 0.9969 GB, free: 14.91 MB / 0.7794 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 0.001082/1.259, allocations: 408.4 kB / 0.9973 GB, free: 14.5 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007563/1.26, allocations: 214.7 kB / 0.9975 GB, free: 14.29 MB / 0.7794 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 0.02778/1.288, allocations: 9.924 MB / 1.007 GB, free: 4.324 MB / 0.7794 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.577e-05/1.288, allocations: 28 kB / 1.007 GB, free: 4.297 MB / 0.7794 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.182e-05/1.288, allocations: 19.92 kB / 1.007 GB, free: 4.277 MB / 0.7794 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.022e-05/1.288, allocations: 15.95 kB / 1.007 GB, free: 4.262 MB / 0.7794 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 0.04046/1.328, allocations: 15.36 MB / 1.022 GB, free: 4.777 MB / 0.795 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.791e-05/1.328, allocations: 12 kB / 1.022 GB, free: 4.766 MB / 0.795 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003704/1.332, allocations: 0.7298 MB / 1.023 GB, free: 4.035 MB / 0.795 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01885/1.351, allocations: 5.172 MB / 1.028 GB, free: 14.85 MB / 0.8106 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007369/1.352, allocations: 75.95 kB / 1.028 GB, free: 14.78 MB / 0.8106 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04316/1.395, allocations: 26.54 MB / 1.054 GB, free: 3.832 MB / 0.8262 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.187e-05/1.395, allocations: 12.03 kB / 1.054 GB, free: 3.82 MB / 0.8262 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 0.02834/1.423, allocations: 9.878 MB / 1.064 GB, free: 9.734 MB / 0.8419 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002928/1.426, allocations: 0.6662 MB / 1.064 GB, free: 9.066 MB / 0.8419 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008173/1.427, allocations: 60 kB / 1.064 GB, free: 9.008 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003992/1.431, allocations: 0.5031 MB / 1.065 GB, free: 8.504 MB / 0.8419 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008235/1.432, allocations: 234.2 kB / 1.065 GB, free: 8.277 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002629/1.432, allocations: 99.95 kB / 1.065 GB, free: 8.18 MB / 0.8419 GB
Notification: Performance of sorting global known variables: time 0.001845/1.434, allocations: 0.9972 MB / 1.066 GB, free: 7.18 MB / 0.8419 GB
Notification: Performance of sort global known variables: time 3.8e-07/1.434, allocations: 0 / 1.066 GB, free: 7.18 MB / 0.8419 GB
Notification: Performance of remove unused functions: time 0.008704/1.442, allocations: 1.855 MB / 1.068 GB, free: 5.324 MB / 0.8419 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 0.02815/1.471, allocations: 10.54 MB / 1.078 GB, free: 10.56 MB / 0.8575 GB
Notification: Performance of simCode: created initialization part: time 0.4192/1.89, allocations: 12.02 MB / 1.09 GB, free: 299.8 MB / 0.8575 GB
Notification: Performance of simCode: created event and clocks part: time 1.911e-05/1.89, allocations: 1.469 kB / 1.09 GB, free: 299.8 MB / 0.8575 GB
Notification: Performance of simCode: created simulation system equations: time 0.01095/1.901, allocations: 4.263 MB / 1.094 GB, free: 299.4 MB / 0.8575 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002688/1.903, allocations: 287.4 kB / 1.094 GB, free: 299.4 MB / 0.8575 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 0.09781/2.001, allocations: 42.13 MB / 1.136 GB, free: 288 MB / 0.8575 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003064/2.004, allocations: 2.283 MB / 1.138 GB, free: 286.8 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004095/2.008, allocations: 1.656 MB / 1.139 GB, free: 286.1 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001908/2.01, allocations: 1.231 MB / 1.141 GB, free: 285 MB / 0.8575 GB
Notification: Performance of SimCode: time 1.282e-06/2.01, allocations: 0 / 1.141 GB, free: 285 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1438/2.154, allocations: 104.3 MB / 1.242 GB, free: 183.2 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.16/18.32, allocations: 11.92 kB / 1.242 GB, free: 183.2 MB / 0.8575 GB
"
[Timeout remaining time 642]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.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 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 22.31934054987505]
Failed to read output from testmodel.py, exit status != 0:
18.479765926953405 18.490165331 17.819539087
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f7b31ea6fb0>