Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001274/0.001274, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.001421/0.001421, allocations: 215.2 kB / 22.25 MB, free: 5.082 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 1.431/1.431, allocations: 230.6 MB / 256 MB, free: 8.012 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 0.002592/0.002592, allocations: 278.5 kB / 312.7 MB, free: 2.82 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 1.23/1.23, allocations: 180.6 MB / 0.5369 GB, free: 13.05 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.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: NcDataReader2 requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: BuildingSystems requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.002956/0.002956, allocations: 106.3 kB / 0.7397 GB, free: 28.39 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1636/0.1666, allocations: 95.38 MB / 0.8328 GB, free: 8.594 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02515/0.1917, allocations: 19.28 MB / 0.8517 GB, free: 5.246 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01428/0.206, allocations: 7.128 MB / 0.8586 GB, free: 14.1 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002545/0.2085, allocations: 63.75 kB / 0.8587 GB, free: 14.04 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.004772/0.2133, allocations: 1.535 MB / 0.8602 GB, free: 12.5 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.00413/0.2174, allocations: 1.467 MB / 0.8616 GB, free: 11.02 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004309/0.2217, allocations: 1.312 MB / 0.8629 GB, free: 9.711 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.008016/0.2298, allocations: 5.48 MB / 0.8682 GB, free: 4.219 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005427/0.2352, allocations: 3.402 MB / 0.8716 GB, free: 0.7188 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00385/0.239, allocations: 2.412 MB / 0.8739 GB, free: 14.3 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006205/0.2452, allocations: 3.183 MB / 0.877 GB, free: 11.11 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.00149/0.2467, allocations: 0.5156 MB / 0.8775 GB, free: 10.59 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002904/0.2496, allocations: 1.291 MB / 0.8788 GB, free: 9.301 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.002853/0.2525, allocations: 2.296 MB / 0.881 GB, free: 7 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.003457/0.2559, allocations: 2.194 MB / 0.8832 GB, free: 4.797 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.008983/0.2649, allocations: 7.796 MB / 0.8908 GB, free: 12.98 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 5.15e-06/0.2649, allocations: 0 / 0.8908 GB, free: 12.98 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.613e-06/0.2649, allocations: 0 / 0.8908 GB, free: 12.98 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0001671/0.2651, allocations: 0 / 0.8908 GB, free: 12.98 MB / 0.6387 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.008282/0.2734, allocations: 3.844 MB / 0.8945 GB, free: 9.086 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.691e-05/0.2734, allocations: 9.938 kB / 0.8945 GB, free: 9.078 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008142/0.2742, allocations: 0.5465 MB / 0.8951 GB, free: 8.523 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01279/0.287, allocations: 2.432 MB / 0.8975 GB, free: 6.086 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006206/0.2932, allocations: 2.169 MB / 0.8996 GB, free: 3.887 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002937/0.2935, allocations: 275.3 kB / 0.8998 GB, free: 3.617 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001477/0.295, allocations: 344 kB / 0.9002 GB, free: 3.281 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01559/0.3106, allocations: 7.155 MB / 0.9072 GB, free: 12.03 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.195e-05/0.3107, allocations: 3.938 kB / 0.9072 GB, free: 12.02 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004377/0.3111, allocations: 152 kB / 0.9073 GB, free: 11.88 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004841/0.3116, allocations: 334.1 kB / 0.9076 GB, free: 11.55 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01696/0.3285, allocations: 7.043 MB / 0.9145 GB, free: 4.492 MB / 0.6544 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03816/0.3667, allocations: 26.07 MB / 0.94 GB, free: 8.301 MB / 0.6856 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007986/0.3747, allocations: 3.734 MB / 0.9436 GB, free: 4.539 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006007/0.3807, allocations: 2.526 MB / 0.9461 GB, free: 1.992 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002544/0.381, allocations: 53.94 kB / 0.9461 GB, free: 1.941 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.067e-05/0.381, allocations: 60.5 kB / 0.9462 GB, free: 1.871 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 3.717e-06/0.381, allocations: 0 / 0.9462 GB, free: 1.871 MB / 0.6856 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.1035/0.4845, allocations: 30.78 MB / 0.9762 GB, free: 3.094 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001502/0.4847, allocations: 239.6 kB / 0.9765 GB, free: 2.812 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002311/0.487, allocations: 1.473 MB / 0.9779 GB, free: 1.332 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005334/0.4875, allocations: 73.64 kB / 0.978 GB, free: 1.254 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.3682/0.8557, allocations: 1.548 MB / 0.9795 GB, free: 133.3 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001412/0.8571, allocations: 0.9646 MB / 0.9804 GB, free: 133.1 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001425/0.8586, allocations: 0.6356 MB / 0.9811 GB, free: 133 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 6.262e-05/0.8586, allocations: 309.1 kB / 0.9813 GB, free: 132.7 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006316/0.8649, allocations: 2.687 MB / 0.984 GB, free: 132.5 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00706/0.872, allocations: 3.564 MB / 0.9875 GB, free: 130.6 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0135/0.8855, allocations: 6.4 MB / 0.9937 GB, free: 127.6 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.941e-05/0.8855, allocations: 11.5 kB / 0.9937 GB, free: 127.6 MB / 0.7169 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02788/0.9134, allocations: 10.76 MB / 1.004 GB, free: 124.7 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 5.521e-05/0.9135, allocations: 20.23 kB / 1.004 GB, free: 124.7 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.758e-05/0.9135, allocations: 27.75 kB / 1.004 GB, free: 124.7 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0182/0.9317, allocations: 5.557 MB / 1.01 GB, free: 122.6 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004231/0.9359, allocations: 0.9997 MB / 1.011 GB, free: 122.3 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03383/0.9698, allocations: 27.89 MB / 1.038 GB, free: 95.59 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004288/0.9741, allocations: 0.5752 MB / 1.038 GB, free: 95.01 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004125/0.9745, allocations: 148 kB / 1.039 GB, free: 94.87 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006413/0.9809, allocations: 3.985 MB / 1.043 GB, free: 90.88 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005162/0.9861, allocations: 3.528 MB / 1.046 GB, free: 86.97 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0776/1.064, allocations: 24.46 MB / 1.07 GB, free: 62.05 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.016e-05/1.064, allocations: 8 kB / 1.07 GB, free: 62.04 MB / 0.7169 GB
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02146/1.085, allocations: 10.18 MB / 1.08 GB, free: 51.8 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 2.872e-05/1.085, allocations: 16 kB / 1.08 GB, free: 51.79 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.58e-05/1.085, allocations: 28 kB / 1.08 GB, free: 51.76 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01312/1.098, allocations: 4.326 MB / 1.084 GB, free: 47.42 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004225/1.103, allocations: 1.042 MB / 1.085 GB, free: 46.38 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02694/1.129, allocations: 26.75 MB / 1.111 GB, free: 19.04 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004191/1.134, allocations: 0.556 MB / 1.112 GB, free: 18.48 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003715/1.134, allocations: 155.9 kB / 1.112 GB, free: 18.33 MB / 0.7169 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0008037/1.135, allocations: 397.1 kB / 1.112 GB, free: 17.95 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004829/1.135, allocations: 214.7 kB / 1.112 GB, free: 17.74 MB / 0.7169 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02253/1.158, allocations: 9.941 MB / 1.122 GB, free: 7.773 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.7e-05/1.158, allocations: 28 kB / 1.122 GB, free: 7.746 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.712e-05/1.158, allocations: 14.19 kB / 1.122 GB, free: 7.734 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.336e-05/1.158, allocations: 11.95 kB / 1.122 GB, free: 7.723 MB / 0.7169 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03429/1.192, allocations: 16.04 MB / 1.138 GB, free: 7.539 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.837e-05/1.192, allocations: 8 kB / 1.138 GB, free: 7.531 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003479/1.196, allocations: 0.7375 MB / 1.139 GB, free: 6.793 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01913/1.215, allocations: 5.173 MB / 1.144 GB, free: 1.598 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004597/1.215, allocations: 75.95 kB / 1.144 GB, free: 1.523 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04278/1.258, allocations: 26.92 MB / 1.17 GB, free: 6.199 MB / 0.7637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.104e-05/1.258, allocations: 16.03 kB / 1.17 GB, free: 6.184 MB / 0.7637 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 0.02664/1.285, allocations: 9.917 MB / 1.18 GB, free: 12.06 MB / 0.7794 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002245/1.287, allocations: 0.6526 MB / 1.18 GB, free: 11.41 MB / 0.7794 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000524/1.288, allocations: 55.95 kB / 1.18 GB, free: 11.35 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003556/1.291, allocations: 0.5109 MB / 1.181 GB, free: 10.84 MB / 0.7794 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007631/1.292, allocations: 245.8 kB / 1.181 GB, free: 10.6 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002404/1.292, allocations: 91.95 kB / 1.181 GB, free: 10.51 MB / 0.7794 GB
Notification: Performance of sorting global known variables: time 0.001669/1.294, allocations: 1.001 MB / 1.182 GB, free: 9.508 MB / 0.7794 GB
Notification: Performance of sort global known variables: time 7e-08/1.294, allocations: 0 / 1.182 GB, free: 9.508 MB / 0.7794 GB
Notification: Performance of remove unused functions: time 0.005725/1.299, allocations: 1.855 MB / 1.184 GB, free: 7.652 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 : 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 0.02667/1.326, allocations: 10.56 MB / 1.194 GB, free: 12.87 MB / 0.795 GB
Notification: Performance of simCode: created initialization part: time 0.0298/1.356, allocations: 12.02 MB / 1.206 GB, free: 0.7422 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.155e-05/1.356, allocations: 0 / 1.206 GB, free: 0.7422 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.01129/1.367, allocations: 4.239 MB / 1.21 GB, free: 12.46 MB / 0.8106 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002321/1.37, allocations: 298.9 kB / 1.211 GB, free: 12.18 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1012/1.471, allocations: 42.09 MB / 1.252 GB, free: 0.8867 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003706/1.474, allocations: 2.846 MB / 1.254 GB, free: 14 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004525/1.479, allocations: 1.661 MB / 1.256 GB, free: 12.34 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002054/1.481, allocations: 1.222 MB / 1.257 GB, free: 11.12 MB / 0.8575 GB
Notification: Performance of SimCode: time 9.42e-07/1.481, allocations: 0 / 1.257 GB, free: 11.12 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.6093/2.09, allocations: 107.8 MB / 1.362 GB, free: 315.9 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.03/19.12, allocations: 7.922 kB / 1.362 GB, free: 315.9 MB / 0.92 GB
"
[Timeout remaining time 641]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 23.326044168999942]
Failed to read output from testmodel.py, exit status != 0:
19.27522197700091 19.286866116 19.019230355
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7ff70a0cef20>