Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.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 0.0008736/0.0008736, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.0008792/0.0008792, allocations: 165.9 kB / 22.45 MB, free: 2.109 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8943/0.8943, allocations: 177.1 MB / 202.8 MB, free: 5.73 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 1.78/1.78, allocations: 377.9 MB / 0.6221 GB, free: 8.672 MB / 0.5886 GB
"
[Timeout remaining time 178]
Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 2.214e-06/2.214e-06, allocations: 0 / 0.9811 GB, free: 2.477 MB / 0.9323 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.842e-05/2.063e-05, allocations: 2.281 kB / 0.9811 GB, free: 2.473 MB / 0.9323 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01342/0.01344, allocations: 17.54 MB / 0.9982 GB, free: 0.875 MB / 0.948 GB
Notification: Performance of NFInst.instExpressions: time 0.007611/0.02105, allocations: 6.671 MB / 1.005 GB, free: 10.19 MB / 0.9636 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0008986/0.02195, allocations: 63.75 kB / 1.005 GB, free: 10.12 MB / 0.9636 GB
Notification: Performance of NFTyping.typeComponents: time 0.001795/0.02375, allocations: 1.473 MB / 1.006 GB, free: 8.645 MB / 0.9636 GB
Notification: Performance of NFTyping.typeBindings: time 0.002116/0.02586, allocations: 1.492 MB / 1.008 GB, free: 7.145 MB / 0.9636 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001844/0.02771, allocations: 1.287 MB / 1.009 GB, free: 5.859 MB / 0.9636 GB
Notification: Performance of NFFlatten.flatten: time 0.003849/0.03156, allocations: 5.553 MB / 1.014 GB, free: 300 kB / 0.9636 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00303/0.03459, allocations: 3.375 MB / 1.018 GB, free: 12.82 MB / 0.9792 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002375/0.03696, allocations: 3.329 MB / 1.021 GB, free: 9.488 MB / 0.9792 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00232/0.03928, allocations: 2.884 MB / 1.024 GB, free: 6.598 MB / 0.9792 GB
Notification: Performance of NFPackage.collectConstants: time 0.0005256/0.03981, allocations: 0.5156 MB / 1.024 GB, free: 6.082 MB / 0.9792 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001332/0.04114, allocations: 1.213 MB / 1.025 GB, free: 4.867 MB / 0.9792 GB
Notification: Performance of NFScalarize.scalarize: time 0.001234/0.04237, allocations: 2.42 MB / 1.028 GB, free: 2.441 MB / 0.9792 GB
Notification: Performance of NFVerifyModel.verify: time 0.001014/0.04339, allocations: 1.552 MB / 1.029 GB, free: 0.8867 MB / 0.9792 GB
Notification: Performance of NFConvertDAE.convert: time 0.00457/0.04796, allocations: 7.991 MB / 1.037 GB, free: 8.875 MB / 0.9948 GB
Notification: Performance of FrontEnd - DAE generated: time 3.727e-06/0.04796, allocations: 0 / 1.037 GB, free: 8.875 MB / 0.9948 GB
Notification: Performance of FrontEnd: time 1.453e-06/0.04796, allocations: 0 / 1.037 GB, free: 8.875 MB / 0.9948 GB
Notification: Performance of Transformations before backend: time 5.072e-05/0.04801, allocations: 0 / 1.037 GB, free: 8.875 MB / 0.9948 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 0.004314/0.05233, allocations: 3.801 MB / 1.041 GB, free: 5.027 MB / 0.9948 GB
Notification: Performance of prepare preOptimizeDAE: time 4.161e-05/0.05237, allocations: 8.031 kB / 1.041 GB, free: 5.02 MB / 0.9948 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004847/0.05285, allocations: 0.5465 MB / 1.041 GB, free: 4.465 MB / 0.9948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006266/0.05912, allocations: 2.433 MB / 1.044 GB, free: 2.027 MB / 0.9948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.4329/0.492, allocations: 2.175 MB / 1.046 GB, free: 96.91 MB / 0.9948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001832/0.4922, allocations: 264.3 kB / 1.046 GB, free: 96.91 MB / 0.9948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001126/0.4934, allocations: 353.6 kB / 1.046 GB, free: 96.91 MB / 0.9948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007991/0.5013, allocations: 7.237 MB / 1.053 GB, free: 94.48 MB / 0.9948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.106e-05/0.5014, allocations: 6.359 kB / 1.053 GB, free: 94.48 MB / 0.9948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000293/0.5017, allocations: 147.6 kB / 1.054 GB, free: 94.37 MB / 0.9948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002519/0.5019, allocations: 340.6 kB / 1.054 GB, free: 94.34 MB / 0.9948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007796/0.5097, allocations: 7.032 MB / 1.061 GB, free: 92.34 MB / 0.9948 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 0.0159/0.5256, allocations: 18.5 MB / 1.079 GB, free: 82.02 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004316/0.53, allocations: 3.729 MB / 1.083 GB, free: 80.75 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003576/0.5335, allocations: 2.521 MB / 1.085 GB, free: 80.02 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001424/0.5337, allocations: 48.8 kB / 1.085 GB, free: 80 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.973e-05/0.5337, allocations: 63.73 kB / 1.085 GB, free: 79.95 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=208): time 4.168e-06/0.5337, allocations: 0 / 1.085 GB, free: 79.95 MB / 0.9948 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 0.05899/0.5927, allocations: 30.8 MB / 1.115 GB, free: 73.03 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.694e-05/0.5928, allocations: 242.1 kB / 1.115 GB, free: 72.77 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001548/0.5943, allocations: 1.526 MB / 1.117 GB, free: 72.21 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002301/0.5945, allocations: 70.58 kB / 1.117 GB, free: 72.15 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004872/0.595, allocations: 1.542 MB / 1.118 GB, free: 71.01 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005004/0.5955, allocations: 0.9565 MB / 1.119 GB, free: 70.26 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007913/0.5963, allocations: 0.6351 MB / 1.12 GB, free: 69.91 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 3.444e-05/0.5964, allocations: 302.4 kB / 1.12 GB, free: 69.61 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003442/0.5998, allocations: 2.69 MB / 1.123 GB, free: 68.21 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003768/0.6036, allocations: 3.644 MB / 1.127 GB, free: 65.61 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00713/0.6107, allocations: 6.401 MB / 1.133 GB, free: 61.59 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.066e-05/0.6107, allocations: 8.688 kB / 1.133 GB, free: 61.59 MB / 0.9948 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 0.01424/0.625, allocations: 10.8 MB / 1.143 GB, free: 54.03 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 2.975e-05/0.625, allocations: 18.19 kB / 1.143 GB, free: 54.01 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.802e-05/0.625, allocations: 28 kB / 1.143 GB, free: 53.98 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.009209/0.6342, allocations: 5.535 MB / 1.149 GB, free: 48.43 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002138/0.6364, allocations: 0.9945 MB / 1.15 GB, free: 47.44 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02112/0.6575, allocations: 27.48 MB / 1.177 GB, free: 19.62 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002597/0.6601, allocations: 0.5733 MB / 1.177 GB, free: 19.04 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001793/0.6603, allocations: 155.9 kB / 1.177 GB, free: 18.89 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004591/0.6649, allocations: 3.98 MB / 1.181 GB, free: 14.9 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003123/0.668, allocations: 3.607 MB / 1.185 GB, free: 10.9 MB / 0.9948 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04406/0.712, allocations: 24.47 MB / 1.209 GB, free: 1.957 MB / 1.01 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.964e-05/0.7121, allocations: 4 kB / 1.209 GB, free: 1.953 MB / 1.01 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 0.01505/0.7271, allocations: 10.17 MB / 1.219 GB, free: 7.711 MB / 1.026 GB
Notification: Performance of prepare postOptimizeDAE: time 2.02e-05/0.7271, allocations: 16 kB / 1.219 GB, free: 7.695 MB / 1.026 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.784e-05/0.7272, allocations: 32.03 kB / 1.219 GB, free: 7.664 MB / 1.026 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.007941/0.7351, allocations: 4.316 MB / 1.223 GB, free: 3.332 MB / 1.026 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002256/0.7374, allocations: 1.037 MB / 1.224 GB, free: 2.293 MB / 1.026 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02157/0.7589, allocations: 26.26 MB / 1.249 GB, free: 7.465 MB / 1.057 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002624/0.7615, allocations: 0.5614 MB / 1.25 GB, free: 6.902 MB / 1.057 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001922/0.7617, allocations: 151.9 kB / 1.25 GB, free: 6.754 MB / 1.057 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 0.00074/0.7625, allocations: 400.5 kB / 1.251 GB, free: 6.355 MB / 1.057 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003643/0.7628, allocations: 206.7 kB / 1.251 GB, free: 6.152 MB / 1.057 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 0.01467/0.7775, allocations: 9.938 MB / 1.26 GB, free: 12.18 MB / 1.073 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.697e-05/0.7775, allocations: 28 kB / 1.26 GB, free: 12.15 MB / 1.073 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.36e-05/0.7775, allocations: 12 kB / 1.26 GB, free: 12.14 MB / 1.073 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.876e-05/0.7776, allocations: 15.95 kB / 1.26 GB, free: 12.12 MB / 1.073 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 0.02048/0.798, allocations: 15.37 MB / 1.275 GB, free: 12.64 MB / 1.089 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.001e-05/0.798, allocations: 4 kB / 1.275 GB, free: 12.63 MB / 1.089 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001632/0.7997, allocations: 0.7411 MB / 1.276 GB, free: 11.89 MB / 1.089 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009603/0.8093, allocations: 5.168 MB / 1.281 GB, free: 6.711 MB / 1.089 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000182/0.8095, allocations: 75.95 kB / 1.281 GB, free: 6.637 MB / 1.089 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0249/0.8344, allocations: 26.55 MB / 1.307 GB, free: 11.68 MB / 1.12 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.137e-06/0.8344, allocations: 16.03 kB / 1.307 GB, free: 11.66 MB / 1.12 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 0.01467/0.849, allocations: 9.857 MB / 1.317 GB, free: 1.594 MB / 1.12 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001008/0.8501, allocations: 0.6662 MB / 1.318 GB, free: 0.9258 MB / 1.12 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002178/0.8503, allocations: 55.98 kB / 1.318 GB, free: 0.8711 MB / 1.12 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001706/0.852, allocations: 0.5031 MB / 1.318 GB, free: 376 kB / 1.12 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004281/0.8524, allocations: 238.3 kB / 1.318 GB, free: 136 kB / 1.12 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001418/0.8525, allocations: 99.95 kB / 1.318 GB, free: 36 kB / 1.12 GB
Notification: Performance of sorting global known variables: time 0.0009952/0.8535, allocations: 0.9978 MB / 1.319 GB, free: 15.04 MB / 1.135 GB
Notification: Performance of sort global known variables: time 9e-08/0.8535, allocations: 0 / 1.319 GB, free: 15.04 MB / 1.135 GB
Notification: Performance of remove unused functions: time 0.004064/0.8576, allocations: 1.855 MB / 1.321 GB, free: 13.18 MB / 1.135 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 0.01447/0.8721, allocations: 10.52 MB / 1.331 GB, free: 2.441 MB / 1.135 GB
Notification: Performance of simCode: created initialization part: time 0.01682/0.8889, allocations: 12.02 MB / 1.343 GB, free: 6.324 MB / 1.151 GB
Notification: Performance of simCode: created event and clocks part: time 5.971e-06/0.8889, allocations: 2 kB / 1.343 GB, free: 6.324 MB / 1.151 GB
Notification: Performance of simCode: created simulation system equations: time 0.005695/0.8946, allocations: 4.261 MB / 1.347 GB, free: 2.016 MB / 1.151 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001351/0.896, allocations: 298.7 kB / 1.348 GB, free: 1.738 MB / 1.151 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 0.05627/0.9522, allocations: 42.18 MB / 1.389 GB, free: 6.328 MB / 1.198 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002212/0.9544, allocations: 2.293 MB / 1.391 GB, free: 3.992 MB / 1.198 GB
Notification: Performance of simCode: alias equations: time 0.002757/0.9572, allocations: 1.665 MB / 1.393 GB, free: 2.324 MB / 1.198 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001195/0.9584, allocations: 1.223 MB / 1.394 GB, free: 1.102 MB / 1.198 GB
Notification: Performance of SimCode: time 1.613e-06/0.9584, allocations: 3.938 kB / 1.394 GB, free: 1.098 MB / 1.198 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1041/1.063, allocations: 104.5 MB / 1.496 GB, free: 9.207 MB / 1.307 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.2/11.26, allocations: 14.66 kB / 1.496 GB, free: 9.199 MB / 1.307 GB
"
[Timeout remaining time 289]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 15.514607430435717]
Failed to read output from testmodel.py, exit status != 0:
11.384407263249159 11.392303419 11.342667345
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x716ca1d95550>