Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 0.0007347/0.0007347, allocations: 80.44 kB / 19.17 MB, free: 0.7461 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 0.0007817/0.0007817, 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 0.8515/0.8515, allocations: 177.1 MB / 202.8 MB, free: 5.746 MB / 186.7 MB
"
[Timeout remaining time 179]
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 0.001448/0.001448, allocations: 233.4 kB / 259.4 MB, free: 13.02 MB / 250.7 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 0.6874/0.6874, allocations: 138.4 MB / 454.3 MB, free: 30.05 MB / 410.7 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.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.372e-06/1.372e-06, allocations: 0 / 0.6464 GB, free: 1.762 MB / 0.5573 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.034e-05/2.171e-05, allocations: 9.172 kB / 0.6464 GB, free: 1.754 MB / 0.5573 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.2393/0.2393, allocations: 17.51 MB / 0.6635 GB, free: 47.56 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.00782/0.2471, allocations: 6.657 MB / 0.67 GB, free: 43.32 MB / 0.5573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001315/0.2484, allocations: 64 kB / 0.6701 GB, free: 43.3 MB / 0.5573 GB
Notification: Performance of NFTyping.typeComponents: time 0.001944/0.2504, allocations: 1.49 MB / 0.6715 GB, free: 42.5 MB / 0.5573 GB
Notification: Performance of NFTyping.typeBindings: time 0.002304/0.2527, allocations: 1.487 MB / 0.673 GB, free: 41.65 MB / 0.5573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002179/0.2548, allocations: 1.281 MB / 0.6742 GB, free: 40.97 MB / 0.5573 GB
Notification: Performance of NFFlatten.flatten: time 0.004038/0.2589, allocations: 5.554 MB / 0.6797 GB, free: 38.57 MB / 0.5573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003624/0.2625, allocations: 3.398 MB / 0.683 GB, free: 36.86 MB / 0.5573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00391/0.2664, allocations: 3.328 MB / 0.6862 GB, free: 35.25 MB / 0.5573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003733/0.2701, allocations: 2.889 MB / 0.689 GB, free: 34.31 MB / 0.5573 GB
Notification: Performance of NFPackage.collectConstants: time 0.001268/0.2714, allocations: 0.5135 MB / 0.6895 GB, free: 34.31 MB / 0.5573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002385/0.2738, allocations: 1.215 MB / 0.6907 GB, free: 34.07 MB / 0.5573 GB
Notification: Performance of NFScalarize.scalarize: time 0.002399/0.2762, allocations: 2.41 MB / 0.6931 GB, free: 33.01 MB / 0.5573 GB
Notification: Performance of NFVerifyModel.verify: time 0.002444/0.2786, allocations: 1.547 MB / 0.6946 GB, free: 32.24 MB / 0.5573 GB
Notification: Performance of NFConvertDAE.convert: time 0.008022/0.2867, allocations: 7.996 MB / 0.7024 GB, free: 27.29 MB / 0.5573 GB
Notification: Performance of FrontEnd - DAE generated: time 5.801e-06/0.2867, allocations: 0 / 0.7024 GB, free: 27.29 MB / 0.5573 GB
Notification: Performance of FrontEnd: time 1.863e-06/0.2867, allocations: 0 / 0.7024 GB, free: 27.29 MB / 0.5573 GB
Notification: Performance of Transformations before backend: time 0.0002356/0.2869, allocations: 0 / 0.7024 GB, free: 27.29 MB / 0.5573 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 0.009103/0.296, allocations: 3.799 MB / 0.7061 GB, free: 24.73 MB / 0.5573 GB
Notification: Performance of prepare preOptimizeDAE: time 4.575e-05/0.2961, allocations: 10.78 kB / 0.7061 GB, free: 24.73 MB / 0.5573 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005999/0.2967, allocations: 0.5505 MB / 0.7067 GB, free: 24.34 MB / 0.5573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007162/0.3038, allocations: 2.432 MB / 0.709 GB, free: 23.18 MB / 0.5573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005053/0.3089, allocations: 2.172 MB / 0.7112 GB, free: 21.88 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001947/0.3091, allocations: 267.9 kB / 0.7114 GB, free: 21.76 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009877/0.3101, allocations: 351 kB / 0.7117 GB, free: 21.64 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01053/0.3206, allocations: 7.243 MB / 0.7188 GB, free: 16.9 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.483e-05/0.3206, allocations: 3.938 kB / 0.7188 GB, free: 16.89 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003247/0.321, allocations: 150.1 kB / 0.719 GB, free: 16.75 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002998/0.3213, allocations: 330.8 kB / 0.7193 GB, free: 16.43 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009142/0.3304, allocations: 7.036 MB / 0.7262 GB, free: 9.379 MB / 0.5573 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 0.01986/0.3503, allocations: 18.5 MB / 0.7442 GB, free: 6.34 MB / 0.573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004579/0.3549, allocations: 3.721 MB / 0.7479 GB, free: 2.602 MB / 0.573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003468/0.3583, allocations: 2.53 MB / 0.7503 GB, free: 56 kB / 0.573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001381/0.3585, allocations: 53.84 kB / 0.7504 GB, free: 4 kB / 0.573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.601e-05/0.3585, allocations: 60.56 kB / 0.7504 GB, free: 15.93 MB / 0.5886 GB
Notification: Performance of pre-optimization done (n=208): time 3.777e-06/0.3585, allocations: 0.6562 kB / 0.7504 GB, free: 15.93 MB / 0.5886 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 0.05636/0.4149, allocations: 30.81 MB / 0.7805 GB, free: 1.129 MB / 0.6042 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.625e-05/0.415, allocations: 235.6 kB / 0.7808 GB, free: 0.8516 MB / 0.6042 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001758/0.4167, allocations: 1.519 MB / 0.7822 GB, free: 15.32 MB / 0.6198 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004595/0.4172, allocations: 69.7 kB / 0.7823 GB, free: 15.25 MB / 0.6198 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007086/0.4179, allocations: 1.542 MB / 0.7838 GB, free: 13.69 MB / 0.6198 GB
Notification: Performance of collectInitialBindings (initialization): time 0.000742/0.4186, allocations: 0.9603 MB / 0.7847 GB, free: 12.73 MB / 0.6198 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008317/0.4195, allocations: 0.636 MB / 0.7854 GB, free: 12.08 MB / 0.6198 GB
Notification: Performance of setup shared object (initialization): time 7.341e-05/0.4195, allocations: 305.1 kB / 0.7857 GB, free: 11.78 MB / 0.6198 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003653/0.4232, allocations: 2.69 MB / 0.7883 GB, free: 9.082 MB / 0.6198 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00405/0.4272, allocations: 3.643 MB / 0.7918 GB, free: 5.043 MB / 0.6198 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007427/0.4347, allocations: 6.399 MB / 0.7981 GB, free: 14.25 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.989e-05/0.4347, allocations: 8 kB / 0.7981 GB, free: 14.24 MB / 0.6355 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 0.01593/0.4506, allocations: 10.8 MB / 0.8086 GB, free: 3.371 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 3.087e-05/0.4506, allocations: 16 kB / 0.8087 GB, free: 3.355 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.569e-05/0.4507, allocations: 28 kB / 0.8087 GB, free: 3.328 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01041/0.4611, allocations: 5.531 MB / 0.8141 GB, free: 13.79 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002514/0.4636, allocations: 0.9945 MB / 0.8151 GB, free: 12.79 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02747/0.4911, allocations: 27.49 MB / 0.8419 GB, free: 0.9297 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002861/0.4939, allocations: 0.5771 MB / 0.8425 GB, free: 360 kB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004003/0.4943, allocations: 151.9 kB / 0.8426 GB, free: 208 kB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005506/0.4998, allocations: 3.984 MB / 0.8465 GB, free: 12.21 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003893/0.5037, allocations: 3.611 MB / 0.85 GB, free: 8.203 MB / 0.6823 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04563/0.5494, allocations: 24.46 MB / 0.8739 GB, free: 15.26 MB / 0.7136 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.551e-05/0.5494, allocations: 8 kB / 0.8739 GB, free: 15.25 MB / 0.7136 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 0.01468/0.5641, allocations: 10.17 MB / 0.8839 GB, free: 5.012 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 2.56e-05/0.5641, allocations: 18.03 kB / 0.8839 GB, free: 4.996 MB / 0.7136 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.84e-05/0.5641, allocations: 28 kB / 0.8839 GB, free: 4.969 MB / 0.7136 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.00793/0.572, allocations: 4.32 MB / 0.8881 GB, free: 0.6367 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002479/0.5745, allocations: 1.041 MB / 0.8891 GB, free: 15.59 MB / 0.7292 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02156/0.5961, allocations: 26.26 MB / 0.9148 GB, free: 4.746 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002612/0.5987, allocations: 0.5538 MB / 0.9153 GB, free: 4.191 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002367/0.5989, allocations: 155.9 kB / 0.9155 GB, free: 4.039 MB / 0.7448 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 0.0006856/0.5996, allocations: 400.8 kB / 0.9159 GB, free: 3.641 MB / 0.7448 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003453/0.6, allocations: 206.7 kB / 0.9161 GB, free: 3.438 MB / 0.7448 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 0.01496/0.6149, allocations: 9.93 MB / 0.9258 GB, free: 9.473 MB / 0.7605 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.394e-05/0.615, allocations: 28 kB / 0.9258 GB, free: 9.445 MB / 0.7605 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.101e-05/0.615, allocations: 12 kB / 0.9258 GB, free: 9.434 MB / 0.7605 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.98e-05/0.615, allocations: 19.88 kB / 0.9258 GB, free: 9.414 MB / 0.7605 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 0.274/0.8891, allocations: 15.35 MB / 0.9408 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.567e-05/0.8891, allocations: 7.344 kB / 0.9408 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001932/0.891, allocations: 0.7401 MB / 0.9415 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009911/0.9009, allocations: 5.169 MB / 0.9466 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005554/0.9015, allocations: 71.55 kB / 0.9466 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0272/0.9287, allocations: 26.55 MB / 0.9726 GB, free: 222.3 MB / 0.7605 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.605e-06/0.9287, allocations: 12.94 kB / 0.9726 GB, free: 222.3 MB / 0.7605 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 0.01406/0.9427, allocations: 9.86 MB / 0.9822 GB, free: 219.3 MB / 0.7605 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001528/0.9443, allocations: 0.6618 MB / 0.9829 GB, free: 219.1 MB / 0.7605 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003152/0.9446, allocations: 57.56 kB / 0.9829 GB, free: 219.1 MB / 0.7605 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001846/0.9464, allocations: 0.5074 MB / 0.9834 GB, free: 219.1 MB / 0.7605 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006718/0.9471, allocations: 239.8 kB / 0.9836 GB, free: 219 MB / 0.7605 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001612/0.9473, allocations: 91.83 kB / 0.9837 GB, free: 219 MB / 0.7605 GB
Notification: Performance of sorting global known variables: time 0.001105/0.9484, allocations: 1.002 MB / 0.9847 GB, free: 218.6 MB / 0.7605 GB
Notification: Performance of sort global known variables: time 7e-08/0.9484, allocations: 3.844 kB / 0.9847 GB, free: 218.6 MB / 0.7605 GB
Notification: Performance of remove unused functions: time 0.004965/0.9533, allocations: 1.856 MB / 0.9865 GB, free: 218.4 MB / 0.7605 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 0.0133/0.9666, allocations: 10.51 MB / 0.9968 GB, free: 214.2 MB / 0.7605 GB
Notification: Performance of simCode: created initialization part: time 0.01617/0.9828, allocations: 12.01 MB / 1.009 GB, free: 205.9 MB / 0.7605 GB
Notification: Performance of simCode: created event and clocks part: time 9.498e-06/0.9828, allocations: 5.312 kB / 1.009 GB, free: 205.9 MB / 0.7605 GB
Notification: Performance of simCode: created simulation system equations: time 0.00554/0.9884, allocations: 4.263 MB / 1.013 GB, free: 201.6 MB / 0.7605 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001596/0.99, allocations: 286 kB / 1.013 GB, free: 201.4 MB / 0.7605 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 0.05359/1.044, allocations: 42.19 MB / 1.054 GB, free: 158 MB / 0.7605 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002034/1.046, allocations: 2.287 MB / 1.056 GB, free: 155.7 MB / 0.7605 GB
Notification: Performance of simCode: alias equations: time 0.0027/1.048, allocations: 1.656 MB / 1.058 GB, free: 154 MB / 0.7605 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001051/1.049, allocations: 1.23 MB / 1.059 GB, free: 152.8 MB / 0.7605 GB
Notification: Performance of SimCode: time 1.383e-06/1.049, allocations: 0 / 1.059 GB, free: 152.8 MB / 0.7605 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09207/1.141, allocations: 104.5 MB / 1.161 GB, free: 49 MB / 0.7605 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.524/10.67, allocations: 8 kB / 1.161 GB, free: 48.99 MB / 0.7605 GB
"
[Timeout remaining time 649]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 13.240504728630185]
Failed to read output from testmodel.py, exit status != 0:
10.79364082403481 10.802772448 10.514201752
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7791e01b03e0>