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 0.0008144/0.0008144, 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 0.001329/0.001329, allocations: 165.9 kB / 22.46 MB, free: 2.105 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 0.8612/0.8612, allocations: 177.1 MB / 202.8 MB, free: 5.758 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 0.001394/0.001394, allocations: 237 kB / 259.4 MB, free: 13.04 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 0.6792/0.6792, allocations: 138.4 MB / 454.3 MB, free: 30.04 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.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: Performance of FrontEnd - loaded program: time 1.764e-06/1.764e-06, allocations: 0 / 0.6464 GB, free: 1.781 MB / 0.5573 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.812e-05/1.989e-05, allocations: 8.812 kB / 0.6464 GB, free: 1.773 MB / 0.5573 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.2403/0.2403, allocations: 17.51 MB / 0.6635 GB, free: 47.7 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.008205/0.2485, allocations: 6.707 MB / 0.6701 GB, free: 43.43 MB / 0.5573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001164/0.2497, allocations: 65.44 kB / 0.6701 GB, free: 43.41 MB / 0.5573 GB
Notification: Performance of NFTyping.typeComponents: time 0.001886/0.2516, allocations: 1.476 MB / 0.6716 GB, free: 42.61 MB / 0.5573 GB
Notification: Performance of NFTyping.typeBindings: time 0.002152/0.2537, allocations: 1.508 MB / 0.673 GB, free: 41.75 MB / 0.5573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001898/0.2556, allocations: 1.277 MB / 0.6743 GB, free: 41.07 MB / 0.5573 GB
Notification: Performance of NFFlatten.flatten: time 0.00352/0.2591, allocations: 5.559 MB / 0.6797 GB, free: 38.68 MB / 0.5573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003208/0.2624, allocations: 3.395 MB / 0.683 GB, free: 36.96 MB / 0.5573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003351/0.2657, allocations: 3.336 MB / 0.6863 GB, free: 35.35 MB / 0.5573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003511/0.2692, allocations: 2.887 MB / 0.6891 GB, free: 34.41 MB / 0.5573 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007706/0.27, allocations: 0.5133 MB / 0.6896 GB, free: 34.41 MB / 0.5573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00221/0.2722, allocations: 1.22 MB / 0.6908 GB, free: 34.17 MB / 0.5573 GB
Notification: Performance of NFScalarize.scalarize: time 0.001962/0.2742, allocations: 2.409 MB / 0.6931 GB, free: 33.11 MB / 0.5573 GB
Notification: Performance of NFVerifyModel.verify: time 0.001674/0.2758, allocations: 1.555 MB / 0.6947 GB, free: 32.33 MB / 0.5573 GB
Notification: Performance of NFConvertDAE.convert: time 0.005858/0.2817, allocations: 7.979 MB / 0.7025 GB, free: 27.37 MB / 0.5573 GB
Notification: Performance of FrontEnd - DAE generated: time 4.659e-06/0.2817, allocations: 7.984 kB / 0.7025 GB, free: 27.36 MB / 0.5573 GB
Notification: Performance of FrontEnd: time 1.372e-06/0.2817, allocations: 0 / 0.7025 GB, free: 27.36 MB / 0.5573 GB
Notification: Performance of Transformations before backend: time 0.000116/0.2818, allocations: 0 / 0.7025 GB, free: 27.36 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 0.005508/0.2873, allocations: 3.803 MB / 0.7062 GB, free: 24.8 MB / 0.5573 GB
Notification: Performance of prepare preOptimizeDAE: time 4.432e-05/0.2874, allocations: 11.16 kB / 0.7062 GB, free: 24.8 MB / 0.5573 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005166/0.2879, allocations: 0.5454 MB / 0.7067 GB, free: 24.41 MB / 0.5573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00675/0.2946, allocations: 2.441 MB / 0.7091 GB, free: 23.24 MB / 0.5573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003251/0.2979, allocations: 2.164 MB / 0.7112 GB, free: 21.95 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001338/0.298, allocations: 267.1 kB / 0.7115 GB, free: 21.83 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000478/0.2985, allocations: 352.8 kB / 0.7118 GB, free: 21.71 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.008747/0.3072, allocations: 7.236 MB / 0.7189 GB, free: 16.88 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.08e-05/0.3073, allocations: 7.938 kB / 0.7189 GB, free: 16.87 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002959/0.3076, allocations: 148.6 kB / 0.719 GB, free: 16.72 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00024/0.3078, allocations: 334.1 kB / 0.7193 GB, free: 16.39 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007945/0.3158, allocations: 7.032 MB / 0.7262 GB, free: 9.352 MB / 0.5573 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01722/0.333, allocations: 18.5 MB / 0.7443 GB, free: 6.312 MB / 0.573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00459/0.3376, allocations: 3.728 MB / 0.7479 GB, free: 2.566 MB / 0.573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003259/0.3408, allocations: 2.526 MB / 0.7504 GB, free: 24 kB / 0.573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001495/0.341, allocations: 46.05 kB / 0.7504 GB, free: 15.98 MB / 0.5886 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.009e-05/0.341, allocations: 69.16 kB / 0.7505 GB, free: 15.9 MB / 0.5886 GB
Notification: Performance of pre-optimization done (n=208): time 4.999e-06/0.341, allocations: 0 / 0.7505 GB, free: 15.9 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.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 0.05738/0.3984, allocations: 30.79 MB / 0.7806 GB, free: 1.117 MB / 0.6042 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.815e-05/0.3985, allocations: 239.6 kB / 0.7808 GB, free: 0.8359 MB / 0.6042 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001644/0.4001, allocations: 1.523 MB / 0.7823 GB, free: 15.3 MB / 0.6198 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004267/0.4006, allocations: 69.7 kB / 0.7823 GB, free: 15.23 MB / 0.6198 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006774/0.4013, allocations: 1.55 MB / 0.7839 GB, free: 13.67 MB / 0.6198 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007111/0.402, allocations: 0.9527 MB / 0.7848 GB, free: 12.71 MB / 0.6198 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008022/0.4028, allocations: 0.632 MB / 0.7854 GB, free: 12.07 MB / 0.6198 GB
Notification: Performance of setup shared object (initialization): time 7.344e-05/0.4028, allocations: 301.1 kB / 0.7857 GB, free: 11.77 MB / 0.6198 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003896/0.4067, allocations: 2.69 MB / 0.7883 GB, free: 9.07 MB / 0.6198 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004073/0.4108, allocations: 3.647 MB / 0.7919 GB, free: 5.027 MB / 0.6198 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00796/0.4188, allocations: 6.395 MB / 0.7981 GB, free: 14.23 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.513e-05/0.4188, allocations: 11.19 kB / 0.7981 GB, free: 14.23 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.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 0.01736/0.4362, allocations: 10.76 MB / 0.8086 GB, free: 3.398 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 3.901e-05/0.4362, allocations: 16.56 kB / 0.8087 GB, free: 3.383 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.074e-05/0.4362, allocations: 31.94 kB / 0.8087 GB, free: 3.352 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01076/0.447, allocations: 5.551 MB / 0.8141 GB, free: 13.79 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002827/0.4498, allocations: 0.9984 MB / 0.8151 GB, free: 12.79 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02821/0.478, allocations: 27.49 MB / 0.8419 GB, free: 0.9336 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003155/0.4812, allocations: 0.5849 MB / 0.8425 GB, free: 356 kB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000393/0.4816, allocations: 151.9 kB / 0.8426 GB, free: 204 kB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007125/0.4887, allocations: 3.984 MB / 0.8465 GB, free: 12.21 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004623/0.4933, allocations: 3.607 MB / 0.8501 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 0.04831/0.5416, allocations: 24.47 MB / 0.8739 GB, free: 15.26 MB / 0.7136 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.937e-05/0.5417, allocations: 8 kB / 0.874 GB, free: 15.25 MB / 0.7136 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 0.01592/0.5576, allocations: 10.17 MB / 0.8839 GB, free: 5.008 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 2.981e-05/0.5576, allocations: 16.56 kB / 0.8839 GB, free: 4.992 MB / 0.7136 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.313e-05/0.5576, allocations: 31.98 kB / 0.8839 GB, free: 4.961 MB / 0.7136 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008565/0.5662, allocations: 4.312 MB / 0.8881 GB, free: 0.6367 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002776/0.569, allocations: 1.045 MB / 0.8892 GB, free: 15.59 MB / 0.7292 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02346/0.5924, allocations: 26.27 MB / 0.9148 GB, free: 4.73 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003038/0.5955, allocations: 0.5538 MB / 0.9154 GB, free: 4.176 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002952/0.5958, allocations: 151.9 kB / 0.9155 GB, free: 4.027 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.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 0.000776/0.5966, allocations: 408 kB / 0.9159 GB, free: 3.621 MB / 0.7448 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004208/0.597, allocations: 206.7 kB / 0.9161 GB, free: 3.418 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 : 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 0.01541/0.6124, allocations: 9.93 MB / 0.9258 GB, free: 9.453 MB / 0.7605 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.707e-05/0.6124, allocations: 28 kB / 0.9258 GB, free: 9.426 MB / 0.7605 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.52e-05/0.6124, allocations: 16.5 kB / 0.9258 GB, free: 9.41 MB / 0.7605 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.908e-05/0.6125, allocations: 19.89 kB / 0.9259 GB, free: 9.391 MB / 0.7605 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 0.2787/0.8912, allocations: 15.39 MB / 0.9409 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.118e-05/0.8912, allocations: 7.969 kB / 0.9409 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001962/0.8932, allocations: 0.7323 MB / 0.9416 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009821/0.903, allocations: 5.172 MB / 0.9467 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004149/0.9034, allocations: 74.47 kB / 0.9467 GB, free: 234.4 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02524/0.9287, allocations: 26.52 MB / 0.9726 GB, free: 222.3 MB / 0.7605 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.175e-06/0.9287, allocations: 13.41 kB / 0.9726 GB, free: 222.3 MB / 0.7605 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 0.01507/0.9438, allocations: 9.893 MB / 0.9823 GB, free: 219.3 MB / 0.7605 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001326/0.9451, allocations: 0.6545 MB / 0.9829 GB, free: 219.1 MB / 0.7605 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002461/0.9453, allocations: 56.83 kB / 0.983 GB, free: 219.1 MB / 0.7605 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001815/0.9471, allocations: 0.507 MB / 0.9835 GB, free: 219.1 MB / 0.7605 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006575/0.9478, allocations: 241 kB / 0.9837 GB, free: 219 MB / 0.7605 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001569/0.948, allocations: 97.12 kB / 0.9838 GB, free: 219 MB / 0.7605 GB
Notification: Performance of sorting global known variables: time 0.00107/0.949, allocations: 1.002 MB / 0.9848 GB, free: 218.6 MB / 0.7605 GB
Notification: Performance of sort global known variables: time 8.1e-08/0.949, allocations: 0 / 0.9848 GB, free: 218.6 MB / 0.7605 GB
Notification: Performance of remove unused functions: time 0.004796/0.9538, allocations: 1.86 MB / 0.9866 GB, free: 218.5 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 : 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 0.01323/0.9671, allocations: 10.55 MB / 0.9969 GB, free: 214.2 MB / 0.7605 GB
Notification: Performance of simCode: created initialization part: time 0.01548/0.9825, allocations: 12.02 MB / 1.009 GB, free: 205.8 MB / 0.7605 GB
Notification: Performance of simCode: created event and clocks part: time 1.223e-05/0.9826, allocations: 4 kB / 1.009 GB, free: 205.8 MB / 0.7605 GB
Notification: Performance of simCode: created simulation system equations: time 0.005768/0.9883, allocations: 4.228 MB / 1.013 GB, free: 201.5 MB / 0.7605 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001638/0.99, allocations: 288.7 kB / 1.013 GB, free: 201.3 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.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 0.05158/1.042, allocations: 42.15 MB / 1.054 GB, free: 157.9 MB / 0.7605 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00175/1.043, allocations: 2.287 MB / 1.056 GB, free: 155.6 MB / 0.7605 GB
Notification: Performance of simCode: alias equations: time 0.002654/1.046, allocations: 1.66 MB / 1.058 GB, free: 154 MB / 0.7605 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009548/1.047, allocations: 1.223 MB / 1.059 GB, free: 152.8 MB / 0.7605 GB
Notification: Performance of SimCode: time 1.443e-06/1.047, allocations: 4 kB / 1.059 GB, free: 152.8 MB / 0.7605 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09784/1.145, allocations: 104.5 MB / 1.161 GB, free: 48.92 MB / 0.7605 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.623/10.77, allocations: 18.3 kB / 1.161 GB, free: 48.91 MB / 0.7605 GB
"
[Timeout remaining time 649]
(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: 13.481974172405899]
Failed to read output from testmodel.py, exit status != 0:
10.893248523585498 10.901258137 10.617655583
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x73edbe0cc560>