Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001508/0.001508, allocations: 111.7 kB / 17.12 MB, free: 5.945 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001823/0.001823, allocations: 208 kB / 20.09 MB, free: 2.996 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.555/1.555, allocations: 230.6 MB / 253.5 MB, free: 15.12 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 1.018/1.018, allocations: 150 MB / 459.5 MB, free: 5.68 MB / 350.1 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: IBPSA requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.003061/0.003061, allocations: 69.69 kB / 0.6362 GB, free: 30.35 MB / 0.4981 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1813/0.1844, allocations: 89.14 MB / 0.7233 GB, free: 3.984 MB / 0.5294 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02371/0.2081, allocations: 18.6 MB / 0.7414 GB, free: 1.316 MB / 0.545 GB
Notification: Performance of NFInst.instExpressions: time 0.01212/0.2202, allocations: 6.917 MB / 0.7482 GB, free: 10.38 MB / 0.5606 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001454/0.2216, allocations: 67.75 kB / 0.7483 GB, free: 10.32 MB / 0.5606 GB
Notification: Performance of NFTyping.typeComponents: time 0.003992/0.2256, allocations: 1.507 MB / 0.7497 GB, free: 8.805 MB / 0.5606 GB
Notification: Performance of NFTyping.typeBindings: time 0.004338/0.23, allocations: 1.455 MB / 0.7511 GB, free: 7.344 MB / 0.5606 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003516/0.2335, allocations: 1.262 MB / 0.7524 GB, free: 6.082 MB / 0.5606 GB
Notification: Performance of NFFlatten.flatten: time 0.007444/0.2409, allocations: 5.476 MB / 0.7577 GB, free: 0.5938 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01017/0.2511, allocations: 5.183 MB / 0.7628 GB, free: 11.3 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004701/0.2558, allocations: 2.404 MB / 0.7651 GB, free: 8.891 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005419/0.2612, allocations: 3.179 MB / 0.7682 GB, free: 5.703 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.00161/0.2628, allocations: 0.5117 MB / 0.7687 GB, free: 5.191 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003308/0.2661, allocations: 1.287 MB / 0.77 GB, free: 3.902 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.00312/0.2693, allocations: 2.303 MB / 0.7722 GB, free: 1.594 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.00354/0.2728, allocations: 2.198 MB / 0.7744 GB, free: 15.38 MB / 0.5919 GB
Notification: Performance of NFConvertDAE.convert: time 0.009935/0.2827, allocations: 7.796 MB / 0.782 GB, free: 7.566 MB / 0.5919 GB
Notification: Performance of FrontEnd - DAE generated: time 4.969e-06/0.2827, allocations: 0 / 0.782 GB, free: 7.566 MB / 0.5919 GB
Notification: Performance of FrontEnd: time 1.563e-06/0.2827, allocations: 0 / 0.782 GB, free: 7.566 MB / 0.5919 GB
Notification: Performance of Transformations before backend: time 0.0001863/0.2829, allocations: 0 / 0.782 GB, free: 7.566 MB / 0.5919 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 0.0102/0.2931, allocations: 3.911 MB / 0.7858 GB, free: 3.59 MB / 0.5919 GB
Notification: Performance of prepare preOptimizeDAE: time 5.183e-05/0.2932, allocations: 12.03 kB / 0.7858 GB, free: 3.578 MB / 0.5919 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00101/0.2942, allocations: 0.5426 MB / 0.7864 GB, free: 3.027 MB / 0.5919 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0138/0.308, allocations: 2.432 MB / 0.7887 GB, free: 0.5898 MB / 0.5919 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005372/0.3134, allocations: 2.203 MB / 0.7909 GB, free: 14.34 MB / 0.6075 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002911/0.3137, allocations: 275.2 kB / 0.7912 GB, free: 14.07 MB / 0.6075 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001342/0.315, allocations: 348 kB / 0.7915 GB, free: 13.73 MB / 0.6075 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01807/0.3331, allocations: 7.159 MB / 0.7985 GB, free: 6.473 MB / 0.6075 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001062/0.3332, allocations: 3.938 kB / 0.7985 GB, free: 6.469 MB / 0.6075 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007824/0.334, allocations: 152 kB / 0.7986 GB, free: 6.32 MB / 0.6075 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005367/0.3345, allocations: 330.1 kB / 0.7989 GB, free: 5.996 MB / 0.6075 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01769/0.3522, allocations: 7.048 MB / 0.8058 GB, free: 14.93 MB / 0.6231 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 0.04322/0.3954, allocations: 26.61 MB / 0.8318 GB, free: 2.145 MB / 0.6387 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009566/0.405, allocations: 4.865 MB / 0.8366 GB, free: 12.97 MB / 0.6544 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006701/0.4117, allocations: 2.524 MB / 0.839 GB, free: 10.43 MB / 0.6544 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003552/0.412, allocations: 135 kB / 0.8392 GB, free: 10.28 MB / 0.6544 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.409e-05/0.4121, allocations: 72.42 kB / 0.8392 GB, free: 10.2 MB / 0.6544 GB
Notification: Performance of pre-optimization done (n=208): time 4.499e-06/0.4121, allocations: 0 / 0.8392 GB, free: 10.2 MB / 0.6544 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.5014/0.9135, allocations: 31.1 MB / 0.8696 GB, free: 128.1 MB / 0.67 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.11e-05/0.9136, allocations: 239.8 kB / 0.8698 GB, free: 127.8 MB / 0.67 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002176/0.9157, allocations: 1.467 MB / 0.8712 GB, free: 127.6 MB / 0.67 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006164/0.9163, allocations: 70.33 kB / 0.8713 GB, free: 127.5 MB / 0.67 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009564/0.9173, allocations: 1.553 MB / 0.8728 GB, free: 127 MB / 0.67 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009746/0.9183, allocations: 0.9692 MB / 0.8738 GB, free: 126.3 MB / 0.67 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001201/0.9195, allocations: 0.6381 MB / 0.8744 GB, free: 126.1 MB / 0.67 GB
Notification: Performance of setup shared object (initialization): time 5.101e-05/0.9195, allocations: 305.1 kB / 0.8747 GB, free: 125.8 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006618/0.9261, allocations: 2.686 MB / 0.8773 GB, free: 124.9 MB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007523/0.9337, allocations: 3.572 MB / 0.8808 GB, free: 123.1 MB / 0.67 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01197/0.9456, allocations: 6.404 MB / 0.8871 GB, free: 120 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.064e-05/0.9457, allocations: 7.938 kB / 0.8871 GB, free: 120 MB / 0.67 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 0.02722/0.9729, allocations: 10.95 MB / 0.8978 GB, free: 114.2 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 4.893e-05/0.973, allocations: 18.78 kB / 0.8978 GB, free: 114.2 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.058e-05/0.973, allocations: 25.19 kB / 0.8978 GB, free: 114.2 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01907/0.9921, allocations: 5.54 MB / 0.9032 GB, free: 110.1 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004197/0.9963, allocations: 0.9867 MB / 0.9042 GB, free: 109.1 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0373/1.034, allocations: 28.21 MB / 0.9317 GB, free: 80.54 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004631/1.038, allocations: 0.5668 MB / 0.9323 GB, free: 79.97 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006891/1.039, allocations: 155.9 kB / 0.9324 GB, free: 79.82 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007497/1.046, allocations: 3.98 MB / 0.9363 GB, free: 75.83 MB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006111/1.053, allocations: 3.536 MB / 0.9398 GB, free: 71.91 MB / 0.67 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08301/1.136, allocations: 24.63 MB / 0.9638 GB, free: 46.79 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.179e-05/1.136, allocations: 8 kB / 0.9638 GB, free: 46.79 MB / 0.67 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 0.02493/1.16, allocations: 10.47 MB / 0.9741 GB, free: 36.17 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 3.627e-05/1.161, allocations: 19.94 kB / 0.9741 GB, free: 36.15 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.125e-05/1.161, allocations: 24 kB / 0.9741 GB, free: 36.13 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01464/1.175, allocations: 4.323 MB / 0.9783 GB, free: 31.79 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0045/1.18, allocations: 1.045 MB / 0.9793 GB, free: 30.75 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03101/1.211, allocations: 27.14 MB / 1.006 GB, free: 2.902 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004663/1.215, allocations: 0.5545 MB / 1.006 GB, free: 2.348 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000643/1.216, allocations: 148 kB / 1.007 GB, free: 2.203 MB / 0.67 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 0.001252/1.217, allocations: 400.3 kB / 1.007 GB, free: 1.824 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008134/1.218, allocations: 214.7 kB / 1.007 GB, free: 1.613 MB / 0.67 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 0.02924/1.247, allocations: 10.09 MB / 1.017 GB, free: 7.461 MB / 0.6856 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.995e-05/1.247, allocations: 28 kB / 1.017 GB, free: 7.434 MB / 0.6856 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.866e-05/1.247, allocations: 12 kB / 1.017 GB, free: 7.422 MB / 0.6856 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.7e-05/1.247, allocations: 19.92 kB / 1.017 GB, free: 7.402 MB / 0.6856 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 0.04077/1.288, allocations: 16.19 MB / 1.033 GB, free: 7.035 MB / 0.7012 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.316e-05/1.288, allocations: 15.59 kB / 1.033 GB, free: 7.023 MB / 0.7012 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003642/1.292, allocations: 0.7327 MB / 1.034 GB, free: 6.293 MB / 0.7012 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02028/1.312, allocations: 5.177 MB / 1.039 GB, free: 1.102 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006409/1.313, allocations: 75.95 kB / 1.039 GB, free: 1.027 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0468/1.36, allocations: 27.26 MB / 1.065 GB, free: 5.285 MB / 0.7325 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.34e-05/1.36, allocations: 12.03 kB / 1.065 GB, free: 5.273 MB / 0.7325 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 0.02854/1.388, allocations: 10.03 MB / 1.075 GB, free: 10.99 MB / 0.7481 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001904/1.39, allocations: 0.7376 MB / 1.076 GB, free: 10.23 MB / 0.7481 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007115/1.391, allocations: 55.98 kB / 1.076 GB, free: 10.18 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004035/1.395, allocations: 0.507 MB / 1.076 GB, free: 9.672 MB / 0.7481 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001043/1.396, allocations: 222.4 kB / 1.077 GB, free: 9.453 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004613/1.396, allocations: 91.95 kB / 1.077 GB, free: 9.363 MB / 0.7481 GB
Notification: Performance of sorting global known variables: time 0.002044/1.398, allocations: 1.005 MB / 1.078 GB, free: 8.355 MB / 0.7481 GB
Notification: Performance of sort global known variables: time 9e-08/1.398, allocations: 0 / 1.078 GB, free: 8.355 MB / 0.7481 GB
Notification: Performance of remove unused functions: time 0.007246/1.406, allocations: 1.852 MB / 1.079 GB, free: 6.504 MB / 0.7481 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 0.0289/1.435, allocations: 10.69 MB / 1.09 GB, free: 11.56 MB / 0.7637 GB
Notification: Performance of simCode: created initialization part: time 0.03205/1.467, allocations: 12.03 MB / 1.102 GB, free: 15.43 MB / 0.7794 GB
Notification: Performance of simCode: created event and clocks part: time 1.705e-05/1.467, allocations: 4.938 kB / 1.102 GB, free: 15.43 MB / 0.7794 GB
Notification: Performance of simCode: created simulation system equations: time 0.01197/1.479, allocations: 4.266 MB / 1.106 GB, free: 11.12 MB / 0.7794 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003275/1.482, allocations: 288.1 kB / 1.106 GB, free: 10.85 MB / 0.7794 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
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 0.1154/1.597, allocations: 42.32 MB / 1.147 GB, free: 15.23 MB / 0.8262 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005063/1.602, allocations: 2.853 MB / 1.15 GB, free: 12.34 MB / 0.8262 GB
Notification: Performance of simCode: alias equations: time 0.005228/1.608, allocations: 1.653 MB / 1.152 GB, free: 10.68 MB / 0.8262 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002228/1.61, allocations: 1.229 MB / 1.153 GB, free: 9.449 MB / 0.8262 GB
Notification: Performance of SimCode: time 1.192e-06/1.61, allocations: 0 / 1.153 GB, free: 9.449 MB / 0.8262 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5376/2.147, allocations: 104.2 MB / 1.255 GB, free: 267 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.35/19.5, allocations: 24.64 kB / 1.255 GB, free: 267 MB / 0.8575 GB
"
[Timeout remaining time 640]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 23.72794682206586]
Failed to read output from testmodel.py, exit status != 0:
19.642437842907384 19.653877196 19.368811364
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fe532756ce0>