Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 0.001631/0.001631, allocations: 104.3 kB / 19.7 MB, free: 2.059 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 0.00187/0.00187, allocations: 217.6 kB / 22.99 MB, free: 4.867 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 1.506/1.506, allocations: 230.6 MB / 256.8 MB, free: 7.801 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 0.9789/0.9789, allocations: 149.9 MB / 463 MB, free: 10.38 MB / 366.1 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.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.002284/0.002284, allocations: 67.02 kB / 0.6412 GB, free: 10.05 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1868/0.1891, allocations: 89.16 MB / 0.7282 GB, free: 0.9609 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02545/0.2145, allocations: 17.84 MB / 0.7457 GB, free: 15.05 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.01271/0.2272, allocations: 6.719 MB / 0.7522 GB, free: 8.32 MB / 0.5762 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00162/0.2289, allocations: 63.75 kB / 0.7523 GB, free: 8.258 MB / 0.5762 GB
Notification: Performance of NFTyping.typeComponents: time 0.003976/0.2328, allocations: 1.485 MB / 0.7537 GB, free: 6.77 MB / 0.5762 GB
Notification: Performance of NFTyping.typeBindings: time 0.003922/0.2368, allocations: 1.443 MB / 0.7551 GB, free: 5.32 MB / 0.5762 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003284/0.24, allocations: 1.263 MB / 0.7564 GB, free: 4.059 MB / 0.5762 GB
Notification: Performance of NFFlatten.flatten: time 0.4601/0.7002, allocations: 5.44 MB / 0.7617 GB, free: 10.59 MB / 0.5762 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006445/0.7066, allocations: 3.344 MB / 0.765 GB, free: 10.26 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005744/0.7124, allocations: 2.407 MB / 0.7673 GB, free: 10.12 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006644/0.719, allocations: 2.999 MB / 0.7702 GB, free: 9.879 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.002278/0.7213, allocations: 0.5118 MB / 0.7707 GB, free: 9.879 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004481/0.7258, allocations: 1.19 MB / 0.7719 GB, free: 9.879 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.004903/0.7307, allocations: 2.294 MB / 0.7741 GB, free: 9.691 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.006756/0.7374, allocations: 1.771 MB / 0.7759 GB, free: 9.309 MB / 0.5762 GB
Notification: Performance of NFConvertDAE.convert: time 0.01907/0.7565, allocations: 7.778 MB / 0.7835 GB, free: 8.598 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 7.665e-06/0.7565, allocations: 2.25 kB / 0.7835 GB, free: 8.598 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 2.926e-06/0.7565, allocations: 0 / 0.7835 GB, free: 8.598 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0004069/0.7569, allocations: 0 / 0.7835 GB, free: 8.598 MB / 0.5762 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01677/0.7737, allocations: 3.798 MB / 0.7872 GB, free: 7.164 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 5.349e-05/0.7737, allocations: 10.66 kB / 0.7872 GB, free: 7.164 MB / 0.5762 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00218/0.7759, allocations: 0.54 MB / 0.7877 GB, free: 7.105 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01387/0.7898, allocations: 2.42 MB / 0.7901 GB, free: 6.883 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008931/0.7987, allocations: 2.161 MB / 0.7922 GB, free: 6.258 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003681/0.7991, allocations: 262.7 kB / 0.7924 GB, free: 6.25 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00285/0.8019, allocations: 344.9 kB / 0.7928 GB, free: 6.25 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02019/0.8221, allocations: 7.208 MB / 0.7998 GB, free: 2.43 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.291e-05/0.8222, allocations: 13.39 kB / 0.7998 GB, free: 2.422 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005166/0.8227, allocations: 143.8 kB / 0.8 GB, free: 2.32 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005679/0.8233, allocations: 335.3 kB / 0.8003 GB, free: 2.223 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01824/0.8415, allocations: 7.02 MB / 0.8071 GB, free: 14.71 MB / 0.5919 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 0.03624/0.8778, allocations: 18.43 MB / 0.8251 GB, free: 0.6758 MB / 0.5919 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008525/0.8863, allocations: 3.719 MB / 0.8288 GB, free: 12.97 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006518/0.8928, allocations: 2.524 MB / 0.8312 GB, free: 10.43 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002307/0.8931, allocations: 52.59 kB / 0.8313 GB, free: 10.38 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.814e-05/0.8931, allocations: 63.17 kB / 0.8313 GB, free: 10.31 MB / 0.6075 GB
Notification: Performance of pre-optimization done (n=208): time 4.719e-06/0.8931, allocations: 0 / 0.8313 GB, free: 10.31 MB / 0.6075 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 0.1132/1.006, allocations: 30.75 MB / 0.8614 GB, free: 11.79 MB / 0.6387 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001864/1.007, allocations: 241.6 kB / 0.8616 GB, free: 11.5 MB / 0.6387 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002891/1.009, allocations: 1.482 MB / 0.863 GB, free: 10.01 MB / 0.6387 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006481/1.01, allocations: 76.42 kB / 0.8631 GB, free: 9.934 MB / 0.6387 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001412/1.011, allocations: 1.533 MB / 0.8646 GB, free: 8.395 MB / 0.6387 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001634/1.013, allocations: 0.9748 MB / 0.8656 GB, free: 7.434 MB / 0.6387 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001502/1.015, allocations: 0.6321 MB / 0.8662 GB, free: 6.793 MB / 0.6387 GB
Notification: Performance of setup shared object (initialization): time 0.000132/1.015, allocations: 305.1 kB / 0.8665 GB, free: 6.492 MB / 0.6387 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006562/1.021, allocations: 2.687 MB / 0.8691 GB, free: 3.797 MB / 0.6387 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007797/1.029, allocations: 3.651 MB / 0.8727 GB, free: 15.76 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01459/1.044, allocations: 6.41 MB / 0.8789 GB, free: 9.059 MB / 0.6544 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.923e-05/1.044, allocations: 8 kB / 0.8789 GB, free: 9.051 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=410) (initialization): time 0.03294/1.077, allocations: 10.8 MB / 0.8895 GB, free: 14.41 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 5.386e-05/1.077, allocations: 16 kB / 0.8895 GB, free: 14.39 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.976e-05/1.077, allocations: 28.56 kB / 0.8895 GB, free: 14.37 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02111/1.098, allocations: 5.534 MB / 0.8949 GB, free: 8.816 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004775/1.103, allocations: 1.003 MB / 0.8959 GB, free: 7.852 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04742/1.15, allocations: 27.46 MB / 0.9227 GB, free: 12.11 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005396/1.155, allocations: 0.5772 MB / 0.9233 GB, free: 11.53 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007486/1.156, allocations: 148 kB / 0.9234 GB, free: 11.39 MB / 0.7012 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009395/1.166, allocations: 3.988 MB / 0.9273 GB, free: 7.391 MB / 0.7012 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007523/1.173, allocations: 3.608 MB / 0.9308 GB, free: 3.406 MB / 0.7012 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09224/1.265, allocations: 24.48 MB / 0.9548 GB, free: 10.56 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.196e-05/1.265, allocations: 8 kB / 0.9548 GB, free: 10.55 MB / 0.7325 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 0.02797/1.293, allocations: 10.18 MB / 0.9647 GB, free: 428 kB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 3.655e-05/1.293, allocations: 20.06 kB / 0.9647 GB, free: 408 kB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.097e-05/1.293, allocations: 31.98 kB / 0.9647 GB, free: 376 kB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01573/1.309, allocations: 4.329 MB / 0.969 GB, free: 12.02 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004848/1.314, allocations: 1.045 MB / 0.97 GB, free: 10.98 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03876/1.353, allocations: 26.25 MB / 0.9956 GB, free: 180 kB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005063/1.358, allocations: 0.5576 MB / 0.9962 GB, free: 15.62 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005311/1.358, allocations: 148 kB / 0.9963 GB, free: 15.47 MB / 0.7794 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 0.001012/1.359, allocations: 403.3 kB / 0.9967 GB, free: 15.07 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000639/1.36, allocations: 206.8 kB / 0.9969 GB, free: 14.87 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.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02804/1.388, allocations: 9.927 MB / 1.007 GB, free: 4.902 MB / 0.7794 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.664e-05/1.388, allocations: 32 kB / 1.007 GB, free: 4.871 MB / 0.7794 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.57e-05/1.388, allocations: 12 kB / 1.007 GB, free: 4.859 MB / 0.7794 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.194e-05/1.388, allocations: 19.94 kB / 1.007 GB, free: 4.84 MB / 0.7794 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 0.03914/1.427, allocations: 15.35 MB / 1.022 GB, free: 5.371 MB / 0.795 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.64e-05/1.427, allocations: 11.94 kB / 1.022 GB, free: 5.359 MB / 0.795 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003756/1.431, allocations: 0.7411 MB / 1.022 GB, free: 4.617 MB / 0.795 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01944/1.451, allocations: 5.167 MB / 1.027 GB, free: 15.44 MB / 0.8106 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006997/1.451, allocations: 71.95 kB / 1.027 GB, free: 15.37 MB / 0.8106 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04414/1.495, allocations: 26.54 MB / 1.053 GB, free: 4.418 MB / 0.8262 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.397e-06/1.495, allocations: 8 kB / 1.053 GB, free: 4.41 MB / 0.8262 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 0.0275/1.523, allocations: 9.88 MB / 1.063 GB, free: 10.32 MB / 0.8419 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002811/1.526, allocations: 0.6584 MB / 1.064 GB, free: 9.664 MB / 0.8419 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005755/1.526, allocations: 48 kB / 1.064 GB, free: 9.617 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003782/1.53, allocations: 0.5186 MB / 1.064 GB, free: 9.098 MB / 0.8419 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008351/1.531, allocations: 238.2 kB / 1.064 GB, free: 8.867 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002545/1.531, allocations: 91.95 kB / 1.065 GB, free: 8.777 MB / 0.8419 GB
Notification: Performance of sorting global known variables: time 0.001733/1.533, allocations: 0.9723 MB / 1.066 GB, free: 7.801 MB / 0.8419 GB
Notification: Performance of sort global known variables: time 1.3e-07/1.533, allocations: 4 kB / 1.066 GB, free: 7.797 MB / 0.8419 GB
Notification: Performance of remove unused functions: time 0.006573/1.54, allocations: 1.84 MB / 1.067 GB, free: 5.957 MB / 0.8419 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 0.02739/1.567, allocations: 10.53 MB / 1.078 GB, free: 11.21 MB / 0.8575 GB
Notification: Performance of simCode: created initialization part: time 0.3999/1.967, allocations: 12.02 MB / 1.089 GB, free: 299.8 MB / 0.8575 GB
Notification: Performance of simCode: created event and clocks part: time 1.641e-05/1.967, allocations: 3.094 kB / 1.089 GB, free: 299.8 MB / 0.8575 GB
Notification: Performance of simCode: created simulation system equations: time 0.01135/1.978, allocations: 4.264 MB / 1.094 GB, free: 299.3 MB / 0.8575 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002624/1.981, allocations: 268.3 kB / 1.094 GB, free: 299.3 MB / 0.8575 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 simCode: created linear, non-linear and system jacobian parts: time 0.1014/2.082, allocations: 41.34 MB / 1.134 GB, free: 288.6 MB / 0.8575 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002941/2.085, allocations: 2.275 MB / 1.136 GB, free: 287.4 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004079/2.089, allocations: 1.652 MB / 1.138 GB, free: 286.7 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001649/2.091, allocations: 1.207 MB / 1.139 GB, free: 285.6 MB / 0.8575 GB
Notification: Performance of SimCode: time 1.062e-06/2.091, allocations: 7.938 kB / 1.139 GB, free: 285.6 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1373/2.228, allocations: 103.3 MB / 1.24 GB, free: 185.7 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.09/18.32, allocations: 18.52 kB / 1.24 GB, free: 185.6 MB / 0.8575 GB
"
[Timeout remaining time 642]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 22.355276838876307]
Failed to read output from testmodel.py, exit status != 0:
18.487217119894922 18.505119163 17.744554874
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f628950efb0>