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 0.001747/0.001747, allocations: 119 kB / 19.69 MB, free: 2.199 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 0.001948/0.001948, allocations: 222.3 kB / 23.01 MB, free: 5.051 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 1.467/1.467, allocations: 230.6 MB / 256.8 MB, free: 7.98 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 0.9845/0.9845, allocations: 150 MB / 463.2 MB, free: 10.46 MB / 366.1 MB
"
[Timeout remaining time 178]
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 0.002029/0.002029, allocations: 71.89 kB / 0.6414 GB, free: 10.25 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2015/0.2035, allocations: 89.17 MB / 0.7284 GB, free: 1.148 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02532/0.2288, allocations: 19.28 MB / 0.7473 GB, free: 13.8 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.013/0.2418, allocations: 7.062 MB / 0.7542 GB, free: 6.719 MB / 0.5762 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002086/0.2439, allocations: 63.75 kB / 0.7542 GB, free: 6.656 MB / 0.5762 GB
Notification: Performance of NFTyping.typeComponents: time 0.004532/0.2485, allocations: 1.534 MB / 0.7557 GB, free: 5.117 MB / 0.5762 GB
Notification: Performance of NFTyping.typeBindings: time 0.004642/0.2531, allocations: 1.447 MB / 0.7571 GB, free: 3.664 MB / 0.5762 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003895/0.257, allocations: 1.315 MB / 0.7584 GB, free: 2.348 MB / 0.5762 GB
Notification: Performance of NFFlatten.flatten: time 0.4238/0.6808, allocations: 5.471 MB / 0.7638 GB, free: 10.9 MB / 0.5762 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004529/0.6853, allocations: 3.412 MB / 0.7671 GB, free: 10.58 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0039/0.6892, allocations: 2.412 MB / 0.7695 GB, free: 10.4 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006338/0.6956, allocations: 3.165 MB / 0.7726 GB, free: 10.15 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.001853/0.6974, allocations: 0.5149 MB / 0.7731 GB, free: 10.15 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003924/0.7013, allocations: 1.291 MB / 0.7743 GB, free: 10.15 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.004852/0.7062, allocations: 2.305 MB / 0.7766 GB, free: 9.961 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.00707/0.7133, allocations: 2.19 MB / 0.7787 GB, free: 9.445 MB / 0.5762 GB
Notification: Performance of NFConvertDAE.convert: time 0.01396/0.7272, allocations: 7.803 MB / 0.7863 GB, free: 8.723 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 6.132e-06/0.7272, allocations: 0 / 0.7863 GB, free: 8.723 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 2.275e-06/0.7272, allocations: 0.9688 kB / 0.7863 GB, free: 8.723 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0002821/0.7275, allocations: 0 / 0.7863 GB, free: 8.723 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01526/0.7428, allocations: 3.84 MB / 0.7901 GB, free: 7.27 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 5.73e-05/0.7428, allocations: 8.781 kB / 0.7901 GB, free: 7.27 MB / 0.5762 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002094/0.7449, allocations: 0.5475 MB / 0.7906 GB, free: 7 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02221/0.7671, allocations: 2.433 MB / 0.793 GB, free: 6.359 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006893/0.774, allocations: 2.168 MB / 0.7951 GB, free: 5.184 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002134/0.7742, allocations: 270.2 kB / 0.7954 GB, free: 5.074 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001937/0.7762, allocations: 351.2 kB / 0.7957 GB, free: 4.965 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01804/0.7942, allocations: 7.16 MB / 0.8027 GB, free: 0.9219 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.653e-05/0.7943, allocations: 4.75 kB / 0.8027 GB, free: 0.9219 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006117/0.7949, allocations: 153.8 kB / 0.8028 GB, free: 0.8125 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004545/0.7954, allocations: 336.1 kB / 0.8032 GB, free: 0.7188 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01796/0.8133, allocations: 7.041 MB / 0.81 GB, free: 13.19 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 0.04531/0.8587, allocations: 26.09 MB / 0.8355 GB, free: 4.156 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008999/0.8677, allocations: 3.735 MB / 0.8392 GB, free: 436 kB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006712/0.8744, allocations: 2.525 MB / 0.8416 GB, free: 13.89 MB / 0.6231 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003524/0.8747, allocations: 56.12 kB / 0.8417 GB, free: 13.85 MB / 0.6231 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.227e-05/0.8748, allocations: 68.12 kB / 0.8418 GB, free: 13.77 MB / 0.6231 GB
Notification: Performance of pre-optimization done (n=208): time 5.441e-06/0.8748, allocations: 3.938 kB / 0.8418 GB, free: 13.77 MB / 0.6231 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 0.1099/0.9847, allocations: 30.81 MB / 0.8718 GB, free: 15.18 MB / 0.6544 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001751/0.9849, allocations: 239.6 kB / 0.8721 GB, free: 14.9 MB / 0.6544 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002786/0.9877, allocations: 1.473 MB / 0.8735 GB, free: 13.42 MB / 0.6544 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006929/0.9884, allocations: 69.7 kB / 0.8736 GB, free: 13.34 MB / 0.6544 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001344/0.9897, allocations: 1.544 MB / 0.8751 GB, free: 11.79 MB / 0.6544 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001427/0.9912, allocations: 0.969 MB / 0.876 GB, free: 10.84 MB / 0.6544 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001484/0.9927, allocations: 0.6321 MB / 0.8767 GB, free: 10.2 MB / 0.6544 GB
Notification: Performance of setup shared object (initialization): time 0.0001581/0.9928, allocations: 301.1 kB / 0.8769 GB, free: 9.902 MB / 0.6544 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00726/1, allocations: 2.694 MB / 0.8796 GB, free: 7.199 MB / 0.6544 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008757/1.009, allocations: 3.567 MB / 0.8831 GB, free: 3.266 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01515/1.024, allocations: 6.401 MB / 0.8893 GB, free: 12.58 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.392e-05/1.024, allocations: 17.72 kB / 0.8893 GB, free: 12.56 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 0.03121/1.055, allocations: 10.79 MB / 0.8999 GB, free: 1.938 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 5.069e-05/1.055, allocations: 24.11 kB / 0.8999 GB, free: 1.918 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.21e-05/1.055, allocations: 28 kB / 0.8999 GB, free: 1.891 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02088/1.076, allocations: 5.532 MB / 0.9053 GB, free: 12.34 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00479/1.081, allocations: 0.9957 MB / 0.9063 GB, free: 11.38 MB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05569/1.137, allocations: 27.89 MB / 0.9335 GB, free: 15.2 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005074/1.142, allocations: 0.5771 MB / 0.9341 GB, free: 14.62 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005762/1.142, allocations: 155.9 kB / 0.9342 GB, free: 14.47 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009075/1.151, allocations: 3.98 MB / 0.9381 GB, free: 10.48 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007416/1.159, allocations: 3.531 MB / 0.9416 GB, free: 6.59 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09283/1.252, allocations: 24.47 MB / 0.9655 GB, free: 13.73 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.702e-05/1.252, allocations: 8 kB / 0.9655 GB, free: 13.72 MB / 0.7481 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 0.0294/1.281, allocations: 10.17 MB / 0.9754 GB, free: 3.48 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 3.924e-05/1.281, allocations: 16 kB / 0.9754 GB, free: 3.465 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.162e-05/1.281, allocations: 28 kB / 0.9754 GB, free: 3.438 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01612/1.297, allocations: 4.324 MB / 0.9797 GB, free: 15.1 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004958/1.302, allocations: 1.041 MB / 0.9807 GB, free: 14.05 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04021/1.342, allocations: 26.74 MB / 1.007 GB, free: 2.719 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004746/1.347, allocations: 0.546 MB / 1.007 GB, free: 2.172 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004617/1.348, allocations: 155.9 kB / 1.007 GB, free: 2.02 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 0.001041/1.349, allocations: 413.1 kB / 1.008 GB, free: 1.609 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006303/1.349, allocations: 210.7 kB / 1.008 GB, free: 1.402 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 0.02832/1.378, allocations: 9.929 MB / 1.018 GB, free: 7.438 MB / 0.795 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.213e-05/1.378, allocations: 31.94 kB / 1.018 GB, free: 7.406 MB / 0.795 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.719e-05/1.378, allocations: 15.94 kB / 1.018 GB, free: 7.391 MB / 0.795 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.825e-05/1.378, allocations: 15.94 kB / 1.018 GB, free: 7.375 MB / 0.795 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 0.03933/1.417, allocations: 16.01 MB / 1.033 GB, free: 7.227 MB / 0.8106 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.659e-05/1.417, allocations: 8.062 kB / 1.033 GB, free: 7.219 MB / 0.8106 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00374/1.421, allocations: 0.7332 MB / 1.034 GB, free: 6.484 MB / 0.8106 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01964/1.441, allocations: 5.172 MB / 1.039 GB, free: 1.297 MB / 0.8106 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008079/1.441, allocations: 79.7 kB / 1.039 GB, free: 1.223 MB / 0.8106 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04272/1.484, allocations: 26.95 MB / 1.066 GB, free: 5.867 MB / 0.8419 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.112e-05/1.484, allocations: 16.03 kB / 1.066 GB, free: 5.852 MB / 0.8419 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 0.02657/1.511, allocations: 9.877 MB / 1.075 GB, free: 11.76 MB / 0.8575 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002516/1.513, allocations: 0.6545 MB / 1.076 GB, free: 11.1 MB / 0.8575 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005605/1.514, allocations: 56 kB / 1.076 GB, free: 11.05 MB / 0.8575 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003624/1.517, allocations: 0.507 MB / 1.076 GB, free: 10.54 MB / 0.8575 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009062/1.518, allocations: 238.2 kB / 1.077 GB, free: 10.31 MB / 0.8575 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002752/1.519, allocations: 95.95 kB / 1.077 GB, free: 10.21 MB / 0.8575 GB
Notification: Performance of sorting global known variables: time 0.001856/1.52, allocations: 0.9972 MB / 1.078 GB, free: 9.215 MB / 0.8575 GB
Notification: Performance of sort global known variables: time 1.11e-07/1.52, allocations: 0 / 1.078 GB, free: 9.215 MB / 0.8575 GB
Notification: Performance of remove unused functions: time 0.006888/1.527, allocations: 1.859 MB / 1.08 GB, free: 7.355 MB / 0.8575 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 0.4069/1.934, allocations: 10.52 MB / 1.09 GB, free: 289.8 MB / 0.8575 GB
Notification: Performance of simCode: created initialization part: time 0.02954/1.964, allocations: 12.02 MB / 1.102 GB, free: 288.7 MB / 0.8575 GB
Notification: Performance of simCode: created event and clocks part: time 1.034e-05/1.964, allocations: 0.9062 kB / 1.102 GB, free: 288.7 MB / 0.8575 GB
Notification: Performance of simCode: created simulation system equations: time 0.01182/1.976, allocations: 4.267 MB / 1.106 GB, free: 288.1 MB / 0.8575 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002775/1.978, allocations: 285.5 kB / 1.106 GB, free: 288.1 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.
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 0.09188/2.07, allocations: 42.12 MB / 1.147 GB, free: 272.7 MB / 0.8575 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002704/2.073, allocations: 2.85 MB / 1.15 GB, free: 270.2 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.00408/2.077, allocations: 1.657 MB / 1.152 GB, free: 268.6 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001644/2.079, allocations: 1.226 MB / 1.153 GB, free: 267.3 MB / 0.8575 GB
Notification: Performance of SimCode: time 1.163e-06/2.079, allocations: 0 / 1.153 GB, free: 267.3 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1511/2.23, allocations: 107.7 MB / 1.258 GB, free: 160 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 18.18/20.41, allocations: 15.97 kB / 1.258 GB, free: 160 MB / 0.8575 GB
"
[Timeout remaining time 639]
(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: 24.493938496001647]
Failed to read output from testmodel.py, exit status != 0:
20.574834955998085 20.594698274 19.863268097
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fa5bf44ef20>