Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.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 0.001613/0.001613, allocations: 108.7 kB / 16.45 MB, free: 6.508 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 0.002008/0.002008, allocations: 213.7 kB / 19.43 MB, free: 3.648 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 1.487/1.487, allocations: 230.6 MB / 252.8 MB, free: 9.113 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.309/3.309, allocations: 0.49 GB / 0.7916 GB, free: 33.39 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings 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 0.001982/0.001982, allocations: 73.77 kB / 1.149 GB, free: 26.36 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3614/0.3634, allocations: 176.1 MB / 1.321 GB, free: 3.266 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02341/0.3868, allocations: 18.63 MB / 1.339 GB, free: 0.5781 MB / 1.029 GB
Notification: Performance of NFInst.instExpressions: time 0.01309/0.3999, allocations: 6.917 MB / 1.346 GB, free: 9.645 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001901/0.4018, allocations: 63.75 kB / 1.346 GB, free: 9.582 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.004104/0.4059, allocations: 1.509 MB / 1.347 GB, free: 8.066 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003894/0.4098, allocations: 1.447 MB / 1.349 GB, free: 6.613 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003316/0.4131, allocations: 1.269 MB / 1.35 GB, free: 5.344 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.007062/0.4202, allocations: 5.472 MB / 1.355 GB, free: 15.86 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006702/0.4269, allocations: 5.183 MB / 1.36 GB, free: 10.56 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004051/0.4309, allocations: 2.415 MB / 1.363 GB, free: 8.141 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005213/0.4362, allocations: 3.163 MB / 1.366 GB, free: 4.969 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009867/0.4371, allocations: 0.5117 MB / 1.366 GB, free: 4.457 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002709/0.4399, allocations: 1.295 MB / 1.368 GB, free: 3.16 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002612/0.4425, allocations: 2.303 MB / 1.37 GB, free: 0.8516 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.003149/0.4456, allocations: 2.19 MB / 1.372 GB, free: 14.65 MB / 1.076 GB
Notification: Performance of NFConvertDAE.convert: time 0.009609/0.4552, allocations: 7.8 MB / 1.38 GB, free: 6.828 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 4.879e-06/0.4552, allocations: 4 kB / 1.38 GB, free: 6.824 MB / 1.076 GB
Notification: Performance of FrontEnd: time 1.994e-06/0.4552, allocations: 0 / 1.38 GB, free: 6.824 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0001952/0.4554, allocations: 0 / 1.38 GB, free: 6.824 MB / 1.076 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 0.009297/0.4647, allocations: 3.907 MB / 1.383 GB, free: 2.852 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 5.396e-05/0.4648, allocations: 15.98 kB / 1.383 GB, free: 2.836 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009662/0.4657, allocations: 0.5387 MB / 1.384 GB, free: 2.289 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01333/0.4791, allocations: 2.433 MB / 1.386 GB, free: 15.85 MB / 1.092 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00532/0.4844, allocations: 2.206 MB / 1.389 GB, free: 13.6 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002445/0.4846, allocations: 275.2 kB / 1.389 GB, free: 13.33 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001073/0.4857, allocations: 348 kB / 1.389 GB, free: 12.99 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0155/0.5012, allocations: 7.159 MB / 1.396 GB, free: 5.73 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.342e-05/0.5013, allocations: 0 / 1.396 GB, free: 5.73 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004739/0.5017, allocations: 144 kB / 1.396 GB, free: 5.59 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004962/0.5022, allocations: 342.1 kB / 1.397 GB, free: 5.254 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01631/0.5186, allocations: 7.044 MB / 1.403 GB, free: 14.19 MB / 1.107 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 0.03529/0.5538, allocations: 26.61 MB / 1.429 GB, free: 1.406 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008456/0.5623, allocations: 4.863 MB / 1.434 GB, free: 12.24 MB / 1.139 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006023/0.5683, allocations: 2.542 MB / 1.437 GB, free: 9.68 MB / 1.139 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002575/0.5686, allocations: 127 kB / 1.437 GB, free: 9.535 MB / 1.139 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.473e-05/0.5686, allocations: 72.5 kB / 1.437 GB, free: 9.457 MB / 1.139 GB
Notification: Performance of pre-optimization done (n=208): time 4.278e-06/0.5686, allocations: 0 / 1.437 GB, free: 9.457 MB / 1.139 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 0.108/0.6767, allocations: 31.1 MB / 1.467 GB, free: 10.29 MB / 1.17 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001533/0.6768, allocations: 239.6 kB / 1.467 GB, free: 10.01 MB / 1.17 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002326/0.6791, allocations: 1.477 MB / 1.469 GB, free: 8.523 MB / 1.17 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005093/0.6796, allocations: 69.7 kB / 1.469 GB, free: 8.449 MB / 1.17 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00111/0.6808, allocations: 1.546 MB / 1.471 GB, free: 6.887 MB / 1.17 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001137/0.6819, allocations: 0.9644 MB / 1.471 GB, free: 5.914 MB / 1.17 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001202/0.6831, allocations: 0.6359 MB / 1.472 GB, free: 5.27 MB / 1.17 GB
Notification: Performance of setup shared object (initialization): time 0.0001403/0.6832, allocations: 313 kB / 1.472 GB, free: 4.961 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006091/0.6893, allocations: 2.69 MB / 1.475 GB, free: 2.262 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006794/0.6961, allocations: 3.567 MB / 1.478 GB, free: 14.32 MB / 1.186 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01318/0.7093, allocations: 6.399 MB / 1.485 GB, free: 7.52 MB / 1.186 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.63e-05/0.7093, allocations: 12 kB / 1.485 GB, free: 7.508 MB / 1.186 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 0.02945/0.7388, allocations: 10.94 MB / 1.495 GB, free: 12.46 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 5.1e-05/0.7388, allocations: 16.56 kB / 1.495 GB, free: 12.45 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.53e-05/0.7389, allocations: 28 kB / 1.495 GB, free: 12.42 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02052/0.7594, allocations: 5.54 MB / 1.501 GB, free: 6.859 MB / 1.201 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004577/0.764, allocations: 0.9947 MB / 1.502 GB, free: 5.863 MB / 1.201 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04729/0.8113, allocations: 28.22 MB / 1.529 GB, free: 9.191 MB / 1.232 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005227/0.8165, allocations: 0.5772 MB / 1.53 GB, free: 8.613 MB / 1.232 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008166/0.8173, allocations: 147.9 kB / 1.53 GB, free: 8.469 MB / 1.232 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008902/0.8262, allocations: 3.989 MB / 1.534 GB, free: 4.473 MB / 1.232 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007231/0.8335, allocations: 3.528 MB / 1.537 GB, free: 0.5625 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09113/0.9246, allocations: 24.63 MB / 1.561 GB, free: 7.426 MB / 1.264 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.81e-05/0.9246, allocations: 8 kB / 1.562 GB, free: 7.418 MB / 1.264 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 0.02878/0.9534, allocations: 10.47 MB / 1.572 GB, free: 12.81 MB / 1.279 GB
Notification: Performance of prepare postOptimizeDAE: time 4.283e-05/0.9534, allocations: 19.94 kB / 1.572 GB, free: 12.79 MB / 1.279 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.002e-05/0.9535, allocations: 28 kB / 1.572 GB, free: 12.76 MB / 1.279 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01573/0.9692, allocations: 4.313 MB / 1.576 GB, free: 8.426 MB / 1.279 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004672/0.9739, allocations: 1.041 MB / 1.577 GB, free: 7.383 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7091/1.683, allocations: 27.14 MB / 1.603 GB, free: 255.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005313/1.688, allocations: 0.5585 MB / 1.604 GB, free: 255.2 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005949/1.689, allocations: 150.9 kB / 1.604 GB, free: 255.2 MB / 1.295 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 0.00117/1.69, allocations: 395.6 kB / 1.605 GB, free: 255.1 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007706/1.691, allocations: 210.2 kB / 1.605 GB, free: 255.1 MB / 1.295 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 0.03051/1.721, allocations: 10.09 MB / 1.615 GB, free: 253.9 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.845e-05/1.721, allocations: 30.94 kB / 1.615 GB, free: 253.9 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.495e-05/1.721, allocations: 12.22 kB / 1.615 GB, free: 253.9 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.644e-05/1.722, allocations: 14.47 kB / 1.615 GB, free: 253.9 MB / 1.295 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 0.03409/1.756, allocations: 16.18 MB / 1.63 GB, free: 248.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.493e-05/1.756, allocations: 6.875 kB / 1.63 GB, free: 248.2 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003255/1.759, allocations: 0.7328 MB / 1.631 GB, free: 248.2 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01663/1.776, allocations: 5.188 MB / 1.636 GB, free: 247.6 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000528/1.776, allocations: 68.48 kB / 1.636 GB, free: 247.6 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03227/1.808, allocations: 27.27 MB / 1.663 GB, free: 229.3 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.873e-06/1.808, allocations: 12.03 kB / 1.663 GB, free: 229.3 MB / 1.295 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 0.022/1.83, allocations: 10.03 MB / 1.673 GB, free: 219.1 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001667/1.832, allocations: 0.7281 MB / 1.673 GB, free: 218.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000403/1.832, allocations: 62.06 kB / 1.674 GB, free: 218.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003297/1.836, allocations: 0.507 MB / 1.674 GB, free: 217.8 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007872/1.837, allocations: 234.3 kB / 1.674 GB, free: 217.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002111/1.837, allocations: 91.95 kB / 1.674 GB, free: 217.4 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001266/1.838, allocations: 1.001 MB / 1.675 GB, free: 216.4 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.2e-07/1.838, allocations: 0 / 1.675 GB, free: 216.4 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005888/1.844, allocations: 1.855 MB / 1.677 GB, free: 214.6 MB / 1.295 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 0.02241/1.866, allocations: 10.68 MB / 1.688 GB, free: 203.6 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02585/1.892, allocations: 12.02 MB / 1.699 GB, free: 191.5 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.584e-05/1.892, allocations: 0 / 1.699 GB, free: 191.5 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009291/1.901, allocations: 4.273 MB / 1.703 GB, free: 187.2 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002165/1.904, allocations: 289.5 kB / 1.704 GB, free: 187 MB / 1.295 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 0.08175/1.985, allocations: 42.32 MB / 1.745 GB, free: 143.4 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002392/1.988, allocations: 2.847 MB / 1.748 GB, free: 140.5 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003793/1.992, allocations: 1.666 MB / 1.749 GB, free: 138.8 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001512/1.993, allocations: 1.226 MB / 1.751 GB, free: 137.6 MB / 1.295 GB
Notification: Performance of SimCode: time 1.002e-06/1.993, allocations: 0 / 1.751 GB, free: 137.6 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1372/2.13, allocations: 104.2 MB / 1.852 GB, free: 33.8 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.49/18.62, allocations: 3.781 kB / 1.852 GB, free: 33.8 MB / 1.295 GB
"
[Timeout remaining time 281]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 25.54337939596735]
Failed to read output from testmodel.py, exit status != 0:
18.758683671010658 18.769125928 18.311444
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fa90355ece0>