Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false)
Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001197/0.001197, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001152/0.001152, allocations: 191 kB / 16.53 MB, free: 6.391 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.573/1.573, allocations: 205.1 MB / 222.4 MB, free: 4.582 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.769/1.769, allocations: 292.3 MB / 0.5489 GB, free: 12.81 MB / 462.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001458/0.001458, allocations: 70.11 kB / 0.6717 GB, free: 26.21 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2716/0.273, allocations: 114.6 MB / 0.7835 GB, free: 13.32 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02305/0.2962, allocations: 18.15 MB / 0.8012 GB, free: 11.09 MB / 0.6231 GB
Notification: Performance of NFInst.instExpressions: time 0.01202/0.3083, allocations: 6.841 MB / 0.8079 GB, free: 4.23 MB / 0.6231 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002103/0.3104, allocations: 55.88 kB / 0.808 GB, free: 4.176 MB / 0.6231 GB
Notification: Performance of NFTyping.typeComponents: time 0.004103/0.3146, allocations: 1.469 MB / 0.8094 GB, free: 2.703 MB / 0.6231 GB
Notification: Performance of NFTyping.typeBindings: time 0.005216/0.3198, allocations: 1.393 MB / 0.8108 GB, free: 1.305 MB / 0.6231 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004187/0.324, allocations: 1.282 MB / 0.812 GB, free: 24 kB / 0.6231 GB
Notification: Performance of NFFlatten.flatten: time 0.008668/0.3327, allocations: 5.445 MB / 0.8173 GB, free: 10.57 MB / 0.6387 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01073/0.3435, allocations: 7.182 MB / 0.8244 GB, free: 3.27 MB / 0.6387 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004878/0.3485, allocations: 2.345 MB / 0.8266 GB, free: 0.918 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006122/0.3546, allocations: 2.957 MB / 0.8295 GB, free: 13.95 MB / 0.6544 GB
Notification: Performance of NFPackage.collectConstants: time 0.00224/0.3569, allocations: 0.5117 MB / 0.83 GB, free: 13.44 MB / 0.6544 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004703/0.3617, allocations: 1.252 MB / 0.8313 GB, free: 12.19 MB / 0.6544 GB
Notification: Performance of NFScalarize.scalarize: time 0.004516/0.3662, allocations: 2.246 MB / 0.8335 GB, free: 9.938 MB / 0.6544 GB
Notification: Performance of NFVerifyModel.verify: time 0.005226/0.3715, allocations: 2.167 MB / 0.8356 GB, free: 7.762 MB / 0.6544 GB
Notification: Performance of NFConvertDAE.convert: time 0.01055/0.3821, allocations: 7.682 MB / 0.8431 GB, free: 60 kB / 0.6544 GB
Notification: Performance of FrontEnd - DAE generated: time 1.211e-05/0.3821, allocations: 0 / 0.8431 GB, free: 60 kB / 0.6544 GB
Notification: Performance of FrontEnd: time 4.298e-06/0.3821, allocations: 4 kB / 0.8431 GB, free: 56 kB / 0.6544 GB
Notification: Performance of Transformations before backend: time 0.0003296/0.3825, allocations: 0 / 0.8431 GB, free: 56 kB / 0.6544 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 0.01277/0.3953, allocations: 3.786 MB / 0.8468 GB, free: 12.21 MB / 0.67 GB
Notification: Performance of prepare preOptimizeDAE: time 7.816e-05/0.3954, allocations: 8.031 kB / 0.8468 GB, free: 12.2 MB / 0.67 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002458/0.3978, allocations: 0.5461 MB / 0.8473 GB, free: 11.65 MB / 0.67 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02195/0.4198, allocations: 2.333 MB / 0.8496 GB, free: 9.309 MB / 0.67 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008504/0.4284, allocations: 2.147 MB / 0.8517 GB, free: 7.117 MB / 0.67 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000624/0.4291, allocations: 271.2 kB / 0.8519 GB, free: 6.852 MB / 0.67 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002645/0.4318, allocations: 347.9 kB / 0.8523 GB, free: 6.512 MB / 0.67 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02301/0.4548, allocations: 7.095 MB / 0.8592 GB, free: 15.31 MB / 0.6856 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001713/0.4551, allocations: 8 kB / 0.8592 GB, free: 15.3 MB / 0.6856 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001644/0.4567, allocations: 148 kB / 0.8594 GB, free: 15.16 MB / 0.6856 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006203/0.4573, allocations: 330 kB / 0.8597 GB, free: 14.84 MB / 0.6856 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01836/0.4757, allocations: 6.985 MB / 0.8665 GB, free: 7.84 MB / 0.6856 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 0.04086/0.5166, allocations: 26.55 MB / 0.8924 GB, free: 11.12 MB / 0.7169 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009159/0.5258, allocations: 4.984 MB / 0.8973 GB, free: 5.824 MB / 0.7169 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006141/0.532, allocations: 2.6 MB / 0.8998 GB, free: 3.211 MB / 0.7169 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003295/0.5324, allocations: 127 kB / 0.8999 GB, free: 3.07 MB / 0.7169 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.719e-05/0.5324, allocations: 64.5 kB / 0.9 GB, free: 2.996 MB / 0.7169 GB
Notification: Performance of pre-optimization done (n=208): time 3.817e-06/0.5324, allocations: 0 / 0.9 GB, free: 2.996 MB / 0.7169 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 0.6547/1.187, allocations: 30.9 MB / 0.9302 GB, free: 124.2 MB / 0.7325 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001029/1.187, allocations: 239.8 kB / 0.9304 GB, free: 124 MB / 0.7325 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002283/1.19, allocations: 1.403 MB / 0.9318 GB, free: 123.5 MB / 0.7325 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006008/1.19, allocations: 72.2 kB / 0.9319 GB, free: 123.4 MB / 0.7325 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001004/1.191, allocations: 1.482 MB / 0.9333 GB, free: 122.3 MB / 0.7325 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001213/1.192, allocations: 0.9169 MB / 0.9342 GB, free: 121.6 MB / 0.7325 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001176/1.194, allocations: 0.6306 MB / 0.9348 GB, free: 121.3 MB / 0.7325 GB
Notification: Performance of setup shared object (initialization): time 6.064e-05/1.194, allocations: 305.1 kB / 0.9351 GB, free: 121 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006792/1.2, allocations: 2.67 MB / 0.9377 GB, free: 120.1 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007205/1.208, allocations: 3.548 MB / 0.9412 GB, free: 118.3 MB / 0.7325 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01296/1.221, allocations: 6.381 MB / 0.9474 GB, free: 115.2 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001147/1.221, allocations: 7.406 kB / 0.9474 GB, free: 115.2 MB / 0.7325 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 0.02818/1.249, allocations: 10.99 MB / 0.9581 GB, free: 110.2 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 5.942e-05/1.249, allocations: 18.53 kB / 0.9582 GB, free: 110.2 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.442e-05/1.249, allocations: 27.38 kB / 0.9582 GB, free: 110.1 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01816/1.267, allocations: 5.483 MB / 0.9635 GB, free: 107.6 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00426/1.272, allocations: 0.9895 MB / 0.9645 GB, free: 107.2 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03687/1.309, allocations: 28.14 MB / 0.992 GB, free: 80.57 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005519/1.314, allocations: 0.5574 MB / 0.9925 GB, free: 80.01 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008349/1.315, allocations: 151.9 kB / 0.9927 GB, free: 79.86 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008469/1.324, allocations: 3.968 MB / 0.9966 GB, free: 75.89 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005675/1.329, allocations: 3.505 MB / 1 GB, free: 72 MB / 0.7325 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07963/1.409, allocations: 24.59 MB / 1.024 GB, free: 46.93 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.536e-05/1.409, allocations: 12 kB / 1.024 GB, free: 46.91 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 0.02377/1.433, allocations: 10.49 MB / 1.034 GB, free: 36.27 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 3.949e-05/1.433, allocations: 18.97 kB / 1.034 GB, free: 36.26 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.237e-05/1.433, allocations: 28 kB / 1.034 GB, free: 36.23 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01353/1.446, allocations: 4.269 MB / 1.038 GB, free: 31.95 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004321/1.451, allocations: 1.037 MB / 1.039 GB, free: 30.91 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0285/1.479, allocations: 27.09 MB / 1.066 GB, free: 3.145 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004735/1.484, allocations: 0.538 MB / 1.066 GB, free: 2.605 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005521/1.485, allocations: 151.9 kB / 1.067 GB, free: 2.457 MB / 0.7325 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.i1[2] - line2.i3[2]
         0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.001188/1.486, allocations: 402.5 kB / 1.067 GB, free: 2.062 MB / 0.7325 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006962/1.487, allocations: 201.6 kB / 1.067 GB, free: 1.863 MB / 0.7325 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 0.02649/1.513, allocations: 10.16 MB / 1.077 GB, free: 7.625 MB / 0.7481 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.929e-05/1.513, allocations: 24 kB / 1.077 GB, free: 7.602 MB / 0.7481 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.917e-05/1.513, allocations: 16 kB / 1.077 GB, free: 7.586 MB / 0.7481 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.221e-05/1.513, allocations: 19.88 kB / 1.077 GB, free: 7.566 MB / 0.7481 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 0.03779/1.551, allocations: 16.29 MB / 1.093 GB, free: 7.102 MB / 0.7637 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.33e-05/1.551, allocations: 8 kB / 1.093 GB, free: 7.094 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003417/1.555, allocations: 0.7379 MB / 1.094 GB, free: 6.355 MB / 0.7637 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01811/1.573, allocations: 5.114 MB / 1.099 GB, free: 1.227 MB / 0.7637 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000812/1.574, allocations: 79.89 kB / 1.099 GB, free: 1.148 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03904/1.613, allocations: 27.22 MB / 1.125 GB, free: 5.445 MB / 0.795 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.155e-05/1.613, allocations: 12.09 kB / 1.125 GB, free: 5.434 MB / 0.795 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 0.02567/1.638, allocations: 10.09 MB / 1.135 GB, free: 11.09 MB / 0.8106 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002022/1.64, allocations: 0.7172 MB / 1.136 GB, free: 10.36 MB / 0.8106 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004524/1.641, allocations: 56.64 kB / 1.136 GB, free: 10.3 MB / 0.8106 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003541/1.644, allocations: 0.4992 MB / 1.137 GB, free: 9.801 MB / 0.8106 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009916/1.645, allocations: 230.3 kB / 1.137 GB, free: 9.578 MB / 0.8106 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000225/1.646, allocations: 87.95 kB / 1.137 GB, free: 9.492 MB / 0.8106 GB
Notification: Performance of sorting global known variables: time 0.001402/1.647, allocations: 0.9489 MB / 1.138 GB, free: 8.539 MB / 0.8106 GB
Notification: Performance of sort global known variables: time 1.753e-06/1.647, allocations: 1.781 kB / 1.138 GB, free: 8.539 MB / 0.8106 GB
Notification: Performance of remove unused functions: time 0.007617/1.655, allocations: 1.84 MB / 1.14 GB, free: 6.703 MB / 0.8106 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 0.0262/1.681, allocations: 10.75 MB / 1.15 GB, free: 11.7 MB / 0.8262 GB
Notification: Performance of simCode: created initialization part: time 0.0339/1.715, allocations: 14.34 MB / 1.164 GB, free: 13.27 MB / 0.8419 GB
Notification: Performance of simCode: created event and clocks part: time 1.891e-05/1.715, allocations: 4 kB / 1.164 GB, free: 13.27 MB / 0.8419 GB
Notification: Performance of simCode: created simulation system equations: time 0.01117/1.726, allocations: 4.425 MB / 1.168 GB, free: 8.809 MB / 0.8419 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002591/1.729, allocations: 275.5 kB / 1.169 GB, free: 8.539 MB / 0.8419 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 0.09885/1.828, allocations: 43.16 MB / 1.211 GB, free: 11.43 MB / 0.8887 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003735/1.831, allocations: 2.84 MB / 1.214 GB, free: 8.555 MB / 0.8887 GB
Notification: Performance of simCode: alias equations: time 0.005208/1.837, allocations: 1.637 MB / 1.215 GB, free: 6.914 MB / 0.8887 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002268/1.839, allocations: 1.206 MB / 1.216 GB, free: 5.707 MB / 0.8887 GB
Notification: Performance of SimCode: time 1.213e-06/1.839, allocations: 0 / 1.216 GB, free: 5.707 MB / 0.8887 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.6315/2.47, allocations: 100.7 MB / 1.315 GB, free: 302.6 MB / 0.9356 GB
Notification: Performance of buildModelFMU: Generate platform static: time 13.37/15.84, allocations: 4.656 kB / 1.315 GB, free: 302.6 MB / 0.9356 GB
(rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)