Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo", uses=false)
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_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_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.007636/0.007636, allocations: 100.7 kB / 15.73 MB, free: 6.062 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001775/0.001775, allocations: 193.1 kB / 16.67 MB, free: 5.973 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.246/1.246, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo): time 2.403/2.403, allocations: 469.4 MB / 0.7422 GB, free: 3.461 MB / 0.6075 GB
Notification: Performance of FrontEnd - loaded program: time 0.001166/0.001166, allocations: 71.81 kB / 1.064 GB, free: 14.15 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6922/0.6934, allocations: 159.1 MB / 1.22 GB, free: 2.203 MB / 0.9356 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01915/0.7125, allocations: 18.26 MB / 1.238 GB, free: 15.87 MB / 0.9669 GB
Notification: Performance of NFInst.instExpressions: time 0.009885/0.7225, allocations: 6.819 MB / 1.244 GB, free: 9.035 MB / 0.9669 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001044/0.7236, allocations: 55.88 kB / 1.244 GB, free: 8.98 MB / 0.9669 GB
Notification: Performance of NFTyping.typeComponents: time 0.003183/0.7268, allocations: 1.477 MB / 1.246 GB, free: 7.5 MB / 0.9669 GB
Notification: Performance of NFTyping.typeBindings: time 0.002705/0.7295, allocations: 1.459 MB / 1.247 GB, free: 6.035 MB / 0.9669 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002594/0.7321, allocations: 1.268 MB / 1.248 GB, free: 4.766 MB / 0.9669 GB
Notification: Performance of NFFlatten.flatten: time 0.004835/0.7369, allocations: 5.468 MB / 1.254 GB, free: 15.29 MB / 0.9825 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006716/0.7436, allocations: 7.12 MB / 1.261 GB, free: 8.055 MB / 0.9825 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002935/0.7466, allocations: 2.384 MB / 1.263 GB, free: 5.664 MB / 0.9825 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003467/0.7501, allocations: 2.972 MB / 1.266 GB, free: 2.684 MB / 0.9825 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006622/0.7508, allocations: 0.5156 MB / 1.267 GB, free: 2.168 MB / 0.9825 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002024/0.7528, allocations: 1.264 MB / 1.268 GB, free: 0.9023 MB / 0.9825 GB
Notification: Performance of NFScalarize.scalarize: time 0.001859/0.7547, allocations: 2.25 MB / 1.27 GB, free: 14.64 MB / 0.9981 GB
Notification: Performance of NFVerifyModel.verify: time 0.002244/0.7569, allocations: 2.194 MB / 1.272 GB, free: 12.44 MB / 0.9981 GB
Notification: Performance of NFConvertDAE.convert: time 0.006831/0.7637, allocations: 7.798 MB / 1.28 GB, free: 4.625 MB / 0.9981 GB
Notification: Performance of FrontEnd - DAE generated: time 4.879e-06/0.7638, allocations: 0 / 1.28 GB, free: 4.625 MB / 0.9981 GB
Notification: Performance of FrontEnd: time 1.532e-06/0.7638, allocations: 0 / 1.28 GB, free: 4.625 MB / 0.9981 GB
Notification: Performance of Transformations before backend: time 0.0001303/0.7639, allocations: 0 / 1.28 GB, free: 4.625 MB / 0.9981 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 0.006937/0.7709, allocations: 3.911 MB / 1.284 GB, free: 0.6484 MB / 0.9981 GB
Notification: Performance of prepare preOptimizeDAE: time 4.355e-05/0.7709, allocations: 12.62 kB / 1.284 GB, free: 0.6367 MB / 0.9981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006457/0.7716, allocations: 0.5426 MB / 1.284 GB, free: 88 kB / 0.9981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01242/0.784, allocations: 2.436 MB / 1.286 GB, free: 13.64 MB / 1.014 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004835/0.7888, allocations: 2.191 MB / 1.289 GB, free: 11.41 MB / 1.014 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001825/0.789, allocations: 279.2 kB / 1.289 GB, free: 11.13 MB / 1.014 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007688/0.7898, allocations: 351.9 kB / 1.289 GB, free: 10.79 MB / 1.014 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01271/0.8025, allocations: 7.155 MB / 1.296 GB, free: 3.531 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.818e-05/0.8026, allocations: 0 / 1.296 GB, free: 3.531 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004089/0.8031, allocations: 152 kB / 1.296 GB, free: 3.383 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004156/0.8035, allocations: 334.1 kB / 1.297 GB, free: 3.055 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01394/0.8174, allocations: 7.047 MB / 1.304 GB, free: 12 MB / 1.029 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 0.03159/0.8491, allocations: 26.58 MB / 1.329 GB, free: 15.24 MB / 1.061 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007837/0.8569, allocations: 4.993 MB / 1.334 GB, free: 9.949 MB / 1.061 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005648/0.8626, allocations: 2.612 MB / 1.337 GB, free: 7.32 MB / 1.061 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002499/0.8629, allocations: 131 kB / 1.337 GB, free: 7.172 MB / 1.061 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.674e-05/0.8629, allocations: 64.5 kB / 1.337 GB, free: 7.102 MB / 1.061 GB
Notification: Performance of pre-optimization done (n=208): time 4.439e-06/0.8629, allocations: 0 / 1.337 GB, free: 7.102 MB / 1.061 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 0.1036/0.9666, allocations: 31.19 MB / 1.368 GB, free: 7.836 MB / 1.092 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001235/0.9667, allocations: 243.6 kB / 1.368 GB, free: 7.547 MB / 1.092 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00227/0.969, allocations: 1.469 MB / 1.369 GB, free: 6.07 MB / 1.092 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005185/0.9696, allocations: 65.7 kB / 1.369 GB, free: 6 MB / 1.092 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009414/0.9705, allocations: 1.55 MB / 1.371 GB, free: 4.434 MB / 1.092 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001126/0.9716, allocations: 0.9644 MB / 1.372 GB, free: 3.461 MB / 1.092 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001469/0.9731, allocations: 0.6399 MB / 1.372 GB, free: 2.812 MB / 1.092 GB
Notification: Performance of setup shared object (initialization): time 9.714e-05/0.9732, allocations: 305.1 kB / 1.373 GB, free: 2.512 MB / 1.092 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005929/0.9792, allocations: 2.69 MB / 1.375 GB, free: 15.81 MB / 1.107 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006645/0.9858, allocations: 3.567 MB / 1.379 GB, free: 11.87 MB / 1.107 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01246/0.9983, allocations: 6.406 MB / 1.385 GB, free: 5.066 MB / 1.107 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.746e-05/0.9984, allocations: 8 kB / 1.385 GB, free: 5.059 MB / 1.107 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 0.0282/1.027, allocations: 11.03 MB / 1.396 GB, free: 9.918 MB / 1.123 GB
Notification: Performance of prepare postOptimizeDAE: time 4.422e-05/1.027, allocations: 16 kB / 1.396 GB, free: 9.902 MB / 1.123 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.541e-05/1.027, allocations: 28 kB / 1.396 GB, free: 9.875 MB / 1.123 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01909/1.046, allocations: 5.54 MB / 1.401 GB, free: 4.316 MB / 1.123 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004338/1.05, allocations: 0.9906 MB / 1.402 GB, free: 3.324 MB / 1.123 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04088/1.091, allocations: 28.22 MB / 1.43 GB, free: 6.652 MB / 1.154 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004462/1.096, allocations: 0.5771 MB / 1.43 GB, free: 6.074 MB / 1.154 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000576/1.096, allocations: 147.9 kB / 1.43 GB, free: 5.93 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008257/1.104, allocations: 3.991 MB / 1.434 GB, free: 1.93 MB / 1.154 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006445/1.111, allocations: 3.536 MB / 1.438 GB, free: 14.02 MB / 1.17 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08466/1.196, allocations: 24.62 MB / 1.462 GB, free: 4.887 MB / 1.186 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.891e-05/1.196, allocations: 8 kB / 1.462 GB, free: 4.879 MB / 1.186 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 0.02547/1.221, allocations: 10.54 MB / 1.472 GB, free: 10.19 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 3.611e-05/1.221, allocations: 19.94 kB / 1.472 GB, free: 10.17 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.459e-05/1.221, allocations: 28 kB / 1.472 GB, free: 10.14 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01478/1.236, allocations: 4.321 MB / 1.476 GB, free: 5.805 MB / 1.201 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004502/1.241, allocations: 1.045 MB / 1.477 GB, free: 4.758 MB / 1.201 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03417/1.275, allocations: 27.14 MB / 1.504 GB, free: 8.891 MB / 1.232 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004388/1.279, allocations: 0.5616 MB / 1.505 GB, free: 8.328 MB / 1.232 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005411/1.28, allocations: 144 kB / 1.505 GB, free: 8.188 MB / 1.232 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 0.001048/1.281, allocations: 414.4 kB / 1.505 GB, free: 7.777 MB / 1.232 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000699/1.282, allocations: 210.7 kB / 1.505 GB, free: 7.57 MB / 1.232 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 0.02574/1.307, allocations: 10.18 MB / 1.515 GB, free: 13.32 MB / 1.248 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.085e-05/1.307, allocations: 28 kB / 1.515 GB, free: 13.3 MB / 1.248 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.965e-05/1.307, allocations: 12 kB / 1.515 GB, free: 13.29 MB / 1.248 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.82e-05/1.307, allocations: 11.95 kB / 1.515 GB, free: 13.27 MB / 1.248 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 0.03567/1.343, allocations: 16.29 MB / 1.531 GB, free: 12.73 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.185e-05/1.343, allocations: 8 kB / 1.531 GB, free: 12.73 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003339/1.347, allocations: 0.7297 MB / 1.532 GB, free: 12 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01787/1.364, allocations: 5.173 MB / 1.537 GB, free: 6.809 MB / 1.264 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005346/1.365, allocations: 83.88 kB / 1.537 GB, free: 6.727 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.6026/1.968, allocations: 27.25 MB / 1.564 GB, free: 313.4 MB / 1.279 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.004e-05/1.968, allocations: 12.3 kB / 1.564 GB, free: 313.4 MB / 1.279 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 0.0251/1.993, allocations: 10.12 MB / 1.573 GB, free: 312.1 MB / 1.279 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001887/1.995, allocations: 0.725 MB / 1.574 GB, free: 311.8 MB / 1.279 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003774/1.995, allocations: 59.05 kB / 1.574 GB, free: 311.8 MB / 1.279 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004527/2, allocations: 0.5061 MB / 1.575 GB, free: 311.7 MB / 1.279 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009676/2.001, allocations: 232.8 kB / 1.575 GB, free: 311.7 MB / 1.279 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003189/2.001, allocations: 90.64 kB / 1.575 GB, free: 311.7 MB / 1.279 GB
Notification: Performance of sorting global known variables: time 0.001893/2.003, allocations: 1.005 MB / 1.576 GB, free: 311.3 MB / 1.279 GB
Notification: Performance of sort global known variables: time 2.3e-07/2.003, allocations: 0 / 1.576 GB, free: 311.3 MB / 1.279 GB
Notification: Performance of remove unused functions: time 0.007505/2.01, allocations: 1.857 MB / 1.578 GB, free: 311.1 MB / 1.279 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 0.02892/2.039, allocations: 10.77 MB / 1.588 GB, free: 307.3 MB / 1.279 GB
Notification: Performance of simCode: created initialization part: time 0.0271/2.066, allocations: 12.47 MB / 1.601 GB, free: 302.5 MB / 1.279 GB
Notification: Performance of simCode: created event and clocks part: time 1.041e-05/2.066, allocations: 4 kB / 1.601 GB, free: 302.5 MB / 1.279 GB
Notification: Performance of simCode: created simulation system equations: time 0.008738/2.075, allocations: 4.441 MB / 1.605 GB, free: 299 MB / 1.279 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002072/2.077, allocations: 291.8 kB / 1.605 GB, free: 298.7 MB / 1.279 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 0.07926/2.157, allocations: 42.5 MB / 1.647 GB, free: 255.1 MB / 1.279 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002269/2.159, allocations: 2.846 MB / 1.649 GB, free: 252.2 MB / 1.279 GB
Notification: Performance of simCode: alias equations: time 0.003729/2.163, allocations: 1.654 MB / 1.651 GB, free: 250.6 MB / 1.279 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001414/2.164, allocations: 1.226 MB / 1.652 GB, free: 249.4 MB / 1.279 GB
Notification: Performance of SimCode: time 9.52e-07/2.164, allocations: 0 / 1.652 GB, free: 249.4 MB / 1.279 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1198/2.284, allocations: 103.4 MB / 1.753 GB, free: 146.4 MB / 1.279 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.06/17.35, allocations: 12.56 kB / 1.753 GB, free: 146.4 MB / 1.279 GB
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.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 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)