Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 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.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_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_latest_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 0.005142/0.005142, allocations: 100.8 kB / 15.73 MB, free: 6.059 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001048/0.001049, allocations: 195.3 kB / 16.68 MB, free: 5.969 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.267/1.267, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo): time 2.466/2.466, allocations: 469.4 MB / 0.7421 GB, free: 3.473 MB / 0.6075 GB
Notification: Performance of FrontEnd - loaded program: time 0.002096/0.002096, allocations: 63.91 kB / 1.064 GB, free: 14.17 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7632/0.7653, allocations: 159.1 MB / 1.22 GB, free: 2.266 MB / 0.9356 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02021/0.7856, allocations: 18.19 MB / 1.238 GB, free: 12 kB / 0.9512 GB
Notification: Performance of NFInst.instExpressions: time 0.01111/0.7968, allocations: 6.792 MB / 1.244 GB, free: 9.203 MB / 0.9669 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001595/0.7984, allocations: 59.81 kB / 1.244 GB, free: 9.145 MB / 0.9669 GB
Notification: Performance of NFTyping.typeComponents: time 0.003886/0.8023, allocations: 1.474 MB / 1.246 GB, free: 7.664 MB / 0.9669 GB
Notification: Performance of NFTyping.typeBindings: time 0.003604/0.806, allocations: 1.451 MB / 1.247 GB, free: 6.207 MB / 0.9669 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003142/0.8091, allocations: 1.251 MB / 1.248 GB, free: 4.957 MB / 0.9669 GB
Notification: Performance of NFFlatten.flatten: time 0.005435/0.8146, allocations: 5.441 MB / 1.254 GB, free: 15.5 MB / 0.9825 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008245/0.8228, allocations: 7.063 MB / 1.261 GB, free: 8.328 MB / 0.9825 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003472/0.8263, allocations: 2.376 MB / 1.263 GB, free: 5.945 MB / 0.9825 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00455/0.8309, allocations: 2.957 MB / 1.266 GB, free: 2.98 MB / 0.9825 GB
Notification: Performance of NFPackage.collectConstants: time 0.001349/0.8323, allocations: 0.5117 MB / 1.266 GB, free: 2.469 MB / 0.9825 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002934/0.8352, allocations: 1.252 MB / 1.268 GB, free: 1.215 MB / 0.9825 GB
Notification: Performance of NFScalarize.scalarize: time 0.003008/0.8382, allocations: 2.242 MB / 1.27 GB, free: 14.97 MB / 0.9981 GB
Notification: Performance of NFVerifyModel.verify: time 0.003883/0.8421, allocations: 2.163 MB / 1.272 GB, free: 12.8 MB / 0.9981 GB
Notification: Performance of NFConvertDAE.convert: time 0.009005/0.8512, allocations: 7.742 MB / 1.279 GB, free: 5.031 MB / 0.9981 GB
Notification: Performance of FrontEnd - DAE generated: time 6.001e-06/0.8512, allocations: 4 kB / 1.279 GB, free: 5.027 MB / 0.9981 GB
Notification: Performance of FrontEnd: time 1.903e-06/0.8512, allocations: 0 / 1.279 GB, free: 5.027 MB / 0.9981 GB
Notification: Performance of Transformations before backend: time 0.0002381/0.8514, allocations: 0 / 1.279 GB, free: 5.027 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.009794/0.8613, allocations: 3.872 MB / 1.283 GB, free: 1.09 MB / 0.9981 GB
Notification: Performance of prepare preOptimizeDAE: time 4.902e-05/0.8613, allocations: 12.62 kB / 1.283 GB, free: 1.078 MB / 0.9981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001511/0.8628, allocations: 0.5422 MB / 1.284 GB, free: 0.5273 MB / 0.9981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01326/0.8761, allocations: 2.417 MB / 1.286 GB, free: 14.11 MB / 1.014 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005453/0.8816, allocations: 2.187 MB / 1.288 GB, free: 11.87 MB / 1.014 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000243/0.8819, allocations: 275.2 kB / 1.288 GB, free: 11.6 MB / 1.014 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001228/0.8831, allocations: 340 kB / 1.289 GB, free: 11.27 MB / 1.014 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01538/0.8985, allocations: 7.126 MB / 1.296 GB, free: 4.039 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001124/0.8986, allocations: 4 kB / 1.296 GB, free: 4.035 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009169/0.8996, allocations: 148 kB / 1.296 GB, free: 3.891 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004535/0.9, allocations: 338 kB / 1.296 GB, free: 3.559 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01562/0.9156, allocations: 7.032 MB / 1.303 GB, free: 12.52 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 0.03274/0.9484, allocations: 26.46 MB / 1.329 GB, free: 15.88 MB / 1.061 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007914/0.9564, allocations: 4.978 MB / 1.334 GB, free: 10.61 MB / 1.061 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005724/0.9621, allocations: 2.616 MB / 1.336 GB, free: 7.98 MB / 1.061 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002417/0.9624, allocations: 131 kB / 1.336 GB, free: 7.832 MB / 1.061 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.557e-05/0.9624, allocations: 64.48 kB / 1.337 GB, free: 7.762 MB / 1.061 GB
Notification: Performance of pre-optimization done (n=208): time 4.909e-06/0.9625, allocations: 4 kB / 1.337 GB, free: 7.758 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 0.1021/1.065, allocations: 31.14 MB / 1.367 GB, free: 8.543 MB / 1.092 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001139/1.065, allocations: 235.6 kB / 1.367 GB, free: 8.262 MB / 1.092 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002252/1.067, allocations: 1.439 MB / 1.369 GB, free: 6.812 MB / 1.092 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004721/1.067, allocations: 65.7 kB / 1.369 GB, free: 6.742 MB / 1.092 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009364/1.068, allocations: 1.534 MB / 1.37 GB, free: 5.191 MB / 1.092 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001231/1.07, allocations: 0.9644 MB / 1.371 GB, free: 4.219 MB / 1.092 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001559/1.071, allocations: 0.6398 MB / 1.372 GB, free: 3.57 MB / 1.092 GB
Notification: Performance of setup shared object (initialization): time 8.089e-05/1.071, allocations: 309.1 kB / 1.372 GB, free: 3.266 MB / 1.092 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005753/1.077, allocations: 2.694 MB / 1.375 GB, free: 0.5625 MB / 1.092 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006246/1.083, allocations: 3.571 MB / 1.378 GB, free: 12.62 MB / 1.107 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01186/1.095, allocations: 6.395 MB / 1.384 GB, free: 5.824 MB / 1.107 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.786e-05/1.095, allocations: 8 kB / 1.384 GB, free: 5.816 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 0.02726/1.123, allocations: 11.04 MB / 1.395 GB, free: 10.66 MB / 1.123 GB
Notification: Performance of prepare postOptimizeDAE: time 5.818e-05/1.123, allocations: 19.98 kB / 1.395 GB, free: 10.64 MB / 1.123 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.011e-05/1.123, allocations: 24.56 kB / 1.395 GB, free: 10.62 MB / 1.123 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01938/1.142, allocations: 5.544 MB / 1.401 GB, free: 5.062 MB / 1.123 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004244/1.146, allocations: 0.9945 MB / 1.402 GB, free: 4.066 MB / 1.123 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04266/1.189, allocations: 28.22 MB / 1.429 GB, free: 7.391 MB / 1.154 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004516/1.194, allocations: 0.5733 MB / 1.43 GB, free: 6.816 MB / 1.154 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005943/1.194, allocations: 155.9 kB / 1.43 GB, free: 6.664 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008045/1.202, allocations: 3.984 MB / 1.434 GB, free: 2.672 MB / 1.154 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006501/1.209, allocations: 3.536 MB / 1.437 GB, free: 14.76 MB / 1.17 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08677/1.296, allocations: 24.64 MB / 1.461 GB, free: 5.605 MB / 1.186 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.652e-05/1.296, allocations: 8 kB / 1.461 GB, free: 5.598 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 0.02589/1.322, allocations: 10.54 MB / 1.472 GB, free: 10.91 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 4.283e-05/1.322, allocations: 16 kB / 1.472 GB, free: 10.89 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.885e-05/1.322, allocations: 28 kB / 1.472 GB, free: 10.87 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01464/1.336, allocations: 4.325 MB / 1.476 GB, free: 6.523 MB / 1.201 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00448/1.341, allocations: 1.041 MB / 1.477 GB, free: 5.48 MB / 1.201 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03489/1.376, allocations: 27.11 MB / 1.503 GB, free: 9.641 MB / 1.232 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00455/1.38, allocations: 0.5576 MB / 1.504 GB, free: 9.082 MB / 1.232 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006667/1.381, allocations: 155.9 kB / 1.504 GB, free: 8.93 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 0.001356/1.382, allocations: 398.4 kB / 1.504 GB, free: 8.535 MB / 1.232 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008158/1.383, allocations: 206.7 kB / 1.505 GB, free: 8.332 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 0.02559/1.409, allocations: 10.18 MB / 1.515 GB, free: 14.08 MB / 1.248 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.853e-05/1.409, allocations: 28 kB / 1.515 GB, free: 14.05 MB / 1.248 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.319e-05/1.409, allocations: 12 kB / 1.515 GB, free: 14.04 MB / 1.248 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.456e-05/1.409, allocations: 23.88 kB / 1.515 GB, free: 14.02 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 0.03643/1.445, allocations: 16.27 MB / 1.53 GB, free: 13.5 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.55e-05/1.445, allocations: 8 kB / 1.53 GB, free: 13.49 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003407/1.449, allocations: 0.7336 MB / 1.531 GB, free: 12.76 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01772/1.467, allocations: 5.185 MB / 1.536 GB, free: 7.559 MB / 1.264 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004776/1.467, allocations: 71.95 kB / 1.536 GB, free: 7.488 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.6223/2.089, allocations: 27.24 MB / 1.563 GB, free: 313.3 MB / 1.279 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.589e-05/2.09, allocations: 12.88 kB / 1.563 GB, free: 313.3 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 0.02519/2.115, allocations: 10.1 MB / 1.573 GB, free: 312.2 MB / 1.279 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002038/2.117, allocations: 0.7349 MB / 1.574 GB, free: 312.1 MB / 1.279 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005024/2.117, allocations: 56.62 kB / 1.574 GB, free: 312.1 MB / 1.279 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003359/2.121, allocations: 0.5091 MB / 1.574 GB, free: 312.1 MB / 1.279 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007111/2.121, allocations: 225.4 kB / 1.574 GB, free: 312.1 MB / 1.279 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002188/2.122, allocations: 92.27 kB / 1.574 GB, free: 312.1 MB / 1.279 GB
Notification: Performance of sorting global known variables: time 0.001349/2.123, allocations: 0.971 MB / 1.575 GB, free: 311.7 MB / 1.279 GB
Notification: Performance of sort global known variables: time 2.61e-07/2.123, allocations: 3.688 kB / 1.575 GB, free: 311.7 MB / 1.279 GB
Notification: Performance of remove unused functions: time 0.005327/2.128, allocations: 1.848 MB / 1.577 GB, free: 311.5 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 0.02191/2.15, allocations: 10.76 MB / 1.588 GB, free: 307.8 MB / 1.279 GB
Notification: Performance of simCode: created initialization part: time 0.02492/2.175, allocations: 12.48 MB / 1.6 GB, free: 303.1 MB / 1.279 GB
Notification: Performance of simCode: created event and clocks part: time 1.135e-05/2.175, allocations: 3.5 kB / 1.6 GB, free: 303.1 MB / 1.279 GB
Notification: Performance of simCode: created simulation system equations: time 0.009052/2.184, allocations: 4.435 MB / 1.604 GB, free: 299.6 MB / 1.279 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002288/2.187, allocations: 262.7 kB / 1.604 GB, free: 299.3 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.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07825/2.265, allocations: 41.74 MB / 1.645 GB, free: 256.7 MB / 1.279 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002552/2.267, allocations: 2.836 MB / 1.648 GB, free: 253.8 MB / 1.279 GB
Notification: Performance of simCode: alias equations: time 0.004098/2.272, allocations: 1.652 MB / 1.65 GB, free: 252.2 MB / 1.279 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001346/2.273, allocations: 1.206 MB / 1.651 GB, free: 251 MB / 1.279 GB
Notification: Performance of SimCode: time 8.62e-07/2.273, allocations: 0 / 1.651 GB, free: 251 MB / 1.279 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.125/2.398, allocations: 102.5 MB / 1.751 GB, free: 148.9 MB / 1.279 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.19/17.59, allocations: 3.875 kB / 1.751 GB, free: 148.9 MB / 1.279 GB
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)