Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.007687/0.007687, allocations: 98.19 kB / 15.73 MB, free: 6.012 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002087/0.002087, allocations: 197 kB / 16.68 MB, free: 5.93 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.295/1.295, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.506/2.506, allocations: 482.6 MB / 0.7551 GB, free: 6.617 MB / 0.6231 GB
Notification: Performance of FrontEnd - loaded program: time 0.001721/0.001721, allocations: 68.83 kB / 1.083 GB, free: 13.75 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.258/0.2597, allocations: 162.3 MB / 1.242 GB, free: 8.84 MB / 0.9669 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02053/0.2803, allocations: 18.26 MB / 1.26 GB, free: 6.516 MB / 0.9825 GB
Notification: Performance of NFInst.instExpressions: time 0.009897/0.2902, allocations: 6.878 MB / 1.267 GB, free: 15.62 MB / 0.9981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0006616/0.2909, allocations: 59.88 kB / 1.267 GB, free: 15.56 MB / 0.9981 GB
Notification: Performance of NFTyping.typeComponents: time 0.003078/0.2939, allocations: 1.458 MB / 1.268 GB, free: 14.1 MB / 0.9981 GB
Notification: Performance of NFTyping.typeBindings: time 0.002339/0.2963, allocations: 1.447 MB / 1.269 GB, free: 12.65 MB / 0.9981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002384/0.2987, allocations: 1.267 MB / 1.271 GB, free: 11.38 MB / 0.9981 GB
Notification: Performance of NFFlatten.flatten: time 0.005118/0.3038, allocations: 5.472 MB / 1.276 GB, free: 5.895 MB / 0.9981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007255/0.3111, allocations: 7.112 MB / 1.283 GB, free: 14.67 MB / 1.014 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002649/0.3137, allocations: 2.369 MB / 1.285 GB, free: 12.29 MB / 1.014 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003397/0.3172, allocations: 2.976 MB / 1.288 GB, free: 9.309 MB / 1.014 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006507/0.3178, allocations: 0.5195 MB / 1.289 GB, free: 8.789 MB / 1.014 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002058/0.3199, allocations: 1.264 MB / 1.29 GB, free: 7.523 MB / 1.014 GB
Notification: Performance of NFScalarize.scalarize: time 0.001945/0.3218, allocations: 2.25 MB / 1.292 GB, free: 5.27 MB / 1.014 GB
Notification: Performance of NFVerifyModel.verify: time 0.002119/0.324, allocations: 2.187 MB / 1.294 GB, free: 3.074 MB / 1.014 GB
Notification: Performance of NFConvertDAE.convert: time 0.006758/0.3307, allocations: 7.796 MB / 1.302 GB, free: 11.25 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 3.767e-06/0.3307, allocations: 4 kB / 1.302 GB, free: 11.25 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.493e-06/0.3308, allocations: 3.938 kB / 1.302 GB, free: 11.25 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 7.429e-05/0.3308, allocations: 0 / 1.302 GB, free: 11.25 MB / 1.029 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 0.006467/0.3373, allocations: 3.915 MB / 1.306 GB, free: 7.266 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 3.52e-05/0.3374, allocations: 8.031 kB / 1.306 GB, free: 7.258 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006596/0.338, allocations: 0.5465 MB / 1.306 GB, free: 6.703 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01195/0.35, allocations: 2.429 MB / 1.309 GB, free: 4.27 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003511/0.3535, allocations: 2.203 MB / 1.311 GB, free: 2.02 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001859/0.3537, allocations: 275.2 kB / 1.311 GB, free: 1.75 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005688/0.3543, allocations: 348 kB / 1.311 GB, free: 1.41 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0122/0.3665, allocations: 7.159 MB / 1.318 GB, free: 10.15 MB / 1.045 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.202e-05/0.3666, allocations: 4 kB / 1.318 GB, free: 10.14 MB / 1.045 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004277/0.367, allocations: 152 kB / 1.318 GB, free: 9.996 MB / 1.045 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004245/0.3674, allocations: 330.1 kB / 1.319 GB, free: 9.672 MB / 1.045 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01439/0.3818, allocations: 7.051 MB / 1.326 GB, free: 2.613 MB / 1.045 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02983/0.4117, allocations: 26.53 MB / 1.352 GB, free: 5.91 MB / 1.076 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008004/0.4197, allocations: 4.999 MB / 1.356 GB, free: 0.6094 MB / 1.076 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005668/0.4254, allocations: 2.612 MB / 1.359 GB, free: 13.97 MB / 1.092 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002363/0.4257, allocations: 139 kB / 1.359 GB, free: 13.82 MB / 1.092 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.271e-05/0.4257, allocations: 56.55 kB / 1.359 GB, free: 13.75 MB / 1.092 GB
Notification: Performance of pre-optimization done (n=208): time 3.737e-06/0.4257, allocations: 3.938 kB / 1.359 GB, free: 13.75 MB / 1.092 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.conv2.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.conv2.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 0.09835/0.5241, allocations: 31.19 MB / 1.39 GB, free: 14.5 MB / 1.123 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001297/0.5242, allocations: 235.6 kB / 1.39 GB, free: 14.22 MB / 1.123 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002044/0.5263, allocations: 1.473 MB / 1.391 GB, free: 12.74 MB / 1.123 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003747/0.5267, allocations: 73.7 kB / 1.391 GB, free: 12.66 MB / 1.123 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009944/0.5277, allocations: 1.546 MB / 1.393 GB, free: 11.1 MB / 1.123 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008603/0.5285, allocations: 0.9683 MB / 1.394 GB, free: 10.12 MB / 1.123 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001074/0.5296, allocations: 0.6321 MB / 1.394 GB, free: 9.484 MB / 1.123 GB
Notification: Performance of setup shared object (initialization): time 0.0001101/0.5297, allocations: 305.1 kB / 1.395 GB, free: 9.184 MB / 1.123 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005727/0.5355, allocations: 2.686 MB / 1.397 GB, free: 6.488 MB / 1.123 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006303/0.5418, allocations: 3.567 MB / 1.401 GB, free: 2.543 MB / 1.123 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01577/0.5576, allocations: 6.406 MB / 1.407 GB, free: 11.74 MB / 1.139 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.636e-05/0.5576, allocations: 8 kB / 1.407 GB, free: 11.73 MB / 1.139 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.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.conv2.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 0.02656/0.5842, allocations: 11.01 MB / 1.418 GB, free: 0.6211 MB / 1.139 GB
Notification: Performance of prepare postOptimizeDAE: time 2.858e-05/0.5842, allocations: 16 kB / 1.418 GB, free: 0.6055 MB / 1.139 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.41e-05/0.5842, allocations: 28 kB / 1.418 GB, free: 0.5781 MB / 1.139 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01854/0.6028, allocations: 5.56 MB / 1.423 GB, free: 11 MB / 1.154 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003939/0.6067, allocations: 0.9945 MB / 1.424 GB, free: 10.01 MB / 1.154 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04181/0.6486, allocations: 28.2 MB / 1.452 GB, free: 13.35 MB / 1.186 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00681/0.6554, allocations: 0.5732 MB / 1.452 GB, free: 12.78 MB / 1.186 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003573/0.6558, allocations: 155.9 kB / 1.453 GB, free: 12.62 MB / 1.186 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007555/0.6633, allocations: 3.984 MB / 1.456 GB, free: 8.633 MB / 1.186 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006271/0.6696, allocations: 3.528 MB / 1.46 GB, free: 4.727 MB / 1.186 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08492/0.7546, allocations: 24.62 MB / 1.484 GB, free: 11.59 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.813e-05/0.7546, allocations: 8 kB / 1.484 GB, free: 11.58 MB / 1.217 GB
Warning: The linear system: 
1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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.conv2.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]
]
 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_lambda0): time 0.02557/0.7802, allocations: 10.54 MB / 1.494 GB, free: 0.8984 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 3.236e-05/0.7802, allocations: 19.94 kB / 1.494 GB, free: 0.8789 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.71e-05/0.7803, allocations: 24 kB / 1.494 GB, free: 0.8555 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01469/0.795, allocations: 4.321 MB / 1.498 GB, free: 12.52 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004429/0.7994, allocations: 1.045 MB / 1.5 GB, free: 11.47 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03485/0.8343, allocations: 27.16 MB / 1.526 GB, free: 15.58 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004099/0.8384, allocations: 0.5542 MB / 1.527 GB, free: 15.03 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000302/0.8387, allocations: 152 kB / 1.527 GB, free: 14.88 MB / 1.264 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.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.0007896/0.8395, allocations: 408.8 kB / 1.527 GB, free: 14.47 MB / 1.264 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004672/0.84, allocations: 210.7 kB / 1.527 GB, free: 14.27 MB / 1.264 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02558/0.8656, allocations: 10.17 MB / 1.537 GB, free: 4.02 MB / 1.264 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.23e-05/0.8656, allocations: 28 kB / 1.537 GB, free: 3.992 MB / 1.264 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.486e-05/0.8656, allocations: 12 kB / 1.537 GB, free: 3.98 MB / 1.264 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.696e-05/0.8657, allocations: 15.95 kB / 1.537 GB, free: 3.965 MB / 1.264 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
4 : transformer.conv2.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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  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.conv2.V2[1]
]
 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 0.5097/1.375, allocations: 16.32 MB / 1.553 GB, free: 276.6 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.469e-05/1.375, allocations: 7.25 kB / 1.553 GB, free: 276.6 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002955/1.378, allocations: 0.7411 MB / 1.554 GB, free: 276.6 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01635/1.395, allocations: 5.174 MB / 1.559 GB, free: 276.3 MB / 1.264 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002364/1.395, allocations: 76.94 kB / 1.559 GB, free: 276.3 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02939/1.424, allocations: 27.23 MB / 1.586 GB, free: 262.2 MB / 1.264 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.169e-06/1.424, allocations: 11.78 kB / 1.586 GB, free: 262.2 MB / 1.264 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01975/1.444, allocations: 10.14 MB / 1.596 GB, free: 258 MB / 1.264 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0008555/1.445, allocations: 0.7339 MB / 1.596 GB, free: 257.6 MB / 1.264 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003173/1.445, allocations: 54.78 kB / 1.596 GB, free: 257.5 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002887/1.448, allocations: 0.5102 MB / 1.597 GB, free: 257.3 MB / 1.264 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004633/1.449, allocations: 227.1 kB / 1.597 GB, free: 257.2 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001874/1.449, allocations: 89.77 kB / 1.597 GB, free: 257.1 MB / 1.264 GB
Notification: Performance of sorting global known variables: time 0.0009917/1.45, allocations: 1.006 MB / 1.598 GB, free: 256.2 MB / 1.264 GB
Notification: Performance of sort global known variables: time 1.2e-07/1.45, allocations: 0 / 1.598 GB, free: 256.2 MB / 1.264 GB
Notification: Performance of remove unused functions: time 0.003642/1.454, allocations: 1.855 MB / 1.6 GB, free: 254.3 MB / 1.264 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 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_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 0.01974/1.473, allocations: 10.81 MB / 1.611 GB, free: 243.3 MB / 1.264 GB
Notification: Performance of simCode: created initialization part: time 0.02067/1.494, allocations: 12.47 MB / 1.623 GB, free: 230.8 MB / 1.264 GB
Notification: Performance of simCode: created event and clocks part: time 4.318e-06/1.494, allocations: 2.844 kB / 1.623 GB, free: 230.8 MB / 1.264 GB
Notification: Performance of simCode: created simulation system equations: time 0.007524/1.502, allocations: 4.403 MB / 1.627 GB, free: 226.3 MB / 1.264 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001479/1.503, allocations: 289 kB / 1.627 GB, free: 226.1 MB / 1.264 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.conv2.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.conv2.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.conv2.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.conv2.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 0.07001/1.573, allocations: 42.48 MB / 1.669 GB, free: 182.3 MB / 1.264 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001907/1.575, allocations: 2.849 MB / 1.672 GB, free: 179.5 MB / 1.264 GB
Notification: Performance of simCode: alias equations: time 0.003205/1.578, allocations: 1.657 MB / 1.673 GB, free: 177.8 MB / 1.264 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001176/1.579, allocations: 1.229 MB / 1.674 GB, free: 176.6 MB / 1.264 GB
Notification: Performance of SimCode: time 5.81e-07/1.579, allocations: 0 / 1.674 GB, free: 176.6 MB / 1.264 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 4.845/6.424, allocations: 103.4 MB / 1.775 GB, free: 73.59 MB / 1.264 GB
Notification: Performance of buildModelFMU: Generate platform static: time 30.01/36.44, allocations: 18.7 kB / 1.775 GB, free: 73.57 MB / 1.264 GB
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --timeout=400 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)
TODO: How the !@#!# did the simulation report success but simulation result Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat does not exist to compare? outputFormat=mat