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 11.0.1-master/package.mo", uses=false)
Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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 0.008597/0.008597, allocations: 102.7 kB / 15.73 MB, free: 6.031 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001879/0.001879, allocations: 190.1 kB / 16.67 MB, free: 5.953 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.324/1.324, allocations: 222.9 MB / 240.4 MB, free: 15.1 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.472/2.472, allocations: 461.9 MB / 0.7348 GB, free: 10.99 MB / 0.6075 GB
Notification: Performance of FrontEnd - loaded program: time 0.001347/0.001347, allocations: 67.84 kB / 1.054 GB, free: 8.055 MB / 0.8262 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8197/0.821, allocations: 157.4 MB / 1.207 GB, free: 13.51 MB / 0.9356 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02199/0.8431, allocations: 18.27 MB / 1.225 GB, free: 11.18 MB / 0.9512 GB
Notification: Performance of NFInst.instExpressions: time 0.01266/0.8558, allocations: 6.878 MB / 1.232 GB, free: 4.285 MB / 0.9512 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002159/0.858, allocations: 55.88 kB / 1.232 GB, free: 4.23 MB / 0.9512 GB
Notification: Performance of NFTyping.typeComponents: time 0.004074/0.8621, allocations: 1.462 MB / 1.233 GB, free: 2.766 MB / 0.9512 GB
Notification: Performance of NFTyping.typeBindings: time 0.003899/0.866, allocations: 1.443 MB / 1.235 GB, free: 1.316 MB / 0.9512 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003366/0.8694, allocations: 1.275 MB / 1.236 GB, free: 40 kB / 0.9512 GB
Notification: Performance of NFFlatten.flatten: time 0.00644/0.8758, allocations: 5.468 MB / 1.241 GB, free: 10.56 MB / 0.9669 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01021/0.8861, allocations: 7.114 MB / 1.248 GB, free: 3.332 MB / 0.9669 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004103/0.8902, allocations: 2.384 MB / 1.251 GB, free: 0.9414 MB / 0.9669 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005077/0.8953, allocations: 2.972 MB / 1.254 GB, free: 13.96 MB / 0.9825 GB
Notification: Performance of NFPackage.collectConstants: time 0.001804/0.8971, allocations: 0.5117 MB / 1.254 GB, free: 13.45 MB / 0.9825 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00357/0.9007, allocations: 1.272 MB / 1.255 GB, free: 12.18 MB / 0.9825 GB
Notification: Performance of NFScalarize.scalarize: time 0.003795/0.9046, allocations: 2.254 MB / 1.258 GB, free: 9.918 MB / 0.9825 GB
Notification: Performance of NFVerifyModel.verify: time 0.004948/0.9095, allocations: 2.183 MB / 1.26 GB, free: 7.727 MB / 0.9825 GB
Notification: Performance of NFConvertDAE.convert: time 0.01037/0.9199, allocations: 7.779 MB / 1.267 GB, free: 15.93 MB / 0.9981 GB
Notification: Performance of FrontEnd - DAE generated: time 8.125e-06/0.92, allocations: 4 kB / 1.267 GB, free: 15.92 MB / 0.9981 GB
Notification: Performance of FrontEnd: time 1.784e-06/0.92, allocations: 0 / 1.267 GB, free: 15.92 MB / 0.9981 GB
Notification: Performance of Transformations before backend: time 0.0002391/0.9202, allocations: 4 kB / 1.267 GB, free: 15.92 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 0.01076/0.931, allocations: 3.815 MB / 1.271 GB, free: 12.04 MB / 0.9981 GB
Notification: Performance of prepare preOptimizeDAE: time 4.61e-05/0.931, allocations: 8.031 kB / 1.271 GB, free: 12.04 MB / 0.9981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001645/0.9327, allocations: 0.5465 MB / 1.272 GB, free: 11.48 MB / 0.9981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01308/0.9458, allocations: 2.419 MB / 1.274 GB, free: 9.055 MB / 0.9981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005445/0.9513, allocations: 2.182 MB / 1.276 GB, free: 6.828 MB / 0.9981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003329/0.9516, allocations: 279.2 kB / 1.276 GB, free: 6.555 MB / 0.9981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00179/0.9534, allocations: 348 kB / 1.277 GB, free: 6.215 MB / 0.9981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01786/0.9713, allocations: 7.159 MB / 1.284 GB, free: 14.95 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001364/0.9715, allocations: 0 / 1.284 GB, free: 14.95 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00119/0.9727, allocations: 152 kB / 1.284 GB, free: 14.8 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007383/0.9735, allocations: 338 kB / 1.284 GB, free: 14.47 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01681/0.9903, allocations: 7.048 MB / 1.291 GB, free: 7.414 MB / 1.014 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03587/1.026, allocations: 26.5 MB / 1.317 GB, free: 10.75 MB / 1.045 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008259/1.034, allocations: 4.996 MB / 1.322 GB, free: 5.449 MB / 1.045 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005645/1.04, allocations: 2.608 MB / 1.324 GB, free: 2.816 MB / 1.045 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003019/1.041, allocations: 127 kB / 1.324 GB, free: 2.676 MB / 1.045 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.809e-05/1.041, allocations: 72.48 kB / 1.324 GB, free: 2.594 MB / 1.045 GB
Notification: Performance of pre-optimization done (n=208): time 5.09e-06/1.041, allocations: 0 / 1.324 GB, free: 2.594 MB / 1.045 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 0.1009/1.142, allocations: 30.96 MB / 1.355 GB, free: 3.547 MB / 1.076 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001577/1.142, allocations: 243.6 kB / 1.355 GB, free: 3.262 MB / 1.076 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002567/1.144, allocations: 1.465 MB / 1.356 GB, free: 1.789 MB / 1.076 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005413/1.145, allocations: 69.7 kB / 1.356 GB, free: 1.715 MB / 1.076 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001036/1.146, allocations: 1.497 MB / 1.358 GB, free: 200 kB / 1.076 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001239/1.147, allocations: 0.9167 MB / 1.359 GB, free: 15.26 MB / 1.092 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001646/1.149, allocations: 0.6357 MB / 1.359 GB, free: 14.62 MB / 1.092 GB
Notification: Performance of setup shared object (initialization): time 0.0001003/1.149, allocations: 309.1 kB / 1.36 GB, free: 14.31 MB / 1.092 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005982/1.155, allocations: 2.69 MB / 1.362 GB, free: 11.61 MB / 1.092 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006509/1.161, allocations: 3.563 MB / 1.366 GB, free: 7.672 MB / 1.092 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01255/1.174, allocations: 6.402 MB / 1.372 GB, free: 0.8711 MB / 1.092 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.841e-05/1.174, allocations: 8 kB / 1.372 GB, free: 0.8633 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=410) (initialization): time 0.02809/1.202, allocations: 10.99 MB / 1.383 GB, free: 5.77 MB / 1.107 GB
Notification: Performance of prepare postOptimizeDAE: time 5.219e-05/1.202, allocations: 21.7 kB / 1.383 GB, free: 5.75 MB / 1.107 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.046e-05/1.202, allocations: 28 kB / 1.383 GB, free: 5.723 MB / 1.107 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01951/1.222, allocations: 5.556 MB / 1.388 GB, free: 152 kB / 1.107 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004264/1.226, allocations: 0.9867 MB / 1.389 GB, free: 15.16 MB / 1.123 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04362/1.27, allocations: 28.19 MB / 1.417 GB, free: 2.52 MB / 1.139 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004407/1.274, allocations: 0.5769 MB / 1.417 GB, free: 1.941 MB / 1.139 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006585/1.275, allocations: 155.9 kB / 1.417 GB, free: 1.789 MB / 1.139 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007965/1.283, allocations: 3.984 MB / 1.421 GB, free: 13.8 MB / 1.154 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006272/1.289, allocations: 3.536 MB / 1.425 GB, free: 9.883 MB / 1.154 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08553/1.375, allocations: 24.62 MB / 1.449 GB, free: 0.7539 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.004e-05/1.375, allocations: 8 kB / 1.449 GB, free: 0.7461 MB / 1.17 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 0.02572/1.401, allocations: 10.53 MB / 1.459 GB, free: 6.074 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 4.653e-05/1.401, allocations: 19.94 kB / 1.459 GB, free: 6.055 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.605e-05/1.401, allocations: 24.56 kB / 1.459 GB, free: 6.031 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0144/1.415, allocations: 4.326 MB / 1.463 GB, free: 1.688 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004307/1.419, allocations: 1.041 MB / 1.464 GB, free: 0.6445 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03379/1.453, allocations: 27.14 MB / 1.491 GB, free: 4.762 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004543/1.458, allocations: 0.5576 MB / 1.491 GB, free: 4.203 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007663/1.459, allocations: 152 kB / 1.492 GB, free: 4.055 MB / 1.217 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 0.001364/1.46, allocations: 391.3 kB / 1.492 GB, free: 3.664 MB / 1.217 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008915/1.461, allocations: 201.7 kB / 1.492 GB, free: 3.465 MB / 1.217 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 0.02617/1.487, allocations: 10.18 MB / 1.502 GB, free: 9.219 MB / 1.232 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.971e-05/1.487, allocations: 28 kB / 1.502 GB, free: 9.191 MB / 1.232 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.323e-05/1.487, allocations: 12 kB / 1.502 GB, free: 9.18 MB / 1.232 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.576e-05/1.487, allocations: 19.89 kB / 1.502 GB, free: 9.16 MB / 1.232 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 0.03443/1.522, allocations: 16.31 MB / 1.518 GB, free: 8.598 MB / 1.248 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.626e-05/1.522, allocations: 8.375 kB / 1.518 GB, free: 8.59 MB / 1.248 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00322/1.525, allocations: 0.738 MB / 1.519 GB, free: 7.852 MB / 1.248 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01747/1.543, allocations: 5.173 MB / 1.524 GB, free: 2.664 MB / 1.248 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000594/1.543, allocations: 75.95 kB / 1.524 GB, free: 2.59 MB / 1.248 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0392/1.582, allocations: 27.21 MB / 1.551 GB, free: 6.875 MB / 1.279 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.646e-05/1.582, allocations: 12.03 kB / 1.551 GB, free: 6.863 MB / 1.279 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 0.727/2.309, allocations: 10.13 MB / 1.56 GB, free: 324.5 MB / 1.279 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001927/2.311, allocations: 0.7219 MB / 1.561 GB, free: 324.4 MB / 1.279 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003994/2.312, allocations: 55.56 kB / 1.561 GB, free: 324.4 MB / 1.279 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003263/2.315, allocations: 0.5081 MB / 1.562 GB, free: 324.4 MB / 1.279 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008188/2.316, allocations: 230.1 kB / 1.562 GB, free: 324.4 MB / 1.279 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002329/2.316, allocations: 90.44 kB / 1.562 GB, free: 324.4 MB / 1.279 GB
Notification: Performance of sorting global known variables: time 0.001577/2.318, allocations: 0.9999 MB / 1.563 GB, free: 324.3 MB / 1.279 GB
Notification: Performance of sort global known variables: time 2.51e-07/2.318, allocations: 0 / 1.563 GB, free: 324.3 MB / 1.279 GB
Notification: Performance of remove unused functions: time 0.006187/2.324, allocations: 1.854 MB / 1.565 GB, free: 324.3 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 : 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 0.02289/2.347, allocations: 10.8 MB / 1.575 GB, free: 322.6 MB / 1.279 GB
Notification: Performance of simCode: created initialization part: time 0.0233/2.37, allocations: 12.45 MB / 1.587 GB, free: 318.7 MB / 1.279 GB
Notification: Performance of simCode: created event and clocks part: time 1.024e-05/2.37, allocations: 5.359 kB / 1.587 GB, free: 318.7 MB / 1.279 GB
Notification: Performance of simCode: created simulation system equations: time 0.008238/2.378, allocations: 4.381 MB / 1.592 GB, free: 317.2 MB / 1.279 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001904/2.38, allocations: 293 kB / 1.592 GB, free: 317 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.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 0.07833/2.459, allocations: 42.36 MB / 1.633 GB, free: 277.3 MB / 1.279 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002415/2.461, allocations: 2.849 MB / 1.636 GB, free: 274.4 MB / 1.279 GB
Notification: Performance of simCode: alias equations: time 0.003735/2.465, allocations: 1.661 MB / 1.638 GB, free: 272.8 MB / 1.279 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001304/2.466, allocations: 1.226 MB / 1.639 GB, free: 271.5 MB / 1.279 GB
Notification: Performance of SimCode: time 6.72e-07/2.466, allocations: 0 / 1.639 GB, free: 271.5 MB / 1.279 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1291/2.595, allocations: 105.5 MB / 1.742 GB, free: 166.5 MB / 1.279 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.21/17.81, allocations: 12.88 kB / 1.742 GB, free: 166.5 MB / 1.279 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=50 --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