Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0008028/0.0008028, allocations: 80.44 kB / 19.17 MB, free: 0.7461 MB / 13.93 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.0008434/0.0008434, allocations: 165.9 kB / 22.45 MB, free: 2.109 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8883/0.8883, allocations: 177.2 MB / 202.8 MB, free: 5.738 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.669/1.669, allocations: 359 MB / 0.6037 GB, free: 11.11 MB / 0.573 GB
"
[Timeout remaining time 178]
Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_11_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_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.523e-06/1.523e-06, allocations: 0 / 0.9506 GB, free: 3.398 MB / 0.9011 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.404e-05/1.556e-05, allocations: 2.281 kB / 0.9506 GB, free: 3.395 MB / 0.9011 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.013/0.01302, allocations: 17.45 MB / 0.9676 GB, free: 1.875 MB / 0.9167 GB
Notification: Performance of NFInst.instExpressions: time 0.007292/0.02031, allocations: 6.648 MB / 0.9741 GB, free: 11.21 MB / 0.9323 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0008869/0.0212, allocations: 63.75 kB / 0.9742 GB, free: 11.14 MB / 0.9323 GB
Notification: Performance of NFTyping.typeComponents: time 0.002031/0.02323, allocations: 1.476 MB / 0.9756 GB, free: 9.664 MB / 0.9323 GB
Notification: Performance of NFTyping.typeBindings: time 0.002282/0.02551, allocations: 1.481 MB / 0.9771 GB, free: 8.176 MB / 0.9323 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001941/0.02745, allocations: 1.278 MB / 0.9783 GB, free: 6.898 MB / 0.9323 GB
Notification: Performance of NFFlatten.flatten: time 0.003433/0.03089, allocations: 5.529 MB / 0.9837 GB, free: 1.355 MB / 0.9323 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002651/0.03354, allocations: 3.355 MB / 0.987 GB, free: 13.9 MB / 0.948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002303/0.03584, allocations: 3.306 MB / 0.9902 GB, free: 10.59 MB / 0.948 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002328/0.03817, allocations: 2.876 MB / 0.993 GB, free: 7.707 MB / 0.948 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004057/0.03857, allocations: 0.5117 MB / 0.9935 GB, free: 7.195 MB / 0.948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001314/0.03989, allocations: 1.209 MB / 0.9947 GB, free: 5.984 MB / 0.948 GB
Notification: Performance of NFScalarize.scalarize: time 0.001285/0.04117, allocations: 2.405 MB / 0.9971 GB, free: 3.574 MB / 0.948 GB
Notification: Performance of NFVerifyModel.verify: time 0.001176/0.04235, allocations: 1.536 MB / 0.9986 GB, free: 2.035 MB / 0.948 GB
Notification: Performance of NFConvertDAE.convert: time 0.004651/0.047, allocations: 7.936 MB / 1.006 GB, free: 10.08 MB / 0.9636 GB
Notification: Performance of FrontEnd - DAE generated: time 5.009e-06/0.047, allocations: 0 / 1.006 GB, free: 10.08 MB / 0.9636 GB
Notification: Performance of FrontEnd: time 1.743e-06/0.04701, allocations: 0 / 1.006 GB, free: 10.08 MB / 0.9636 GB
Notification: Performance of Transformations before backend: time 5.511e-05/0.04706, allocations: 0 / 1.006 GB, free: 10.08 MB / 0.9636 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 0.00429/0.05135, allocations: 3.765 MB / 1.01 GB, free: 6.266 MB / 0.9636 GB
Notification: Performance of prepare preOptimizeDAE: time 4.041e-05/0.05139, allocations: 8.031 kB / 1.01 GB, free: 6.258 MB / 0.9636 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004658/0.05186, allocations: 0.5383 MB / 1.011 GB, free: 5.711 MB / 0.9636 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006439/0.0583, allocations: 2.429 MB / 1.013 GB, free: 3.277 MB / 0.9636 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002936/0.06123, allocations: 2.157 MB / 1.015 GB, free: 1.086 MB / 0.9636 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001265/0.06136, allocations: 263.4 kB / 1.015 GB, free: 0.8281 MB / 0.9636 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004278/0.06179, allocations: 340.3 kB / 1.016 GB, free: 0.4961 MB / 0.9636 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.008669/0.07046, allocations: 7.217 MB / 1.023 GB, free: 9.156 MB / 0.9792 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.735e-05/0.0705, allocations: 7.938 kB / 1.023 GB, free: 9.148 MB / 0.9792 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002987/0.0708, allocations: 144 kB / 1.023 GB, free: 9.008 MB / 0.9792 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002698/0.07107, allocations: 334 kB / 1.023 GB, free: 8.68 MB / 0.9792 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008781/0.07985, allocations: 7.02 MB / 1.03 GB, free: 1.648 MB / 0.9792 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 0.4301/0.51, allocations: 18.43 MB / 1.048 GB, free: 121.8 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004762/0.5148, allocations: 3.721 MB / 1.052 GB, free: 121.6 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003336/0.5181, allocations: 2.523 MB / 1.054 GB, free: 121.4 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001702/0.5183, allocations: 45.55 kB / 1.054 GB, free: 121.4 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.118e-05/0.5183, allocations: 67.88 kB / 1.054 GB, free: 121.3 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=208): time 4.859e-06/0.5183, allocations: 0 / 1.054 GB, free: 121.3 MB / 0.9948 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 0.0561/0.5744, allocations: 30.75 MB / 1.084 GB, free: 114.8 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.394e-05/0.5745, allocations: 236.1 kB / 1.084 GB, free: 114.6 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00164/0.5761, allocations: 1.49 MB / 1.086 GB, free: 114 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 0.000458/0.5766, allocations: 67.7 kB / 1.086 GB, free: 114 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007307/0.5773, allocations: 1.532 MB / 1.087 GB, free: 113 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008587/0.5782, allocations: 0.9544 MB / 1.088 GB, free: 112.2 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008713/0.579, allocations: 0.6302 MB / 1.089 GB, free: 111.9 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 2.894e-05/0.5791, allocations: 303.2 kB / 1.089 GB, free: 111.6 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003891/0.5829, allocations: 2.691 MB / 1.092 GB, free: 110.8 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004216/0.5872, allocations: 3.645 MB / 1.095 GB, free: 108.8 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008027/0.5952, allocations: 6.4 MB / 1.102 GB, free: 105.8 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.015e-05/0.5952, allocations: 11.03 kB / 1.102 GB, free: 105.8 MB / 0.9948 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 0.0177/0.6129, allocations: 10.8 MB / 1.112 GB, free: 102.8 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 3.967e-05/0.613, allocations: 15.59 kB / 1.112 GB, free: 102.8 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.162e-05/0.613, allocations: 31.28 kB / 1.112 GB, free: 102.8 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01084/0.6238, allocations: 5.542 MB / 1.118 GB, free: 100.7 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002766/0.6266, allocations: 0.9943 MB / 1.119 GB, free: 100.4 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02315/0.6498, allocations: 27.48 MB / 1.146 GB, free: 79.64 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002847/0.6526, allocations: 0.5732 MB / 1.146 GB, free: 79.07 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002659/0.6529, allocations: 151.9 kB / 1.146 GB, free: 78.92 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004473/0.6573, allocations: 3.993 MB / 1.15 GB, free: 74.92 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003298/0.6606, allocations: 3.607 MB / 1.154 GB, free: 70.91 MB / 0.9948 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04344/0.7041, allocations: 24.47 MB / 1.178 GB, free: 45.97 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.539e-05/0.7041, allocations: 12 kB / 1.178 GB, free: 45.96 MB / 0.9948 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 0.01423/0.7183, allocations: 10.17 MB / 1.187 GB, free: 35.73 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 2.952e-05/0.7184, allocations: 19.98 kB / 1.188 GB, free: 35.71 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.451e-05/0.7184, allocations: 28 kB / 1.188 GB, free: 35.69 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.007607/0.726, allocations: 4.333 MB / 1.192 GB, free: 31.34 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002715/0.7287, allocations: 1.049 MB / 1.193 GB, free: 30.3 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01814/0.7469, allocations: 26.25 MB / 1.218 GB, free: 3.492 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002818/0.7497, allocations: 0.5538 MB / 1.219 GB, free: 2.938 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003101/0.75, allocations: 151.9 kB / 1.219 GB, free: 2.789 MB / 0.9948 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 0.0007221/0.7507, allocations: 407.2 kB / 1.22 GB, free: 2.387 MB / 0.9948 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004181/0.7511, allocations: 206.7 kB / 1.22 GB, free: 2.184 MB / 0.9948 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 0.01449/0.7656, allocations: 9.922 MB / 1.229 GB, free: 8.227 MB / 1.01 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.909e-05/0.7657, allocations: 35.98 kB / 1.229 GB, free: 8.191 MB / 1.01 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.818e-05/0.7657, allocations: 12 kB / 1.229 GB, free: 8.18 MB / 1.01 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.837e-05/0.7657, allocations: 15.89 kB / 1.229 GB, free: 8.164 MB / 1.01 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 0.02319/0.7889, allocations: 15.35 MB / 1.244 GB, free: 8.699 MB / 1.026 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.163e-05/0.7889, allocations: 8 kB / 1.244 GB, free: 8.691 MB / 1.026 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001877/0.7908, allocations: 0.7338 MB / 1.245 GB, free: 7.957 MB / 1.026 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009731/0.8005, allocations: 5.18 MB / 1.25 GB, free: 2.77 MB / 1.026 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005111/0.8011, allocations: 71.95 kB / 1.25 GB, free: 2.699 MB / 1.026 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02607/0.8271, allocations: 26.57 MB / 1.276 GB, free: 7.73 MB / 1.057 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.893e-06/0.8271, allocations: 12.03 kB / 1.276 GB, free: 7.719 MB / 1.057 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 0.0151/0.8422, allocations: 9.855 MB / 1.286 GB, free: 13.66 MB / 1.073 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001495/0.8437, allocations: 0.6507 MB / 1.287 GB, free: 13 MB / 1.073 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003289/0.8441, allocations: 55.94 kB / 1.287 GB, free: 12.95 MB / 1.073 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002007/0.8461, allocations: 0.5109 MB / 1.287 GB, free: 12.44 MB / 1.073 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006438/0.8467, allocations: 234.4 kB / 1.287 GB, free: 12.21 MB / 1.073 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000157/0.8469, allocations: 95.95 kB / 1.287 GB, free: 12.12 MB / 1.073 GB
Notification: Performance of sorting global known variables: time 0.001121/0.848, allocations: 0.9761 MB / 1.288 GB, free: 11.14 MB / 1.073 GB
Notification: Performance of sort global known variables: time 1.8e-07/0.848, allocations: 4 kB / 1.288 GB, free: 11.13 MB / 1.073 GB
Notification: Performance of remove unused functions: time 0.005432/0.8534, allocations: 1.844 MB / 1.29 GB, free: 9.289 MB / 1.073 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 0.01541/0.8688, allocations: 10.51 MB / 1.3 GB, free: 14.55 MB / 1.089 GB
Notification: Performance of simCode: created initialization part: time 0.01873/0.8876, allocations: 12.03 MB / 1.312 GB, free: 2.422 MB / 1.089 GB
Notification: Performance of simCode: created event and clocks part: time 1.053e-05/0.8876, allocations: 0 / 1.312 GB, free: 2.422 MB / 1.089 GB
Notification: Performance of simCode: created simulation system equations: time 0.006682/0.8942, allocations: 4.268 MB / 1.316 GB, free: 14.12 MB / 1.104 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00165/0.8959, allocations: 255.7 kB / 1.317 GB, free: 13.88 MB / 1.104 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 0.06207/0.958, allocations: 41.41 MB / 1.357 GB, free: 3.25 MB / 1.135 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002591/0.9606, allocations: 2.271 MB / 1.359 GB, free: 0.9414 MB / 1.135 GB
Notification: Performance of simCode: alias equations: time 0.003101/0.9637, allocations: 1.653 MB / 1.361 GB, free: 15.29 MB / 1.151 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001359/0.965, allocations: 1.207 MB / 1.362 GB, free: 14.08 MB / 1.151 GB
Notification: Performance of SimCode: time 1.823e-06/0.965, allocations: 0 / 1.362 GB, free: 14.08 MB / 1.151 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1171/1.082, allocations: 103.4 MB / 1.463 GB, free: 7.184 MB / 1.245 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.666/10.75, allocations: 11.98 kB / 1.463 GB, free: 7.172 MB / 1.245 GB
"
[Timeout remaining time 289]
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 14.757334340363741]
Failed to read output from testmodel.py, exit status != 0:
10.869790418073535 10.87838121 10.829553916
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x78f07edc44d0>