Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo", uses=false)
Using package Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007987/0.0007988, allocations: 87.11 kB / 15.06 MB, free: 1.09 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008968/0.000897, allocations: 168.7 kB / 15.95 MB, free: 204 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.461/1.461, allocations: 223.3 MB / 240 MB, free: 5.406 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.617/2.617, allocations: 409.4 MB / 0.684 GB, free: 0.8594 MB / 0.5294 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003733/0.0003737, allocations: 15.94 kB / 0.8378 GB, free: 6.449 MB / 0.6856 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8291/0.8295, allocations: 146.8 MB / 0.9812 GB, free: 6.227 MB / 0.7325 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01793/0.8474, allocations: 16.58 MB / 0.9974 GB, free: 5.598 MB / 0.7481 GB
Notification: Performance of NFInst.instExpressions: time 0.01126/0.8587, allocations: 6.445 MB / 1.004 GB, free: 15.14 MB / 0.7637 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002143/0.861, allocations: 51.75 kB / 1.004 GB, free: 15.09 MB / 0.7637 GB
Notification: Performance of NFTyping.typeComponents: time 0.001662/0.8626, allocations: 377.3 kB / 1.004 GB, free: 14.71 MB / 0.7637 GB
Notification: Performance of NFTyping.typeBindings: time 0.003825/0.8665, allocations: 1.136 MB / 1.005 GB, free: 13.57 MB / 0.7637 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002875/0.8694, allocations: 0.7745 MB / 1.006 GB, free: 12.8 MB / 0.7637 GB
Notification: Performance of NFFlatten.flatten: time 0.007832/0.8773, allocations: 6.489 MB / 1.012 GB, free: 6.297 MB / 0.7637 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01329/0.8906, allocations: 7.477 MB / 1.02 GB, free: 14.75 MB / 0.7794 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003929/0.8945, allocations: 1.709 MB / 1.021 GB, free: 13.04 MB / 0.7794 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00547/0.9, allocations: 2.606 MB / 1.024 GB, free: 10.43 MB / 0.7794 GB
Notification: Performance of NFPackage.collectConstants: time 0.001663/0.9017, allocations: 244 kB / 1.024 GB, free: 10.19 MB / 0.7794 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003298/0.905, allocations: 0.6712 MB / 1.025 GB, free: 9.516 MB / 0.7794 GB
Notification: Performance of NFScalarize.scalarize: time 0.003964/0.909, allocations: 1.89 MB / 1.027 GB, free: 7.621 MB / 0.7794 GB
Notification: Performance of NFVerifyModel.verify: time 0.001897/0.911, allocations: 0.6953 MB / 1.027 GB, free: 6.918 MB / 0.7794 GB
Notification: Performance of NFConvertDAE.convert: time 0.008042/0.919, allocations: 6.45 MB / 1.033 GB, free: 464 kB / 0.7794 GB
Notification: Performance of FrontEnd - DAE generated: time 6.071e-06/0.919, allocations: 0 / 1.033 GB, free: 464 kB / 0.7794 GB
Notification: Performance of FrontEnd: time 2.114e-06/0.9191, allocations: 0 / 1.033 GB, free: 464 kB / 0.7794 GB
Notification: Performance of Transformations before backend: time 0.0002657/0.9193, allocations: 0 / 1.033 GB, free: 464 kB / 0.7794 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 0.007992/0.9273, allocations: 3.132 MB / 1.037 GB, free: 13.26 MB / 0.795 GB
Notification: Performance of prepare preOptimizeDAE: time 4.865e-05/0.9274, allocations: 8.031 kB / 1.037 GB, free: 13.25 MB / 0.795 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00161/0.929, allocations: 0.5463 MB / 1.037 GB, free: 12.7 MB / 0.795 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01195/0.941, allocations: 2.355 MB / 1.039 GB, free: 10.34 MB / 0.795 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005367/0.9464, allocations: 2.135 MB / 1.041 GB, free: 8.152 MB / 0.795 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003801/0.9468, allocations: 267.1 kB / 1.042 GB, free: 7.891 MB / 0.795 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001796/0.9486, allocations: 351.9 kB / 1.042 GB, free: 7.547 MB / 0.795 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01984/0.9685, allocations: 7.1 MB / 1.049 GB, free: 352 kB / 0.795 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.867e-05/0.9686, allocations: 15.88 kB / 1.049 GB, free: 336 kB / 0.795 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005577/0.9692, allocations: 144 kB / 1.049 GB, free: 192 kB / 0.795 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005088/0.9697, allocations: 330.1 kB / 1.049 GB, free: 15.86 MB / 0.8106 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01628/0.986, allocations: 6.981 MB / 1.056 GB, free: 8.871 MB / 0.8106 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 0.03885/1.025, allocations: 26.71 MB / 1.082 GB, free: 11.98 MB / 0.8419 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00839/1.033, allocations: 4.976 MB / 1.087 GB, free: 6.703 MB / 0.8419 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005722/1.039, allocations: 2.6 MB / 1.09 GB, free: 4.074 MB / 0.8419 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003483/1.039, allocations: 127 kB / 1.09 GB, free: 3.93 MB / 0.8419 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.184e-05/1.039, allocations: 72.42 kB / 1.09 GB, free: 3.852 MB / 0.8419 GB
Notification: Performance of pre-optimization done (n=208): time 4.689e-06/1.04, allocations: 0 / 1.09 GB, free: 3.852 MB / 0.8419 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 0.1/1.14, allocations: 30.96 MB / 1.12 GB, free: 4.809 MB / 0.8731 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001287/1.14, allocations: 239.6 kB / 1.12 GB, free: 4.523 MB / 0.8731 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00256/1.142, allocations: 1.442 MB / 1.122 GB, free: 3.074 MB / 0.8731 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005756/1.143, allocations: 65.7 kB / 1.122 GB, free: 3.004 MB / 0.8731 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001078/1.144, allocations: 1.497 MB / 1.123 GB, free: 1.488 MB / 0.8731 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001181/1.145, allocations: 0.9242 MB / 1.124 GB, free: 0.5508 MB / 0.8731 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004388/1.146, allocations: 68 kB / 1.124 GB, free: 496 kB / 0.8731 GB
Notification: Performance of setup shared object (initialization): time 0.0002634/1.146, allocations: 444.7 kB / 1.125 GB, free: 44 kB / 0.8731 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005634/1.152, allocations: 2.645 MB / 1.127 GB, free: 13.39 MB / 0.8887 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006473/1.158, allocations: 3.536 MB / 1.131 GB, free: 9.48 MB / 0.8887 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006351/1.164, allocations: 3.095 MB / 1.134 GB, free: 6.363 MB / 0.8887 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3e-05/1.164, allocations: 12 kB / 1.134 GB, free: 6.352 MB / 0.8887 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 0.02814/1.193, allocations: 10.99 MB / 1.145 GB, free: 11.25 MB / 0.9044 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001083/1.194, allocations: 0.8683 MB / 1.145 GB, free: 10.01 MB / 0.9044 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.086e-05/1.194, allocations: 24 kB / 1.145 GB, free: 9.984 MB / 0.9044 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02027/1.214, allocations: 5.888 MB / 1.151 GB, free: 4.082 MB / 0.9044 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004656/1.219, allocations: 0.9867 MB / 1.152 GB, free: 3.094 MB / 0.9044 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04368/1.263, allocations: 25.91 MB / 1.177 GB, free: 8.746 MB / 0.9356 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004331/1.267, allocations: 0.5535 MB / 1.178 GB, free: 8.191 MB / 0.9356 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007799/1.268, allocations: 156.1 kB / 1.178 GB, free: 8.039 MB / 0.9356 GB
Notification: Performance of prepare postOptimizeDAE: time 1.195e-05/1.268, allocations: 4 kB / 1.178 GB, free: 8.035 MB / 0.9356 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.00736/1.275, allocations: 3.087 MB / 1.181 GB, free: 4.922 MB / 0.9356 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated