Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_maint_7_0_x_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_maint_7_0_x_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/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.423/1.423, allocations: 252 MB / 267.3 MB, free: 10.84 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001345/0.001345, allocations: 164.7 kB / 327 MB, free: 2.102 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.878/1.878, allocations: 205.4 MB / 0.578 GB, free: 20.12 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008433/0.0008433, allocations: 86.34 kB / 0.6826 GB, free: 12.77 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003788/0.0003789, allocations: 12.16 kB / 0.7971 GB, free: 135.1 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2511/0.2515, allocations: 106.3 MB / 0.901 GB, free: 63.36 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01643/0.268, allocations: 17.53 MB / 0.9181 GB, free: 45.77 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.0117/0.2797, allocations: 6.818 MB / 0.9247 GB, free: 38.93 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002401/0.2822, allocations: 43.88 kB / 0.9248 GB, free: 38.89 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001492/0.2837, allocations: 373.3 kB / 0.9251 GB, free: 38.52 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.004275/0.288, allocations: 1.339 MB / 0.9264 GB, free: 37.18 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003356/0.2914, allocations: 0.9964 MB / 0.9274 GB, free: 36.18 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.008108/0.2995, allocations: 8.507 MB / 0.9357 GB, free: 27.66 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01154/0.3111, allocations: 8.344 MB / 0.9439 GB, free: 19.22 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004041/0.3151, allocations: 1.712 MB / 0.9455 GB, free: 17.5 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004611/0.3198, allocations: 2.652 MB / 0.9481 GB, free: 14.84 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001554/0.3214, allocations: 240 kB / 0.9483 GB, free: 14.61 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003869/0.3253, allocations: 1.174 MB / 0.9495 GB, free: 13.43 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003382/0.3287, allocations: 1.883 MB / 0.9513 GB, free: 11.54 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.004405/0.3331, allocations: 1.794 MB / 0.9531 GB, free: 9.734 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.009288/0.3424, allocations: 7.434 MB / 0.9603 GB, free: 2.277 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 9.057e-06/0.3424, allocations: 0 / 0.9603 GB, free: 2.277 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 3.246e-06/0.3424, allocations: 0 / 0.9603 GB, free: 2.277 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0003323/0.3428, allocations: 0 / 0.9603 GB, free: 2.277 MB / 0.6042 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 0.01016/0.353, allocations: 3.096 MB / 0.9634 GB, free: 15.12 MB / 0.6198 GB
Notification: Performance of prepare preOptimizeDAE: time 6.155e-05/0.353, allocations: 12.03 kB / 0.9634 GB, free: 15.11 MB / 0.6198 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00251/0.3556, allocations: 0.5425 MB / 0.9639 GB, free: 14.56 MB / 0.6198 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01394/0.3695, allocations: 2.36 MB / 0.9662 GB, free: 12.2 MB / 0.6198 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006236/0.3758, allocations: 2.159 MB / 0.9683 GB, free: 9.992 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003898/0.3762, allocations: 275.2 kB / 0.9686 GB, free: 9.723 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002126/0.3784, allocations: 352 kB / 0.9689 GB, free: 9.379 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01987/0.3982, allocations: 7.127 MB / 0.9759 GB, free: 2.148 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001679/0.3984, allocations: 7.844 kB / 0.9759 GB, free: 2.141 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001241/0.3997, allocations: 151.9 kB / 0.976 GB, free: 1.992 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005712/0.4003, allocations: 338.1 kB / 0.9764 GB, free: 1.66 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01817/0.4185, allocations: 7.001 MB / 0.9832 GB, free: 10.64 MB / 0.6355 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 0.04171/0.4602, allocations: 26.71 MB / 1.009 GB, free: 13.74 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008981/0.4692, allocations: 4.986 MB / 1.014 GB, free: 8.453 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006125/0.4754, allocations: 2.589 MB / 1.017 GB, free: 5.844 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003149/0.4757, allocations: 135 kB / 1.017 GB, free: 5.695 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.414e-05/0.4758, allocations: 64.44 kB / 1.017 GB, free: 5.621 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 3.497e-06/0.4758, allocations: 0 / 1.017 GB, free: 5.621 MB / 0.6667 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 0.1154/0.5912, allocations: 31.04 MB / 1.047 GB, free: 6.496 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001707/0.5915, allocations: 243.6 kB / 1.047 GB, free: 6.211 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002868/0.5943, allocations: 1.446 MB / 1.049 GB, free: 4.758 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006478/0.595, allocations: 69.7 kB / 1.049 GB, free: 4.684 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001267/0.5963, allocations: 1.497 MB / 1.05 GB, free: 3.164 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00149/0.5978, allocations: 0.9165 MB / 1.051 GB, free: 2.234 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005644/0.5984, allocations: 68 kB / 1.051 GB, free: 2.168 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0003101/0.5987, allocations: 444.6 kB / 1.052 GB, free: 1.727 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.5429/1.142, allocations: 2.656 MB / 1.054 GB, free: 137.4 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006923/1.149, allocations: 3.549 MB / 1.058 GB, free: 136.4 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01467/1.163, allocations: 6.382 MB / 1.064 GB, free: 135.3 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.494e-05/1.163, allocations: 7.75 kB / 1.064 GB, free: 135.3 MB / 0.698 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 0.03463/1.198, allocations: 11.04 MB / 1.075 GB, free: 134.2 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001378/1.199, allocations: 0.8672 MB / 1.076 GB, free: 133 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001486/1.2, allocations: 30.03 kB / 1.076 GB, free: 133 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02397/1.224, allocations: 5.885 MB / 1.081 GB, free: 132.1 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005373/1.229, allocations: 0.9874 MB / 1.082 GB, free: 131.8 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03968/1.269, allocations: 25.92 MB / 1.108 GB, free: 110.9 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004805/1.274, allocations: 0.5518 MB / 1.108 GB, free: 110.3 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008712/1.275, allocations: 155.9 kB / 1.108 GB, free: 110.2 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.505e-05/1.275, allocations: 7.938 kB / 1.108 GB, free: 110.2 MB / 0.698 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 0.007853/1.283, allocations: 3.091 MB / 1.111 GB, free: 107 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated