Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_maint_8_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_8_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 8.0.1-maint.8.0.x/package.mo): time 1.462/1.462, allocations: 288.4 MB / 303.6 MB, free: 8.109 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0008265/0.0008265, allocations: 186.3 kB / 372.3 MB, free: 10.12 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.19/1.19, allocations: 205.4 MB / 0.631 GB, free: 9.918 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007343/0.0007342, allocations: 96.7 kB / 0.7444 GB, free: 5.82 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003625/0.0003625, allocations: 16.06 kB / 0.8676 GB, free: 141.7 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1722/0.1725, allocations: 115.3 MB / 0.9802 GB, free: 27.22 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01367/0.1862, allocations: 16.56 MB / 0.9964 GB, free: 10.6 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.008197/0.1945, allocations: 6.489 MB / 1.003 GB, free: 4.098 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001289/0.1958, allocations: 43.88 kB / 1.003 GB, free: 4.055 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.001045/0.1969, allocations: 369.3 kB / 1.003 GB, free: 3.691 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.0026/0.1995, allocations: 1.23 MB / 1.004 GB, free: 2.457 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002027/0.2015, allocations: 0.8204 MB / 1.005 GB, free: 1.637 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.006133/0.2077, allocations: 6.493 MB / 1.011 GB, free: 11.13 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01194/0.2196, allocations: 8.275 MB / 1.02 GB, free: 2.766 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002985/0.2226, allocations: 1.693 MB / 1.021 GB, free: 1.066 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004148/0.2268, allocations: 2.606 MB / 1.024 GB, free: 14.45 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009063/0.2277, allocations: 236 kB / 1.024 GB, free: 14.22 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002715/0.2304, allocations: 1.139 MB / 1.025 GB, free: 13.08 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.002804/0.2333, allocations: 1.883 MB / 1.027 GB, free: 11.2 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.003343/0.2366, allocations: 1.721 MB / 1.029 GB, free: 9.461 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.006815/0.2435, allocations: 6.475 MB / 1.035 GB, free: 2.969 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 5.471e-06/0.2435, allocations: 0 / 1.035 GB, free: 2.969 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.555e-06/0.2435, allocations: 0 / 1.035 GB, free: 2.969 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001734/0.2437, allocations: 0 / 1.035 GB, free: 2.969 MB / 0.6511 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 0.006425/0.2501, allocations: 3.098 MB / 1.038 GB, free: 15.81 MB / 0.6667 GB
Notification: Performance of prepare preOptimizeDAE: time 4.378e-05/0.2502, allocations: 8.031 kB / 1.038 GB, free: 15.8 MB / 0.6667 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008741/0.251, allocations: 0.5464 MB / 1.038 GB, free: 15.25 MB / 0.6667 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01196/0.263, allocations: 2.36 MB / 1.041 GB, free: 12.88 MB / 0.6667 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004555/0.2676, allocations: 2.151 MB / 1.043 GB, free: 10.68 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002022/0.2678, allocations: 279.2 kB / 1.043 GB, free: 10.41 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007441/0.2686, allocations: 351.9 kB / 1.043 GB, free: 10.07 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01488/0.2835, allocations: 7.088 MB / 1.05 GB, free: 2.875 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.508e-05/0.2836, allocations: 15.92 kB / 1.05 GB, free: 2.859 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004255/0.284, allocations: 156 kB / 1.051 GB, free: 2.707 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004583/0.2845, allocations: 326.1 kB / 1.051 GB, free: 2.387 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01553/0.3, allocations: 6.981 MB / 1.058 GB, free: 11.39 MB / 0.6823 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 0.418/0.718, allocations: 26.7 MB / 1.084 GB, free: 68.5 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008684/0.7267, allocations: 4.98 MB / 1.089 GB, free: 65.75 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006125/0.7329, allocations: 2.601 MB / 1.091 GB, free: 64.99 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002704/0.7332, allocations: 127.5 kB / 1.091 GB, free: 64.89 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.491e-05/0.7332, allocations: 63.97 kB / 1.091 GB, free: 64.83 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 4.088e-06/0.7332, allocations: 7.938 kB / 1.091 GB, free: 64.82 MB / 0.6823 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 0.102/0.8352, allocations: 31 MB / 1.122 GB, free: 52.05 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.058e-05/0.8353, allocations: 234.4 kB / 1.122 GB, free: 51.8 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001608/0.8369, allocations: 1.436 MB / 1.123 GB, free: 51.02 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004138/0.8373, allocations: 69.08 kB / 1.123 GB, free: 50.96 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005536/0.8379, allocations: 1.5 MB / 1.125 GB, free: 49.64 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006409/0.8386, allocations: 0.9174 MB / 1.126 GB, free: 48.85 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002137/0.8388, allocations: 63.5 kB / 1.126 GB, free: 48.8 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.000129/0.8389, allocations: 440 kB / 1.126 GB, free: 48.41 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00527/0.8442, allocations: 2.641 MB / 1.129 GB, free: 47.04 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005547/0.8498, allocations: 3.541 MB / 1.132 GB, free: 44.52 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01117/0.861, allocations: 6.37 MB / 1.138 GB, free: 38.11 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.814e-05/0.861, allocations: 11.75 kB / 1.138 GB, free: 38.11 MB / 0.6823 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 0.02545/0.8865, allocations: 11 MB / 1.149 GB, free: 27 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004199/0.8869, allocations: 0.866 MB / 1.15 GB, free: 25.76 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.809e-05/0.887, allocations: 28 kB / 1.15 GB, free: 25.73 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02059/0.9076, allocations: 5.874 MB / 1.156 GB, free: 19.84 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004179/0.9118, allocations: 0.9867 MB / 1.157 GB, free: 18.85 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03674/0.9486, allocations: 25.9 MB / 1.182 GB, free: 8.531 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004526/0.9531, allocations: 0.5536 MB / 1.183 GB, free: 7.977 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004094/0.9536, allocations: 155.9 kB / 1.183 GB, free: 7.824 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 7.604e-06/0.9536, allocations: 0 / 1.183 GB, free: 7.824 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 0.007088/0.9607, allocations: 3.083 MB / 1.186 GB, free: 4.715 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated