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 11.0.0-master/package.mo", uses=false)
Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008184/0.0008186, allocations: 102.7 kB / 15.71 MB, free: 460 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001008/0.001008, allocations: 173.8 kB / 16.58 MB, free: 6.402 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.448/1.448, allocations: 223.3 MB / 240.6 MB, free: 5.414 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.767/2.767, allocations: 436.7 MB / 0.7113 GB, free: 7.742 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003619/0.0003619, allocations: 8 kB / 0.8717 GB, free: 4.707 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8319/0.8323, allocations: 153.7 MB / 1.022 GB, free: 1.082 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02082/0.8532, allocations: 16.58 MB / 1.038 GB, free: 464 kB / 0.7794 GB
Notification: Performance of NFInst.instExpressions: time 0.01149/0.8647, allocations: 6.496 MB / 1.044 GB, free: 9.941 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002036/0.8668, allocations: 43.88 kB / 1.044 GB, free: 9.898 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.001163/0.868, allocations: 373.3 kB / 1.045 GB, free: 9.531 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.003632/0.8716, allocations: 1.144 MB / 1.046 GB, free: 8.383 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002655/0.8743, allocations: 0.7797 MB / 1.047 GB, free: 7.602 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.008004/0.8823, allocations: 6.497 MB / 1.053 GB, free: 1.09 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01199/0.8943, allocations: 7.458 MB / 1.06 GB, free: 9.57 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003884/0.8982, allocations: 1.713 MB / 1.062 GB, free: 7.852 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005542/0.9038, allocations: 2.617 MB / 1.064 GB, free: 5.227 MB / 0.8106 GB
Notification: Performance of NFPackage.collectConstants: time 0.001159/0.905, allocations: 236 kB / 1.065 GB, free: 4.996 MB / 0.8106 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002542/0.9076, allocations: 0.6829 MB / 1.065 GB, free: 4.312 MB / 0.8106 GB
Notification: Performance of NFScalarize.scalarize: time 0.003753/0.9113, allocations: 1.89 MB / 1.067 GB, free: 2.418 MB / 0.8106 GB
Notification: Performance of NFVerifyModel.verify: time 0.001549/0.9129, allocations: 0.6952 MB / 1.068 GB, free: 1.715 MB / 0.8106 GB
Notification: Performance of NFConvertDAE.convert: time 0.007954/0.9209, allocations: 6.446 MB / 1.074 GB, free: 11.25 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 6.132e-06/0.9209, allocations: 0 / 1.074 GB, free: 11.25 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 3.516e-06/0.9209, allocations: 0 / 1.074 GB, free: 11.25 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 0.0002288/0.9212, allocations: 0 / 1.074 GB, free: 11.25 MB / 0.8262 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 0.008037/0.9292, allocations: 3.132 MB / 1.077 GB, free: 8.062 MB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 4.201e-05/0.9293, allocations: 15.92 kB / 1.077 GB, free: 8.047 MB / 0.8262 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01181/0.9411, allocations: 2.363 MB / 1.08 GB, free: 5.676 MB / 0.8262 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005272/0.9464, allocations: 2.127 MB / 1.082 GB, free: 3.5 MB / 0.8262 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002645/0.9467, allocations: 267.1 kB / 1.082 GB, free: 3.238 MB / 0.8262 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001362/0.9481, allocations: 347.9 kB / 1.082 GB, free: 2.898 MB / 0.8262 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01701/0.9651, allocations: 7.1 MB / 1.089 GB, free: 11.69 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.9e-05/0.9652, allocations: 11.84 kB / 1.089 GB, free: 11.68 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004731/0.9657, allocations: 144 kB / 1.089 GB, free: 11.54 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004875/0.9662, allocations: 338.1 kB / 1.09 GB, free: 11.21 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01692/0.9831, allocations: 6.977 MB / 1.096 GB, free: 4.223 MB / 0.8419 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04465/1.028, allocations: 26.66 MB / 1.122 GB, free: 7.387 MB / 0.8731 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008789/1.037, allocations: 4.973 MB / 1.127 GB, free: 2.105 MB / 0.8731 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005919/1.043, allocations: 2.596 MB / 1.13 GB, free: 15.49 MB / 0.8887 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003647/1.043, allocations: 131 kB / 1.13 GB, free: 15.34 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.422e-05/1.043, allocations: 68.45 kB / 1.13 GB, free: 15.27 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=208): time 5.881e-06/1.043, allocations: 3.984 kB / 1.13 GB, free: 15.27 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.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 0.1008/1.144, allocations: 30.96 MB / 1.16 GB, free: 220 kB / 0.9044 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001624/1.144, allocations: 239.6 kB / 1.16 GB, free: 15.93 MB / 0.92 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00244/1.147, allocations: 1.438 MB / 1.162 GB, free: 14.48 MB / 0.92 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005679/1.147, allocations: 69.7 kB / 1.162 GB, free: 14.41 MB / 0.92 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001185/1.148, allocations: 1.497 MB / 1.163 GB, free: 12.89 MB / 0.92 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001486/1.15, allocations: 0.9164 MB / 1.164 GB, free: 11.96 MB / 0.92 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005385/1.15, allocations: 64 kB / 1.164 GB, free: 11.9 MB / 0.92 GB
Notification: Performance of setup shared object (initialization): time 0.0003136/1.151, allocations: 444.7 kB / 1.165 GB, free: 11.46 MB / 0.92 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005846/1.157, allocations: 2.645 MB / 1.167 GB, free: 8.809 MB / 0.92 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006566/1.163, allocations: 3.536 MB / 1.171 GB, free: 4.898 MB / 0.92 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006435/1.17, allocations: 3.099 MB / 1.174 GB, free: 1.777 MB / 0.92 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.299e-05/1.17, allocations: 8 kB / 1.174 GB, free: 1.77 MB / 0.92 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 0.02723/1.197, allocations: 11 MB / 1.185 GB, free: 6.672 MB / 0.9356 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007864/1.198, allocations: 0.8665 MB / 1.185 GB, free: 5.43 MB / 0.9356 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.011e-05/1.198, allocations: 24 kB / 1.185 GB, free: 5.406 MB / 0.9356 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01961/1.217, allocations: 5.883 MB / 1.191 GB, free: 15.5 MB / 0.9512 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004035/1.221, allocations: 0.9828 MB / 1.192 GB, free: 14.52 MB / 0.9512 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04179/1.263, allocations: 25.88 MB / 1.217 GB, free: 4.207 MB / 0.9669 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004189/1.268, allocations: 0.5536 MB / 1.218 GB, free: 3.652 MB / 0.9669 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007474/1.268, allocations: 159.9 kB / 1.218 GB, free: 3.496 MB / 0.9669 GB
Notification: Performance of prepare postOptimizeDAE: time 1.409e-05/1.268, allocations: 5.875 kB / 1.218 GB, free: 3.492 MB / 0.9669 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 0.007355/1.276, allocations: 3.084 MB / 1.221 GB, free: 392 kB / 0.9669 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated