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.DD.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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.436/1.436, allocations: 251.5 MB / 267.4 MB, free: 11.05 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009231/0.000923, allocations: 167.4 kB / 326.5 MB, free: 2.715 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.955/1.955, allocations: 205 MB / 0.5766 GB, free: 20.98 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007921/0.0007921, allocations: 84.23 kB / 0.6804 GB, free: 14.73 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.000315/0.000315, allocations: 9.906 kB / 0.7938 GB, free: 136.6 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.284/0.2844, allocations: 105.4 MB / 0.8968 GB, free: 68.18 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01536/0.2998, allocations: 15.93 MB / 0.9123 GB, free: 52.19 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.009662/0.3095, allocations: 6.549 MB / 0.9187 GB, free: 45.62 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002041/0.3116, allocations: 43.88 kB / 0.9188 GB, free: 45.57 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.002626/0.3143, allocations: 1.027 MB / 0.9198 GB, free: 44.54 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003263/0.3175, allocations: 1.25 MB / 0.921 GB, free: 43.29 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002938/0.3205, allocations: 1.147 MB / 0.9221 GB, free: 42.14 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.005848/0.3263, allocations: 7.645 MB / 0.9296 GB, free: 34.48 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007698/0.3341, allocations: 6.247 MB / 0.9357 GB, free: 28.17 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002983/0.3371, allocations: 1.537 MB / 0.9372 GB, free: 26.63 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003807/0.3409, allocations: 2.411 MB / 0.9395 GB, free: 24.21 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001166/0.3421, allocations: 212 kB / 0.9397 GB, free: 24 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002812/0.3449, allocations: 1.154 MB / 0.9409 GB, free: 22.85 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.001814/0.3467, allocations: 1.703 MB / 0.9425 GB, free: 21.14 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.002324/0.349, allocations: 1.59 MB / 0.9441 GB, free: 19.54 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.005982/0.355, allocations: 5.564 MB / 0.9495 GB, free: 13.96 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 9.538e-06/0.3551, allocations: 0 / 0.9495 GB, free: 13.96 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 3.707e-06/0.3551, allocations: 3.938 kB / 0.9495 GB, free: 13.96 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002308/0.3553, allocations: 0 / 0.9495 GB, free: 13.96 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.006402/0.3617, allocations: 2.845 MB / 0.9523 GB, free: 11.05 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.355e-05/0.3618, allocations: 8.031 kB / 0.9523 GB, free: 11.05 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01086/0.3727, allocations: 2.329 MB / 0.9546 GB, free: 8.711 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00404/0.3767, allocations: 1.975 MB / 0.9565 GB, free: 6.691 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001233/0.3769, allocations: 234.6 kB / 0.9567 GB, free: 6.461 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005043/0.3774, allocations: 311.9 kB / 0.957 GB, free: 6.156 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01086/0.3883, allocations: 6.423 MB / 0.9633 GB, free: 15.62 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.238e-05/0.3884, allocations: 3.938 kB / 0.9633 GB, free: 15.62 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003612/0.3887, allocations: 132 kB / 0.9634 GB, free: 15.49 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004415/0.3892, allocations: 321.4 kB / 0.9637 GB, free: 15.17 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01476/0.404, allocations: 6.586 MB / 0.9702 GB, free: 8.57 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03803/0.4421, allocations: 24.88 MB / 0.9945 GB, free: 13.62 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00979/0.4519, allocations: 5.424 MB / 0.9998 GB, free: 7.848 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006944/0.4589, allocations: 2.92 MB / 1.003 GB, free: 4.898 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004982/0.4595, allocations: 139 kB / 1.003 GB, free: 4.746 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.119e-05/0.4596, allocations: 64.48 kB / 1.003 GB, free: 4.672 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 4.869e-06/0.4596, allocations: 4 kB / 1.003 GB, free: 4.668 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=313): time 0.1555/0.6151, allocations: 39.6 MB / 1.041 GB, free: 13.02 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002228/0.6154, allocations: 243.9 kB / 1.042 GB, free: 12.73 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003212/0.6186, allocations: 1.279 MB / 1.043 GB, free: 11.43 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009423/0.6196, allocations: 69.7 kB / 1.043 GB, free: 11.36 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00128/0.6209, allocations: 1.246 MB / 1.044 GB, free: 10.09 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002041/0.6229, allocations: 1.051 MB / 1.045 GB, free: 9.027 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001122/0.6241, allocations: 268.5 kB / 1.046 GB, free: 8.758 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0001278/0.6242, allocations: 305.1 kB / 1.046 GB, free: 8.457 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.008911/0.6332, allocations: 2.746 MB / 1.049 GB, free: 5.707 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009824/0.643, allocations: 3.435 MB / 1.052 GB, free: 2.012 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.5534/1.197, allocations: 6.372 MB / 1.058 GB, free: 142.7 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.43e-05/1.197, allocations: 9.906 kB / 1.058 GB, free: 142.7 MB / 0.698 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.03449/1.231, allocations: 11.02 MB / 1.069 GB, free: 141.7 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004955/1.232, allocations: 0.6184 MB / 1.069 GB, free: 140.9 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.256e-05/1.232, allocations: 18.75 kB / 1.069 GB, free: 140.9 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02185/1.254, allocations: 6.307 MB / 1.076 GB, free: 140.1 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003948/1.258, allocations: 0.9281 MB / 1.077 GB, free: 140 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03911/1.297, allocations: 26.4 MB / 1.102 GB, free: 120 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004215/1.301, allocations: 0.5298 MB / 1.103 GB, free: 119.4 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004873/1.302, allocations: 140.9 kB / 1.103 GB, free: 119.3 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.295e-05/1.302, allocations: 4 kB / 1.103 GB, free: 119.3 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 0.006074/1.308, allocations: 3.096 MB / 1.106 GB, free: 116.2 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated