Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.122/2.122, allocations: 251.1 MB / 266.7 MB, free: 11.63 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001306/0.001305, allocations: 170.7 kB / 326.2 MB, free: 2.895 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.37/2.37, allocations: 205.4 MB / 0.5772 GB, free: 20.78 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001003/0.001003, allocations: 98.98 kB / 0.6817 GB, free: 13.62 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006438/0.0006441, allocations: 12.53 kB / 0.7958 GB, free: 135.6 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2156/0.2162, allocations: 106.2 MB / 0.8995 GB, free: 65.51 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9609/1.177, allocations: 192.7 MB / 1.088 GB, free: 54.22 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004127/1.178, allocations: 124.8 kB / 1.088 GB, free: 54.22 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4645/1.642, allocations: 124.5 MB / 1.209 GB, free: 13.75 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 3.306e-06/1.642, allocations: 0 / 1.209 GB, free: 13.75 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002069/1.642, allocations: 64 kB / 1.209 GB, free: 13.69 MB / 0.7136 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 0.01383/1.656, allocations: 2.863 MB / 1.212 GB, free: 10.78 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 5.168e-05/1.656, allocations: 8.031 kB / 1.212 GB, free: 10.77 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02324/1.68, allocations: 2.096 MB / 1.214 GB, free: 8.668 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007473/1.687, allocations: 2.008 MB / 1.216 GB, free: 6.629 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003695/1.688, allocations: 234.3 kB / 1.216 GB, free: 6.41 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002012/1.69, allocations: 302.2 kB / 1.217 GB, free: 6.125 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02663/1.716, allocations: 5.9 MB / 1.223 GB, free: 148 kB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000169/1.716, allocations: 3.938 kB / 1.223 GB, free: 144 kB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001629/1.718, allocations: 130.5 kB / 1.223 GB, free: 24 kB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001027/1.719, allocations: 289.3 kB / 1.223 GB, free: 15.74 MB / 0.7292 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02896/1.748, allocations: 6.032 MB / 1.229 GB, free: 9.691 MB / 0.7292 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05813/1.806, allocations: 24.85 MB / 1.253 GB, free: 14.9 MB / 0.7605 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01676/1.823, allocations: 5.463 MB / 1.258 GB, free: 9.086 MB / 0.7605 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01185/1.835, allocations: 2.808 MB / 1.261 GB, free: 6.266 MB / 0.7605 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005053/1.836, allocations: 135 kB / 1.261 GB, free: 6.125 MB / 0.7605 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.936e-05/1.836, allocations: 64.5 kB / 1.261 GB, free: 6.055 MB / 0.7605 GB
Notification: Performance of pre-optimization done (n=230): time 1.16e-05/1.836, allocations: 4 kB / 1.261 GB, free: 6.051 MB / 0.7605 GB
Notification: Performance of matching and sorting (n=305): time 0.2636/2.099, allocations: 36.13 MB / 1.297 GB, free: 1.867 MB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001849/2.1, allocations: 251.8 kB / 1.297 GB, free: 1.57 MB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003025/2.103, allocations: 1.299 MB / 1.298 GB, free: 264 kB / 0.7917 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009682/2.104, allocations: 69.7 kB / 1.298 GB, free: 188 kB / 0.7917 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001493/2.105, allocations: 1.257 MB / 1.299 GB, free: 14.97 MB / 0.8074 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001723/2.107, allocations: 1.025 MB / 1.3 GB, free: 13.95 MB / 0.8074 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004843/2.107, allocations: 64 kB / 1.3 GB, free: 13.89 MB / 0.8074 GB
Notification: Performance of setup shared object (initialization): time 0.0003211/2.108, allocations: 448.5 kB / 1.301 GB, free: 13.45 MB / 0.8074 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01134/2.119, allocations: 2.766 MB / 1.304 GB, free: 10.68 MB / 0.8074 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01273/2.132, allocations: 3.464 MB / 1.307 GB, free: 6.938 MB / 0.8074 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01257/2.144, allocations: 3.172 MB / 1.31 GB, free: 3.746 MB / 0.8074 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.834e-05/2.144, allocations: 4 kB / 1.31 GB, free: 3.742 MB / 0.8074 GB
Notification: Performance of matching and sorting (n=406) (initialization): time 0.04647/2.191, allocations: 9.969 MB / 1.32 GB, free: 9.719 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007026/2.192, allocations: 0.6358 MB / 1.32 GB, free: 8.816 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.778e-05/2.192, allocations: 20 kB / 1.32 GB, free: 8.797 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.06748/2.259, allocations: 7.878 MB / 1.328 GB, free: 0.9062 MB / 0.823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007973/2.267, allocations: 0.8423 MB / 1.329 GB, free: 64 kB / 0.823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05247/2.32, allocations: 17.14 MB / 1.346 GB, free: 14.75 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007728/2.328, allocations: 0.5302 MB / 1.346 GB, free: 14.22 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001076/2.329, allocations: 183.8 kB / 1.346 GB, free: 14.04 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.505e-05/2.329, allocations: 5.406 kB / 1.346 GB, free: 14.04 MB / 0.8542 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 0.01396/2.343, allocations: 3.177 MB / 1.35 GB, free: 10.84 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated