Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.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 8.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.702/1.702, allocations: 293 MB / 309 MB, free: 4.812 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001062/0.001062, allocations: 172.6 kB / 378.7 MB, free: 1.027 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.384/1.384, allocations: 205.4 MB / 0.6383 GB, free: 8.227 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007308/0.0007307, allocations: 98.69 kB / 0.7527 GB, free: 62.75 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003558/0.0003558, allocations: 12 kB / 0.8768 GB, free: 10.39 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2286/0.229, allocations: 116.4 MB / 0.9905 GB, free: 5.852 MB / 0.7136 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7248/0.9538, allocations: 200.2 MB / 1.186 GB, free: 13.24 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003325/0.9541, allocations: 119.9 kB / 1.186 GB, free: 13.12 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3138/1.268, allocations: 124.6 MB / 1.308 GB, free: 15.58 MB / 0.8855 GB
Notification: Performance of FrontEnd: time 3.747e-06/1.268, allocations: 0 / 1.308 GB, free: 15.58 MB / 0.8855 GB
Notification: Performance of Transformations before backend: time 0.000207/1.268, allocations: 64 kB / 1.308 GB, free: 15.52 MB / 0.8855 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 0.009655/1.278, allocations: 2.825 MB / 1.311 GB, free: 12.64 MB / 0.8855 GB
Notification: Performance of prepare preOptimizeDAE: time 4.745e-05/1.278, allocations: 12.03 kB / 1.311 GB, free: 12.62 MB / 0.8855 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01172/1.29, allocations: 2.088 MB / 1.313 GB, free: 10.53 MB / 0.8855 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005603/1.295, allocations: 2.045 MB / 1.315 GB, free: 8.438 MB / 0.8855 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002688/1.296, allocations: 235.3 kB / 1.315 GB, free: 8.207 MB / 0.8855 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001652/1.297, allocations: 308 kB / 1.315 GB, free: 7.906 MB / 0.8855 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01805/1.315, allocations: 5.892 MB / 1.321 GB, free: 1.902 MB / 0.8855 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001803/1.316, allocations: 7.844 kB / 1.321 GB, free: 1.895 MB / 0.8855 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001644/1.317, allocations: 135.9 kB / 1.321 GB, free: 1.762 MB / 0.8855 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000629/1.318, allocations: 289.3 kB / 1.321 GB, free: 1.477 MB / 0.8855 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01668/1.335, allocations: 6.023 MB / 1.327 GB, free: 11.44 MB / 0.9011 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03653/1.371, allocations: 24.85 MB / 1.351 GB, free: 0.5352 MB / 0.9167 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0102/1.381, allocations: 5.469 MB / 1.357 GB, free: 10.72 MB / 0.9323 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006798/1.388, allocations: 2.802 MB / 1.36 GB, free: 7.898 MB / 0.9323 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004983/1.389, allocations: 143 kB / 1.36 GB, free: 7.738 MB / 0.9323 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.574e-05/1.389, allocations: 68.5 kB / 1.36 GB, free: 7.664 MB / 0.9323 GB
Notification: Performance of pre-optimization done (n=230): time 5.831e-06/1.389, allocations: 0 / 1.36 GB, free: 7.664 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=311): time 0.6554/2.044, allocations: 36.56 MB / 1.395 GB, free: 199.9 MB / 0.9323 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001263/2.045, allocations: 244.3 kB / 1.396 GB, free: 199.7 MB / 0.9323 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002596/2.047, allocations: 1.294 MB / 1.397 GB, free: 199.5 MB / 0.9323 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007896/2.048, allocations: 77.3 kB / 1.397 GB, free: 199.5 MB / 0.9323 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008775/2.049, allocations: 1.251 MB / 1.398 GB, free: 199 MB / 0.9323 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001583/2.05, allocations: 1.045 MB / 1.399 GB, free: 198.4 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006149/2.051, allocations: 66.16 kB / 1.399 GB, free: 198.4 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.000293/2.051, allocations: 441.8 kB / 1.4 GB, free: 198.1 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00593/2.057, allocations: 2.73 MB / 1.402 GB, free: 198 MB / 0.9323 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0062/2.064, allocations: 3.433 MB / 1.406 GB, free: 197.3 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01198/2.076, allocations: 6.375 MB / 1.412 GB, free: 196.5 MB / 0.9323 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.018e-05/2.076, allocations: 9.406 kB / 1.412 GB, free: 196.5 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02398/2.1, allocations: 9.859 MB / 1.422 GB, free: 196.2 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004724/2.1, allocations: 0.6443 MB / 1.422 GB, free: 195.4 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.98e-05/2.1, allocations: 19.25 kB / 1.422 GB, free: 195.4 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02841/2.129, allocations: 7.77 MB / 1.43 GB, free: 195.2 MB / 0.9323 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003754/2.132, allocations: 0.8185 MB / 1.431 GB, free: 195.2 MB / 0.9323 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02682/2.159, allocations: 17.35 MB / 1.448 GB, free: 193.2 MB / 0.9323 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004262/2.164, allocations: 0.5282 MB / 1.448 GB, free: 193.1 MB / 0.9323 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009208/2.165, allocations: 185.5 kB / 1.448 GB, free: 193.1 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 1.379e-05/2.165, allocations: 2.969 kB / 1.448 GB, free: 193.1 MB / 0.9323 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 0.008575/2.173, allocations: 3.207 MB / 1.451 GB, free: 192.3 MB / 0.9323 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated