Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-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 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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_8_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_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.697/1.697, allocations: 289.7 MB / 302.2 MB, free: 2.125 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001071/0.001072, allocations: 183.3 kB / 371.6 MB, free: 3.484 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.452/1.452, allocations: 205.1 MB / 0.6309 GB, free: 11.75 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008205/0.0008205, allocations: 92.39 kB / 0.745 GB, free: 54.44 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 3.048e-05/3.051e-05, allocations: 4 kB / 0.8663 GB, free: 15 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2561/0.2562, allocations: 116.3 MB / 0.9798 GB, free: 10.54 MB / 0.7136 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7365/0.9927, allocations: 200.1 MB / 1.175 GB, free: 14.85 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002941/0.993, allocations: 110.7 kB / 1.175 GB, free: 14.79 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3311/1.324, allocations: 133.2 MB / 1.305 GB, free: 4.535 MB / 0.8698 GB
Notification: Performance of FrontEnd: time 1.522e-06/1.324, allocations: 0 / 1.305 GB, free: 4.535 MB / 0.8698 GB
Notification: Performance of Transformations before backend: time 0.0001205/1.324, allocations: 64 kB / 1.306 GB, free: 4.473 MB / 0.8698 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 0.005918/1.33, allocations: 2.705 MB / 1.308 GB, free: 1.711 MB / 0.8698 GB
Notification: Performance of prepare preOptimizeDAE: time 4.101e-05/1.33, allocations: 8.031 kB / 1.308 GB, free: 1.703 MB / 0.8698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01248/1.343, allocations: 2.09 MB / 1.31 GB, free: 15.61 MB / 0.8855 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00485/1.348, allocations: 2.017 MB / 1.312 GB, free: 13.54 MB / 0.8855 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001928/1.348, allocations: 234.2 kB / 1.312 GB, free: 13.31 MB / 0.8855 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007581/1.349, allocations: 304 kB / 1.313 GB, free: 13.02 MB / 0.8855 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.009475/1.358, allocations: 5.343 MB / 1.318 GB, free: 7.562 MB / 0.8855 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.926e-05/1.358, allocations: 11.89 kB / 1.318 GB, free: 7.551 MB / 0.8855 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003824/1.359, allocations: 132 kB / 1.318 GB, free: 7.422 MB / 0.8855 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005474/1.359, allocations: 285.3 kB / 1.318 GB, free: 7.141 MB / 0.8855 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00844/1.368, allocations: 5.024 MB / 1.323 GB, free: 2.105 MB / 0.8855 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03273/1.4, allocations: 24.83 MB / 1.348 GB, free: 7.215 MB / 0.9167 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00603/1.407, allocations: 4.968 MB / 1.352 GB, free: 1.898 MB / 0.9167 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003373/1.41, allocations: 2.307 MB / 1.355 GB, free: 15.58 MB / 0.9323 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002652/1.41, allocations: 143 kB / 1.355 GB, free: 15.42 MB / 0.9323 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.35e-05/1.41, allocations: 68.5 kB / 1.355 GB, free: 15.34 MB / 0.9323 GB
Notification: Performance of pre-optimization done (n=230): time 4.298e-06/1.41, allocations: 0 / 1.355 GB, free: 15.34 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=311): time 0.1129/1.523, allocations: 31.01 MB / 1.385 GB, free: 340 kB / 0.948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001275/1.523, allocations: 255.7 kB / 1.385 GB, free: 32 kB / 0.948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.5221/2.045, allocations: 1.142 MB / 1.386 GB, free: 215.2 MB / 0.948 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007433/2.046, allocations: 75.38 kB / 1.387 GB, free: 215.1 MB / 0.948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006642/2.047, allocations: 1.258 MB / 1.388 GB, free: 214.9 MB / 0.948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009339/2.048, allocations: 1.043 MB / 1.389 GB, free: 214.4 MB / 0.948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002367/2.048, allocations: 64.72 kB / 1.389 GB, free: 214.4 MB / 0.948 GB
Notification: Performance of setup shared object (initialization): time 0.0001715/2.048, allocations: 438 kB / 1.389 GB, free: 214.1 MB / 0.948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003168/2.051, allocations: 2.235 MB / 1.391 GB, free: 214.1 MB / 0.948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003907/2.055, allocations: 2.93 MB / 1.394 GB, free: 213.4 MB / 0.948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00411/2.06, allocations: 2.646 MB / 1.397 GB, free: 213.3 MB / 0.948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.765e-05/2.06, allocations: 6.25 kB / 1.397 GB, free: 213.3 MB / 0.948 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01791/2.077, allocations: 8.417 MB / 1.405 GB, free: 213.1 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001283/2.079, allocations: 7.324 MB / 1.412 GB, free: 205.4 MB / 0.948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.281e-05/2.079, allocations: 18.5 kB / 1.412 GB, free: 205.4 MB / 0.948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02378/2.103, allocations: 6.756 MB / 1.419 GB, free: 205.4 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00379/2.106, allocations: 0.8245 MB / 1.42 GB, free: 205.4 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02118/2.128, allocations: 16.65 MB / 1.436 GB, free: 203.4 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00405/2.132, allocations: 0.5066 MB / 1.436 GB, free: 203.4 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004034/2.132, allocations: 188.7 kB / 1.437 GB, free: 203.4 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.043e-05/2.132, allocations: 3.312 kB / 1.437 GB, free: 203.4 MB / 0.948 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.00385/2.136, allocations: 2.71 MB / 1.439 GB, free: 203.3 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated