Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_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_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.534/2.534, allocations: 284.8 MB / 297.3 MB, free: 6.266 MB / 234.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001457/0.001457, allocations: 184.1 kB / 365.7 MB, free: 2.562 MB / 298.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.954/1.954, allocations: 205.1 MB / 0.6241 GB, free: 8.164 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001085/0.001085, allocations: 102.7 kB / 0.7372 GB, free: 40.75 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 2.969e-05/2.974e-05, allocations: 4 kB / 0.8575 GB, free: 13.64 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8047/0.8047, allocations: 115.2 MB / 0.97 GB, free: 78.29 MB / 0.6667 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3212/1.126, allocations: 198.9 MB / 1.164 GB, free: 1.406 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004526/1.127, allocations: 109 kB / 1.164 GB, free: 1.301 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 1.183/2.309, allocations: 124.1 MB / 1.286 GB, free: 204.2 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 1.894e-06/2.309, allocations: 0 / 1.286 GB, free: 204.2 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.000216/2.31, allocations: 75.53 kB / 1.286 GB, free: 204.2 MB / 0.8542 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 0.01309/2.323, allocations: 2.691 MB / 1.288 GB, free: 203 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 5.29e-05/2.323, allocations: 9.031 kB / 1.288 GB, free: 203 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02249/2.345, allocations: 2.099 MB / 1.29 GB, free: 202.8 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007924/2.353, allocations: 2 MB / 1.292 GB, free: 202.4 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003749/2.354, allocations: 232 kB / 1.292 GB, free: 202.4 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002145/2.356, allocations: 308.2 kB / 1.293 GB, free: 202.4 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02028/2.376, allocations: 5.344 MB / 1.298 GB, free: 202.1 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001429/2.376, allocations: 2.344 kB / 1.298 GB, free: 202.1 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001151/2.378, allocations: 129.2 kB / 1.298 GB, free: 202.1 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009334/2.379, allocations: 293.5 kB / 1.298 GB, free: 202 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0167/2.395, allocations: 5.022 MB / 1.303 GB, free: 202 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05877/2.454, allocations: 24.84 MB / 1.328 GB, free: 184.5 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009381/2.464, allocations: 4.965 MB / 1.332 GB, free: 181.4 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005463/2.469, allocations: 2.304 MB / 1.335 GB, free: 180.6 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003982/2.47, allocations: 134.9 kB / 1.335 GB, free: 180.5 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.605e-05/2.47, allocations: 73.69 kB / 1.335 GB, free: 180.4 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 5.781e-06/2.47, allocations: 0 / 1.335 GB, free: 180.4 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=311): time 0.2024/2.672, allocations: 31.01 MB / 1.365 GB, free: 174.4 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.097e-05/2.672, allocations: 247.3 kB / 1.365 GB, free: 174.1 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002263/2.674, allocations: 1.151 MB / 1.366 GB, free: 173.7 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.000725/2.675, allocations: 79.36 kB / 1.367 GB, free: 173.6 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007484/2.676, allocations: 1.253 MB / 1.368 GB, free: 172.6 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001242/2.677, allocations: 1.042 MB / 1.369 GB, free: 171.8 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000419/2.678, allocations: 66.84 kB / 1.369 GB, free: 171.8 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0002035/2.678, allocations: 439 kB / 1.369 GB, free: 171.4 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005039/2.683, allocations: 2.239 MB / 1.371 GB, free: 170 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0054/2.688, allocations: 2.919 MB / 1.374 GB, free: 167.2 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005832/2.694, allocations: 2.655 MB / 1.377 GB, free: 164.9 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.255e-05/2.694, allocations: 8 kB / 1.377 GB, free: 164.9 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02749/2.722, allocations: 8.415 MB / 1.385 GB, free: 158.1 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001579/2.723, allocations: 7.32 MB / 1.392 GB, free: 150.2 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.583e-05/2.723, allocations: 24 kB / 1.392 GB, free: 150.2 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.06033/2.784, allocations: 6.758 MB / 1.399 GB, free: 143.4 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009618/2.793, allocations: 0.8189 MB / 1.4 GB, free: 142.6 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04115/2.835, allocations: 16.66 MB / 1.416 GB, free: 125.8 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00712/2.842, allocations: 0.5069 MB / 1.416 GB, free: 125.3 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006668/2.843, allocations: 179.9 kB / 1.417 GB, free: 125.1 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.316e-05/2.843, allocations: 4 kB / 1.417 GB, free: 125.1 MB / 0.8542 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 0.006664/2.849, allocations: 2.71 MB / 1.419 GB, free: 122.4 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated