Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
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 7.0.1 (/var/lib/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")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.264/2.264, allocations: 252.6 MB / 265.2 MB, free: 5.672 MB / 202.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001542/0.001542, allocations: 190.3 kB / 324.5 MB, free: 14.37 MB / 266.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.011/2.011, allocations: 205.4 MB / 0.5754 GB, free: 10.45 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001124/0.001123, allocations: 85.34 kB / 0.6797 GB, free: 15.69 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 3.667e-05/3.676e-05, allocations: 0 / 0.7912 GB, free: 96.55 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2228/0.2228, allocations: 106.2 MB / 0.8949 GB, free: 6.219 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9545/1.177, allocations: 192.6 MB / 1.083 GB, free: 8.414 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004559/1.178, allocations: 108 kB / 1.083 GB, free: 8.352 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5472/1.725, allocations: 124.1 MB / 1.204 GB, free: 1.156 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 2.345e-06/1.725, allocations: 4 kB / 1.204 GB, free: 1.152 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0002026/1.725, allocations: 64 kB / 1.204 GB, free: 1.09 MB / 0.8073 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 0.01191/1.737, allocations: 2.697 MB / 1.207 GB, free: 14.34 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.585e-05/1.737, allocations: 8.031 kB / 1.207 GB, free: 14.33 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02272/1.76, allocations: 2.083 MB / 1.209 GB, free: 12.24 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007582/1.768, allocations: 2.009 MB / 1.211 GB, free: 10.18 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000339/1.768, allocations: 242.1 kB / 1.211 GB, free: 9.945 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001708/1.77, allocations: 300 kB / 1.211 GB, free: 9.652 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01824/1.788, allocations: 5.347 MB / 1.217 GB, free: 4.195 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001318/1.788, allocations: 11.84 kB / 1.217 GB, free: 4.184 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009062/1.789, allocations: 131.9 kB / 1.217 GB, free: 4.055 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000987/1.79, allocations: 281.4 kB / 1.217 GB, free: 3.777 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01727/1.808, allocations: 5.031 MB / 1.222 GB, free: 14.73 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05424/1.862, allocations: 24.84 MB / 1.246 GB, free: 3.824 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01164/1.874, allocations: 4.971 MB / 1.251 GB, free: 14.5 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006882/1.88, allocations: 2.313 MB / 1.253 GB, free: 12.18 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005123/1.881, allocations: 135 kB / 1.254 GB, free: 12.03 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.086e-05/1.881, allocations: 72.44 kB / 1.254 GB, free: 11.95 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 5.47e-06/1.881, allocations: 0 / 1.254 GB, free: 11.95 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.8357/2.717, allocations: 30.98 MB / 1.284 GB, free: 243 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001113/2.717, allocations: 244 kB / 1.284 GB, free: 242.7 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002845/2.72, allocations: 1.147 MB / 1.285 GB, free: 242.6 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008881/2.721, allocations: 77.02 kB / 1.285 GB, free: 242.6 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001181/2.722, allocations: 1.255 MB / 1.287 GB, free: 242 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001971/2.724, allocations: 1.047 MB / 1.288 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005094/2.725, allocations: 61.69 kB / 1.288 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003198/2.725, allocations: 448.2 kB / 1.288 GB, free: 241.1 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00663/2.732, allocations: 2.236 MB / 1.29 GB, free: 241.1 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007305/2.739, allocations: 2.923 MB / 1.293 GB, free: 240.4 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007321/2.746, allocations: 2.658 MB / 1.296 GB, free: 240.4 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.392e-05/2.746, allocations: 4.938 kB / 1.296 GB, free: 240.4 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03146/2.778, allocations: 8.419 MB / 1.304 GB, free: 240.1 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001676/2.78, allocations: 7.316 MB / 1.311 GB, free: 232.5 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.717e-05/2.78, allocations: 23.06 kB / 1.311 GB, free: 232.5 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04489/2.825, allocations: 6.762 MB / 1.318 GB, free: 232.4 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007269/2.832, allocations: 0.8222 MB / 1.318 GB, free: 232.4 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04042/2.872, allocations: 16.65 MB / 1.335 GB, free: 227.6 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007603/2.88, allocations: 0.5047 MB / 1.335 GB, free: 227.5 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001123/2.881, allocations: 178.2 kB / 1.335 GB, free: 227.5 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.637e-05/2.881, allocations: 3.719 kB / 1.335 GB, free: 227.5 MB / 0.8698 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 0.008172/2.889, allocations: 2.714 MB / 1.338 GB, free: 226.5 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated