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.YD.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.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.165/2.165, allocations: 252.6 MB / 265.2 MB, free: 5.715 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 0.001503/0.001502, allocations: 183.8 kB / 324.5 MB, free: 14.35 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 2.112/2.112, 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 0.001116/0.001115, allocations: 93.88 kB / 0.6797 GB, free: 15.68 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 3.537e-05/3.547e-05, allocations: 4 kB / 0.7912 GB, free: 96.55 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2006/0.2006, allocations: 106.2 MB / 0.8949 GB, free: 6.199 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.058/1.259, allocations: 193.7 MB / 1.084 GB, free: 7.344 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004358/1.259, allocations: 113.4 kB / 1.084 GB, free: 7.273 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.6526/1.912, allocations: 138.6 MB / 1.22 GB, free: 1.355 MB / 0.823 GB
Notification: Performance of FrontEnd: time 2.645e-06/1.912, allocations: 0 / 1.22 GB, free: 1.355 MB / 0.823 GB
Notification: Performance of Transformations before backend: time 0.0003594/1.912, allocations: 72 kB / 1.22 GB, free: 1.285 MB / 0.823 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01501/1.927, allocations: 2.953 MB / 1.222 GB, free: 14.28 MB / 0.8386 GB
Notification: Performance of prepare preOptimizeDAE: time 5.484e-05/1.927, allocations: 8.031 kB / 1.222 GB, free: 14.27 MB / 0.8386 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0242/1.952, allocations: 2.231 MB / 1.225 GB, free: 12.03 MB / 0.8386 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008535/1.96, allocations: 2.189 MB / 1.227 GB, free: 9.793 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000423/1.961, allocations: 267.1 kB / 1.227 GB, free: 9.531 MB / 0.8386 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002028/1.963, allocations: 352 kB / 1.227 GB, free: 9.188 MB / 0.8386 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02194/1.985, allocations: 6.009 MB / 1.233 GB, free: 3.082 MB / 0.8386 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001485/1.985, allocations: 4 kB / 1.233 GB, free: 3.078 MB / 0.8386 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00146/1.986, allocations: 151.9 kB / 1.233 GB, free: 2.93 MB / 0.8386 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000929/1.987, allocations: 310 kB / 1.234 GB, free: 2.625 MB / 0.8386 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01871/2.006, allocations: 5.426 MB / 1.239 GB, free: 13.19 MB / 0.8542 GB
Warning: The model contains alias variables with conflicting start and/or nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07672/2.083, allocations: 26.79 MB / 1.265 GB, free: 196 kB / 0.8698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.6619/2.745, allocations: 4.48 MB / 1.27 GB, free: 235.1 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005474/2.75, allocations: 2.042 MB / 1.272 GB, free: 235 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004173/2.751, allocations: 136.4 kB / 1.272 GB, free: 234.9 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.772e-05/2.751, allocations: 62.36 kB / 1.272 GB, free: 234.9 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=208): time 5.31e-06/2.751, allocations: 3.562 kB / 1.272 GB, free: 234.9 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=277): time 0.1699/2.921, allocations: 25.58 MB / 1.297 GB, free: 232.5 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001038/2.921, allocations: 242.8 kB / 1.297 GB, free: 232.3 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003413/2.924, allocations: 1.301 MB / 1.298 GB, free: 232.1 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007663/2.925, allocations: 68.8 kB / 1.298 GB, free: 232.1 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001427/2.927, allocations: 1.506 MB / 1.3 GB, free: 231.5 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001593/2.928, allocations: 0.9378 MB / 1.301 GB, free: 230.9 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000539/2.929, allocations: 66.22 kB / 1.301 GB, free: 230.9 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.000294/2.929, allocations: 445 kB / 1.301 GB, free: 230.6 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005932/2.935, allocations: 2.114 MB / 1.303 GB, free: 230.6 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007304/2.942, allocations: 3.01 MB / 1.306 GB, free: 229.6 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006406/2.949, allocations: 2.573 MB / 1.309 GB, free: 229.5 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.728e-05/2.949, allocations: 12.91 kB / 1.309 GB, free: 229.5 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02828/2.977, allocations: 8.068 MB / 1.317 GB, free: 229.2 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002489/2.98, allocations: 10.62 MB / 1.327 GB, free: 218 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001103/2.98, allocations: 29.69 kB / 1.327 GB, free: 218 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0361/3.016, allocations: 5.73 MB / 1.333 GB, free: 217.9 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007333/3.023, allocations: 0.8748 MB / 1.333 GB, free: 217.9 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03636/3.06, allocations: 14.58 MB / 1.348 GB, free: 213.9 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007761/3.068, allocations: 0.5419 MB / 1.348 GB, free: 213.8 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001041/3.069, allocations: 169.6 kB / 1.348 GB, free: 213.7 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.577e-05/3.069, allocations: 3.625 kB / 1.348 GB, free: 213.7 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 0.007666/3.076, allocations: 2.636 MB / 1.351 GB, free: 212.8 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated