Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.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.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.631/1.631, allocations: 293 MB / 309 MB, free: 4.801 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001239/0.001239, allocations: 184.5 kB / 378.7 MB, free: 1.012 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.525/1.525, allocations: 205.4 MB / 0.6383 GB, free: 8.219 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007281/0.000728, allocations: 93.73 kB / 0.7527 GB, free: 62.7 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004299/0.00043, allocations: 16 kB / 0.8768 GB, free: 10.4 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.286/0.2864, allocations: 116.4 MB / 0.9905 GB, free: 5.863 MB / 0.7136 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8165/1.103, allocations: 201.2 MB / 1.187 GB, free: 12.25 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003275/1.103, allocations: 116.9 kB / 1.187 GB, free: 12.13 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3477/1.451, allocations: 135.5 MB / 1.319 GB, free: 3.492 MB / 0.8855 GB
Notification: Performance of FrontEnd: time 3.296e-06/1.451, allocations: 0 / 1.319 GB, free: 3.492 MB / 0.8855 GB
Notification: Performance of Transformations before backend: time 0.0002339/1.451, allocations: 72 kB / 1.319 GB, free: 3.422 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.0123/1.464, allocations: 3.089 MB / 1.322 GB, free: 280 kB / 0.8855 GB
Notification: Performance of prepare preOptimizeDAE: time 6.352e-05/1.464, allocations: 12.03 kB / 1.322 GB, free: 268 kB / 0.8855 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01316/1.477, allocations: 2.134 MB / 1.325 GB, free: 14.12 MB / 0.9011 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006735/1.484, allocations: 2.221 MB / 1.327 GB, free: 11.85 MB / 0.9011 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004184/1.484, allocations: 268.2 kB / 1.327 GB, free: 11.59 MB / 0.9011 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002742/1.487, allocations: 348 kB / 1.327 GB, free: 11.25 MB / 0.9011 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02565/1.513, allocations: 6.527 MB / 1.334 GB, free: 4.621 MB / 0.9011 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002102/1.513, allocations: 11.94 kB / 1.334 GB, free: 4.609 MB / 0.9011 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001797/1.515, allocations: 148 kB / 1.334 GB, free: 4.465 MB / 0.9011 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006666/1.515, allocations: 298.1 kB / 1.334 GB, free: 4.172 MB / 0.9011 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01957/1.535, allocations: 6.412 MB / 1.34 GB, free: 13.75 MB / 0.9167 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04772/1.583, allocations: 26.76 MB / 1.367 GB, free: 0.8242 MB / 0.9323 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.7093/2.292, allocations: 5.003 MB / 1.371 GB, free: 192.2 MB / 0.9323 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005369/2.298, allocations: 2.532 MB / 1.374 GB, free: 192.2 MB / 0.9323 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002449/2.298, allocations: 135.2 kB / 1.374 GB, free: 192.1 MB / 0.9323 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.403e-05/2.298, allocations: 61.34 kB / 1.374 GB, free: 192 MB / 0.9323 GB
Notification: Performance of pre-optimization done (n=208): time 5.58e-06/2.298, allocations: 1.125 kB / 1.374 GB, free: 192 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=277): time 0.11/2.408, allocations: 31 MB / 1.404 GB, free: 189.4 MB / 0.9323 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001018/2.408, allocations: 240.8 kB / 1.405 GB, free: 189.1 MB / 0.9323 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002476/2.411, allocations: 1.468 MB / 1.406 GB, free: 188.9 MB / 0.9323 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008041/2.411, allocations: 70.39 kB / 1.406 GB, free: 188.9 MB / 0.9323 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001152/2.413, allocations: 1.494 MB / 1.408 GB, free: 188.3 MB / 0.9323 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001669/2.414, allocations: 0.9401 MB / 1.408 GB, free: 187.7 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007072/2.415, allocations: 67.06 kB / 1.409 GB, free: 187.7 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.0003653/2.415, allocations: 451.8 kB / 1.409 GB, free: 187.4 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005873/2.421, allocations: 2.616 MB / 1.411 GB, free: 187.4 MB / 0.9323 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006792/2.428, allocations: 3.529 MB / 1.415 GB, free: 186.4 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01306/2.441, allocations: 6.341 MB / 1.421 GB, free: 185.3 MB / 0.9323 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.408e-05/2.441, allocations: 10.38 kB / 1.421 GB, free: 185.3 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02432/2.466, allocations: 9.562 MB / 1.43 GB, free: 185 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007294/2.466, allocations: 0.8793 MB / 1.431 GB, free: 183.9 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001344/2.467, allocations: 28.47 kB / 1.431 GB, free: 183.9 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02764/2.494, allocations: 7.539 MB / 1.439 GB, free: 183.7 MB / 0.9323 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003904/2.498, allocations: 0.8722 MB / 1.44 GB, free: 183.7 MB / 0.9323 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02915/2.527, allocations: 15.3 MB / 1.455 GB, free: 181.7 MB / 0.9323 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005018/2.532, allocations: 0.5475 MB / 1.455 GB, free: 181.6 MB / 0.9323 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001138/2.534, allocations: 196.8 kB / 1.455 GB, free: 181.6 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 1.603e-05/2.534, allocations: 12.59 kB / 1.455 GB, free: 181.6 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 0.009288/2.543, allocations: 3.14 MB / 1.458 GB, free: 181.5 MB / 0.9323 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated