Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.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.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.74/1.74, allocations: 293 MB / 309 MB, free: 4.82 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001022/0.001022, allocations: 176.1 kB / 378.7 MB, free: 1.02 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.554/1.554, allocations: 205.4 MB / 0.6383 GB, free: 8.152 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008154/0.0008159, allocations: 99.95 kB / 0.7527 GB, free: 63.05 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004494/0.0004494, allocations: 20 kB / 0.8768 GB, free: 10.37 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2773/0.2778, allocations: 116.4 MB / 0.9905 GB, free: 5.832 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9452/1.223, allocations: 199.5 MB / 1.185 GB, free: 13.9 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003739/1.223, allocations: 120.5 kB / 1.185 GB, free: 13.78 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3319/1.555, allocations: 123.9 MB / 1.306 GB, free: 0.9219 MB / 0.8698 GB Notification: Performance of FrontEnd: time 5.6e-06/1.555, allocations: 0 / 1.306 GB, free: 0.9219 MB / 0.8698 GB Notification: Performance of Transformations before backend: time 0.0003313/1.556, allocations: 67.98 kB / 1.306 GB, free: 0.8555 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: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.01384/1.57, allocations: 2.794 MB / 1.309 GB, free: 14 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 6.578e-05/1.57, allocations: 8.031 kB / 1.309 GB, free: 13.99 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01367/1.583, allocations: 2.088 MB / 1.311 GB, free: 11.9 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006916/1.59, allocations: 2.029 MB / 1.313 GB, free: 9.82 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003519/1.591, allocations: 235.2 kB / 1.313 GB, free: 9.59 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002431/1.593, allocations: 300 kB / 1.314 GB, free: 9.297 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02248/1.616, allocations: 5.863 MB / 1.319 GB, free: 3.324 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001948/1.616, allocations: 11.98 kB / 1.319 GB, free: 3.312 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001909/1.618, allocations: 128 kB / 1.32 GB, free: 3.188 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007769/1.619, allocations: 277.3 kB / 1.32 GB, free: 2.914 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02097/1.64, allocations: 6.015 MB / 1.326 GB, free: 12.88 MB / 0.9011 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0553/1.695, allocations: 24.79 MB / 1.35 GB, free: 2.043 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01159/1.707, allocations: 5.454 MB / 1.355 GB, free: 12.23 MB / 0.9323 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007246/1.714, allocations: 2.813 MB / 1.358 GB, free: 9.406 MB / 0.9323 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006195/1.715, allocations: 135 kB / 1.358 GB, free: 9.254 MB / 0.9323 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001185/1.715, allocations: 64.5 kB / 1.358 GB, free: 9.184 MB / 0.9323 GB Notification: Performance of pre-optimization done (n=230): time 9.578e-06/1.715, allocations: 4 kB / 1.358 GB, free: 9.18 MB / 0.9323 GB Notification: Performance of matching and sorting (n=311): time 0.8504/2.565, allocations: 36.5 MB / 1.394 GB, free: 200.2 MB / 0.9323 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001565/2.566, allocations: 246 kB / 1.394 GB, free: 199.9 MB / 0.9323 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003187/2.569, allocations: 1.252 MB / 1.395 GB, free: 199.7 MB / 0.9323 GB Notification: Performance of collectPreVariables (initialization): time 0.00105/2.57, allocations: 78.48 kB / 1.395 GB, free: 199.7 MB / 0.9323 GB Notification: Performance of collectInitialEqns (initialization): time 0.001042/2.571, allocations: 1.233 MB / 1.397 GB, free: 199.2 MB / 0.9323 GB Notification: Performance of collectInitialBindings (initialization): time 0.002004/2.573, allocations: 1.047 MB / 1.398 GB, free: 198.6 MB / 0.9323 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007191/2.574, allocations: 61.34 kB / 1.398 GB, free: 198.6 MB / 0.9323 GB Notification: Performance of setup shared object (initialization): time 0.000426/2.574, allocations: 444.6 kB / 1.398 GB, free: 198.3 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006838/2.581, allocations: 2.73 MB / 1.401 GB, free: 198.3 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008398/2.59, allocations: 3.438 MB / 1.404 GB, free: 197.5 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01599/2.606, allocations: 6.377 MB / 1.41 GB, free: 196.8 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001055/2.606, allocations: 3.094 kB / 1.41 GB, free: 196.8 MB / 0.9323 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.03102/2.637, allocations: 9.857 MB / 1.42 GB, free: 196.4 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 0.0009043/2.638, allocations: 0.6443 MB / 1.421 GB, free: 195.6 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001186/2.638, allocations: 18.91 kB / 1.421 GB, free: 195.6 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03218/2.67, allocations: 7.763 MB / 1.428 GB, free: 195.5 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004606/2.675, allocations: 0.828 MB / 1.429 GB, free: 195.5 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03627/2.711, allocations: 17.34 MB / 1.446 GB, free: 193.4 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005666/2.717, allocations: 0.5353 MB / 1.446 GB, free: 193.4 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001324/2.718, allocations: 178.4 kB / 1.447 GB, free: 193.4 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 1.907e-05/2.718, allocations: 2.844 kB / 1.447 GB, free: 193.4 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.01118/2.73, allocations: 3.212 MB / 1.45 GB, free: 192.6 MB / 0.9323 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated