Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-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 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.671/1.671, allocations: 289.7 MB / 302.2 MB, free: 2.176 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001126/0.001126, allocations: 185.1 kB / 371.6 MB, free: 3.375 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.613/1.613, allocations: 205.2 MB / 0.6309 GB, free: 11.75 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009338/0.0009338, allocations: 90.64 kB / 0.745 GB, free: 54.59 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 3.481e-05/3.482e-05, allocations: 4 kB / 0.8664 GB, free: 14.92 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2815/0.2815, allocations: 116.3 MB / 0.9799 GB, free: 10.45 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9552/1.237, allocations: 200.1 MB / 1.175 GB, free: 14.79 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003518/1.237, allocations: 112.4 kB / 1.175 GB, free: 14.73 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3389/1.576, allocations: 133.2 MB / 1.306 GB, free: 4.512 MB / 0.8698 GB Notification: Performance of FrontEnd: time 2.215e-06/1.576, allocations: 0 / 1.306 GB, free: 4.512 MB / 0.8698 GB Notification: Performance of Transformations before backend: time 0.0001488/1.576, allocations: 67.98 kB / 1.306 GB, free: 4.445 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: 874 * Number of variables: 874 Notification: Performance of Generate backend data structure: time 0.008726/1.585, allocations: 2.713 MB / 1.308 GB, free: 1.676 MB / 0.8698 GB Notification: Performance of prepare preOptimizeDAE: time 5.434e-05/1.585, allocations: 8.031 kB / 1.308 GB, free: 1.668 MB / 0.8698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00148/1.587, allocations: 499.6 kB / 1.309 GB, free: 1.172 MB / 0.8698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01366/1.6, allocations: 2.091 MB / 1.311 GB, free: 15.07 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00592/1.606, allocations: 2.009 MB / 1.313 GB, free: 13.02 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002944/1.607, allocations: 238.2 kB / 1.313 GB, free: 12.79 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001872/1.609, allocations: 300 kB / 1.313 GB, free: 12.49 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01478/1.623, allocations: 5.351 MB / 1.319 GB, free: 7.031 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.123e-05/1.623, allocations: 7.938 kB / 1.319 GB, free: 7.023 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004847/1.624, allocations: 128 kB / 1.319 GB, free: 6.898 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005295/1.624, allocations: 281.4 kB / 1.319 GB, free: 6.621 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01111/1.636, allocations: 5.028 MB / 1.324 GB, free: 1.582 MB / 0.8855 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03955/1.675, allocations: 24.84 MB / 1.348 GB, free: 6.68 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007743/1.683, allocations: 4.976 MB / 1.353 GB, free: 1.355 MB / 0.9167 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004274/1.687, allocations: 2.296 MB / 1.355 GB, free: 15.05 MB / 0.9323 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004191/1.688, allocations: 143 kB / 1.355 GB, free: 14.89 MB / 0.9323 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.937e-05/1.688, allocations: 64.48 kB / 1.355 GB, free: 14.82 MB / 0.9323 GB Notification: Performance of pre-optimization done (n=230): time 5.089e-06/1.688, allocations: 0 / 1.355 GB, free: 14.82 MB / 0.9323 GB Notification: Performance of matching and sorting (n=311): time 0.752/2.44, allocations: 31.01 MB / 1.386 GB, free: 212.2 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.784e-05/2.44, allocations: 242.8 kB / 1.386 GB, free: 212 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001924/2.442, allocations: 1.155 MB / 1.387 GB, free: 211.8 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 0.0007901/2.443, allocations: 77.92 kB / 1.387 GB, free: 211.8 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007654/2.444, allocations: 1.246 MB / 1.388 GB, free: 211.6 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 0.001189/2.445, allocations: 1.045 MB / 1.389 GB, free: 211 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002496/2.445, allocations: 63.34 kB / 1.389 GB, free: 211 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.0001925/2.445, allocations: 441.8 kB / 1.39 GB, free: 210.7 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003507/2.449, allocations: 2.232 MB / 1.392 GB, free: 210.7 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00448/2.453, allocations: 2.933 MB / 1.395 GB, free: 210 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005091/2.458, allocations: 2.647 MB / 1.397 GB, free: 210 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.617e-05/2.458, allocations: 4.719 kB / 1.397 GB, free: 210 MB / 0.948 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.02117/2.48, allocations: 8.416 MB / 1.406 GB, free: 209.7 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.001652/2.481, allocations: 7.327 MB / 1.413 GB, free: 202.1 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.308e-05/2.481, allocations: 18.12 kB / 1.413 GB, free: 202.1 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02527/2.507, allocations: 6.752 MB / 1.419 GB, free: 202 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004186/2.511, allocations: 0.8298 MB / 1.42 GB, free: 202 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02375/2.535, allocations: 16.65 MB / 1.437 GB, free: 200 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004514/2.539, allocations: 0.5119 MB / 1.437 GB, free: 200 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006771/2.54, allocations: 176.9 kB / 1.437 GB, free: 200 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.285e-05/2.54, allocations: 2.906 kB / 1.437 GB, free: 200 MB / 0.948 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.004431/2.544, allocations: 2.71 MB / 1.44 GB, free: 199.9 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated