Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_7_0_x_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_maint_7_0_x_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 7.0.3-maint.7.0.x/package.mo): time 1.499/1.499, allocations: 252 MB / 267.3 MB, free: 10.83 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001405/0.001405, allocations: 179.6 kB / 327 MB, free: 2.07 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.949/1.949, allocations: 205.4 MB / 0.578 GB, free: 20.11 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000956/0.000956, allocations: 83.73 kB / 0.6826 GB, free: 12.75 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003497/0.0003497, allocations: 12.41 kB / 0.7971 GB, free: 135 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2657/0.2661, allocations: 106.3 MB / 0.901 GB, free: 63.32 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01381/0.28, allocations: 15.7 MB / 0.9163 GB, free: 47.57 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.009864/0.2899, allocations: 6.467 MB / 0.9226 GB, free: 41.08 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001677/0.2916, allocations: 39.88 kB / 0.9226 GB, free: 41.04 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.0009002/0.2925, allocations: 329.7 kB / 0.923 GB, free: 40.71 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.00339/0.2959, allocations: 1.246 MB / 0.9242 GB, free: 39.46 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.002495/0.2984, allocations: 0.966 MB / 0.9251 GB, free: 38.5 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.006133/0.3046, allocations: 7.649 MB / 0.9326 GB, free: 30.84 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008073/0.3127, allocations: 6.815 MB / 0.9392 GB, free: 23.93 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002923/0.3156, allocations: 1.537 MB / 0.9407 GB, free: 22.38 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003364/0.319, allocations: 2.418 MB / 0.9431 GB, free: 19.96 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0005712/0.3196, allocations: 212 kB / 0.9433 GB, free: 19.75 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002458/0.3221, allocations: 1.15 MB / 0.9444 GB, free: 18.6 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.001682/0.3238, allocations: 1.707 MB / 0.9461 GB, free: 16.89 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.001666/0.3255, allocations: 1.611 MB / 0.9477 GB, free: 15.26 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.005967/0.3314, allocations: 6.449 MB / 0.954 GB, free: 8.793 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 7.303e-06/0.3315, allocations: 3.984 kB / 0.954 GB, free: 8.789 MB / 0.6042 GB Notification: Performance of FrontEnd: time 2.365e-06/0.3315, allocations: 7.938 kB / 0.954 GB, free: 8.781 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 0.0001671/0.3316, allocations: 0 / 0.954 GB, free: 8.781 MB / 0.6042 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 0.006438/0.3381, allocations: 2.838 MB / 0.9567 GB, free: 5.883 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 5.328e-05/0.3382, allocations: 8.031 kB / 0.9568 GB, free: 5.875 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001122/0.3393, allocations: 496.5 kB / 0.9572 GB, free: 5.379 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01192/0.3512, allocations: 2.314 MB / 0.9595 GB, free: 3.059 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004473/0.3557, allocations: 1.979 MB / 0.9614 GB, free: 1.035 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001847/0.356, allocations: 238.3 kB / 0.9616 GB, free: 0.8008 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001248/0.3572, allocations: 304 kB / 0.9619 GB, free: 0.5039 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01568/0.3729, allocations: 6.43 MB / 0.9682 GB, free: 9.961 MB / 0.6198 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.816e-05/0.373, allocations: 15.92 kB / 0.9682 GB, free: 9.945 MB / 0.6198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003907/0.3734, allocations: 128 kB / 0.9684 GB, free: 9.82 MB / 0.6198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005458/0.374, allocations: 317.4 kB / 0.9687 GB, free: 9.508 MB / 0.6198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01561/0.3896, allocations: 6.582 MB / 0.9751 GB, free: 2.906 MB / 0.6198 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03655/0.4262, allocations: 24.89 MB / 0.9994 GB, free: 7.957 MB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01/0.4363, allocations: 5.427 MB / 1.005 GB, free: 2.176 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007281/0.4436, allocations: 2.928 MB / 1.008 GB, free: 15.22 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004204/0.4441, allocations: 143 kB / 1.008 GB, free: 15.06 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.052e-05/0.4441, allocations: 56.56 kB / 1.008 GB, free: 15 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=230): time 4.658e-06/0.4442, allocations: 0 / 1.008 GB, free: 15 MB / 0.6667 GB Notification: Performance of matching and sorting (n=313): time 0.1548/0.599, allocations: 39.6 MB / 1.046 GB, free: 7.34 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001952/0.5992, allocations: 243.8 kB / 1.047 GB, free: 7.051 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002332/0.6016, allocations: 1.279 MB / 1.048 GB, free: 5.758 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.0006268/0.6022, allocations: 77.7 kB / 1.048 GB, free: 5.676 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001061/0.6033, allocations: 1.243 MB / 1.049 GB, free: 4.414 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001721/0.6051, allocations: 1.055 MB / 1.05 GB, free: 3.344 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006162/0.6057, allocations: 64 kB / 1.05 GB, free: 3.281 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0003899/0.6061, allocations: 440.8 kB / 1.051 GB, free: 2.844 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007056/0.6132, allocations: 2.75 MB / 1.053 GB, free: 92 kB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.4966/1.11, allocations: 3.433 MB / 1.057 GB, free: 138.6 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01302/1.123, allocations: 6.371 MB / 1.063 GB, free: 137.9 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.795e-05/1.123, allocations: 9.844 kB / 1.063 GB, free: 137.9 MB / 0.698 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.03184/1.155, allocations: 11.03 MB / 1.074 GB, free: 137.1 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004665/1.155, allocations: 0.6267 MB / 1.074 GB, free: 136.2 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.414e-05/1.155, allocations: 17.66 kB / 1.074 GB, free: 136.2 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02232/1.178, allocations: 6.299 MB / 1.081 GB, free: 135.2 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004706/1.182, allocations: 0.9391 MB / 1.081 GB, free: 134.9 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03851/1.221, allocations: 26.41 MB / 1.107 GB, free: 113.1 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004481/1.226, allocations: 0.5291 MB / 1.108 GB, free: 112.6 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004025/1.226, allocations: 143.9 kB / 1.108 GB, free: 112.5 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.203e-05/1.226, allocations: 4 kB / 1.108 GB, free: 112.5 MB / 0.698 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 0.005999/1.232, allocations: 3.092 MB / 1.111 GB, free: 109.4 MB / 0.698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated