Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.714/1.714, allocations: 288.4 MB / 303.3 MB, free: 8.008 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001165/0.001165, allocations: 182.8 kB / 372 MB, free: 10.26 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.724/1.724, allocations: 205.4 MB / 0.6307 GB, free: 9.996 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001431/0.001431, allocations: 98.83 kB / 0.744 GB, free: 5.93 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0006827/0.0006828, allocations: 11.56 kB / 0.8671 GB, free: 142 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2709/0.2716, allocations: 115.3 MB / 0.9797 GB, free: 27.53 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD): time 0.01705/0.2887, allocations: 14.73 MB / 0.9941 GB, free: 12.74 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01177/0.3005, allocations: 6.119 MB / 1 GB, free: 6.609 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001926/0.3025, allocations: 43.81 kB / 1 GB, free: 6.566 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.0009929/0.3035, allocations: 325.7 kB / 1 GB, free: 6.246 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.003236/0.3068, allocations: 1.054 MB / 1.001 GB, free: 5.188 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.002639/0.3094, allocations: 0.7446 MB / 1.002 GB, free: 4.441 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.007251/0.3167, allocations: 5.85 MB / 1.008 GB, free: 14.58 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01269/0.3294, allocations: 5.965 MB / 1.014 GB, free: 8.547 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004336/0.3338, allocations: 1.522 MB / 1.015 GB, free: 7.02 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00533/0.3392, allocations: 2.372 MB / 1.017 GB, free: 4.641 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0009289/0.3402, allocations: 216 kB / 1.018 GB, free: 4.43 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002611/0.3428, allocations: 0.6594 MB / 1.018 GB, free: 3.77 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.003018/0.3458, allocations: 1.703 MB / 1.02 GB, free: 2.062 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.001457/0.3473, allocations: 0.6056 MB / 1.021 GB, free: 1.449 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.008536/0.3559, allocations: 5.509 MB / 1.026 GB, free: 11.93 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 7.985e-06/0.3559, allocations: 0 / 1.026 GB, free: 11.93 MB / 0.6511 GB Notification: Performance of FrontEnd: time 3.356e-06/0.356, allocations: 0 / 1.026 GB, free: 11.93 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 0.0002116/0.3562, allocations: 0 / 1.026 GB, free: 11.93 MB / 0.6511 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 0.01012/0.3663, allocations: 2.841 MB / 1.029 GB, free: 9.023 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 5.478e-05/0.3664, allocations: 12.02 kB / 1.029 GB, free: 9.012 MB / 0.6511 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001582/0.368, allocations: 496 kB / 1.029 GB, free: 8.516 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01744/0.3854, allocations: 2.305 MB / 1.031 GB, free: 6.203 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00652/0.392, allocations: 1.939 MB / 1.033 GB, free: 4.219 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003221/0.3924, allocations: 238.1 kB / 1.034 GB, free: 3.984 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001583/0.394, allocations: 296 kB / 1.034 GB, free: 3.695 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02135/0.4153, allocations: 6.378 MB / 1.04 GB, free: 13.2 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000103/0.4155, allocations: 0 / 1.04 GB, free: 13.2 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006638/0.4162, allocations: 132 kB / 1.04 GB, free: 13.07 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007079/0.4169, allocations: 317.2 kB / 1.041 GB, free: 12.76 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02383/0.4407, allocations: 6.547 MB / 1.047 GB, free: 6.199 MB / 0.6667 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.5357/0.9765, allocations: 24.79 MB / 1.071 GB, free: 77.57 MB / 0.6823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01289/0.9895, allocations: 5.408 MB / 1.076 GB, free: 75.64 MB / 0.6823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.008624/0.9982, allocations: 2.947 MB / 1.079 GB, free: 74.83 MB / 0.6823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004196/0.9986, allocations: 136.8 kB / 1.079 GB, free: 74.73 MB / 0.6823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.115e-05/0.9987, allocations: 71.33 kB / 1.08 GB, free: 74.66 MB / 0.6823 GB Notification: Performance of pre-optimization done (n=230): time 6.713e-06/0.9987, allocations: 3.984 kB / 1.08 GB, free: 74.66 MB / 0.6823 GB Notification: Performance of matching and sorting (n=313): time 0.1372/1.136, allocations: 39.48 MB / 1.118 GB, free: 60.29 MB / 0.6823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.22e-05/1.136, allocations: 240.6 kB / 1.118 GB, free: 60.03 MB / 0.6823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001711/1.138, allocations: 1.223 MB / 1.119 GB, free: 59.17 MB / 0.6823 GB Notification: Performance of collectPreVariables (initialization): time 0.0006543/1.138, allocations: 77.7 kB / 1.12 GB, free: 59.09 MB / 0.6823 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005314/1.139, allocations: 1.235 MB / 1.121 GB, free: 57.84 MB / 0.6823 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009849/1.14, allocations: 1.048 MB / 1.122 GB, free: 56.8 MB / 0.6823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002277/1.14, allocations: 73.8 kB / 1.122 GB, free: 56.73 MB / 0.6823 GB Notification: Performance of setup shared object (initialization): time 0.0001451/1.14, allocations: 444.8 kB / 1.122 GB, free: 56.29 MB / 0.6823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005109/1.146, allocations: 2.735 MB / 1.125 GB, free: 53.55 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005596/1.151, allocations: 3.42 MB / 1.128 GB, free: 49.87 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005864/1.157, allocations: 3.134 MB / 1.131 GB, free: 46.72 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.298e-05/1.157, allocations: 8 kB / 1.131 GB, free: 46.71 MB / 0.6823 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.02577/1.183, allocations: 10.99 MB / 1.142 GB, free: 35.67 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003638/1.183, allocations: 0.6236 MB / 1.143 GB, free: 34.79 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.993e-05/1.183, allocations: 20.19 kB / 1.143 GB, free: 34.77 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02095/1.204, allocations: 6.298 MB / 1.149 GB, free: 28.46 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003996/1.208, allocations: 0.9399 MB / 1.15 GB, free: 27.52 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03781/1.246, allocations: 26.36 MB / 1.176 GB, free: 0.9492 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004206/1.25, allocations: 0.5304 MB / 1.176 GB, free: 428 kB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006715/1.251, allocations: 136 kB / 1.176 GB, free: 292 kB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.149e-05/1.251, allocations: 7.844 kB / 1.176 GB, free: 288 kB / 0.6823 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 0.007582/1.259, allocations: 3.078 MB / 1.179 GB, free: 13.18 MB / 0.698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated