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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+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/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) 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) 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 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007907/0.0007908, allocations: 98.27 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005102/0.005102, allocations: 170.6 kB / 16.27 MB, free: 6.66 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.32/1.32, allocations: 205.4 MB / 222.5 MB, free: 5.555 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.605/1.605, allocations: 292.7 MB / 0.5502 GB, free: 14.45 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0004898/0.0004898, allocations: 13.91 kB / 0.6745 GB, free: 25.7 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1942/0.1947, allocations: 116.3 MB / 0.788 GB, free: 11.44 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01599/0.2107, allocations: 15.71 MB / 0.8034 GB, free: 11.67 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.009481/0.2202, allocations: 6.467 MB / 0.8097 GB, free: 5.184 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001074/0.2214, allocations: 39.88 kB / 0.8097 GB, free: 5.145 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.0007346/0.2221, allocations: 329.6 kB / 0.81 GB, free: 4.82 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.002275/0.2244, allocations: 1.246 MB / 0.8113 GB, free: 3.57 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002064/0.2265, allocations: 0.9643 MB / 0.8122 GB, free: 2.605 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.006971/0.2334, allocations: 7.656 MB / 0.8197 GB, free: 10.93 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009548/0.243, allocations: 6.835 MB / 0.8263 GB, free: 4.008 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002413/0.2455, allocations: 1.498 MB / 0.8278 GB, free: 2.504 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003364/0.2488, allocations: 2.415 MB / 0.8302 GB, free: 84 kB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0007715/0.2496, allocations: 212 kB / 0.8304 GB, free: 15.87 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002455/0.2521, allocations: 1.154 MB / 0.8315 GB, free: 14.72 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.001798/0.2539, allocations: 1.703 MB / 0.8332 GB, free: 13.01 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.001642/0.2555, allocations: 1.619 MB / 0.8347 GB, free: 11.38 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.005526/0.2611, allocations: 6.456 MB / 0.841 GB, free: 4.902 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 3.627e-06/0.2611, allocations: 0 / 0.841 GB, free: 4.902 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.844e-06/0.2611, allocations: 0 / 0.841 GB, free: 4.902 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 9.955e-05/0.2612, allocations: 0 / 0.841 GB, free: 4.902 MB / 0.6544 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 0.005383/0.2666, allocations: 2.837 MB / 0.8438 GB, free: 2.004 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.307e-05/0.2667, allocations: 12.03 kB / 0.8438 GB, free: 1.992 MB / 0.6544 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006334/0.2673, allocations: 496.5 kB / 0.8443 GB, free: 1.496 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01211/0.2794, allocations: 2.314 MB / 0.8466 GB, free: 15.18 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003652/0.2831, allocations: 1.979 MB / 0.8485 GB, free: 13.15 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001543/0.2833, allocations: 238.3 kB / 0.8487 GB, free: 12.92 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006132/0.2839, allocations: 304 kB / 0.849 GB, free: 12.62 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01271/0.2966, allocations: 6.434 MB / 0.8553 GB, free: 6.074 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.112e-05/0.2967, allocations: 0 / 0.8553 GB, free: 6.074 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004525/0.2972, allocations: 131.9 kB / 0.8554 GB, free: 5.945 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004621/0.2976, allocations: 325.3 kB / 0.8557 GB, free: 5.625 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01436/0.312, allocations: 6.582 MB / 0.8622 GB, free: 15.03 MB / 0.6856 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02939/0.3414, allocations: 24.89 MB / 0.8865 GB, free: 4.07 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008606/0.3501, allocations: 5.432 MB / 0.8918 GB, free: 14.28 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00628/0.3564, allocations: 2.92 MB / 0.8946 GB, free: 11.34 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002856/0.3567, allocations: 139 kB / 0.8948 GB, free: 11.19 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.5e-05/0.3568, allocations: 72.48 kB / 0.8948 GB, free: 11.11 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=230): time 4.157e-06/0.3568, allocations: 0 / 0.8948 GB, free: 11.11 MB / 0.7169 GB Notification: Performance of matching and sorting (n=313): time 0.4477/0.8045, allocations: 39.59 MB / 0.9335 GB, free: 124.3 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.955e-05/0.8046, allocations: 240.8 kB / 0.9337 GB, free: 124.1 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00153/0.8061, allocations: 1.28 MB / 0.935 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0003852/0.8065, allocations: 77.19 kB / 0.935 GB, free: 123.5 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005591/0.8071, allocations: 1.248 MB / 0.9363 GB, free: 122.6 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007484/0.8078, allocations: 1.055 MB / 0.9373 GB, free: 121.8 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003924/0.8082, allocations: 258.9 kB / 0.9375 GB, free: 121.6 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 3.396e-05/0.8083, allocations: 305.7 kB / 0.9378 GB, free: 121.3 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005747/0.814, allocations: 2.748 MB / 0.9405 GB, free: 120.5 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005974/0.82, allocations: 3.436 MB / 0.9439 GB, free: 118.9 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01088/0.8309, allocations: 6.374 MB / 0.9501 GB, free: 116.1 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.684e-05/0.8309, allocations: 5.219 kB / 0.9501 GB, free: 116.1 MB / 0.7325 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.0254/0.8563, allocations: 11.01 MB / 0.9609 GB, free: 110.8 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002537/0.8566, allocations: 0.6213 MB / 0.9615 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.258e-05/0.8567, allocations: 15.59 kB / 0.9615 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01997/0.8766, allocations: 6.298 MB / 0.9676 GB, free: 107 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003665/0.8803, allocations: 0.9354 MB / 0.9685 GB, free: 106.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03457/0.9149, allocations: 26.4 MB / 0.9943 GB, free: 80.75 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00387/0.9188, allocations: 0.534 MB / 0.9948 GB, free: 80.21 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002599/0.9191, allocations: 143.9 kB / 0.995 GB, free: 80.07 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 7.745e-06/0.9191, allocations: 4 kB / 0.995 GB, free: 80.07 MB / 0.7325 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 0.005487/0.9246, allocations: 3.085 MB / 0.998 GB, free: 76.96 MB / 0.7325 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated