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.UnbalancedStepDown.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.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_8_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_8_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 8.0.1-maint.8.0.x/package.mo): time 1.567/1.567, allocations: 288.4 MB / 303.6 MB, free: 8.074 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009295/0.0009295, allocations: 184.4 kB / 372.3 MB, free: 10.11 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.249/1.249, allocations: 205.4 MB / 0.631 GB, free: 9.902 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007087/0.0007087, allocations: 97.05 kB / 0.7444 GB, free: 5.824 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003475/0.0003476, allocations: 11.62 kB / 0.8676 GB, free: 141.7 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.165/0.1654, allocations: 115.3 MB / 0.9802 GB, free: 27.21 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01127/0.1767, allocations: 14.83 MB / 0.9947 GB, free: 12.33 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.006837/0.1836, allocations: 6.142 MB / 1.001 GB, free: 6.176 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001023/0.1846, allocations: 43.88 kB / 1.001 GB, free: 6.133 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.0007328/0.1854, allocations: 325.6 kB / 1.001 GB, free: 5.812 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.002081/0.1875, allocations: 1.152 MB / 1.002 GB, free: 4.656 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001653/0.1891, allocations: 0.8088 MB / 1.003 GB, free: 3.848 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.004379/0.1935, allocations: 5.889 MB / 1.009 GB, free: 13.95 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008186/0.2017, allocations: 6.768 MB / 1.015 GB, free: 7.086 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002233/0.204, allocations: 1.526 MB / 1.017 GB, free: 5.555 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003388/0.2074, allocations: 2.376 MB / 1.019 GB, free: 3.172 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006542/0.208, allocations: 216 kB / 1.019 GB, free: 2.961 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002043/0.2101, allocations: 1.115 MB / 1.02 GB, free: 1.844 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.001871/0.212, allocations: 1.703 MB / 1.022 GB, free: 140 kB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.002177/0.2142, allocations: 1.55 MB / 1.024 GB, free: 14.57 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.004196/0.2184, allocations: 5.568 MB / 1.029 GB, free: 8.992 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 3.146e-06/0.2184, allocations: 0 / 1.029 GB, free: 8.992 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 1.002e-06/0.2184, allocations: 0 / 1.029 GB, free: 8.992 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 4.726e-05/0.2184, allocations: 0 / 1.029 GB, free: 8.992 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.004407/0.2228, allocations: 2.838 MB / 1.032 GB, free: 6.094 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 3.649e-05/0.2229, allocations: 8.031 kB / 1.032 GB, free: 6.086 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005359/0.2234, allocations: 496.4 kB / 1.032 GB, free: 5.59 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01053/0.234, allocations: 2.318 MB / 1.035 GB, free: 3.266 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002998/0.237, allocations: 1.983 MB / 1.036 GB, free: 1.238 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001342/0.2371, allocations: 238.3 kB / 1.037 GB, free: 1.004 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000459/0.2376, allocations: 304 kB / 1.037 GB, free: 0.707 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01021/0.2478, allocations: 6.403 MB / 1.043 GB, free: 10.19 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.993e-05/0.2479, allocations: 11.94 kB / 1.043 GB, free: 10.18 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000333/0.2482, allocations: 124 kB / 1.043 GB, free: 10.06 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003876/0.2486, allocations: 321.4 kB / 1.044 GB, free: 9.742 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01224/0.2609, allocations: 6.562 MB / 1.05 GB, free: 3.164 MB / 0.6667 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3275/0.5884, allocations: 24.88 MB / 1.074 GB, free: 74.45 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007506/0.5959, allocations: 5.414 MB / 1.08 GB, free: 72.06 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006056/0.602, allocations: 2.945 MB / 1.083 GB, free: 71.25 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002355/0.6023, allocations: 133.7 kB / 1.083 GB, free: 71.15 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.012e-05/0.6023, allocations: 67.47 kB / 1.083 GB, free: 71.09 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=230): time 4.598e-06/0.6023, allocations: 0.7188 kB / 1.083 GB, free: 71.09 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=313): time 0.12/0.7223, allocations: 39.58 MB / 1.121 GB, free: 56.35 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.733e-05/0.7224, allocations: 242.7 kB / 1.122 GB, free: 56.09 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001155/0.7235, allocations: 1.261 MB / 1.123 GB, free: 55.41 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001946/0.7237, allocations: 77.58 kB / 1.123 GB, free: 55.34 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003836/0.7241, allocations: 1.25 MB / 1.124 GB, free: 54.24 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005188/0.7247, allocations: 1.057 MB / 1.125 GB, free: 53.33 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001936/0.7249, allocations: 63.88 kB / 1.125 GB, free: 53.28 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001139/0.725, allocations: 444.1 kB / 1.126 GB, free: 52.88 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004464/0.7295, allocations: 2.737 MB / 1.128 GB, free: 50.31 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004635/0.7341, allocations: 3.42 MB / 1.132 GB, free: 46.63 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.009428/0.7435, allocations: 6.357 MB / 1.138 GB, free: 39.99 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.476e-06/0.7436, allocations: 8 kB / 1.138 GB, free: 39.98 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.02171/0.7653, allocations: 11 MB / 1.149 GB, free: 28.93 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001765/0.7655, allocations: 0.6185 MB / 1.149 GB, free: 28.05 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.81e-05/0.7655, allocations: 16 kB / 1.149 GB, free: 28.04 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01862/0.7841, allocations: 6.297 MB / 1.155 GB, free: 21.73 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003458/0.7876, allocations: 0.9399 MB / 1.156 GB, free: 20.79 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03443/0.822, allocations: 26.37 MB / 1.182 GB, free: 10.21 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003543/0.8256, allocations: 0.5265 MB / 1.183 GB, free: 9.688 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002814/0.8259, allocations: 140 kB / 1.183 GB, free: 9.551 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 7.273e-06/0.8259, allocations: 4 kB / 1.183 GB, free: 9.547 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 <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.006081/0.832, allocations: 3.086 MB / 1.186 GB, free: 6.441 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated