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.BalancedStepDown.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.BalancedStepDown.DD,fileNamePrefix="Buildings_maint_7_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_7_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 7.0.3-maint.7.0.x/package.mo): time 1.391/1.391, allocations: 252 MB / 267 MB, free: 10.97 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001115/0.001115, allocations: 181.3 kB / 326.6 MB, free: 2.223 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.918/1.918, allocations: 205.4 MB / 0.5777 GB, free: 20.28 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008175/0.0008176, allocations: 94.22 kB / 0.6823 GB, free: 12.86 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003697/0.0003697, allocations: 8.938 kB / 0.7965 GB, free: 135.2 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2742/0.2745, allocations: 106.4 MB / 0.9003 GB, free: 63.75 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD): time 0.01328/0.2879, allocations: 14.75 MB / 0.9147 GB, free: 48.96 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.008816/0.2967, allocations: 6.118 MB / 0.9207 GB, free: 42.82 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001681/0.2985, allocations: 39.88 kB / 0.9208 GB, free: 42.78 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008155/0.2993, allocations: 317.7 kB / 0.9211 GB, free: 42.47 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.002755/0.3021, allocations: 1.066 MB / 0.9221 GB, free: 41.4 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002287/0.3044, allocations: 0.7446 MB / 0.9228 GB, free: 40.65 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.005121/0.3095, allocations: 5.842 MB / 0.9285 GB, free: 34.8 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007565/0.3171, allocations: 5.962 MB / 0.9344 GB, free: 28.77 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002815/0.3199, allocations: 1.518 MB / 0.9358 GB, free: 27.25 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003571/0.3235, allocations: 2.376 MB / 0.9382 GB, free: 24.86 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.000484/0.324, allocations: 212 kB / 0.9384 GB, free: 24.66 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001891/0.3259, allocations: 0.6594 MB / 0.939 GB, free: 24 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.001539/0.3274, allocations: 1.696 MB / 0.9407 GB, free: 22.3 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.0008555/0.3283, allocations: 0.6055 MB / 0.9413 GB, free: 21.68 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.004678/0.333, allocations: 5.513 MB / 0.9466 GB, free: 16.16 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 6.332e-06/0.333, allocations: 4 kB / 0.9466 GB, free: 16.15 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.915e-06/0.333, allocations: 0 / 0.9466 GB, free: 16.15 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0001474/0.3332, allocations: 0 / 0.9466 GB, free: 16.15 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: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.005962/0.3392, allocations: 2.841 MB / 0.9494 GB, free: 13.25 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 5.795e-05/0.3392, allocations: 8.031 kB / 0.9494 GB, free: 13.24 MB / 0.6042 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008008/0.34, allocations: 488 kB / 0.9499 GB, free: 12.75 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01135/0.3514, allocations: 2.317 MB / 0.9522 GB, free: 10.43 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00543/0.3569, allocations: 1.935 MB / 0.954 GB, free: 8.449 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001815/0.3571, allocations: 234.1 kB / 0.9543 GB, free: 8.219 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009537/0.3581, allocations: 299.9 kB / 0.9546 GB, free: 7.926 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01295/0.371, allocations: 6.382 MB / 0.9608 GB, free: 1.43 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.575e-05/0.3712, allocations: 4 kB / 0.9608 GB, free: 1.426 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004212/0.3716, allocations: 128 kB / 0.9609 GB, free: 1.301 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004438/0.3721, allocations: 321.2 kB / 0.9612 GB, free: 0.9844 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01696/0.389, allocations: 6.547 MB / 0.9676 GB, free: 10.42 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03986/0.4289, allocations: 24.81 MB / 0.9918 GB, free: 15.55 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009829/0.4388, allocations: 5.407 MB / 0.9971 GB, free: 9.77 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006942/0.4458, allocations: 2.941 MB / 1 GB, free: 6.812 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003123/0.4462, allocations: 147 kB / 1 GB, free: 6.652 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.783e-05/0.4462, allocations: 68.45 kB / 1 GB, free: 6.574 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 4.077e-06/0.4462, allocations: 0 / 1 GB, free: 6.574 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=313): time 0.1416/0.5878, allocations: 39.48 MB / 1.039 GB, free: 15.04 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001606/0.588, allocations: 239.9 kB / 1.039 GB, free: 14.76 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001932/0.59, allocations: 1.225 MB / 1.04 GB, free: 13.52 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005885/0.5906, allocations: 81.7 kB / 1.04 GB, free: 13.43 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008271/0.5914, allocations: 1.231 MB / 1.041 GB, free: 12.18 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001211/0.5926, allocations: 1.047 MB / 1.042 GB, free: 11.12 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002334/0.5929, allocations: 64 kB / 1.043 GB, free: 11.05 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0002453/0.5931, allocations: 448.8 kB / 1.043 GB, free: 10.61 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006038/0.5992, allocations: 2.731 MB / 1.046 GB, free: 7.875 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007047/0.6062, allocations: 3.42 MB / 1.049 GB, free: 4.195 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007316/0.6136, allocations: 3.15 MB / 1.052 GB, free: 1.027 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.475e-05/0.6137, allocations: 4 kB / 1.052 GB, free: 1.023 MB / 0.698 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.5348/1.148, allocations: 10.98 MB / 1.063 GB, free: 138.2 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005197/1.149, allocations: 0.6293 MB / 1.063 GB, free: 137.5 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.735e-05/1.149, allocations: 18.23 kB / 1.063 GB, free: 137.5 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02539/1.175, allocations: 6.291 MB / 1.07 GB, free: 137.4 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004311/1.179, allocations: 0.9375 MB / 1.07 GB, free: 137.3 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04114/1.22, allocations: 26.36 MB / 1.096 GB, free: 123.7 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004008/1.224, allocations: 0.5303 MB / 1.097 GB, free: 123.2 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005207/1.225, allocations: 143.9 kB / 1.097 GB, free: 123 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.116e-05/1.225, allocations: 4 kB / 1.097 GB, free: 123 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 0.006144/1.231, allocations: 3.076 MB / 1.1 GB, free: 119.9 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated