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 1.528/1.528, allocations: 251.5 MB / 266.7 MB, free: 11.03 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009603/0.0009603, allocations: 172.9 kB / 325.8 MB, free: 2.688 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.515/1.515, allocations: 205 MB / 0.576 GB, free: 20.93 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007588/0.0007589, allocations: 92.98 kB / 0.6797 GB, free: 14.71 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003242/0.0003242, allocations: 13.25 kB / 0.7933 GB, free: 136.4 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1947/0.195, allocations: 105.4 MB / 0.8962 GB, free: 68.02 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01318/0.2082, allocations: 15.94 MB / 0.9118 GB, free: 52.02 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.008278/0.2166, allocations: 6.541 MB / 0.9182 GB, free: 45.46 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001256/0.2179, allocations: 43.88 kB / 0.9182 GB, free: 45.42 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.00231/0.2202, allocations: 1.023 MB / 0.9192 GB, free: 44.39 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003066/0.2233, allocations: 1.253 MB / 0.9205 GB, free: 43.13 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002362/0.2256, allocations: 1.139 MB / 0.9216 GB, free: 42 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.004972/0.2306, allocations: 7.645 MB / 0.929 GB, free: 34.34 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006679/0.2373, allocations: 6.251 MB / 0.9351 GB, free: 28.02 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00224/0.2396, allocations: 1.533 MB / 0.9366 GB, free: 26.48 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002413/0.242, allocations: 2.415 MB / 0.939 GB, free: 24.06 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004153/0.2425, allocations: 212 kB / 0.9392 GB, free: 23.85 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001754/0.2442, allocations: 1.15 MB / 0.9403 GB, free: 22.7 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.001183/0.2454, allocations: 1.707 MB / 0.942 GB, free: 20.99 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001372/0.2468, allocations: 1.59 MB / 0.9435 GB, free: 19.39 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.004355/0.2512, allocations: 6.452 MB / 0.9498 GB, free: 12.92 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 4.548e-06/0.2512, allocations: 0 / 0.9498 GB, free: 12.92 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 1.953e-06/0.2512, allocations: 0 / 0.9498 GB, free: 12.92 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0001464/0.2513, allocations: 3.938 kB / 0.9498 GB, free: 12.91 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 0.005329/0.2567, allocations: 2.837 MB / 0.9526 GB, free: 10.02 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.464e-05/0.2567, allocations: 12.03 kB / 0.9526 GB, free: 10 MB / 0.6042 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000686/0.2574, allocations: 496.5 kB / 0.9531 GB, free: 9.508 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01106/0.2685, allocations: 2.318 MB / 0.9554 GB, free: 7.184 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004056/0.2726, allocations: 1.979 MB / 0.9573 GB, free: 5.16 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001316/0.2728, allocations: 238.3 kB / 0.9575 GB, free: 4.926 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007266/0.2735, allocations: 304 kB / 0.9578 GB, free: 4.629 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01248/0.286, allocations: 6.434 MB / 0.9641 GB, free: 14.08 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.119e-05/0.2861, allocations: 3.938 kB / 0.9641 GB, free: 14.08 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004657/0.2866, allocations: 132 kB / 0.9642 GB, free: 13.95 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000436/0.287, allocations: 317.4 kB / 0.9645 GB, free: 13.64 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01393/0.301, allocations: 6.582 MB / 0.971 GB, free: 7.035 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03015/0.3312, allocations: 24.89 MB / 0.9953 GB, free: 12.08 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008374/0.3396, allocations: 5.419 MB / 1.001 GB, free: 6.309 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006485/0.3461, allocations: 2.916 MB / 1.003 GB, free: 3.363 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003632/0.3465, allocations: 139 kB / 1.004 GB, free: 3.211 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.028e-05/0.3466, allocations: 68.55 kB / 1.004 GB, free: 3.133 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 5.22e-06/0.3466, allocations: 0 / 1.004 GB, free: 3.133 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=313): time 0.1295/0.4761, allocations: 39.61 MB / 1.042 GB, free: 11.47 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001286/0.4763, allocations: 247.9 kB / 1.043 GB, free: 11.18 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001665/0.4779, allocations: 1.271 MB / 1.044 GB, free: 9.895 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005232/0.4785, allocations: 73.7 kB / 1.044 GB, free: 9.816 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007742/0.4793, allocations: 1.25 MB / 1.045 GB, free: 8.547 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009614/0.4802, allocations: 1.047 MB / 1.046 GB, free: 7.484 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003825/0.4806, allocations: 268.5 kB / 1.046 GB, free: 7.215 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 9.273e-05/0.4807, allocations: 301.1 kB / 1.047 GB, free: 6.918 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005537/0.4863, allocations: 2.746 MB / 1.049 GB, free: 4.168 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006122/0.4924, allocations: 3.435 MB / 1.053 GB, free: 484 kB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.4271/0.9195, allocations: 6.374 MB / 1.059 GB, free: 142.7 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.449e-05/0.9196, allocations: 8.656 kB / 1.059 GB, free: 142.7 MB / 0.698 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.03241/0.952, allocations: 11.02 MB / 1.07 GB, free: 141.4 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003866/0.9525, allocations: 0.6298 MB / 1.07 GB, free: 140.5 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.277e-05/0.9525, allocations: 17.78 kB / 1.07 GB, free: 140.5 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02223/0.9747, allocations: 6.293 MB / 1.076 GB, free: 139.7 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004594/0.9794, allocations: 0.932 MB / 1.077 GB, free: 139.7 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0383/1.018, allocations: 26.4 MB / 1.103 GB, free: 118.5 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003871/1.022, allocations: 0.5265 MB / 1.104 GB, free: 117.9 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003255/1.022, allocations: 143.9 kB / 1.104 GB, free: 117.8 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.062e-05/1.022, allocations: 4 kB / 1.104 GB, free: 117.8 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 0.005659/1.028, allocations: 3.089 MB / 1.107 GB, free: 114.7 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated