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 1.605/1.605, allocations: 285.4 MB / 298 MB, free: 5.965 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001459/0.001458, allocations: 180.8 kB / 366.4 MB, free: 2.066 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.84/1.84, allocations: 205.1 MB / 0.6248 GB, free: 7.711 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008749/0.0008748, allocations: 88.67 kB / 0.738 GB, free: 40.25 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 4.324e-05/4.334e-05, allocations: 4 kB / 0.8584 GB, free: 12.94 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7705/0.7706, allocations: 115.3 MB / 0.971 GB, free: 77.87 MB / 0.6667 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3001/1.071, allocations: 198.4 MB / 1.165 GB, free: 1.289 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003766/1.071, allocations: 111.9 kB / 1.165 GB, free: 1.18 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 1.105/2.176, allocations: 123.4 MB / 1.285 GB, free: 204 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 3.948e-06/2.176, allocations: 0 / 1.285 GB, free: 204 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0002343/2.177, allocations: 65.03 kB / 1.285 GB, free: 204 MB / 0.8542 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 0.0128/2.189, allocations: 2.681 MB / 1.288 GB, free: 202.8 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 5.668e-05/2.19, allocations: 9.875 kB / 1.288 GB, free: 202.8 MB / 0.8542 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002522/2.192, allocations: 490.6 kB / 1.289 GB, free: 202.8 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01624/2.208, allocations: 2.085 MB / 1.291 GB, free: 202.6 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009402/2.218, allocations: 1.996 MB / 1.292 GB, free: 202.1 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005037/2.218, allocations: 230.1 kB / 1.293 GB, free: 202.1 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002537/2.221, allocations: 302.2 kB / 1.293 GB, free: 202.1 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01676/2.238, allocations: 5.32 MB / 1.298 GB, free: 201.8 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.799e-05/2.238, allocations: 6.594 kB / 1.298 GB, free: 201.8 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005226/2.238, allocations: 124.7 kB / 1.298 GB, free: 201.8 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000694/2.239, allocations: 281.3 kB / 1.299 GB, free: 201.8 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01346/2.253, allocations: 5.013 MB / 1.303 GB, free: 201.7 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0476/2.3, allocations: 24.76 MB / 1.328 GB, free: 184.1 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008479/2.309, allocations: 4.982 MB / 1.333 GB, free: 181 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004207/2.313, allocations: 2.305 MB / 1.335 GB, free: 180.2 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004308/2.314, allocations: 142.4 kB / 1.335 GB, free: 180.1 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.058e-05/2.314, allocations: 62.91 kB / 1.335 GB, free: 180 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 7.645e-06/2.314, allocations: 0 / 1.335 GB, free: 180 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=311): time 0.1146/2.428, allocations: 30.94 MB / 1.365 GB, free: 174 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000102/2.428, allocations: 250.6 kB / 1.365 GB, free: 173.8 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001895/2.43, allocations: 1.112 MB / 1.367 GB, free: 173.3 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008198/2.431, allocations: 76.73 kB / 1.367 GB, free: 173.3 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006738/2.432, allocations: 1.233 MB / 1.368 GB, free: 172.3 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001215/2.433, allocations: 1.041 MB / 1.369 GB, free: 171.5 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003467/2.433, allocations: 66.62 kB / 1.369 GB, free: 171.4 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0001976/2.434, allocations: 442.3 kB / 1.369 GB, free: 171.1 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003068/2.437, allocations: 2.231 MB / 1.371 GB, free: 170.1 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003521/2.44, allocations: 2.937 MB / 1.374 GB, free: 167.2 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003478/2.444, allocations: 2.653 MB / 1.377 GB, free: 165 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.457e-05/2.444, allocations: 4 kB / 1.377 GB, free: 165 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01499/2.459, allocations: 8.417 MB / 1.385 GB, free: 158 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00199/2.461, allocations: 7.32 MB / 1.392 GB, free: 150.1 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.253e-05/2.461, allocations: 16 kB / 1.392 GB, free: 150.1 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02374/2.485, allocations: 6.755 MB / 1.399 GB, free: 143.3 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004312/2.489, allocations: 0.8228 MB / 1.4 GB, free: 142.5 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02284/2.512, allocations: 16.66 MB / 1.416 GB, free: 125.6 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005096/2.517, allocations: 0.5107 MB / 1.416 GB, free: 125.1 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008692/2.518, allocations: 183.9 kB / 1.417 GB, free: 124.9 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.623e-05/2.518, allocations: 5.594 kB / 1.417 GB, free: 124.9 MB / 0.8542 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.004409/2.522, allocations: 2.703 MB / 1.419 GB, free: 122.2 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated