Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.709/1.709, allocations: 289.7 MB / 302.2 MB, free: 2.137 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001123/0.001123, allocations: 175.8 kB / 371.6 MB, free: 3.418 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.709/1.709, allocations: 205.1 MB / 0.6309 GB, free: 11.76 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009263/0.0009265, allocations: 92.08 kB / 0.745 GB, free: 54.56 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 4.79e-05/4.844e-05, allocations: 4 kB / 0.8664 GB, free: 14.92 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2804/0.2805, allocations: 116.3 MB / 0.9799 GB, free: 10.46 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.048/1.329, allocations: 201.3 MB / 1.176 GB, free: 13.72 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003881/1.329, allocations: 117.6 kB / 1.177 GB, free: 13.65 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3883/1.717, allocations: 149.7 MB / 1.323 GB, free: 2.617 MB / 0.8855 GB Notification: Performance of FrontEnd: time 2.385e-06/1.717, allocations: 4 kB / 1.323 GB, free: 2.613 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 0.0001872/1.718, allocations: 75.98 kB / 1.323 GB, free: 2.539 MB / 0.8855 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01204/1.73, allocations: 2.972 MB / 1.326 GB, free: 15.51 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 6.129e-05/1.73, allocations: 12.03 kB / 1.326 GB, free: 15.5 MB / 0.9011 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002743/1.732, allocations: 0.5384 MB / 1.326 GB, free: 14.95 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01489/1.747, allocations: 2.231 MB / 1.328 GB, free: 12.71 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006765/1.754, allocations: 2.193 MB / 1.331 GB, free: 10.47 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002714/1.754, allocations: 267.1 kB / 1.331 GB, free: 10.21 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001829/1.756, allocations: 347.9 kB / 1.331 GB, free: 9.871 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01636/1.773, allocations: 6.021 MB / 1.337 GB, free: 3.75 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001178/1.773, allocations: 3.938 kB / 1.337 GB, free: 3.746 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009635/1.774, allocations: 148 kB / 1.337 GB, free: 3.602 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005742/1.774, allocations: 306.1 kB / 1.338 GB, free: 3.301 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01321/1.788, allocations: 5.43 MB / 1.343 GB, free: 13.86 MB / 0.9167 GB Warning: The model contains alias variables with conflicting start and/or nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04242/1.83, allocations: 26.79 MB / 1.369 GB, free: 0.8828 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.006714/1.837, allocations: 4.494 MB / 1.373 GB, free: 12.08 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003743/1.841, allocations: 2.052 MB / 1.375 GB, free: 10.02 MB / 0.948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002857/1.841, allocations: 131 kB / 1.376 GB, free: 9.867 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.595e-05/1.841, allocations: 60.5 kB / 1.376 GB, free: 9.801 MB / 0.948 GB Notification: Performance of pre-optimization done (n=208): time 4.419e-06/1.841, allocations: 0 / 1.376 GB, free: 9.801 MB / 0.948 GB Notification: Performance of matching and sorting (n=277): time 0.7707/2.612, allocations: 25.58 MB / 1.401 GB, free: 205.6 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001302/2.612, allocations: 239 kB / 1.401 GB, free: 205.4 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002754/2.615, allocations: 1.303 MB / 1.402 GB, free: 205.2 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 0.0007262/2.615, allocations: 73.33 kB / 1.402 GB, free: 205.2 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.001264/2.617, allocations: 1.503 MB / 1.404 GB, free: 204.6 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 0.001418/2.618, allocations: 0.9391 MB / 1.404 GB, free: 204 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002631/2.618, allocations: 65.62 kB / 1.405 GB, free: 204 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.000277/2.619, allocations: 439.9 kB / 1.405 GB, free: 203.7 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003248/2.622, allocations: 2.112 MB / 1.407 GB, free: 203.7 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00368/2.626, allocations: 3.01 MB / 1.41 GB, free: 202.7 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003688/2.629, allocations: 2.574 MB / 1.412 GB, free: 202.6 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.368e-05/2.629, allocations: 8.938 kB / 1.412 GB, free: 202.6 MB / 0.948 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.01524/2.645, allocations: 8.065 MB / 1.42 GB, free: 202.4 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.002343/2.647, allocations: 10.62 MB / 1.431 GB, free: 191.3 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.249e-05/2.647, allocations: 28.39 kB / 1.431 GB, free: 191.3 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0193/2.666, allocations: 5.73 MB / 1.436 GB, free: 191.3 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004139/2.671, allocations: 0.871 MB / 1.437 GB, free: 191.3 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02019/2.691, allocations: 14.58 MB / 1.451 GB, free: 189.3 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004653/2.696, allocations: 0.5353 MB / 1.452 GB, free: 189.3 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000684/2.696, allocations: 174.2 kB / 1.452 GB, free: 189.3 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.245e-05/2.696, allocations: 3.375 kB / 1.452 GB, free: 189.3 MB / 0.948 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.004157/2.7, allocations: 2.636 MB / 1.455 GB, free: 189.2 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated