Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD.conf.json 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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.235/2.235, allocations: 248.5 MB / 261 MB, free: 5.992 MB / 202.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001472/0.001472, allocations: 179.5 kB / 320.4 MB, free: 15.34 MB / 266.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.908/1.908, allocations: 205.2 MB / 0.571 GB, free: 11.8 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001164/0.001164, allocations: 105.5 kB / 0.6754 GB, free: 0.8945 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 3.948e-05/3.95e-05, allocations: 4 kB / 0.787 GB, free: 97.76 MB / 0.5417 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2065/0.2066, allocations: 106.2 MB / 0.8907 GB, free: 7.414 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9817/1.188, allocations: 192.6 MB / 1.079 GB, free: 8.789 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004882/1.189, allocations: 116 kB / 1.079 GB, free: 8.723 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.5506/1.739, allocations: 124.1 MB / 1.2 GB, free: 2.543 MB / 0.8073 GB Notification: Performance of FrontEnd: time 2.565e-06/1.74, allocations: 0 / 1.2 GB, free: 2.543 MB / 0.8073 GB Notification: Performance of Transformations before backend: time 0.0001943/1.74, allocations: 68 kB / 1.2 GB, free: 2.477 MB / 0.8073 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 0.01226/1.752, allocations: 2.701 MB / 1.203 GB, free: 15.72 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 5.818e-05/1.752, allocations: 12.03 kB / 1.203 GB, free: 15.71 MB / 0.823 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002221/1.754, allocations: 496.3 kB / 1.203 GB, free: 15.21 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0224/1.777, allocations: 2.083 MB / 1.205 GB, free: 13.12 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007307/1.784, allocations: 2.009 MB / 1.207 GB, free: 11.07 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000368/1.785, allocations: 226.2 kB / 1.207 GB, free: 10.84 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001745/1.786, allocations: 311.9 kB / 1.208 GB, free: 10.54 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01896/1.805, allocations: 5.343 MB / 1.213 GB, free: 5.086 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001412/1.805, allocations: 3.938 kB / 1.213 GB, free: 5.082 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001296/1.807, allocations: 135.9 kB / 1.213 GB, free: 4.949 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000987/1.808, allocations: 289.3 kB / 1.213 GB, free: 4.664 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01795/1.826, allocations: 5.027 MB / 1.218 GB, free: 15.62 MB / 0.8386 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05578/1.882, allocations: 24.84 MB / 1.243 GB, free: 4.715 MB / 0.8542 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01185/1.894, allocations: 4.966 MB / 1.247 GB, free: 15.4 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007091/1.901, allocations: 2.321 MB / 1.25 GB, free: 13.06 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005643/1.901, allocations: 135 kB / 1.25 GB, free: 12.91 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.041e-05/1.901, allocations: 68.45 kB / 1.25 GB, free: 12.83 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=230): time 5.45e-06/1.901, allocations: 0 / 1.25 GB, free: 12.83 MB / 0.8698 GB Notification: Performance of matching and sorting (n=311): time 0.8506/2.752, allocations: 30.98 MB / 1.28 GB, free: 243.6 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001146/2.752, allocations: 248.6 kB / 1.28 GB, free: 243.4 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003016/2.755, allocations: 1.148 MB / 1.281 GB, free: 243.2 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.0009045/2.756, allocations: 75.73 kB / 1.282 GB, free: 243.2 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001225/2.757, allocations: 1.254 MB / 1.283 GB, free: 242.7 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001899/2.759, allocations: 1.042 MB / 1.284 GB, free: 242.1 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006029/2.76, allocations: 67.34 kB / 1.284 GB, free: 242.1 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.000334/2.76, allocations: 444.8 kB / 1.284 GB, free: 241.7 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006797/2.767, allocations: 2.237 MB / 1.286 GB, free: 241.7 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007997/2.775, allocations: 2.921 MB / 1.289 GB, free: 241 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007944/2.783, allocations: 2.659 MB / 1.292 GB, free: 241 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.785e-05/2.783, allocations: 6.062 kB / 1.292 GB, free: 241 MB / 0.8698 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.03237/2.816, allocations: 8.423 MB / 1.3 GB, free: 240.7 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 0.001795/2.818, allocations: 7.314 MB / 1.307 GB, free: 233.1 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001167/2.818, allocations: 18.41 kB / 1.307 GB, free: 233.1 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04442/2.862, allocations: 6.761 MB / 1.314 GB, free: 233 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007117/2.869, allocations: 0.8222 MB / 1.315 GB, free: 233 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05143/2.921, allocations: 16.65 MB / 1.331 GB, free: 228.4 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01076/2.932, allocations: 0.5095 MB / 1.331 GB, free: 228.4 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001612/2.933, allocations: 179 kB / 1.332 GB, free: 228.3 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 2.2e-05/2.933, allocations: 6.75 kB / 1.332 GB, free: 228.3 MB / 0.8698 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 0.01253/2.946, allocations: 2.706 MB / 1.334 GB, free: 227.3 MB / 0.8698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated