Running command: "" <> buildModelFMU(Buildings.Utilities.IO.Python27.Examples.KalmanFilter,fileNamePrefix="Buildings_5_0_1_Buildings_Utilities_IO_Python27_Examples_KalmanFilter",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.171/4.171, allocations: 403.3 MB / 415.4 MB, free: 13.01 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 4.026e-05/4.035e-05, allocations: 4 kB / 0.4991 GB, free: 13.36 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7852/0.7853, allocations: 92.68 MB / 0.5896 GB, free: 14.38 MB / 490.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.2305/1.016, allocations: 123.5 MB / 0.7102 GB, free: 2.73 MB / 0.5886 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003296/1.016, allocations: 87.94 kB / 0.7103 GB, free: 2.645 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 0.01835/1.035, allocations: 3.891 MB / 0.7141 GB, free: 14.71 MB / 0.6042 GB Notification: Performance of FrontEnd: time 2.565e-06/1.035, allocations: 0 / 0.7141 GB, free: 14.71 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 2.286e-05/1.035, allocations: 4 kB / 0.7141 GB, free: 14.71 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: 19 * Number of variables: 19 Notification: Performance of Generate backend data structure: time 0.001291/1.036, allocations: 458 kB / 0.7146 GB, free: 14.22 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 6.79e-05/1.036, allocations: 12.03 kB / 0.7146 GB, free: 14.21 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.96e-05/1.036, allocations: 34.56 kB / 0.7146 GB, free: 14.16 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.495e-05/1.036, allocations: 27.77 kB / 0.7146 GB, free: 14.14 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003246/1.037, allocations: 214.8 kB / 0.7148 GB, free: 13.89 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.603e-05/1.037, allocations: 8 kB / 0.7148 GB, free: 13.88 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.762e-05/1.037, allocations: 8 kB / 0.7149 GB, free: 13.87 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003636/1.037, allocations: 139.8 kB / 0.715 GB, free: 13.72 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.404e-05/1.037, allocations: 3.938 kB / 0.715 GB, free: 13.72 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.549e-05/1.037, allocations: 0 / 0.715 GB, free: 13.72 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.04e-05/1.037, allocations: 3.938 kB / 0.715 GB, free: 13.71 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002008/1.037, allocations: 59.98 kB / 0.7151 GB, free: 13.66 MB / 0.6042 GB Notification: Performance of preOpt removeSimpleEquations (simulation) : time 0.0001586/1.038, allocations: 142.7 kB / 0.7152 GB, free: 13.49 MB / 0.6042 GB Error: pre-optimization module removeSimpleEquations (simulation) failed.