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 3.853/3.853, allocations: 403.3 MB / 415.4 MB, free: 12.91 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 3.508e-05/3.531e-05, allocations: 0 / 0.4991 GB, free: 13.28 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6237/0.6238, allocations: 92.68 MB / 0.5896 GB, free: 14.47 MB / 490.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.2381/0.862, allocations: 123.5 MB / 0.7102 GB, free: 2.824 MB / 0.5886 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003308/0.8623, allocations: 83.95 kB / 0.7103 GB, free: 2.742 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 0.01919/0.8815, allocations: 3.891 MB / 0.7141 GB, free: 14.81 MB / 0.6042 GB Notification: Performance of FrontEnd: time 2.164e-06/0.8816, allocations: 0 / 0.7141 GB, free: 14.81 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 1.784e-05/0.8816, allocations: 0 / 0.7141 GB, free: 14.81 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 0.0009889/0.8826, allocations: 462 kB / 0.7145 GB, free: 14.32 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 5.345e-05/0.8827, allocations: 12.03 kB / 0.7145 GB, free: 14.3 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.395e-05/0.8828, allocations: 38.55 kB / 0.7146 GB, free: 14.26 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.669e-05/0.8829, allocations: 23.77 kB / 0.7146 GB, free: 14.23 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003536/0.8832, allocations: 210.8 kB / 0.7148 GB, free: 13.99 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.613e-05/0.8833, allocations: 8 kB / 0.7148 GB, free: 13.98 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.267e-05/0.8833, allocations: 12 kB / 0.7148 GB, free: 13.97 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004294/0.8838, allocations: 132.7 kB / 0.7149 GB, free: 13.83 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.626e-05/0.8838, allocations: 7.984 kB / 0.715 GB, free: 13.82 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.431e-05/0.8838, allocations: 3.938 kB / 0.715 GB, free: 13.82 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.976e-06/0.8839, allocations: 4 kB / 0.715 GB, free: 13.81 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002182/0.8841, allocations: 59.92 kB / 0.715 GB, free: 13.75 MB / 0.6042 GB Notification: Performance of preOpt removeSimpleEquations (simulation) : time 0.0001756/0.8843, allocations: 138.7 kB / 0.7152 GB, free: 13.59 MB / 0.6042 GB Error: pre-optimization module removeSimpleEquations (simulation) failed.