Running command: "" <> buildModelFMU(Buildings.Obsolete.Utilities.IO.Python27.Examples.KalmanFilter,fileNamePrefix="Buildings_latest_Buildings_Obsolete_Utilities_IO_Python27_Examples_KalmanFilter",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.383/4.383, allocations: 464.6 MB / 476.8 MB, free: 2.137 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.708e-05/3.7e-05, allocations: 4 kB / 0.5732 GB, free: 5.637 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2558/0.2558, allocations: 107.1 MB / 0.6778 GB, free: 10.3 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.008/1.264, allocations: 136.8 MB / 0.8114 GB, free: 12.37 MB / 0.6355 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002857/1.264, allocations: 89.58 kB / 0.8115 GB, free: 12.37 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 0.02689/1.291, allocations: 6.437 MB / 0.8178 GB, free: 11.67 MB / 0.6355 GB Notification: Performance of FrontEnd: time 2.144e-06/1.291, allocations: 0 / 0.8178 GB, free: 11.67 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 1.919e-05/1.291, allocations: 3.875 kB / 0.8178 GB, free: 11.67 MB / 0.6355 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 0.0009674/1.292, allocations: 0.4998 MB / 0.8183 GB, free: 11.24 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 5.124e-05/1.292, allocations: 10.5 kB / 0.8183 GB, free: 11.24 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.34e-05/1.292, allocations: 44.36 kB / 0.8184 GB, free: 11.2 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.872e-05/1.292, allocations: 19.31 kB / 0.8184 GB, free: 11.19 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002827/1.293, allocations: 215.3 kB / 0.8186 GB, free: 10.98 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.898e-05/1.293, allocations: 10.62 kB / 0.8186 GB, free: 10.98 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.788e-05/1.293, allocations: 13.64 kB / 0.8186 GB, free: 10.98 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003124/1.293, allocations: 138.6 kB / 0.8187 GB, free: 10.93 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.163e-05/1.293, allocations: 3.953 kB / 0.8187 GB, free: 10.92 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.275e-05/1.293, allocations: 0 / 0.8187 GB, free: 10.92 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.033e-06/1.293, allocations: 3.875 kB / 0.8187 GB, free: 10.92 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001822/1.293, allocations: 53.7 kB / 0.8188 GB, free: 10.92 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation) : time 0.0001237/1.293, allocations: 148.1 kB / 0.8189 GB, free: 10.79 MB / 0.6355 GB Error: pre-optimization module removeSimpleEquations (simulation) failed.