Running command: "" <> buildModelFMU(Buildings.Utilities.IO.Python36.Examples.KalmanFilter,fileNamePrefix="Buildings_latest_Buildings_Utilities_IO_Python36_Examples_KalmanFilter",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.814/4.814, allocations: 464.6 MB / 476.8 MB, free: 2.199 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.879e-05/3.885e-05, allocations: 4 kB / 0.5732 GB, free: 5.629 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2447/0.2447, allocations: 107.2 MB / 0.6778 GB, free: 10.28 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.8972/1.142, allocations: 136.7 MB / 0.8113 GB, free: 12.45 MB / 0.6355 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.00031/1.142, allocations: 83.5 kB / 0.8114 GB, free: 12.45 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 0.0276/1.17, allocations: 6.425 MB / 0.8177 GB, free: 11.76 MB / 0.6355 GB Notification: Performance of FrontEnd: time 2.174e-06/1.17, allocations: 0 / 0.8177 GB, free: 11.76 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 2.227e-05/1.17, allocations: 7.781 kB / 0.8177 GB, free: 11.75 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: 21 * Number of variables: 21 Notification: Performance of Generate backend data structure: time 0.001056/1.171, allocations: 0.4982 MB / 0.8182 GB, free: 11.32 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 4.857e-05/1.171, allocations: 11.5 kB / 0.8182 GB, free: 11.32 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.162e-05/1.171, allocations: 43.66 kB / 0.8182 GB, free: 11.28 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.853e-05/1.171, allocations: 15.53 kB / 0.8182 GB, free: 11.27 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003079/1.172, allocations: 229.4 kB / 0.8184 GB, free: 11.05 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.045e-05/1.172, allocations: 13.92 kB / 0.8185 GB, free: 11.05 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.343e-05/1.172, allocations: 14.66 kB / 0.8185 GB, free: 11.05 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003563/1.172, allocations: 140.4 kB / 0.8186 GB, free: 11 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.427e-05/1.172, allocations: 0 / 0.8186 GB, free: 11 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.781e-05/1.172, allocations: 10.06 kB / 0.8186 GB, free: 11 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.253e-06/1.172, allocations: 3.969 kB / 0.8186 GB, free: 11 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001949/1.172, allocations: 54.67 kB / 0.8187 GB, free: 11 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation) : time 0.0001453/1.173, allocations: 158.8 kB / 0.8188 GB, free: 10.87 MB / 0.6355 GB Error: pre-optimization module removeSimpleEquations (simulation) failed.