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={"dynamic"}) Notification: Performance of loadModel(Buildings): time 4.782/4.782, allocations: 404.1 MB / 411.3 MB, free: 440 kB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 2.743e-05/2.757e-05, allocations: 2.5 kB / 0.4945 GB, free: 1.316 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7605/0.7606, allocations: 92.68 MB / 0.585 GB, free: 2.301 MB / 474.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.2631/1.024, allocations: 122.8 MB / 0.705 GB, free: 7.328 MB / 0.5886 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003696/1.024, allocations: 83.94 kB / 0.7051 GB, free: 7.246 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 0.02241/1.047, allocations: 3.879 MB / 0.7088 GB, free: 3.328 MB / 0.5886 GB Notification: Performance of FrontEnd: time 1.734e-06/1.047, allocations: 3.938 kB / 0.7088 GB, free: 3.324 MB / 0.5886 GB Notification: Performance of Transformations before backend: time 1.814e-05/1.047, allocations: 0 / 0.7088 GB, free: 3.324 MB / 0.5886 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 0.001038/1.048, allocations: 450.1 kB / 0.7093 GB, free: 2.84 MB / 0.5886 GB Notification: Performance of prepare preOptimizeDAE: time 5.446e-05/1.048, allocations: 16.03 kB / 0.7093 GB, free: 2.824 MB / 0.5886 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.949e-05/1.048, allocations: 23.75 kB / 0.7093 GB, free: 2.801 MB / 0.5886 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003699/1.048, allocations: 211.8 kB / 0.7095 GB, free: 2.555 MB / 0.5886 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.674e-05/1.048, allocations: 4 kB / 0.7095 GB, free: 2.551 MB / 0.5886 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.335e-05/1.048, allocations: 11.98 kB / 0.7095 GB, free: 2.539 MB / 0.5886 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.0002392/1.049, allocations: 47.98 kB / 0.7096 GB, free: 2.492 MB / 0.5886 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003628/1.049, allocations: 124 kB / 0.7097 GB, free: 2.359 MB / 0.5886 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.488e-05/1.049, allocations: 3.938 kB / 0.7097 GB, free: 2.355 MB / 0.5886 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.063e-05/1.049, allocations: 8 kB / 0.7097 GB, free: 2.348 MB / 0.5886 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.118e-06/1.049, allocations: 4 kB / 0.7097 GB, free: 2.344 MB / 0.5886 GB Notification: Performance of preOpt removeSimpleEquations (simulation) : time 0.0001787/1.049, allocations: 138.7 kB / 0.7098 GB, free: 2.184 MB / 0.5886 GB Error: pre-optimization module removeSimpleEquations (simulation) failed.