Warning: Requested package Modelica of version 3.2.2, but this package was already loaded with version 3.2.1. You might experience problems if these versions are incompatible. Notification: Performance of loadModel(Buildings): time 2.646/2.646, allocations: 318.2 MB / 323.4 MB, free: 13.28 MB / 264.6 MB Notification: Performance of FrontEnd - loaded program: time 0.2028/2.849, allocations: 75.15 MB / 398.6 MB, free: 2.062 MB / 328.6 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3467/3.196, allocations: 72.82 MB / 471.4 MB, free: 1.852 MB / 376.6 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1978/3.394, allocations: 108 MB / 0.5658 GB, free: 5.699 MB / 488.6 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000353/3.394, allocations: 92.16 kB / 0.5659 GB, free: 5.605 MB / 488.6 MB Notification: Performance of Generate backend data structure: time 0.01908/3.413, allocations: 4.038 MB / 0.5698 GB, free: 1.492 MB / 488.6 MB Notification: Performance of prepare preOptimizeDAE: time 3.731e-05/3.413, allocations: 8 kB / 0.5698 GB, free: 1.484 MB / 488.6 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 9.023e-05/3.413, allocations: 23.8 kB / 0.5699 GB, free: 1.461 MB / 488.6 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003308/3.414, allocations: 206.9 kB / 0.5701 GB, free: 1.219 MB / 488.6 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.427e-05/3.414, allocations: 4 kB / 0.5701 GB, free: 1.215 MB / 488.6 MB Notification: Performance of preOpt expandDerOperator (simulation): time 5.3e-05/3.414, allocations: 15.98 kB / 0.5701 GB, free: 1.199 MB / 488.6 MB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.0002155/3.414, allocations: 55.92 kB / 0.5701 GB, free: 1.145 MB / 488.6 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003156/3.414, allocations: 123.3 kB / 0.5703 GB, free: 1.012 MB / 488.6 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.217e-05/3.414, allocations: 3.984 kB / 0.5703 GB, free: 1.008 MB / 488.6 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.64e-05/3.415, allocations: 7.906 kB / 0.5703 GB, free: 1 MB / 488.6 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.272e-06/3.415, allocations: 0 / 0.5703 GB, free: 1 MB / 488.6 MB Notification: Performance of preOpt removeSimpleEquations (simulation) : time 0.000164/3.415, allocations: 146.7 kB / 0.5704 GB, free: 0.832 MB / 488.6 MB Error: pre-optimization module removeSimpleEquations (simulation) failed. Error: Internal error SimCode: The model Buildings.Utilities.IO.Python27.Examples.KalmanFilter could not be translated to FMU