Running command: translateModel(Buildings.Utilities.IO.Python27.Examples.KalmanFilter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Utilities.IO.Python27.Examples.KalmanFilter")
Notification: Performance of loadModel(Buildings): time 3.651/3.651, allocations: 402.1 MB / 416 MB, free: 10.18 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.392e-05/2.418e-05, allocations: 4 kB / 0.5003 GB, free: 8.242 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1712/0.1712, allocations: 92.68 MB / 0.5908 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6781/0.8494, allocations: 123.5 MB / 0.7115 GB, free: 2.922 MB / 0.573 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002925/0.8497, allocations: 91.94 kB / 0.7115 GB, free: 2.832 MB / 0.573 GB
Notification: Performance of FrontEnd - DAE generated: time 0.03079/0.8806, allocations: 3.913 MB / 0.7154 GB, free: 14.89 MB / 0.5886 GB
Notification: Performance of FrontEnd: time 3.901e-06/0.8806, allocations: 4 kB / 0.7154 GB, free: 14.89 MB / 0.5886 GB
Notification: Performance of Transformations before backend: time 2.577e-05/0.8807, allocations: 0 / 0.7154 GB, free: 14.89 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 0.001537/0.8822, allocations: 458.9 kB / 0.7158 GB, free: 14.39 MB / 0.5886 GB
Notification: Performance of prepare preOptimizeDAE: time 6.896e-05/0.8823, allocations: 8.031 kB / 0.7158 GB, free: 14.39 MB / 0.5886 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001412/0.8825, allocations: 19.84 kB / 0.7158 GB, free: 14.37 MB / 0.5886 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005877/0.8831, allocations: 214.7 kB / 0.716 GB, free: 14.12 MB / 0.5886 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.387e-05/0.8832, allocations: 15.98 kB / 0.7161 GB, free: 14.1 MB / 0.5886 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 9.541e-05/0.8833, allocations: 12 kB / 0.7161 GB, free: 14.09 MB / 0.5886 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009946/0.8956, allocations: 149.7 kB / 0.7162 GB, free: 13.93 MB / 0.5886 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.078e-05/0.8956, allocations: 0 / 0.7162 GB, free: 13.93 MB / 0.5886 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.743e-05/0.8957, allocations: 0 / 0.7162 GB, free: 13.93 MB / 0.5886 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.604e-05/0.8957, allocations: 4 kB / 0.7162 GB, free: 13.93 MB / 0.5886 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006949/0.8964, allocations: 91.88 kB / 0.7163 GB, free: 13.84 MB / 0.5886 GB
Notification: Performance of preOpt removeSimpleEquations (simulation) <failed>: time 0.0003732/0.8968, allocations: 142.7 kB / 0.7164 GB, free: 13.68 MB / 0.5886 GB
Error: pre-optimization module removeSimpleEquations (simulation) failed.