Running command: translateModel(Buildings.Obsolete.Utilities.IO.Python27.Examples.KalmanFilter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Obsolete.Utilities.IO.Python27.Examples.KalmanFilter")
Notification: Performance of loadModel(Buildings): time 4.028/4.028, allocations: 460.5 MB / 472.6 MB, free: 5.371 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.065e-05/3.112e-05, allocations: 4 kB / 0.5681 GB, free: 10.15 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1955/0.1956, allocations: 106.2 MB / 0.6718 GB, free: 15.75 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6909/0.8865, allocations: 136.4 MB / 0.8051 GB, free: 12.59 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002272/0.8868, allocations: 94.06 kB / 0.8052 GB, free: 12.59 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 0.02339/0.9102, allocations: 6.425 MB / 0.8114 GB, free: 11.88 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 2.108e-06/0.9102, allocations: 3.844 kB / 0.8114 GB, free: 11.88 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 1.538e-05/0.9103, allocations: 0 / 0.8114 GB, free: 11.88 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 0.0007261/0.911, allocations: 0.4961 MB / 0.8119 GB, free: 11.45 MB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 4.135e-05/0.9111, allocations: 11.5 kB / 0.8119 GB, free: 11.45 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.324e-05/0.9111, allocations: 15.61 kB / 0.8119 GB, free: 11.45 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.000243/0.9114, allocations: 221.5 kB / 0.8122 GB, free: 11.23 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.812e-05/0.9114, allocations: 11.25 kB / 0.8122 GB, free: 11.23 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 3.904e-05/0.9115, allocations: 13.38 kB / 0.8122 GB, free: 11.23 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002661/0.9118, allocations: 133.1 kB / 0.8123 GB, free: 11.18 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.074e-05/0.9118, allocations: 0 / 0.8123 GB, free: 11.18 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.212e-05/0.9118, allocations: 6.766 kB / 0.8123 GB, free: 11.18 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.839e-06/0.9118, allocations: 3.875 kB / 0.8123 GB, free: 11.18 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001522/0.912, allocations: 57.88 kB / 0.8124 GB, free: 11.18 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation) <failed>: time 0.0001084/0.9121, allocations: 144.4 kB / 0.8125 GB, free: 11.05 MB / 0.6355 GB
Error: pre-optimization module removeSimpleEquations (simulation) failed.