Running command: translateModel(Buildings.Obsolete.Utilities.IO.Python27.Examples.KalmanFilter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Obsolete.Utilities.IO.Python27.Examples.KalmanFilter")
Notification: Performance of loadModel(Buildings): time 3.995/3.995, allocations: 464.6 MB / 476.8 MB, free: 2.125 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.544e-05/3.554e-05, allocations: 4 kB / 0.5731 GB, free: 5.723 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1977/0.1978, allocations: 107.2 MB / 0.6778 GB, free: 10.37 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6955/0.8933, allocations: 136.8 MB / 0.8114 GB, free: 12.45 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002287/0.8936, allocations: 89.73 kB / 0.8114 GB, free: 12.45 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 0.02383/0.9174, allocations: 6.423 MB / 0.8177 GB, free: 11.75 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 1.988e-06/0.9175, allocations: 0 / 0.8177 GB, free: 11.75 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 1.779e-05/0.9175, allocations: 7.812 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: 19
 * Number of variables: 19
Notification: Performance of Generate backend data structure: time 0.000697/0.9182, allocations: 0.4921 MB / 0.8182 GB, free: 11.32 MB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 3.595e-05/0.9183, allocations: 11.56 kB / 0.8182 GB, free: 11.32 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.201e-05/0.9183, allocations: 15.5 kB / 0.8182 GB, free: 11.32 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002255/0.9186, allocations: 223.7 kB / 0.8184 GB, free: 11.11 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.631e-05/0.9186, allocations: 13.31 kB / 0.8185 GB, free: 11.1 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.196e-05/0.9187, allocations: 15 kB / 0.8185 GB, free: 11.1 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002664/0.919, allocations: 124.6 kB / 0.8186 GB, free: 11.05 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.978e-06/0.919, allocations: 0 / 0.8186 GB, free: 11.05 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.417e-05/0.919, allocations: 10.17 kB / 0.8186 GB, free: 11.05 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.991e-06/0.919, allocations: 10.52 kB / 0.8186 GB, free: 11.04 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001554/0.9192, allocations: 56.58 kB / 0.8187 GB, free: 11.04 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation) <failed>: time 0.0001184/0.9193, allocations: 146.6 kB / 0.8188 GB, free: 10.91 MB / 0.6355 GB
Error: pre-optimization module removeSimpleEquations (simulation) failed.