Running command: translateModel(Buildings.Utilities.IO.Python36.Examples.KalmanFilter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Utilities.IO.Python36.Examples.KalmanFilter")
Notification: Performance of loadModel(Buildings): time 4.114/4.114, allocations: 464.7 MB / 476.8 MB, free: 2.223 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.408e-05/3.424e-05, allocations: 4 kB / 0.5731 GB, free: 5.77 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1968/0.1968, allocations: 107.2 MB / 0.6777 GB, free: 10.41 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7512/0.948, allocations: 136.7 MB / 0.8112 GB, free: 12.41 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003596/0.9485, allocations: 81.27 kB / 0.8113 GB, free: 12.41 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 0.02483/0.9733, allocations: 6.426 MB / 0.8176 GB, free: 11.71 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 2.957e-06/0.9734, allocations: 0 / 0.8176 GB, free: 11.71 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 1.878e-05/0.9734, allocations: 7.781 kB / 0.8176 GB, free: 11.71 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: 21
 * Number of variables: 21
Notification: Performance of Generate backend data structure: time 0.000752/0.9742, allocations: 0.4961 MB / 0.8181 GB, free: 11.28 MB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 3.737e-05/0.9742, allocations: 11.56 kB / 0.8181 GB, free: 11.28 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.849e-05/0.9743, allocations: 23.38 kB / 0.8181 GB, free: 11.26 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002409/0.9745, allocations: 224.6 kB / 0.8183 GB, free: 11.05 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.304e-05/0.9746, allocations: 10.36 kB / 0.8183 GB, free: 11.05 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.259e-05/0.9747, allocations: 18.81 kB / 0.8183 GB, free: 11.05 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002886/0.975, allocations: 145.5 kB / 0.8185 GB, free: 11 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.092e-05/0.975, allocations: 4 kB / 0.8185 GB, free: 10.99 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.464e-05/0.975, allocations: 7.219 kB / 0.8185 GB, free: 10.99 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.08e-06/0.975, allocations: 0 / 0.8185 GB, free: 10.99 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001621/0.9752, allocations: 61.02 kB / 0.8185 GB, free: 10.99 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation) <failed>: time 0.00012/0.9753, allocations: 157.2 kB / 0.8187 GB, free: 10.86 MB / 0.6355 GB
Error: pre-optimization module removeSimpleEquations (simulation) failed.