Running command: translateModel(Buildings.Utilities.IO.Python27.Examples.KalmanFilter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Utilities.IO.Python27.Examples.KalmanFilter")
Notification: Performance of loadModel(Buildings): time 4.059/4.059, allocations: 432.8 MB / 444.9 MB, free: 15.71 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.862e-05/2.865e-05, allocations: 2.906 kB / 0.5337 GB, free: 12.24 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1735/0.1736, allocations: 98.72 MB / 0.6301 GB, free: 6.227 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.1993/0.3729, allocations: 128.6 MB / 0.7557 GB, free: 5.488 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002821/0.3732, allocations: 91.94 kB / 0.7557 GB, free: 5.398 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 0.02474/0.398, allocations: 5.862 MB / 0.7615 GB, free: 15.49 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.287e-06/0.398, allocations: 0 / 0.7615 GB, free: 15.49 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 1.609e-05/0.3981, allocations: 0 / 0.7615 GB, free: 15.49 MB / 0.6511 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 0.0008871/0.399, allocations: 497.8 kB / 0.7619 GB, free: 14.96 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 4.209e-05/0.399, allocations: 8.031 kB / 0.762 GB, free: 14.95 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.719e-05/0.3991, allocations: 23.77 kB / 0.762 GB, free: 14.93 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003304/0.3994, allocations: 214.8 kB / 0.7622 GB, free: 14.68 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.049e-05/0.3995, allocations: 11.98 kB / 0.7622 GB, free: 14.67 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.118e-05/0.3996, allocations: 16 kB / 0.7622 GB, free: 14.65 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003323/0.3999, allocations: 135.2 kB / 0.7623 GB, free: 14.51 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.005e-05/0.3999, allocations: 0 / 0.7623 GB, free: 14.51 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.799e-05/0.4, allocations: 11.98 kB / 0.7624 GB, free: 14.5 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.73e-06/0.4, allocations: 4 kB / 0.7624 GB, free: 14.49 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000184/0.4002, allocations: 59.97 kB / 0.7624 GB, free: 14.43 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation) <failed>: time 0.0001623/0.4003, allocations: 142.6 kB / 0.7625 GB, free: 14.27 MB / 0.6511 GB
Error: pre-optimization module removeSimpleEquations (simulation) failed.