Running command: translateModel(OpenHPL.Tests.HPSTAirCushion,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSTAirCushion") Notification: Performance of loadModel(OpenHPL): time 2.268/2.268, allocations: 258 MB / 271.8 MB, free: 13.56 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 3.655e-05/3.666e-05, allocations: 4 kB / 335.7 MB, free: 2.043 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1047/0.1047, allocations: 60.26 MB / 396 MB, free: 5.66 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.4347/0.5394, allocations: 96.29 MB / 492.3 MB, free: 3.551 MB / 394.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002653/0.5397, allocations: 91.14 kB / 492.3 MB, free: 3.504 MB / 394.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.0642/0.604, allocations: 14.03 MB / 0.4945 GB, free: 7.359 MB / 410.7 MB Notification: Performance of FrontEnd: time 2.915e-06/0.604, allocations: 0 / 0.4945 GB, free: 7.359 MB / 410.7 MB Notification: Performance of Transformations before backend: time 5.381e-05/0.6041, allocations: 16 kB / 0.4945 GB, free: 7.344 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 121 * Number of variables: 121 Notification: Performance of Generate backend data structure: time 0.002265/0.6064, allocations: 0.8803 MB / 0.4954 GB, free: 6.414 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.244e-05/0.6064, allocations: 8.031 kB / 0.4954 GB, free: 6.406 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003768/0.6068, allocations: 75.16 kB / 0.4955 GB, free: 6.332 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001321/0.6081, allocations: 428.6 kB / 0.4959 GB, free: 5.875 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.091e-05/0.6082, allocations: 37 kB / 0.4959 GB, free: 5.836 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002001/0.6085, allocations: 52 kB / 0.496 GB, free: 5.785 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001507/0.61, allocations: 0.5137 MB / 0.4965 GB, free: 5.262 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.723e-05/0.61, allocations: 0 / 0.4965 GB, free: 5.262 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.574e-05/0.6101, allocations: 20 kB / 0.4965 GB, free: 5.242 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.066e-05/0.6102, allocations: 15.98 kB / 0.4965 GB, free: 5.227 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001424/0.6116, allocations: 471.7 kB / 0.4969 GB, free: 4.762 MB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005441/0.6171, allocations: 1.631 MB / 0.4985 GB, free: 3.07 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002161/0.6193, allocations: 0.5276 MB / 0.4991 GB, free: 2.535 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001139/0.6204, allocations: 0.8588 MB / 0.4999 GB, free: 1.492 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.829e-05/0.6205, allocations: 39 kB / 0.4999 GB, free: 1.445 MB / 410.7 MB Notification: Performance of pre-optimization done (n=51): time 3.564e-06/0.6205, allocations: 0 / 0.4999 GB, free: 1.445 MB / 410.7 MB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!