Running command: translateModel(OpenHPL.Tests.HPDraftTube,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPDraftTube") Notification: Performance of loadModel(OpenHPL): time 2.278/2.278, allocations: 258 MB / 271.8 MB, free: 13.55 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 3.911e-05/3.92e-05, allocations: 4 kB / 335.7 MB, free: 2.023 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1063/0.1063, allocations: 60.24 MB / 396 MB, free: 5.652 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.4786/0.5849, allocations: 99.09 MB / 495.1 MB, free: 0.8516 MB / 394.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003711/0.5854, allocations: 94.64 kB / 495.1 MB, free: 0.8008 MB / 394.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.1522/0.7376, allocations: 34.51 MB / 0.5172 GB, free: 48 kB / 426.7 MB Notification: Performance of FrontEnd: time 2.234e-06/0.7376, allocations: 0 / 0.5172 GB, free: 48 kB / 426.7 MB Notification: Performance of Transformations before backend: time 0.0001452/0.7378, allocations: 39.98 kB / 0.5173 GB, free: 8 kB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 379 * Number of variables: 379 Notification: Performance of Generate backend data structure: time 0.005672/0.7435, allocations: 1.905 MB / 0.5191 GB, free: 14.05 MB / 442.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.496e-05/0.7435, allocations: 8.031 kB / 0.5191 GB, free: 14.04 MB / 442.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001284/0.7448, allocations: 241.3 kB / 0.5194 GB, free: 13.8 MB / 442.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002587/0.7474, allocations: 0.9064 MB / 0.5203 GB, free: 12.84 MB / 442.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001473/0.7476, allocations: 118.9 kB / 0.5204 GB, free: 12.73 MB / 442.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004713/0.7481, allocations: 159.9 kB / 0.5205 GB, free: 12.57 MB / 442.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004956/0.7531, allocations: 1.59 MB / 0.5221 GB, free: 10.91 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.439e-05/0.7532, allocations: 3.938 kB / 0.5221 GB, free: 10.91 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002781/0.7535, allocations: 64 kB / 0.5221 GB, free: 10.84 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.26e-05/0.7535, allocations: 44.5 kB / 0.5222 GB, free: 10.8 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00471/0.7583, allocations: 1.417 MB / 0.5236 GB, free: 9.383 MB / 442.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01529/0.7736, allocations: 5.444 MB / 0.5289 GB, free: 3.812 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.006753/0.7804, allocations: 1.691 MB / 0.5305 GB, free: 2.082 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001247/0.7817, allocations: 0.8714 MB / 0.5314 GB, free: 1.027 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.215e-05/0.7818, allocations: 51.88 kB / 0.5314 GB, free: 0.9688 MB / 442.7 MB Notification: Performance of pre-optimization done (n=155): time 5.708e-06/0.7818, allocations: 0 / 0.5314 GB, free: 0.9688 MB / 442.7 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!