Running command: translateModel(IndustrialControlSystems.Applications.ControlProblems.PI_ContinuousVsDigital,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.PI_ContinuousVsDigital") Notification: Performance of loadModel(IndustrialControlSystems): time 2.017/2.017, allocations: 216.8 MB / 229 MB, free: 15.19 MB / 202.7 MB Notification: Performance of FrontEnd - loaded program: time 2.998e-05/3.009e-05, allocations: 4 kB / 281.9 MB, free: 10.98 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.08771/0.08776, allocations: 49.99 MB / 331.9 MB, free: 8.883 MB / 282.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3519/0.4397, allocations: 81.25 MB / 413.1 MB, free: 15.28 MB / 346.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002314/0.44, allocations: 76.08 kB / 413.2 MB, free: 15.23 MB / 346.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.03084/0.4708, allocations: 7.366 MB / 420.6 MB, free: 8.824 MB / 346.7 MB Notification: Performance of FrontEnd: time 1.985e-06/0.4709, allocations: 4 kB / 420.6 MB, free: 8.82 MB / 346.7 MB Notification: Performance of Transformations before backend: time 5.878e-05/0.4709, allocations: 16 kB / 420.6 MB, free: 8.805 MB / 346.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.001869/0.4728, allocations: 0.8639 MB / 421.5 MB, free: 7.926 MB / 346.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.268e-05/0.4729, allocations: 12.03 kB / 421.5 MB, free: 7.914 MB / 346.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002273/0.4731, allocations: 75.16 kB / 421.5 MB, free: 7.84 MB / 346.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001494/0.4746, allocations: 0.5125 MB / 422 MB, free: 7.336 MB / 346.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001038/0.4748, allocations: 69.33 kB / 422.1 MB, free: 7.277 MB / 346.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001355/0.4749, allocations: 62.41 kB / 422.2 MB, free: 7.23 MB / 346.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001326/0.4762, allocations: 0.6344 MB / 422.8 MB, free: 6.719 MB / 346.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.547e-05/0.4763, allocations: 7.938 kB / 422.8 MB, free: 6.711 MB / 346.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.134e-05/0.4764, allocations: 21.5 kB / 422.8 MB, free: 6.703 MB / 346.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.669e-05/0.4764, allocations: 12 kB / 422.9 MB, free: 6.691 MB / 346.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009147/0.4773, allocations: 384.5 kB / 423.2 MB, free: 6.434 MB / 346.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003976/0.4813, allocations: 1.776 MB / 425 MB, free: 4.898 MB / 346.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001047/0.4824, allocations: 455.6 kB / 425.4 MB, free: 4.641 MB / 346.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005275/0.483, allocations: 333.8 kB / 425.8 MB, free: 4.488 MB / 346.7 MB Notification: Performance of preOpt evalFunc (simulation): time 4.115e-05/0.4831, allocations: 7.984 kB / 425.8 MB, free: 4.48 MB / 346.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006362/0.4837, allocations: 303.9 kB / 426.1 MB, free: 4.238 MB / 346.7 MB Notification: Performance of pre-optimization done (n=51): time 4.955e-06/0.4837, allocations: 4 kB / 426.1 MB, free: 4.234 MB / 346.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:332:7-332:48:writable] Error: Internal error BackendDAETransform.analyseStrongComponentBlock failed (Purely discrete algebraic loops cannot be solved by iterative processes. Try to break them open using the delay() operator.) R_disc.cs R_disc.satin R_disc.satDiff R_disc.Iaction when $whenCondition2 then R_disc.satin := R_disc.Iaction + R_disc.Paction + R_disc.Daction; end when; when $whenCondition2 then R_disc.Iaction := IndustrialControlSystems.LinearSystems.Discrete.Functions.fIntegrator(1.0, 2.0 * (R_disc.SP - R_disc.PV) + 0.01 * R_disc.satDiff, 2.0 * (pre(R_disc.SP) - pre(R_disc.PV)) + 0.01 * pre(R_disc.satDiff), pre(R_disc.Iaction), 0.01, 1.0); end when; when $whenCondition2 then R_disc.satDiff := R_disc.cs - R_disc.satin; end when; when $whenCondition2 then R_disc.cs := max(0.0, min(2.0, R_disc.satin)); end when; [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:342:7-342:48:writable] Error: Internal error BackendDAETransform.analyseStrongComponentBlock failed variables: R_disc.cs R_disc.satin R_disc.satDiff R_disc.Iaction equations: when $whenCondition2 then R_disc.satin := R_disc.Iaction + R_disc.Paction + R_disc.Daction; end when; when $whenCondition2 then R_disc.Iaction := IndustrialControlSystems.LinearSystems.Discrete.Functions.fIntegrator(1.0, 2.0 * (R_disc.SP - R_disc.PV) + 0.01 * R_disc.satDiff, 2.0 * (pre(R_disc.SP) - pre(R_disc.PV)) + 0.01 * pre(R_disc.satDiff), pre(R_disc.Iaction), 0.01, 1.0); end when; when $whenCondition2 then R_disc.satDiff := R_disc.cs - R_disc.satin; end when; when $whenCondition2 then R_disc.cs := max(0.0, min(2.0, R_disc.satin)); end when; [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:346:7-346:90:writable] Error: Internal error function analyseStrongComponentBlock failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:196:5-196:89:writable] Error: Internal error function analyseStrongComponentScalar failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:107:7-107:113:writable] Error: Internal error function strongComponentsScalar failed (sorting strong components) [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAEUtil.mo:7735:5-7735:89:writable] Error: Internal error Transformation module sort components failed