Running command: translateModel(IndustrialControlSystems.Controllers.Examples.TestPID_tracking,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPID_tracking") Notification: Performance of loadModel(IndustrialControlSystems): time 2.293/2.293, allocations: 216.8 MB / 229 MB, free: 15.19 MB / 202.7 MB Notification: Performance of FrontEnd - loaded program: time 3.503e-05/3.512e-05, allocations: 4 kB / 281.9 MB, free: 10.97 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09145/0.09151, allocations: 50 MB / 331.9 MB, free: 8.875 MB / 282.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3578/0.4493, allocations: 84.27 MB / 416.2 MB, free: 12.35 MB / 346.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002534/0.4496, allocations: 83.08 kB / 416.2 MB, free: 12.31 MB / 346.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.1186/0.5682, allocations: 18.93 MB / 435.2 MB, free: 12.2 MB / 362.7 MB Notification: Performance of FrontEnd: time 2.768e-06/0.5683, allocations: 0 / 435.2 MB, free: 12.2 MB / 362.7 MB Notification: Performance of Transformations before backend: time 0.0001267/0.5685, allocations: 32.14 kB / 435.2 MB, free: 12.17 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 132 * Number of variables: 132 Notification: Performance of Generate backend data structure: time 0.004488/0.573, allocations: 1.218 MB / 436.4 MB, free: 10.92 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.972e-05/0.5731, allocations: 8.031 kB / 436.4 MB, free: 10.91 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006638/0.5737, allocations: 106.8 kB / 436.5 MB, free: 10.8 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004182/0.578, allocations: 0.7296 MB / 437.3 MB, free: 10.12 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001254/0.5781, allocations: 44.42 kB / 437.3 MB, free: 10.09 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003603/0.5785, allocations: 55.38 kB / 437.4 MB, free: 10.05 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00309/0.5817, allocations: 0.7849 MB / 438.1 MB, free: 9.379 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.262e-05/0.5818, allocations: 3.906 kB / 438.1 MB, free: 9.375 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001787/0.582, allocations: 27.17 kB / 438.2 MB, free: 9.363 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.899e-05/0.582, allocations: 12 kB / 438.2 MB, free: 9.352 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00194/0.584, allocations: 436.1 kB / 438.6 MB, free: 9.047 MB / 362.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00802/0.5921, allocations: 1.934 MB / 440.5 MB, free: 7.418 MB / 362.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002095/0.5942, allocations: 0.5727 MB / 441.1 MB, free: 6.969 MB / 362.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001164/0.5954, allocations: 310.1 kB / 441.4 MB, free: 6.766 MB / 362.7 MB Notification: Performance of preOpt evalFunc (simulation): time 5.339e-05/0.5955, allocations: 8.562 kB / 441.4 MB, free: 6.758 MB / 362.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001864/0.5974, allocations: 0.5042 MB / 441.9 MB, free: 6.336 MB / 362.7 MB Notification: Performance of pre-optimization done (n=73): time 8.331e-06/0.5974, allocations: 0 / 441.9 MB, free: 6.336 MB / 362.7 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.cs R.satin R.satDiff R.Iaction when $whenCondition7 then R.satin := R.Iaction + R.Paction + R.Daction; end when; when $whenCondition7 then R.Iaction := IndustrialControlSystems.LinearSystems.Discrete.Functions.fIntegrator(1.0, 2.0 * (R.SP - R.PV) + R.satDiff / 1.58113883008419, 2.0 * (pre(R.SP) - pre(R.PV)) + pre(R.satDiff) / 1.58113883008419, pre(R.Iaction), 0.01, 1.0); end when; when $whenCondition7 then R.satDiff := R.cs - R.satin; end when; when $whenCondition7 then R.cs := max(0.0, min(2.0, R.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.cs R.satin R.satDiff R.Iaction equations: when $whenCondition7 then R.satin := R.Iaction + R.Paction + R.Daction; end when; when $whenCondition7 then R.Iaction := IndustrialControlSystems.LinearSystems.Discrete.Functions.fIntegrator(1.0, 2.0 * (R.SP - R.PV) + R.satDiff / 1.58113883008419, 2.0 * (pre(R.SP) - pre(R.PV)) + pre(R.satDiff) / 1.58113883008419, pre(R.Iaction), 0.01, 1.0); end when; when $whenCondition7 then R.satDiff := R.cs - R.satin; end when; when $whenCondition7 then R.cs := max(0.0, min(2.0, R.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