Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo", uses=false) Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo) Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo) Using package Modelica_DeviceDrivers with version 2.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2880,variableFilter="",fileNamePrefix="AixLib_AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop") translateModel(AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2880,variableFilter="",fileNamePrefix="AixLib_AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001311/0.001311, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0016/0.0016, allocations: 195.4 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.466/1.466, allocations: 222.9 MB / 239.8 MB, free: 4.551 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.1868/0.1868, allocations: 12 MB / 302 MB, free: 0.9883 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0005245/0.0005246, allocations: 27.94 kB / 355 MB, free: 4.027 MB / 286.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6228:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6853:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:8435:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:9369:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:11505:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:12875:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/Examples/DryAir/DryAir_test.mo:71:18-71:405:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:2066:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:4252:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_RoofN_Roof_S.mo:5:35-5:362:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_Hor.mo:5:35-5:320:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_NE_SE_SW_NW_Hor.mo:5:35-5:324:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:588:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:3852:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_Cleanergy_C9G.mo:36:34-36:594:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Machines.mo:31:20-31:400:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo): time 1.904/1.904, allocations: 268.1 MB / 0.6603 GB, free: 1.02 MB / 462.1 MB Notification: Performance of FrontEnd - loaded program: time 0.003825/0.003825, allocations: 112.5 kB / 0.7793 GB, free: 33.09 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2551/0.259, allocations: 108.4 MB / 0.8852 GB, free: 1.922 MB / 0.5919 GB Notification: Performance of NFInst.instantiate(AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop): time 0.02343/0.2825, allocations: 19.15 MB / 0.9039 GB, free: 14.68 MB / 0.6232 GB Notification: Performance of NFInst.instExpressions: time 0.007711/0.2902, allocations: 5.073 MB / 0.9088 GB, free: 9.598 MB / 0.6232 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000722/0.291, allocations: 19.81 kB / 0.9088 GB, free: 9.578 MB / 0.6232 GB Notification: Performance of NFTyping.typeComponents: time 0.001132/0.2921, allocations: 310.7 kB / 0.9091 GB, free: 9.273 MB / 0.6232 GB Notification: Performance of NFTyping.typeBindings: time 0.002168/0.2943, allocations: 0.7019 MB / 0.9098 GB, free: 8.57 MB / 0.6232 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/Year2021/Fluid/Movers/Pump.mo:39:3-39:48:writable] Warning: Conditional component ‘V_flow‘ is used in a non-connect context. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/Year2021/Fluid/Movers/Pump.mo:49:7-49:152:writable] Warning: Conditional component ‘V_flow‘ is used in a non-connect context. Notification: Performance of NFTyping.typeClassSections: time 0.00251/0.2968, allocations: 0.6233 MB / 0.9104 GB, free: 7.957 MB / 0.6232 GB Notification: Performance of NFFlatten.flatten: time 0.002027/0.2989, allocations: 1.476 MB / 0.9119 GB, free: 6.477 MB / 0.6232 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005394/0.2994, allocations: 329.4 kB / 0.9122 GB, free: 6.148 MB / 0.6232 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009785/0.3004, allocations: 466 kB / 0.9126 GB, free: 5.691 MB / 0.6232 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005543/0.301, allocations: 422.3 kB / 0.913 GB, free: 5.277 MB / 0.6232 GB Notification: Performance of NFPackage.collectConstants: time 7.077e-05/0.3011, allocations: 32 kB / 0.9131 GB, free: 5.246 MB / 0.6232 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001672/0.3027, allocations: 0.7798 MB / 0.9138 GB, free: 4.465 MB / 0.6232 GB Notification: Performance of NFScalarize.scalarize: time 0.0001911/0.3029, allocations: 183.3 kB / 0.914 GB, free: 4.285 MB / 0.6232 GB Notification: Performance of NFVerifyModel.verify: time 0.0003235/0.3033, allocations: 318.2 kB / 0.9143 GB, free: 3.973 MB / 0.6232 GB Notification: Performance of NFConvertDAE.convert: time 0.001433/0.3047, allocations: 1.094 MB / 0.9154 GB, free: 2.875 MB / 0.6232 GB Notification: Performance of FrontEnd - DAE generated: time 5.41e-06/0.3047, allocations: 0 / 0.9154 GB, free: 2.875 MB / 0.6232 GB Notification: Performance of FrontEnd: time 1.242e-06/0.3047, allocations: 0 / 0.9154 GB, free: 2.875 MB / 0.6232 GB Notification: Performance of Transformations before backend: time 8.666e-06/0.3048, allocations: 0 / 0.9154 GB, free: 2.875 MB / 0.6232 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 51 * Number of variables: 51 Notification: Performance of Generate backend data structure: time 0.002018/0.3068, allocations: 1.07 MB / 0.9164 GB, free: 1.754 MB / 0.6232 GB Notification: Performance of prepare preOptimizeDAE: time 4.852e-05/0.3068, allocations: 12.03 kB / 0.9164 GB, free: 1.742 MB / 0.6232 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001676/0.307, allocations: 80 kB / 0.9165 GB, free: 1.664 MB / 0.6232 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001086/0.3081, allocations: 0.6669 MB / 0.9172 GB, free: 0.9531 MB / 0.6232 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.588e-05/0.3082, allocations: 46.14 kB / 0.9172 GB, free: 0.9023 MB / 0.6232 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.766e-05/0.3082, allocations: 24 kB / 0.9172 GB, free: 0.8789 MB / 0.6232 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005146/0.3088, allocations: 279.1 kB / 0.9175 GB, free: 0.6016 MB / 0.6232 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.241e-05/0.3088, allocations: 3.938 kB / 0.9175 GB, free: 0.5977 MB / 0.6232 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.079e-05/0.3088, allocations: 8 kB / 0.9175 GB, free: 0.5898 MB / 0.6232 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.578e-06/0.3088, allocations: 12 kB / 0.9175 GB, free: 0.5781 MB / 0.6232 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000578/0.3094, allocations: 277.6 kB / 0.9178 GB, free: 316 kB / 0.6232 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002195/0.3116, allocations: 1.656 MB / 0.9194 GB, free: 14.49 MB / 0.6388 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000813/0.3124, allocations: 262.7 kB / 0.9196 GB, free: 14.22 MB / 0.6388 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002099/0.3127, allocations: 132.6 kB / 0.9198 GB, free: 14.09 MB / 0.6388 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001511/0.3142, allocations: 1.48 MB / 0.9212 GB, free: 12.4 MB / 0.6388 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000293/0.3145, allocations: 154 kB / 0.9214 GB, free: 12.24 MB / 0.6388 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0001525/0.3147, allocations: 39.81 kB / 0.9214 GB, free: 12.2 MB / 0.6388 GB Notification: Performance of pre-optimization done (n=23): time 1.984e-06/0.3147, allocations: 0 / 0.9214 GB, free: 12.2 MB / 0.6388 GB Notification: Performance of matching and sorting (n=23): time 0.006138/0.3208, allocations: 1.01 MB / 0.9224 GB, free: 11.16 MB / 0.6388 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.971e-05/0.3209, allocations: 55.41 kB / 0.9224 GB, free: 11.09 MB / 0.6388 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001032/0.3219, allocations: 0.9066 MB / 0.9233 GB, free: 10.18 MB / 0.6388 GB Notification: Performance of collectPreVariables (initialization): time 3.769e-05/0.322, allocations: 33.7 kB / 0.9234 GB, free: 10.14 MB / 0.6388 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002637/0.3222, allocations: 300.5 kB / 0.9236 GB, free: 9.84 MB / 0.6388 GB Notification: Performance of collectInitialBindings (initialization): time 6.431e-05/0.3223, allocations: 70.94 kB / 0.9237 GB, free: 9.77 MB / 0.6388 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001084/0.3224, allocations: 61.83 kB / 0.9238 GB, free: 9.703 MB / 0.6388 GB Notification: Performance of setup shared object (initialization): time 0.0001322/0.3226, allocations: 322 kB / 0.9241 GB, free: 9.383 MB / 0.6388 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001462/0.3227, allocations: 81.75 kB / 0.9242 GB, free: 9.301 MB / 0.6388 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002186/0.3229, allocations: 155.9 kB / 0.9243 GB, free: 9.117 MB / 0.6388 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003309/0.3233, allocations: 207.5 kB / 0.9245 GB, free: 8.898 MB / 0.6388 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.885e-06/0.3233, allocations: 0 / 0.9245 GB, free: 8.898 MB / 0.6388 GB Notification: Performance of matching and sorting (n=27) (initialization): time 0.002624/0.3259, allocations: 0.5286 MB / 0.925 GB, free: 8.359 MB / 0.6388 GB Notification: Performance of prepare postOptimizeDAE: time 2.124e-05/0.326, allocations: 4 kB / 0.925 GB, free: 8.355 MB / 0.6388 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.584e-06/0.326, allocations: 4 kB / 0.925 GB, free: 8.352 MB / 0.6388 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002349/0.3283, allocations: 328.6 kB / 0.9253 GB, free: 8.027 MB / 0.6388 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001056/0.3284, allocations: 27.98 kB / 0.9254 GB, free: 8 MB / 0.6388 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003362/0.3318, allocations: 6.342 MB / 0.9316 GB, free: 1.25 MB / 0.6388 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004722/0.3323, allocations: 36.08 kB / 0.9316 GB, free: 1.215 MB / 0.6388 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.563e-05/0.3324, allocations: 15.92 kB / 0.9316 GB, free: 1.199 MB / 0.6388 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004136/0.3328, allocations: 260 kB / 0.9319 GB, free: 0.9414 MB / 0.6388 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002196/0.333, allocations: 159.9 kB / 0.932 GB, free: 0.7539 MB / 0.6388 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003257/0.3333, allocations: 198.7 kB / 0.9322 GB, free: 0.543 MB / 0.6388 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.944e-06/0.3334, allocations: 4 kB / 0.9322 GB, free: 0.5391 MB / 0.6388 GB Notification: Performance of matching and sorting (n=27) (initialization_lambda0): time 0.002673/0.336, allocations: 0.5285 MB / 0.9327 GB, free: 0 / 0.6388 GB Notification: Performance of prepare postOptimizeDAE: time 3.185e-05/0.3361, allocations: 4.047 kB / 0.9327 GB, free: 15.99 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.995e-06/0.3361, allocations: 0 / 0.9327 GB, free: 15.99 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001812/0.3379, allocations: 272.4 kB / 0.933 GB, free: 15.73 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001009/0.338, allocations: 27.98 kB / 0.933 GB, free: 15.7 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003216/0.3412, allocations: 6.342 MB / 0.9392 GB, free: 8.949 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004388/0.3417, allocations: 28 kB / 0.9392 GB, free: 8.922 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.63e-05/0.3417, allocations: 19.98 kB / 0.9392 GB, free: 8.902 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,NightSignal.pulseStart,$PRE.NightSignal.pulseStart,NightSignal.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (15): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0001864/0.3419, allocations: 188.3 kB / 0.9394 GB, free: 8.711 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001535/0.3421, allocations: 71.34 kB / 0.9395 GB, free: 8.641 MB / 0.6544 GB Warning: After manipulating the system with postOptModule wrapFunctionCalls the system is unbalanced. This indicates that the original system is singular. You can use -d=dumpCSE and -d=dumpCSE_verbose for more information. Error: Too few equations, under-determined system. The model has 38 equation(s) and 40 variable(s). Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008332/0.3429, allocations: 390.8 kB / 0.9399 GB, free: 8.277 MB / 0.6544 GB Error: post-optimization module wrapFunctionCalls (simulation) failed.