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: "" <> buildModelFMU(AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop,fileNamePrefix="AixLib_AixLib_Obsolete_Year2021_Fluid_Examples_PumpHydraulicResistance_closedLoop",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop,fileNamePrefix="AixLib_AixLib_Obsolete_Year2021_Fluid_Examples_PumpHydraulicResistance_closedLoop",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001477/0.001477, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001419/0.001419, allocations: 194.2 kB / 16.13 MB, free: 6.66 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.329/1.329, allocations: 222.9 MB / 239.8 MB, free: 4.52 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.1627/0.1627, allocations: 12.01 MB / 302 MB, free: 0.9375 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0004882/0.0004881, allocations: 23.97 kB / 355 MB, free: 4.035 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 1.692/1.692, allocations: 268.1 MB / 0.6603 GB, free: 1.008 MB / 462.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001884/0.001885, allocations: 112.1 kB / 0.7794 GB, free: 32.76 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1715/0.1734, allocations: 108.4 MB / 0.8852 GB, free: 1.801 MB / 0.5919 GB Notification: Performance of NFInst.instantiate(AixLib.Obsolete.Year2021.Fluid.Examples.PumpHydraulicResistance_closedLoop): time 0.01708/0.1906, allocations: 19.16 MB / 0.9039 GB, free: 14.56 MB / 0.6232 GB Notification: Performance of NFInst.instExpressions: time 0.00612/0.1967, allocations: 5.062 MB / 0.9089 GB, free: 9.488 MB / 0.6232 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002926/0.197, allocations: 15.88 kB / 0.9089 GB, free: 9.473 MB / 0.6232 GB Notification: Performance of NFTyping.typeComponents: time 0.0007818/0.1978, allocations: 310.7 kB / 0.9092 GB, free: 9.168 MB / 0.6232 GB Notification: Performance of NFTyping.typeBindings: time 0.001335/0.1992, allocations: 0.7022 MB / 0.9099 GB, free: 8.465 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 0.001383/0.2006, allocations: 0.6259 MB / 0.9105 GB, free: 7.844 MB / 0.6232 GB Notification: Performance of NFFlatten.flatten: time 0.001298/0.2019, allocations: 1.476 MB / 0.9119 GB, free: 6.363 MB / 0.6232 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004144/0.2023, allocations: 325.4 kB / 0.9122 GB, free: 6.039 MB / 0.6232 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0007086/0.203, allocations: 478 kB / 0.9127 GB, free: 5.57 MB / 0.6232 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000434/0.2035, allocations: 418.4 kB / 0.9131 GB, free: 5.16 MB / 0.6232 GB Notification: Performance of NFPackage.collectConstants: time 6.634e-05/0.2036, allocations: 28 kB / 0.9131 GB, free: 5.133 MB / 0.6232 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001101/0.2047, allocations: 0.7798 MB / 0.9139 GB, free: 4.352 MB / 0.6232 GB Notification: Performance of NFScalarize.scalarize: time 0.0001625/0.2048, allocations: 183.3 kB / 0.9141 GB, free: 4.172 MB / 0.6232 GB Notification: Performance of NFVerifyModel.verify: time 0.0002664/0.2051, allocations: 314.2 kB / 0.9144 GB, free: 3.863 MB / 0.6232 GB Notification: Performance of NFConvertDAE.convert: time 0.001105/0.2062, allocations: 1.102 MB / 0.9154 GB, free: 2.758 MB / 0.6232 GB Notification: Performance of FrontEnd - DAE generated: time 3.878e-06/0.2062, allocations: 0 / 0.9154 GB, free: 2.758 MB / 0.6232 GB Notification: Performance of FrontEnd: time 2.424e-06/0.2063, allocations: 4 kB / 0.9154 GB, free: 2.754 MB / 0.6232 GB Notification: Performance of Transformations before backend: time 9.268e-06/0.2063, allocations: 0 / 0.9154 GB, free: 2.754 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 0.001767/0.208, allocations: 1.07 MB / 0.9165 GB, free: 1.633 MB / 0.6232 GB Notification: Performance of prepare preOptimizeDAE: time 4.069e-05/0.2081, allocations: 8.594 kB / 0.9165 GB, free: 1.625 MB / 0.6232 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.322e-05/0.2082, allocations: 58.73 kB / 0.9166 GB, free: 1.559 MB / 0.6232 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001403/0.2083, allocations: 76 kB / 0.9166 GB, free: 1.484 MB / 0.6232 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000948/0.2093, allocations: 0.6628 MB / 0.9173 GB, free: 0.7773 MB / 0.6232 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.199e-05/0.2093, allocations: 50.14 kB / 0.9173 GB, free: 0.7227 MB / 0.6232 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.264e-05/0.2094, allocations: 24 kB / 0.9173 GB, free: 0.6992 MB / 0.6232 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004551/0.2098, allocations: 271.2 kB / 0.9176 GB, free: 440 kB / 0.6232 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.729e-06/0.2099, allocations: 4 kB / 0.9176 GB, free: 436 kB / 0.6232 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.885e-05/0.2099, allocations: 8 kB / 0.9176 GB, free: 428 kB / 0.6232 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.713e-06/0.2099, allocations: 4 kB / 0.9176 GB, free: 424 kB / 0.6232 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005176/0.2104, allocations: 277.6 kB / 0.9179 GB, free: 148 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 0.001999/0.2124, allocations: 1.664 MB / 0.9195 GB, free: 14.32 MB / 0.6388 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00078/0.2132, allocations: 274.6 kB / 0.9198 GB, free: 14.04 MB / 0.6388 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001948/0.2134, allocations: 128.5 kB / 0.9199 GB, free: 13.91 MB / 0.6388 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001343/0.2148, allocations: 1.472 MB / 0.9213 GB, free: 12.23 MB / 0.6388 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002613/0.215, allocations: 162.8 kB / 0.9215 GB, free: 12.06 MB / 0.6388 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0001371/0.2152, allocations: 35.77 kB / 0.9215 GB, free: 12.02 MB / 0.6388 GB Notification: Performance of pre-optimization done (n=23): time 1.533e-06/0.2152, allocations: 4 kB / 0.9215 GB, free: 12.02 MB / 0.6388 GB Notification: Performance of matching and sorting (n=23): time 0.006151/0.2214, allocations: 1.002 MB / 0.9225 GB, free: 10.99 MB / 0.6388 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.575e-05/0.2214, allocations: 63.28 kB / 0.9226 GB, free: 10.91 MB / 0.6388 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001113/0.2226, allocations: 0.9106 MB / 0.9234 GB, free: 9.992 MB / 0.6388 GB Notification: Performance of collectPreVariables (initialization): time 3.856e-05/0.2226, allocations: 29.7 kB / 0.9235 GB, free: 9.957 MB / 0.6388 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002513/0.2229, allocations: 300.5 kB / 0.9238 GB, free: 9.66 MB / 0.6388 GB Notification: Performance of collectInitialBindings (initialization): time 7.32e-05/0.2229, allocations: 74.94 kB / 0.9238 GB, free: 9.586 MB / 0.6388 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001032/0.2231, allocations: 61.83 kB / 0.9239 GB, free: 9.52 MB / 0.6388 GB Notification: Performance of setup shared object (initialization): time 0.0001075/0.2232, allocations: 318 kB / 0.9242 GB, free: 9.203 MB / 0.6388 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001497/0.2233, allocations: 73.77 kB / 0.9243 GB, free: 9.129 MB / 0.6388 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002098/0.2235, allocations: 160 kB / 0.9244 GB, free: 8.941 MB / 0.6388 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003257/0.2239, allocations: 205 kB / 0.9246 GB, free: 8.723 MB / 0.6388 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.34e-06/0.2239, allocations: 0 / 0.9246 GB, free: 8.723 MB / 0.6388 GB Notification: Performance of matching and sorting (n=27) (initialization): time 0.002707/0.2266, allocations: 0.5387 MB / 0.9251 GB, free: 8.176 MB / 0.6388 GB Notification: Performance of prepare postOptimizeDAE: time 1.652e-05/0.2266, allocations: 4 kB / 0.9251 GB, free: 8.172 MB / 0.6388 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.494e-06/0.2266, allocations: 4 kB / 0.9251 GB, free: 8.168 MB / 0.6388 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002338/0.229, allocations: 320.6 kB / 0.9255 GB, free: 7.852 MB / 0.6388 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001018/0.2291, allocations: 27.92 kB / 0.9255 GB, free: 7.824 MB / 0.6388 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002802/0.2319, allocations: 6.353 MB / 0.9317 GB, free: 1.066 MB / 0.6388 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003826/0.2323, allocations: 35.84 kB / 0.9317 GB, free: 1.035 MB / 0.6388 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.692e-05/0.2324, allocations: 8 kB / 0.9317 GB, free: 1.027 MB / 0.6388 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003223/0.2327, allocations: 260 kB / 0.932 GB, free: 0.7695 MB / 0.6388 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001905/0.2329, allocations: 150 kB / 0.9321 GB, free: 0.5898 MB / 0.6388 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002934/0.2332, allocations: 202.9 kB / 0.9323 GB, free: 384 kB / 0.6388 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.242e-06/0.2332, allocations: 0 / 0.9323 GB, free: 384 kB / 0.6388 GB Notification: Performance of matching and sorting (n=27) (initialization_lambda0): time 0.002696/0.2359, allocations: 0.5246 MB / 0.9328 GB, free: 15.84 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.117e-05/0.2359, allocations: 4 kB / 0.9328 GB, free: 15.84 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.976e-06/0.2359, allocations: 0 / 0.9328 GB, free: 15.84 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001895/0.2378, allocations: 288.6 kB / 0.9331 GB, free: 15.55 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.499e-05/0.2379, allocations: 27.92 kB / 0.9331 GB, free: 15.52 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002755/0.2407, allocations: 6.334 MB / 0.9393 GB, free: 8.777 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003966/0.2411, allocations: 36.12 kB / 0.9393 GB, free: 8.742 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.932e-05/0.2411, allocations: 8 kB / 0.9394 GB, free: 8.734 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 0.0001549/0.2413, allocations: 204.1 kB / 0.9396 GB, free: 8.527 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001275/0.2414, allocations: 75.03 kB / 0.9396 GB, free: 8.453 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 0.000754/0.2422, allocations: 382.4 kB / 0.94 GB, free: 8.102 MB / 0.6544 GB Error: post-optimization module wrapFunctionCalls (simulation) failed.