Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_AixLib.Fluid.Examples.FlowSystem.Simplified6.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-development/package.mo", uses=false)
Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/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.Fluid.Examples.FlowSystem.Simplified6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.Examples.FlowSystem.Simplified6")
translateModel(AixLib.Fluid.Examples.FlowSystem.Simplified6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.Examples.FlowSystem.Simplified6")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009244/0.0009245, allocations: 100 kB / 15.05 MB, free: 1.105 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009908/0.0009908, allocations: 177.3 kB / 15.95 MB, free: 216 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.42/1.42, allocations: 223.2 MB / 239.9 MB, free: 5.348 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.1582/0.1582, allocations: 12.01 MB / 303 MB, free: 1.68 MB / 238.1 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo:9:42-9:258:writable] Notification: This is an open source dummy package of a commercial library. If you want it to be supported, you will need to add an implemention on our github repository: https://github.com/Modelica-OpenVendorSpecificLibraries.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0003723/0.0003723, allocations: 15.97 kB / 357.1 MB, free: 3.203 MB / 286.1 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/package.mo): time 1.677/1.677, allocations: 268.6 MB / 0.6638 GB, free: 1.707 MB / 462.1 MB
Notification: AixLib requested package SDF of version 0.4.2. SDF 0.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.000539/0.000539, allocations: 20.59 kB / 0.7845 GB, free: 32.41 MB / 0.545 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2043/0.2049, allocations: 110.5 MB / 0.8924 GB, free: 15.81 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(AixLib.Fluid.Examples.FlowSystem.Simplified6): time 0.6985/0.9034, allocations: 297.6 MB / 1.183 GB, free: 9.723 MB / 0.7638 GB
Notification: Performance of NFInst.instExpressions: time 0.08563/0.9891, allocations: 63.21 MB / 1.245 GB, free: 10.42 MB / 0.8263 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01997/1.009, allocations: 349.6 kB / 1.245 GB, free: 10.08 MB / 0.8263 GB
Notification: Performance of NFTyping.typeComponents: time 0.0169/1.026, allocations: 4.353 MB / 1.249 GB, free: 5.703 MB / 0.8263 GB
Notification: Performance of NFTyping.typeBindings: time 0.04349/1.07, allocations: 13.27 MB / 1.262 GB, free: 8.414 MB / 0.8419 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02456/1.094, allocations: 8.478 MB / 1.271 GB, free: 48 kB / 0.8419 GB
Notification: Performance of NFFlatten.flatten: time 0.03741/1.132, allocations: 17.53 MB / 1.288 GB, free: 14.49 MB / 0.8732 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02018/1.152, allocations: 13.07 MB / 1.301 GB, free: 1.32 MB / 0.8732 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02493/1.177, allocations: 9.529 MB / 1.31 GB, free: 7.758 MB / 0.8888 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01399/1.191, allocations: 6.913 MB / 1.317 GB, free: 0.8164 MB / 0.8888 GB
Notification: Performance of NFPackage.collectConstants: time 0.00387/1.195, allocations: 0.5039 MB / 1.317 GB, free: 320 kB / 0.8888 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01307/1.208, allocations: 3.074 MB / 1.32 GB, free: 13.23 MB / 0.9044 GB
Notification: Performance of NFScalarize.scalarize: time 0.005575/1.213, allocations: 2.778 MB / 1.323 GB, free: 10.45 MB / 0.9044 GB
Notification: Performance of NFVerifyModel.verify: time 0.006433/1.22, allocations: 2.697 MB / 1.325 GB, free: 7.734 MB / 0.9044 GB
Notification: Performance of NFConvertDAE.convert: time 0.02021/1.24, allocations: 14.85 MB / 1.34 GB, free: 8.852 MB / 0.92 GB
Notification: Performance of FrontEnd - DAE generated: time 3.877e-06/1.24, allocations: 0 / 1.34 GB, free: 8.852 MB / 0.92 GB
Notification: Performance of FrontEnd: time 2.144e-06/1.24, allocations: 0 / 1.34 GB, free: 8.852 MB / 0.92 GB
Notification: Performance of Transformations before backend: time 0.0007014/1.241, allocations: 0 / 1.34 GB, free: 8.852 MB / 0.92 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1549
 * Number of variables: 1549
Notification: Performance of Generate backend data structure: time 0.03171/1.273, allocations: 14.19 MB / 1.354 GB, free: 10.52 MB / 0.9357 GB
Notification: Performance of prepare preOptimizeDAE: time 4.846e-05/1.273, allocations: 8.031 kB / 1.354 GB, free: 10.51 MB / 0.9357 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009609/1.282, allocations: 2.265 MB / 1.356 GB, free: 8.223 MB / 0.9357 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.03028/1.313, allocations: 15.54 MB / 1.371 GB, free: 8.582 MB / 0.9513 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001752/1.314, allocations: 0.7992 MB / 1.372 GB, free: 7.777 MB / 0.9513 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002457/1.317, allocations: 0.7031 MB / 1.373 GB, free: 7.074 MB / 0.9513 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02062/1.337, allocations: 8.887 MB / 1.381 GB, free: 13.81 MB / 0.9669 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002462/1.338, allocations: 19.81 kB / 1.381 GB, free: 13.79 MB / 0.9669 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001568/1.339, allocations: 252 kB / 1.382 GB, free: 13.55 MB / 0.9669 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000206/1.34, allocations: 223.2 kB / 1.382 GB, free: 13.33 MB / 0.9669 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01674/1.356, allocations: 7.386 MB / 1.389 GB, free: 5.934 MB / 0.9669 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 0.5101/1.867, allocations: 50.54 MB / 1.438 GB, free: 315.6 MB / 0.9669 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009386/1.876, allocations: 5.524 MB / 1.444 GB, free: 313.5 MB / 0.9669 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 evalFunc (simulation): time 0.02584/1.902, allocations: 13.17 MB / 1.457 GB, free: 304.2 MB / 0.9669 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004773/1.907, allocations: 3.618 MB / 1.46 GB, free: 302.1 MB / 0.9669 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.00791/1.915, allocations: 1.927 MB / 1.462 GB, free: 301.5 MB / 0.9669 GB
Notification: Performance of pre-optimization done (n=335): time 1.259e-05/1.915, allocations: 0 / 1.462 GB, free: 301.5 MB / 0.9669 GB
Notification: Performance of matching and sorting (n=530): time 0.1561/2.071, allocations: 54.69 MB / 1.515 GB, free: 258.2 MB / 0.9669 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2135:10-2135:88:writable] Error: Internal error function optimizeJacobianMatrix failed
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2052:9-2052:79:writable] Error: Internal error function createJacobian failed
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Actuators/BaseClasses/ValveParameters.mo:26:3-31:106:writable] Warning: Parameter valNorth.res3.dpValve_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-9:76:writable] Warning: Parameter valNorth.res3.m_flow_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Actuators/BaseClasses/ValveParameters.mo:26:3-31:106:writable] Warning: Parameter valNorth.res1.dpValve_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-9:76:writable] Warning: Parameter valNorth.res1.m_flow_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Actuators/BaseClasses/ValveParameters.mo:26:3-31:106:writable] Warning: Parameter valSouth.res3.dpValve_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-9:76:writable] Warning: Parameter valSouth.res3.m_flow_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Actuators/BaseClasses/ValveParameters.mo:26:3-31:106:writable] Warning: Parameter valSouth.res1.dpValve_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-9:76:writable] Warning: Parameter valSouth.res1.m_flow_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=0.0) as default value.
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 269
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition1,$whenCondition2,stepPump.y,$PRE.stepPump.pulseStart,stepPump.pulseStart,pumpHea.stage,$PRE.stepValve.T_start,stepValve.T_start,$PRE.stepValve.count,stepValve.count)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (772):
 * Single equations (assignments): 757
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 6
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 6 {1,1,1,1,1,1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 2 {8 80,8 80}
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2135:10-2135:88:writable] Error: Internal error function optimizeJacobianMatrix failed
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2052:9-2052:79:writable] Error: Internal error function createJacobian failed
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 15
 * Number of states: 11 ($STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],valSouth.res1.filter.s[1],valSouth.res3.filter.s[1],valSouth.vol.dynBal.U,valNorth.res1.filter.s[1],valNorth.res3.filter.s[1],valNorth.vol.dynBal.U,heater.outCon.T)
 * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count)
 * Number of discrete states: 1 (stepValve.count)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (446):
 * Single equations (assignments): 425
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 3
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 5
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 5 {1,1,1,1,1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 3 {12 76,12 93,1 1}
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4497:9-4497:59:writable] Error: Internal error function createStateSetsSets failed.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:748:5-748:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]