Running command: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Examples.FlowSystem.Simplified2")
Notification: Performance of loadModel(Buildings): time 3.77/3.77, allocations: 402 MB / 416.6 MB, free: 10.21 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.032e-05/3.042e-05, allocations: 4 kB / 0.5009 GB, free: 8.266 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1975/0.1976, allocations: 92.69 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified2): time 0.9369/1.134, allocations: 285.8 MB / 0.8705 GB, free: 440 kB / 0.7292 GB
Notification: Performance of NFInst.instExpressions: time 0.7985/1.933, allocations: 60.66 MB / 0.9298 GB, free: 53.57 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01935/1.952, allocations: 0.4906 MB / 0.9303 GB, free: 53.56 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.02161/1.974, allocations: 4.721 MB / 0.9349 GB, free: 53.52 MB / 0.7448 GB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:176:10-176:27:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:174:10-174:54:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:177:10-177:29:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:173:10-173:27:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:190:10-190:27:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:188:10-188:54:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:191:10-191:29:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:187:10-187:27:writable] Warning: 'each' used when modifying non-array element valCoo.
Notification: Performance of NFTyping.typeBindings: time 0.0538/2.028, allocations: 11.55 MB / 0.9462 GB, free: 53.24 MB / 0.7448 GB
Notification: Performance of NFTyping.typeClassSections: time 0.04033/2.068, allocations: 9.383 MB / 0.9553 GB, free: 52.73 MB / 0.7448 GB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:173:10-173:27:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:174:10-174:54:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:187:10-187:27:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:188:10-188:54:writable] Warning: 'each' used when modifying non-array element valCoo.
Notification: Performance of NFFlatten.flatten: time 0.04962/2.118, allocations: 18 MB / 0.9729 GB, free: 51.94 MB / 0.7448 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0281/2.146, allocations: 12.48 MB / 0.9851 GB, free: 47.45 MB / 0.7448 GB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:173:10-173:27:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:174:10-174:54:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:173:10-173:27:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:187:10-187:27:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:188:10-188:54:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:187:10-187:27:writable] Warning: 'each' used when modifying non-array element valCoo.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:173:10-173:27:writable] Warning: 'each' used when modifying non-array element valHea.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Basic.mo:187:10-187:27:writable] Warning: 'each' used when modifying non-array element valCoo.
Notification: Performance of NFEvalConstants.evaluate: time 0.03404/2.18, allocations: 11.47 MB / 0.9963 GB, free: 46 MB / 0.7448 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03427/2.215, allocations: 11.2 MB / 1.007 GB, free: 43.68 MB / 0.7448 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02821/2.243, allocations: 4.035 MB / 1.011 GB, free: 43.21 MB / 0.7448 GB
Notification: Performance of NFPackage.collectConstants: time 0.01032/2.253, allocations: 1.02 MB / 1.012 GB, free: 43.21 MB / 0.7448 GB
Notification: Performance of NFScalarize.scalarize: time 0.01163/2.265, allocations: 4.584 MB / 1.017 GB, free: 41.27 MB / 0.7448 GB
Notification: Performance of NFVerifyModel.verify: time 0.01292/2.278, allocations: 1.582 MB / 1.018 GB, free: 39.68 MB / 0.7448 GB
Notification: Performance of NFConvertDAE.convert: time 0.03915/2.317, allocations: 22.16 MB / 1.04 GB, free: 20.89 MB / 0.7448 GB
Notification: Performance of FrontEnd - DAE generated: time 5.821e-06/2.317, allocations: 3.312 kB / 1.04 GB, free: 20.89 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 4.218e-06/2.317, allocations: 0 / 1.04 GB, free: 20.89 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.001057/2.318, allocations: 0 / 1.04 GB, free: 20.89 MB / 0.7448 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 2072
 * Number of variables: 2072
Notification: Performance of Generate backend data structure: time 0.06322/2.381, allocations: 16.77 MB / 1.056 GB, free: 5.203 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 5.713e-05/2.382, allocations: 8.031 kB / 1.056 GB, free: 5.195 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01647/2.398, allocations: 2.385 MB / 1.059 GB, free: 2.793 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05767/2.456, allocations: 17.61 MB / 1.076 GB, free: 6.34 MB / 0.7605 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001222/2.457, allocations: 0.7258 MB / 1.076 GB, free: 5.914 MB / 0.7605 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006694/2.464, allocations: 1.012 MB / 1.077 GB, free: 5.227 MB / 0.7605 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.09172/2.556, allocations: 20.8 MB / 1.098 GB, free: 2.406 MB / 0.7761 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0005517/2.556, allocations: 20.55 kB / 1.098 GB, free: 2.395 MB / 0.7761 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005069/2.561, allocations: 356 kB / 1.098 GB, free: 2.047 MB / 0.7761 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000331/2.562, allocations: 218.8 kB / 1.098 GB, free: 1.836 MB / 0.7761 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.09335/2.655, allocations: 23.83 MB / 1.122 GB, free: 10.05 MB / 0.8073 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 0.2342/2.889, allocations: 84.47 MB / 1.204 GB, free: 3.508 MB / 0.8855 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.07476/2.964, allocations: 18.12 MB / 1.222 GB, free: 1.715 MB / 0.9011 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 1.485/4.45, allocations: 43.65 MB / 1.264 GB, free: 163.6 MB / 0.9012 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.06163/4.511, allocations: 13.55 MB / 1.278 GB, free: 163.4 MB / 0.9012 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.06874/4.58, allocations: 10.85 MB / 1.288 GB, free: 163.2 MB / 0.9012 GB
Notification: Performance of pre-optimization done (n=611): time 5.267e-05/4.58, allocations: 0 / 1.288 GB, free: 163.2 MB / 0.9012 GB
Notification: Performance of matching and sorting (n=875): time 2.491/7.071, allocations: 278.1 MB / 1.56 GB, free: 76 kB / 0.9637 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.001323/7.073, allocations: 2.892 MB / 1.563 GB, free: 12.51 MB / 0.9793 GB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Actuators/BaseClasses/ValveParameters.mo:29:3-35:74: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-10:52: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Actuators/BaseClasses/ValveParameters.mo:29:3-35:74: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-10:52: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Actuators/BaseClasses/ValveParameters.mo:29:3-35:74: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-10:52: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Actuators/BaseClasses/ValveParameters.mo:29:3-35:74: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.
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Interfaces/PartialTwoPortInterface.mo:8:3-10:52: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: Performance of selectInitializationVariablesDAE (initialization): time 0.04091/7.113, allocations: 15.18 MB / 1.577 GB, free: 13.49 MB / 0.9949 GB
Notification: Performance of collectPreVariables (initialization): time 0.005171/7.119, allocations: 267.5 kB / 1.578 GB, free: 13.23 MB / 0.9949 GB
Notification: Performance of collectInitialEqns (initialization): time 1.155/8.274, allocations: 7.795 MB / 1.585 GB, free: 437.8 MB / 0.995 GB
Notification: Performance of collectInitialBindings (initialization): time 0.007254/8.281, allocations: 3.021 MB / 1.588 GB, free: 436.3 MB / 0.995 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.003575/8.285, allocations: 222.5 kB / 1.589 GB, free: 436.1 MB / 0.995 GB
Notification: Performance of setup shared object (initialization): time 0.001079/8.286, allocations: 0.7712 MB / 1.589 GB, free: 435.6 MB / 0.995 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.04123/8.327, allocations: 12.08 MB / 1.601 GB, free: 431.5 MB / 0.995 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.04638/8.373, allocations: 15.56 MB / 1.616 GB, free: 423.5 MB / 0.995 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0441/8.418, allocations: 13.41 MB / 1.629 GB, free: 418.5 MB / 0.995 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001288/8.418, allocations: 15.78 kB / 1.629 GB, free: 418.5 MB / 0.995 GB
Notification: Performance of matching and sorting (n=1504) (initialization): time 1.503/9.921, allocations: 139.9 MB / 1.766 GB, free: 319.2 MB / 0.995 GB
Notification: Performance of prepare postOptimizeDAE: time 0.006307/9.927, allocations: 37.32 MB / 1.802 GB, free: 280.8 MB / 0.995 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004526/9.928, allocations: 108.8 kB / 1.803 GB, free: 280.7 MB / 0.995 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.394/11.32, allocations: 147.2 MB / 1.946 GB, free: 133.2 MB / 0.995 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0331/11.35, allocations: 3.195 MB / 1.949 GB, free: 130 MB / 0.995 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.399/11.75, allocations: 105.7 MB / 2.053 GB, free: 23.82 MB / 0.995 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03951/11.79, allocations: 1.926 MB / 2.055 GB, free: 21.9 MB / 0.995 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006721/11.8, allocations: 0.9271 MB / 2.055 GB, free: 20.98 MB / 0.995 GB
Notification: Performance of prepare postOptimizeDAE: time 1.83e-05/11.8, allocations: 4 kB / 2.055 GB, free: 20.97 MB / 0.995 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 1.877/13.68, allocations: 128.7 MB / 2.181 GB, free: 385.7 MB / 0.995 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004104/13.68, allocations: 114.6 kB / 2.181 GB, free: 385.6 MB / 0.995 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.366/15.04, allocations: 145.1 MB / 2.323 GB, free: 247.6 MB / 0.995 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02355/15.07, allocations: 2.646 MB / 2.326 GB, free: 245.1 MB / 0.995 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3795/15.45, allocations: 104.2 MB / 2.427 GB, free: 140.9 MB / 0.995 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03242/15.48, allocations: 1.398 MB / 2.429 GB, free: 139.5 MB / 0.995 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005693/15.49, allocations: 0.858 MB / 2.43 GB, free: 138.7 MB / 0.995 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 234
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition2,$whenCondition1,stepPump.y,$PRE.stepPump.pulsStart,stepPump.pulsStart,pumpHea.stage,$PRE.stepValve.T_start,stepValve.T_start,$PRE.stepValve.count,stepValve.count)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (1130):
 * Single equations (assignments): 1043
 * Array equations: 40
 * Algorithm blocks: 1
 * Record equations: 36
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 7
 * 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: 7 {1,1,1,1,1,1,1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(14,41.8%) 92,(28,89.3%) 28}
 * Non-linear torn systems: 1 {14 92}
Notification: Performance of prepare postOptimizeDAE: time 0.018/15.5, allocations: 4.217 MB / 2.434 GB, free: 134.5 MB / 0.995 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008036/15.51, allocations: 1.557 MB / 2.435 GB, free: 133.8 MB / 0.995 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.5204/16.03, allocations: 63.98 MB / 2.498 GB, free: 69.69 MB / 0.995 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.186/17.22, allocations: 57.91 MB / 2.554 GB, free: 400.9 MB / 0.995 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.018e-05/17.22, allocations: 1.281 kB / 2.554 GB, free: 400.9 MB / 0.995 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01514/17.23, allocations: 3.612 MB / 2.558 GB, free: 400.8 MB / 0.995 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00786/17.24, allocations: 300.3 kB / 2.558 GB, free: 400.8 MB / 0.995 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.03525/17.28, allocations: 1.769 MB / 2.56 GB, free: 400.8 MB / 0.995 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.01326/17.29, allocations: 1.105 MB / 2.561 GB, free: 400.8 MB / 0.995 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!
Notification: Performance of <failed> postOpt createDAEmodeBDAE (simulation): time 0.1992/17.49, allocations: 26.5 MB / 2.587 GB, free: 398.9 MB / 0.995 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.