Running command: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Examples.FlowSystem.Simplified4") Notification: Performance of loadModel(Buildings): time 3.832/3.832, allocations: 402 MB / 416.6 MB, free: 10.11 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.097e-05/3.107e-05, allocations: 4 kB / 0.5009 GB, free: 8.254 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1983/0.1983, allocations: 92.7 MB / 0.5915 GB, free: 11.38 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified4): time 0.9589/1.157, allocations: 285.9 MB / 0.8706 GB, free: 384 kB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.7997/1.957, allocations: 60.67 MB / 0.9299 GB, free: 53.62 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01887/1.976, allocations: 496.8 kB / 0.9303 GB, free: 53.62 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.02108/1.997, allocations: 4.73 MB / 0.935 GB, free: 53.57 MB / 0.7448 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Simplified4.mo:5:19-5:40:writable] Warning: 'each' used when modifying non-array element valSouth. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Simplified4.mo:4:19-4:40:writable] Warning: 'each' used when modifying non-array element valNorth. [/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 0.05267/2.05, allocations: 11.55 MB / 0.9462 GB, free: 53.29 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.0399/2.09, allocations: 9.379 MB / 0.9554 GB, free: 52.78 MB / 0.7448 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Simplified4.mo:5:19-5:40:writable] Warning: 'each' used when modifying non-array element valSouth. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/Fluid/Examples/FlowSystem/Simplified4.mo:4:19-4:40:writable] Warning: 'each' used when modifying non-array element valNorth. [/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 0.04528/2.135, allocations: 15.93 MB / 0.971 GB, free: 52.34 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02688/2.162, allocations: 11.43 MB / 0.9821 GB, free: 48.27 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 0.03158/2.194, allocations: 10.46 MB / 0.9923 GB, free: 46.95 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03234/2.226, allocations: 10.23 MB / 1.002 GB, free: 44.86 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02676/2.253, allocations: 4.14 MB / 1.006 GB, free: 44.31 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.00958/2.262, allocations: 0.9616 MB / 1.007 GB, free: 44.31 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.0105/2.273, allocations: 3.935 MB / 1.011 GB, free: 43.31 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.01271/2.286, allocations: 1.417 MB / 1.013 GB, free: 43.14 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.03625/2.322, allocations: 19.31 MB / 1.031 GB, free: 26.79 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 4.98e-06/2.322, allocations: 4 kB / 1.031 GB, free: 26.79 MB / 0.7448 GB Notification: Performance of FrontEnd: time 4.548e-06/2.322, allocations: 0 / 1.031 GB, free: 26.79 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0008886/2.323, allocations: 3.188 kB / 1.031 GB, free: 26.79 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: 1786 * Number of variables: 1786 Notification: Performance of Generate backend data structure: time 0.05569/2.379, allocations: 14.67 MB / 1.046 GB, free: 13.01 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 5.602e-05/2.379, allocations: 8.031 kB / 1.046 GB, free: 13 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01689/2.396, allocations: 2.305 MB / 1.048 GB, free: 10.69 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0491/2.445, allocations: 15.9 MB / 1.064 GB, free: 15.5 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00228/2.447, allocations: 0.7366 MB / 1.064 GB, free: 15.02 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005528/2.453, allocations: 0.8011 MB / 1.065 GB, free: 14.48 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.07848/2.531, allocations: 17.89 MB / 1.082 GB, free: 1.297 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004462/2.532, allocations: 15.11 kB / 1.082 GB, free: 1.289 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004684/2.537, allocations: 292 kB / 1.083 GB, free: 1.004 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002909/2.537, allocations: 190.5 kB / 1.083 GB, free: 0.8203 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.08398/2.621, allocations: 22.05 MB / 1.104 GB, free: 10.8 MB / 0.7917 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 0.2074/2.828, allocations: 79.61 MB / 1.182 GB, free: 8.906 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.05934/2.888, allocations: 14.52 MB / 1.196 GB, free: 10.66 MB / 0.8855 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 1.12/4.008, allocations: 40.11 MB / 1.236 GB, free: 372.6 MB / 0.9012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.05143/4.059, allocations: 11.98 MB / 1.247 GB, free: 369.2 MB / 0.9012 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.05309/4.112, allocations: 10.74 MB / 1.258 GB, free: 368.5 MB / 0.9012 GB Notification: Performance of pre-optimization done (n=451): time 4.069e-05/4.112, allocations: 0 / 1.258 GB, free: 368.5 MB / 0.9012 GB Notification: Performance of matching and sorting (n=664): time 2.362/6.474, allocations: 250.7 MB / 1.503 GB, free: 137.2 MB / 0.9012 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001799/6.475, allocations: 487.2 kB / 1.503 GB, free: 136.6 MB / 0.9012 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 0.03044/6.505, allocations: 13.05 MB / 1.516 GB, free: 123.7 MB / 0.9012 GB Notification: Performance of collectPreVariables (initialization): time 0.004374/6.51, allocations: 197.2 kB / 1.516 GB, free: 123.5 MB / 0.9012 GB Notification: Performance of collectInitialEqns (initialization): time 0.01005/6.52, allocations: 6.636 MB / 1.522 GB, free: 117 MB / 0.9012 GB Notification: Performance of collectInitialBindings (initialization): time 0.006315/6.526, allocations: 2.253 MB / 1.525 GB, free: 114.8 MB / 0.9012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00378/6.53, allocations: 168 kB / 1.525 GB, free: 114.6 MB / 0.9012 GB Notification: Performance of setup shared object (initialization): time 0.0006368/6.531, allocations: 0.6382 MB / 1.525 GB, free: 114 MB / 0.9012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03062/6.561, allocations: 9.99 MB / 1.535 GB, free: 104 MB / 0.9012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03292/6.594, allocations: 12.56 MB / 1.547 GB, free: 90.34 MB / 0.9012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.03367/6.628, allocations: 10.97 MB / 1.558 GB, free: 79.34 MB / 0.9012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.316e-05/6.628, allocations: 19.95 kB / 1.558 GB, free: 79.32 MB / 0.9012 GB Notification: Performance of matching and sorting (n=1107) (initialization): time 2.082/8.71, allocations: 132.5 MB / 1.688 GB, free: 327.6 MB / 0.9012 GB Notification: Performance of prepare postOptimizeDAE: time 0.006685/8.717, allocations: 35.53 MB / 1.722 GB, free: 290.3 MB / 0.9012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001891/8.717, allocations: 60.11 kB / 1.722 GB, free: 290.3 MB / 0.9012 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.445/10.16, allocations: 145.1 MB / 1.864 GB, free: 157.1 MB / 0.9012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02186/10.18, allocations: 2.115 MB / 1.866 GB, free: 155.1 MB / 0.9012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.357/10.54, allocations: 97.81 MB / 1.962 GB, free: 57.41 MB / 0.9012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03457/10.58, allocations: 1.666 MB / 1.963 GB, free: 55.8 MB / 0.9012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005475/10.58, allocations: 0.8211 MB / 1.964 GB, free: 54.98 MB / 0.9012 GB Notification: Performance of prepare postOptimizeDAE: time 1.552e-05/10.58, allocations: 4 kB / 1.964 GB, free: 54.98 MB / 0.9012 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 1.851/12.43, allocations: 123.2 MB / 2.084 GB, free: 319.6 MB / 0.9012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000218/12.43, allocations: 68.19 kB / 2.084 GB, free: 319.6 MB / 0.9012 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.359/13.79, allocations: 143.2 MB / 2.224 GB, free: 198.1 MB / 0.9012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01707/13.81, allocations: 1.9 MB / 2.226 GB, free: 196.2 MB / 0.9012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3356/14.14, allocations: 97.72 MB / 2.322 GB, free: 98.56 MB / 0.9012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02885/14.17, allocations: 1.219 MB / 2.323 GB, free: 97.4 MB / 0.9012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004906/14.18, allocations: 0.7655 MB / 2.323 GB, free: 96.63 MB / 0.9012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 242 * 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 (833): * Single equations (assignments): 812 * Array equations: 8 * Algorithm blocks: 1 * Record equations: 4 * When equations: 0 * 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: 2 {(10,42.0%) 78,(28,89.3%) 28} * Non-linear torn systems: 1 {10 78} Notification: Performance of prepare postOptimizeDAE: time 0.0142/14.19, allocations: 3.297 MB / 2.327 GB, free: 93.36 MB / 0.9012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007001/14.2, allocations: 1.297 MB / 2.328 GB, free: 92.76 MB / 0.9012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 1.04/15.24, allocations: 58.21 MB / 2.385 GB, free: 326.6 MB / 0.9012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.4509/15.69, allocations: 52.6 MB / 2.436 GB, free: 322.6 MB / 0.9012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.921e-05/15.69, allocations: 3.906 kB / 2.436 GB, free: 322.6 MB / 0.9012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01243/15.7, allocations: 3.015 MB / 2.439 GB, free: 321.8 MB / 0.9012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.005897/15.71, allocations: 150.1 kB / 2.439 GB, free: 321.6 MB / 0.9012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02732/15.74, allocations: 1.524 MB / 2.441 GB, free: 321.5 MB / 0.9012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.008963/15.75, allocations: 0.9511 MB / 2.442 GB, free: 321.5 MB / 0.9012 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 postOpt createDAEmodeBDAE (simulation): time 0.1355/15.88, allocations: 21.45 MB / 2.463 GB, free: 317 MB / 0.9012 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.