Running command: translateModel(Buildings.Examples.Tutorial.Boiler.System3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Examples.Tutorial.Boiler.System3")
Notification: Performance of loadModel(Buildings): time 3.77/3.771, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.743e-05/3.753e-05, allocations: 4 kB / 0.5009 GB, free: 8.262 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2386/0.2386, allocations: 92.69 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.Boiler.System3): time 1.828/2.067, allocations: 419.1 MB / 1.001 GB, free: 63.37 MB / 0.7448 GB
Notification: Performance of NFInst.instExpressions: time 0.106/2.173, allocations: 54.12 MB / 1.054 GB, free: 37.66 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01468/2.187, allocations: 456.4 kB / 1.054 GB, free: 37.21 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.01771/2.205, allocations: 4.204 MB / 1.058 GB, free: 33.64 MB / 0.7448 GB
Notification: Performance of NFTyping.typeBindings: time 0.04385/2.249, allocations: 11.08 MB / 1.069 GB, free: 26.37 MB / 0.7448 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02992/2.279, allocations: 7.552 MB / 1.076 GB, free: 19.48 MB / 0.7448 GB
Notification: Performance of NFFlatten.flatten: time 0.0347/2.314, allocations: 13.73 MB / 1.09 GB, free: 6.855 MB / 0.7448 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01725/2.331, allocations: 5.911 MB / 1.095 GB, free: 0.9023 MB / 0.7448 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02674/2.358, allocations: 6.68 MB / 1.102 GB, free: 10.2 MB / 0.7605 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01854/2.376, allocations: 4.944 MB / 1.107 GB, free: 5.242 MB / 0.7605 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02694/2.403, allocations: 3.928 MB / 1.111 GB, free: 1.309 MB / 0.7605 GB
Notification: Performance of NFPackage.collectConstants: time 0.00585/2.409, allocations: 379.9 kB / 1.111 GB, free: 0.9375 MB / 0.7605 GB
Notification: Performance of NFScalarize.scalarize: time 0.006621/2.416, allocations: 1.981 MB / 1.113 GB, free: 14.95 MB / 0.7761 GB
Notification: Performance of NFVerifyModel.verify: time 0.00825/2.424, allocations: 1.055 MB / 1.114 GB, free: 13.89 MB / 0.7761 GB
Notification: Performance of NFConvertDAE.convert: time 0.03561/2.46, allocations: 13.5 MB / 1.127 GB, free: 408 kB / 0.7761 GB
Notification: Performance of FrontEnd - DAE generated: time 3.737e-06/2.46, allocations: 0 / 1.127 GB, free: 408 kB / 0.7761 GB
Notification: Performance of FrontEnd: time 2.575e-06/2.46, allocations: 0 / 1.127 GB, free: 408 kB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0005463/2.46, allocations: 0 / 1.127 GB, free: 408 kB / 0.7761 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1640
 * Number of variables: 1640
Notification: Performance of Generate backend data structure: time 0.0243/2.485, allocations: 8.378 MB / 1.135 GB, free: 7.914 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 5.334e-05/2.485, allocations: 12.03 kB / 1.135 GB, free: 7.902 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01466/2.499, allocations: 1.879 MB / 1.137 GB, free: 6.008 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.03026/2.53, allocations: 8.632 MB / 1.146 GB, free: 13.29 MB / 0.8073 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006571/2.53, allocations: 0.5105 MB / 1.146 GB, free: 12.77 MB / 0.8073 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002272/2.533, allocations: 0.6912 MB / 1.147 GB, free: 12.08 MB / 0.8073 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03188/2.565, allocations: 8.575 MB / 1.155 GB, free: 3.102 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002308/2.565, allocations: 27.78 kB / 1.155 GB, free: 3.074 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00108/2.566, allocations: 268 kB / 1.155 GB, free: 2.812 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003799/2.566, allocations: 268 kB / 1.156 GB, free: 2.547 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.029/2.595, allocations: 6.671 MB / 1.162 GB, free: 11.85 MB / 0.823 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 0.1106/2.706, allocations: 40.33 MB / 1.202 GB, free: 0.7695 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02777/2.737, allocations: 4.503 MB / 1.206 GB, free: 12.3 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0454/2.783, allocations: 9.302 MB / 1.215 GB, free: 2.574 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.001/3.784, allocations: 3.037 MB / 1.218 GB, free: 357.3 MB / 0.8699 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.005788/3.79, allocations: 400.9 kB / 1.218 GB, free: 357.3 MB / 0.8699 GB
Notification: Performance of pre-optimization done (n=385): time 3.534e-05/3.79, allocations: 2.344 kB / 1.218 GB, free: 357.3 MB / 0.8699 GB
Notification: Performance of matching and sorting (n=413): time 0.1002/3.89, allocations: 17.94 MB / 1.236 GB, free: 351 MB / 0.8699 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002358/3.89, allocations: 0.7296 MB / 1.237 GB, free: 350.1 MB / 0.8699 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 valBoi.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 valBoi.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 valBoi.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 valBoi.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 valRad.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 valRad.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 valRad.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 valRad.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 0.02056/3.911, allocations: 6.66 MB / 1.243 GB, free: 347.8 MB / 0.8699 GB
Notification: Performance of collectPreVariables (initialization): time 0.001353/3.912, allocations: 127.6 kB / 1.243 GB, free: 347.7 MB / 0.8699 GB
Notification: Performance of collectInitialEqns (initialization): time 0.006393/3.919, allocations: 4.591 MB / 1.248 GB, free: 344.3 MB / 0.8699 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002778/3.922, allocations: 1.45 MB / 1.249 GB, free: 343.2 MB / 0.8699 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007342/3.922, allocations: 109.6 kB / 1.249 GB, free: 343.1 MB / 0.8699 GB
Notification: Performance of setup shared object (initialization): time 0.0004639/3.923, allocations: 0.5251 MB / 1.25 GB, free: 342.7 MB / 0.8699 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01029/3.933, allocations: 2.442 MB / 1.252 GB, free: 341.8 MB / 0.8699 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01196/3.945, allocations: 4.145 MB / 1.256 GB, free: 339 MB / 0.8699 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01177/3.957, allocations: 3.097 MB / 1.259 GB, free: 337.6 MB / 0.8699 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.176e-05/3.957, allocations: 10.56 kB / 1.259 GB, free: 337.6 MB / 0.8699 GB
Notification: Performance of matching and sorting (n=715) (initialization): time 0.04773/4.005, allocations: 9.118 MB / 1.268 GB, free: 334.4 MB / 0.8699 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003983/4.009, allocations: 19.91 MB / 1.288 GB, free: 313.5 MB / 0.8699 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002066/4.009, allocations: 47.14 kB / 1.288 GB, free: 313.5 MB / 0.8699 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01581/4.025, allocations: 1.871 MB / 1.29 GB, free: 313.2 MB / 0.8699 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01378/4.039, allocations: 1.532 MB / 1.291 GB, free: 313.1 MB / 0.8699 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0231/4.062, allocations: 19.44 MB / 1.31 GB, free: 295.4 MB / 0.8699 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01514/4.077, allocations: 0.8034 MB / 1.311 GB, free: 295.3 MB / 0.8699 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00163/4.079, allocations: 268.5 kB / 1.311 GB, free: 295.2 MB / 0.8699 GB
Notification: Performance of prepare postOptimizeDAE: time 1.617e-05/4.079, allocations: 6.375 kB / 1.311 GB, free: 295.2 MB / 0.8699 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02961/4.108, allocations: 7.245 MB / 1.318 GB, free: 291.8 MB / 0.8699 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001732/4.109, allocations: 44.73 kB / 1.318 GB, free: 291.8 MB / 0.8699 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01415/4.123, allocations: 1.637 MB / 1.32 GB, free: 291 MB / 0.8699 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01015/4.133, allocations: 1.28 MB / 1.321 GB, free: 290.7 MB / 0.8699 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02377/4.157, allocations: 22.16 MB / 1.343 GB, free: 268.1 MB / 0.8699 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01285/4.17, allocations: 0.688 MB / 1.343 GB, free: 267.4 MB / 0.8699 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001363/4.171, allocations: 243.9 kB / 1.344 GB, free: 267.2 MB / 0.8699 GB
Warning: Assuming fixed start value for the following 7 variables:
         spl1.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = spl1.vol.V * spl1.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
         valRad.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = valRad.vol.V * valRad.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
         spl4.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = spl4.vol.V * spl4.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
         spl.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = spl.vol.V * spl.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
         pumRad.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = pumRad.vol.V * pumRad.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
         spl2.vol.dynBal.U:VARIABLE(start = spl2.vol.dynBal.fluidVolume * spl2.vol.dynBal.rho_start * Buildings.Examples.Tutorial.Boiler.System3.spl2.vol.dynBal.Medium.specificInternalEnergy(Buildings.Examples.Tutorial.Boiler.System3.spl2.vol.dynBal.Medium.setState_pTX(spl2.vol.dynBal.p_start, spl2.vol.dynBal.T_start, {})) + (spl2.vol.dynBal.T_start - 273.15) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true )  "Internal energy of fluid" type: Real
         mix2.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = mix2.vol.V * mix2.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 162
 * Number of states: 0 ()
 * Number of discrete variables: 7 ($whenCondition1,$PRE.timTab.nextTimeEvent,timTab.nextTimeEvent,$PRE.timTab.nextTimeEventScaled,timTab.nextTimeEventScaled,$PRE.hysPum.y,hysPum.y)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (657):
 * Single equations (assignments): 618
 * Array equations: 10
 * Algorithm blocks: 1
 * Record equations: 8
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 8
 * Torn equation systems: 12
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 8 {1,1,1,1,1,1,1,1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 7 {(1,100.0%) 5,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 4}
 * Non-linear torn systems: 5 {4 7,1 3,1 3,1 3,1 3}
Notification: Performance of prepare postOptimizeDAE: time 0.007241/4.178, allocations: 2.219 MB / 1.346 GB, free: 265 MB / 0.8699 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003085/4.181, allocations: 0.8371 MB / 1.347 GB, free: 264.1 MB / 0.8699 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04232/4.224, allocations: 8.223 MB / 1.355 GB, free: 255.8 MB / 0.8699 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.03683/4.261, allocations: 6.687 MB / 1.361 GB, free: 249 MB / 0.8699 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.694e-05/4.261, allocations: 7.812 kB / 1.361 GB, free: 249 MB / 0.8699 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00644/4.267, allocations: 1.637 MB / 1.363 GB, free: 247.3 MB / 0.8699 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003075/4.27, allocations: 112 kB / 1.363 GB, free: 247.2 MB / 0.8699 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01227/4.282, allocations: 0.6432 MB / 1.363 GB, free: 246.6 MB / 0.8699 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001416/4.284, allocations: 315.2 kB / 1.364 GB, free: 246.3 MB / 0.8699 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 0.03157/4.315, allocations: 5.487 MB / 1.369 GB, free: 240.8 MB / 0.8699 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.