Running command: translateModel(Buildings.Examples.Tutorial.Boiler.System5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Examples.Tutorial.Boiler.System5")
Notification: Performance of loadModel(Buildings): time 3.709/3.709, allocations: 402 MB / 416.6 MB, free: 10.21 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.451e-05/3.457e-05, allocations: 0 / 0.5009 GB, free: 8.262 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1969/0.197, allocations: 92.69 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.Boiler.System5): time 1.873/2.07, allocations: 420.5 MB / 1.002 GB, free: 63.62 MB / 0.7448 GB
Notification: Performance of NFInst.instExpressions: time 0.1052/2.175, allocations: 54.66 MB / 1.055 GB, free: 35.89 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01556/2.19, allocations: 489.5 kB / 1.056 GB, free: 35.41 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.01846/2.209, allocations: 4.366 MB / 1.06 GB, free: 31.68 MB / 0.7448 GB
Notification: Performance of NFTyping.typeBindings: time 0.04466/2.254, allocations: 11.21 MB / 1.071 GB, free: 24.31 MB / 0.7448 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0301/2.284, allocations: 7.825 MB / 1.079 GB, free: 17.2 MB / 0.7448 GB
Notification: Performance of NFFlatten.flatten: time 0.03568/2.319, allocations: 14.07 MB / 1.093 GB, free: 3.945 MB / 0.7448 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01442/2.334, allocations: 6.181 MB / 1.099 GB, free: 13.73 MB / 0.7605 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02221/2.356, allocations: 6.863 MB / 1.105 GB, free: 6.844 MB / 0.7605 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01456/2.371, allocations: 5.076 MB / 1.11 GB, free: 1.75 MB / 0.7605 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02115/2.392, allocations: 3.967 MB / 1.114 GB, free: 13.78 MB / 0.7761 GB
Notification: Performance of NFPackage.collectConstants: time 0.005211/2.397, allocations: 388 kB / 1.114 GB, free: 13.4 MB / 0.7761 GB
Notification: Performance of NFScalarize.scalarize: time 0.005693/2.403, allocations: 2.058 MB / 1.116 GB, free: 11.33 MB / 0.7761 GB
Notification: Performance of NFVerifyModel.verify: time 0.006683/2.41, allocations: 1.078 MB / 1.118 GB, free: 10.25 MB / 0.7761 GB
Notification: Performance of NFConvertDAE.convert: time 0.0299/2.44, allocations: 13.91 MB / 1.131 GB, free: 12.35 MB / 0.7917 GB
Notification: Performance of FrontEnd - DAE generated: time 4.538e-06/2.44, allocations: 4 kB / 1.131 GB, free: 12.34 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.545e-06/2.44, allocations: 0 / 1.131 GB, free: 12.34 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.0006407/2.44, allocations: 0 / 1.131 GB, free: 12.34 MB / 0.7917 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1727
 * Number of variables: 1727
Notification: Performance of Generate backend data structure: time 0.03426/2.475, allocations: 8.844 MB / 1.14 GB, free: 3.387 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 6.235e-05/2.475, allocations: 8.031 kB / 1.14 GB, free: 3.379 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02035/2.495, allocations: 1.937 MB / 1.142 GB, free: 1.426 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0387/2.534, allocations: 8.951 MB / 1.15 GB, free: 8.395 MB / 0.8073 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008723/2.535, allocations: 0.5424 MB / 1.151 GB, free: 7.848 MB / 0.8073 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002894/2.538, allocations: 0.7302 MB / 1.152 GB, free: 7.117 MB / 0.8073 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03636/2.574, allocations: 8.932 MB / 1.16 GB, free: 13.76 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003352/2.574, allocations: 23.81 kB / 1.16 GB, free: 13.74 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001742/2.576, allocations: 299.9 kB / 1.161 GB, free: 13.45 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003798/2.577, allocations: 268.7 kB / 1.161 GB, free: 13.18 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03137/2.608, allocations: 6.91 MB / 1.168 GB, free: 6.254 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 0.0916/2.7, allocations: 41.7 MB / 1.208 GB, free: 9.777 MB / 0.8698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02091/2.72, allocations: 4.757 MB / 1.213 GB, free: 5.059 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.027/3.748, allocations: 9.544 MB / 1.222 GB, free: 354.9 MB / 0.8699 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01721/3.765, allocations: 3.166 MB / 1.225 GB, free: 354 MB / 0.8699 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.005596/3.771, allocations: 420.3 kB / 1.226 GB, free: 353.9 MB / 0.8699 GB
Notification: Performance of pre-optimization done (n=415): time 1.959e-05/3.771, allocations: 3.969 kB / 1.226 GB, free: 353.9 MB / 0.8699 GB
Notification: Performance of matching and sorting (n=443): time 0.1032/3.874, allocations: 18.47 MB / 1.244 GB, free: 346.8 MB / 0.8699 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002688/3.874, allocations: 0.7832 MB / 1.245 GB, free: 345.9 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 0.02297/3.897, allocations: 6.967 MB / 1.251 GB, free: 343.5 MB / 0.8699 GB
Notification: Performance of collectPreVariables (initialization): time 0.001481/3.899, allocations: 142 kB / 1.252 GB, free: 343.4 MB / 0.8699 GB
Notification: Performance of collectInitialEqns (initialization): time 0.006798/3.906, allocations: 4.88 MB / 1.256 GB, free: 339.7 MB / 0.8699 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002848/3.909, allocations: 1.544 MB / 1.258 GB, free: 338.5 MB / 0.8699 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008637/3.909, allocations: 120.7 kB / 1.258 GB, free: 338.4 MB / 0.8699 GB
Notification: Performance of setup shared object (initialization): time 0.0004426/3.91, allocations: 0.5255 MB / 1.259 GB, free: 338 MB / 0.8699 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01071/3.921, allocations: 2.54 MB / 1.261 GB, free: 337.2 MB / 0.8699 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01184/3.933, allocations: 4.303 MB / 1.265 GB, free: 334.2 MB / 0.8699 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01126/3.944, allocations: 3.226 MB / 1.268 GB, free: 332.8 MB / 0.8699 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.331e-05/3.944, allocations: 7.906 kB / 1.268 GB, free: 332.8 MB / 0.8699 GB
Notification: Performance of matching and sorting (n=756) (initialization): time 0.05328/3.997, allocations: 9.821 MB / 1.278 GB, free: 329.4 MB / 0.8699 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004242/4.002, allocations: 21.33 MB / 1.299 GB, free: 306.7 MB / 0.8699 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002017/4.002, allocations: 50.2 kB / 1.299 GB, free: 306.7 MB / 0.8699 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01585/4.018, allocations: 1.882 MB / 1.301 GB, free: 306.4 MB / 0.8699 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01421/4.032, allocations: 1.59 MB / 1.302 GB, free: 306 MB / 0.8699 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02503/4.057, allocations: 19.6 MB / 1.321 GB, free: 287.5 MB / 0.8699 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01535/4.072, allocations: 0.8337 MB / 1.322 GB, free: 287.1 MB / 0.8699 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001542/4.074, allocations: 283 kB / 1.322 GB, free: 287 MB / 0.8699 GB
Notification: Performance of prepare postOptimizeDAE: time 1.396e-05/4.074, allocations: 3.562 kB / 1.322 GB, free: 287 MB / 0.8699 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02398/4.098, allocations: 7.149 MB / 1.329 GB, free: 282.2 MB / 0.8699 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001785/4.098, allocations: 47.98 kB / 1.329 GB, free: 282.1 MB / 0.8699 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01436/4.113, allocations: 1.638 MB / 1.331 GB, free: 280.5 MB / 0.8699 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01038/4.123, allocations: 1.331 MB / 1.332 GB, free: 279.1 MB / 0.8699 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0249/4.148, allocations: 22.24 MB / 1.354 GB, free: 255.3 MB / 0.8699 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01316/4.161, allocations: 0.7191 MB / 1.355 GB, free: 254.6 MB / 0.8699 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001393/4.162, allocations: 256.7 kB / 1.355 GB, free: 254.3 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.System5.spl2.vol.dynBal.Medium.specificInternalEnergy(Buildings.Examples.Tutorial.Boiler.System5.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: 170
 * Number of states: 0 ()
 * Number of discrete variables: 15 ($whenCondition1,$PRE.timTab.nextTimeEvent,timTab.nextTimeEvent,$PRE.timTab.nextTimeEventScaled,timTab.nextTimeEventScaled,$PRE.hysTOut.y,hysTOut.y,$PRE.hysTBoi.y,hysTBoi.y,and1.y,and2.y,$PRE.hysPum.y,hysPum.y,conPIDRad.I.trigger_internal,conPIDBoi.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (698):
 * Single equations (assignments): 658
 * Array equations: 10
 * Algorithm blocks: 2
 * 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%) 4,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 1}
 * Non-linear torn systems: 5 {5 6,1 3,1 3,1 3,1 3}
Notification: Performance of prepare postOptimizeDAE: time 0.007612/4.17, allocations: 2.291 MB / 1.357 GB, free: 252 MB / 0.8699 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003241/4.173, allocations: 0.8795 MB / 1.358 GB, free: 251.1 MB / 0.8699 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04325/4.217, allocations: 8.483 MB / 1.366 GB, free: 242.5 MB / 0.8699 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.03756/4.254, allocations: 6.87 MB / 1.373 GB, free: 235.5 MB / 0.8699 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.631e-05/4.254, allocations: 0 / 1.373 GB, free: 235.5 MB / 0.8699 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.006626/4.261, allocations: 1.692 MB / 1.375 GB, free: 233.7 MB / 0.8699 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003221/4.264, allocations: 116 kB / 1.375 GB, free: 233.6 MB / 0.8699 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01271/4.277, allocations: 0.6897 MB / 1.376 GB, free: 232.9 MB / 0.8699 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001564/4.279, allocations: 339.3 kB / 1.376 GB, free: 232.6 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 0.03253/4.311, allocations: 5.619 MB / 1.381 GB, free: 226.9 MB / 0.8699 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.