Running command: translateModel(Buildings.Fluid.Examples.Performance.Example1v2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Examples.Performance.Example1v2")
Notification: Performance of loadModel(Buildings): time 3.697/3.697, allocations: 402 MB / 416.6 MB, free: 10.18 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.46e-05/3.465e-05, allocations: 4 kB / 0.5009 GB, free: 8.234 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2001/0.2001, allocations: 92.69 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example1v2): time 0.5879/0.788, allocations: 64.74 MB / 0.6547 GB, free: 5.547 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.03977/0.8279, allocations: 17.7 MB / 0.672 GB, free: 8.035 MB / 0.5417 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004651/0.8326, allocations: 131.8 kB / 0.6721 GB, free: 7.984 MB / 0.5417 GB
Notification: Performance of NFTyping.typeComponents: time 0.005621/0.8383, allocations: 1.2 MB / 0.6733 GB, free: 6.918 MB / 0.5417 GB
Notification: Performance of NFTyping.typeBindings: time 0.01234/0.8506, allocations: 2.788 MB / 0.676 GB, free: 4.383 MB / 0.5417 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01437/0.865, allocations: 3.339 MB / 0.6792 GB, free: 2 MB / 0.5417 GB
Notification: Performance of NFFlatten.flatten: time 0.02291/0.888, allocations: 11.11 MB / 0.6901 GB, free: 9.461 MB / 0.5573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02089/0.9089, allocations: 10.1 MB / 0.7 GB, free: 15.32 MB / 0.573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.01714/0.9261, allocations: 7.212 MB / 0.707 GB, free: 8.094 MB / 0.573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02383/0.95, allocations: 8.036 MB / 0.7149 GB, free: 40 kB / 0.573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01229/0.9623, allocations: 1.717 MB / 0.7165 GB, free: 14.32 MB / 0.5886 GB
Notification: Performance of NFPackage.collectConstants: time 0.006103/0.9685, allocations: 0.7851 MB / 0.7173 GB, free: 13.54 MB / 0.5886 GB
Notification: Performance of NFScalarize.scalarize: time 0.007202/0.9757, allocations: 2.762 MB / 0.72 GB, free: 10.77 MB / 0.5886 GB
Notification: Performance of NFVerifyModel.verify: time 0.006999/0.9828, allocations: 0.9414 MB / 0.7209 GB, free: 9.824 MB / 0.5886 GB
Notification: Performance of NFConvertDAE.convert: time 0.02614/1.009, allocations: 13.93 MB / 0.7345 GB, free: 11.86 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 3.848e-06/1.009, allocations: 0 / 0.7345 GB, free: 11.86 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.605e-06/1.009, allocations: 0 / 0.7345 GB, free: 11.86 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0005165/1.01, allocations: 0 / 0.7345 GB, free: 11.86 MB / 0.6042 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1442
 * Number of variables: 1442
Notification: Performance of Generate backend data structure: time 0.05138/1.061, allocations: 11.52 MB / 0.7458 GB, free: 260 kB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 5.53e-05/1.061, allocations: 8.031 kB / 0.7458 GB, free: 252 kB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01055/1.072, allocations: 1.281 MB / 0.747 GB, free: 14.95 MB / 0.6198 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.03142/1.103, allocations: 8.324 MB / 0.7552 GB, free: 6.543 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007327/1.104, allocations: 452.3 kB / 0.7556 GB, free: 6.102 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004145/1.108, allocations: 0.5897 MB / 0.7562 GB, free: 5.512 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.05642/1.165, allocations: 15.41 MB / 0.7712 GB, free: 5.746 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003304/1.165, allocations: 23.8 kB / 0.7712 GB, free: 5.723 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0036/1.169, allocations: 252 kB / 0.7715 GB, free: 5.477 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001807/1.169, allocations: 144 kB / 0.7716 GB, free: 5.336 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.08116/1.25, allocations: 20.44 MB / 0.7916 GB, free: 0.875 MB / 0.6511 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 0.1922/1.442, allocations: 68.47 MB / 0.8584 GB, free: 10.82 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.03408/1.476, allocations: 10.4 MB / 0.8686 GB, free: 408 kB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.9941/2.47, allocations: 25.8 MB / 0.8938 GB, free: 235.8 MB / 0.7449 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.03276/2.503, allocations: 9.376 MB / 0.903 GB, free: 232.9 MB / 0.7449 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.05189/2.555, allocations: 11.62 MB / 0.9143 GB, free: 231.4 MB / 0.7449 GB
Notification: Performance of pre-optimization done (n=369): time 2.951e-05/2.555, allocations: 1.125 kB / 0.9143 GB, free: 231.4 MB / 0.7449 GB
Notification: Performance of matching and sorting (n=469): time 0.5016/3.057, allocations: 197.2 MB / 1.107 GB, free: 47.11 MB / 0.7449 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001196/3.057, allocations: 338.4 kB / 1.107 GB, free: 46.71 MB / 0.7449 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 val.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 val.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 val.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 val.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 0.01424/3.071, allocations: 6.78 MB / 1.114 GB, free: 39.99 MB / 0.7449 GB
Notification: Performance of collectPreVariables (initialization): time 0.003167/3.075, allocations: 127 kB / 1.114 GB, free: 39.86 MB / 0.7449 GB
Notification: Performance of collectInitialEqns (initialization): time 0.004704/3.079, allocations: 3.955 MB / 1.118 GB, free: 35.95 MB / 0.7449 GB
Notification: Performance of collectInitialBindings (initialization): time 0.004709/3.084, allocations: 1.646 MB / 1.119 GB, free: 34.32 MB / 0.7449 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.002766/3.087, allocations: 113.7 kB / 1.12 GB, free: 34.21 MB / 0.7449 GB
Notification: Performance of setup shared object (initialization): time 0.0004272/3.087, allocations: 0.5337 MB / 1.12 GB, free: 33.67 MB / 0.7449 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02075/3.108, allocations: 7.864 MB / 1.128 GB, free: 25.8 MB / 0.7449 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02207/3.13, allocations: 9.697 MB / 1.137 GB, free: 15.29 MB / 0.7449 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02286/3.153, allocations: 8.899 MB / 1.146 GB, free: 6.332 MB / 0.7449 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.414e-05/3.153, allocations: 16 kB / 1.146 GB, free: 6.316 MB / 0.7449 GB
Notification: Performance of matching and sorting (n=727) (initialization): time 0.09125/3.244, allocations: 21.35 MB / 1.167 GB, free: 0.8203 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 0.5251/3.77, allocations: 23.96 MB / 1.19 GB, free: 255.9 MB / 0.7762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001687/3.77, allocations: 47.3 kB / 1.19 GB, free: 255.9 MB / 0.7762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.1402/3.91, allocations: 11.76 MB / 1.202 GB, free: 255.6 MB / 0.7762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02397/3.934, allocations: 2.05 MB / 1.204 GB, free: 255.5 MB / 0.7762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0352/3.969, allocations: 9.371 MB / 1.213 GB, free: 251.1 MB / 0.7762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01968/3.989, allocations: 0.5298 MB / 1.213 GB, free: 250.9 MB / 0.7762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004305/3.993, allocations: 0.5881 MB / 1.214 GB, free: 250.9 MB / 0.7762 GB
Notification: Performance of prepare postOptimizeDAE: time 1.789e-05/3.993, allocations: 8.562 kB / 1.214 GB, free: 250.9 MB / 0.7762 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0652/4.059, allocations: 19.55 MB / 1.233 GB, free: 243.3 MB / 0.7762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002316/4.059, allocations: 43.56 kB / 1.233 GB, free: 243.3 MB / 0.7762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.1305/4.189, allocations: 11.16 MB / 1.244 GB, free: 236.8 MB / 0.7762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01996/4.209, allocations: 1.946 MB / 1.246 GB, free: 234.8 MB / 0.7762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02116/4.231, allocations: 11.69 MB / 1.257 GB, free: 222.8 MB / 0.7762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01781/4.249, allocations: 473.3 kB / 1.258 GB, free: 222.4 MB / 0.7762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004137/4.253, allocations: 0.5773 MB / 1.258 GB, free: 221.8 MB / 0.7762 GB
Warning: Assuming fixed start value for the following 1 variables:
         pump.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = pump.vol.V * pump.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: 203
 * Number of states: 0 ()
 * Number of discrete variables: 8 ($whenCondition1,$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count,from_dp.y,nRes.y,allowFlowReversal.y)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (673):
 * Single equations (assignments): 661
 * Array equations: 3
 * Algorithm blocks: 1
 * Record equations: 2
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 1
 * Torn equation systems: 5
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 1 {1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(1,100.0%) 1}
 * Non-linear torn systems: 4 {1 3,20 21,1 3,1 1}
Notification: Performance of prepare postOptimizeDAE: time 0.01014/4.263, allocations: 2.714 MB / 1.261 GB, free: 219.1 MB / 0.7762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.004625/4.268, allocations: 0.7918 MB / 1.262 GB, free: 218.7 MB / 0.7762 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.07823/4.346, allocations: 19.17 MB / 1.28 GB, free: 199.5 MB / 0.7762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.05338/4.399, allocations: 13.86 MB / 1.294 GB, free: 185.4 MB / 0.7762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.86e-05/4.399, allocations: 4.812 kB / 1.294 GB, free: 185.4 MB / 0.7762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.008495/4.408, allocations: 2.223 MB / 1.296 GB, free: 183.6 MB / 0.7762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003936/4.412, allocations: 129 kB / 1.296 GB, free: 183.5 MB / 0.7762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0143/4.426, allocations: 489.8 kB / 1.297 GB, free: 183 MB / 0.7762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002662/4.429, allocations: 375.8 kB / 1.297 GB, free: 182.7 MB / 0.7762 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 0.05462/4.484, allocations: 8.985 MB / 1.306 GB, free: 173.8 MB / 0.7762 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.