Running command: translateModel(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.WatersideEconomizer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.WatersideEconomizer")
Notification: Performance of loadModel(Buildings): time 3.654/3.654, allocations: 402 MB / 416.6 MB, free: 10.18 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.845e-05/3.853e-05, allocations: 4 kB / 0.501 GB, free: 8.211 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1936/0.1936, allocations: 92.69 MB / 0.5915 GB, free: 11.35 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.WatersideEconomizer): time 0.7473/0.941, allocations: 82.59 MB / 0.6721 GB, free: 7.715 MB / 0.5417 GB
Notification: Performance of NFInst.instExpressions: time 0.04064/0.9817, allocations: 17.85 MB / 0.6896 GB, free: 9.875 MB / 0.5573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.005011/0.9868, allocations: 138.3 kB / 0.6897 GB, free: 9.82 MB / 0.5573 GB
Notification: Performance of NFTyping.typeComponents: time 0.00673/0.9936, allocations: 1.437 MB / 0.6911 GB, free: 8.531 MB / 0.5573 GB
Notification: Performance of NFTyping.typeBindings: time 0.0134/1.007, allocations: 2.979 MB / 0.694 GB, free: 5.543 MB / 0.5573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01427/1.021, allocations: 3.374 MB / 0.6973 GB, free: 2.188 MB / 0.5573 GB
Notification: Performance of NFFlatten.flatten: time 0.01054/1.032, allocations: 3.411 MB / 0.7006 GB, free: 14.77 MB / 0.573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003802/1.036, allocations: 1.583 MB / 0.7022 GB, free: 13.18 MB / 0.573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.009296/1.045, allocations: 2.154 MB / 0.7043 GB, free: 11.02 MB / 0.573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005495/1.051, allocations: 1.366 MB / 0.7056 GB, free: 9.652 MB / 0.573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00616/1.057, allocations: 1.467 MB / 0.7071 GB, free: 8.184 MB / 0.573 GB
Notification: Performance of NFPackage.collectConstants: time 0.001132/1.058, allocations: 124 kB / 0.7072 GB, free: 8.062 MB / 0.573 GB
Notification: Performance of NFScalarize.scalarize: time 0.0009682/1.059, allocations: 0.5406 MB / 0.7077 GB, free: 7.52 MB / 0.573 GB
Notification: Performance of NFVerifyModel.verify: time 0.001335/1.06, allocations: 288 kB / 0.708 GB, free: 7.238 MB / 0.573 GB
Notification: Performance of NFConvertDAE.convert: time 0.009269/1.07, allocations: 4.974 MB / 0.7128 GB, free: 2.254 MB / 0.573 GB
Notification: Performance of FrontEnd - DAE generated: time 3.907e-06/1.07, allocations: 0 / 0.7128 GB, free: 2.254 MB / 0.573 GB
Notification: Performance of FrontEnd: time 5.951e-06/1.07, allocations: 0 / 0.7128 GB, free: 2.254 MB / 0.573 GB
Notification: Performance of Transformations before backend: time 0.0001161/1.07, allocations: 3.938 kB / 0.7128 GB, free: 2.25 MB / 0.573 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 447
 * Number of variables: 447
Notification: Performance of Generate backend data structure: time 0.00808/1.078, allocations: 2.734 MB / 0.7155 GB, free: 15.45 MB / 0.5886 GB
Notification: Performance of prepare preOptimizeDAE: time 5.433e-05/1.078, allocations: 8.031 kB / 0.7155 GB, free: 15.44 MB / 0.5886 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004023/1.082, allocations: 0.6126 MB / 0.7161 GB, free: 14.82 MB / 0.5886 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008027/1.09, allocations: 2.956 MB / 0.719 GB, free: 11.8 MB / 0.5886 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001345/1.091, allocations: 283.9 kB / 0.7193 GB, free: 11.53 MB / 0.5886 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005139/1.092, allocations: 200 kB / 0.7195 GB, free: 11.33 MB / 0.5886 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.009247/1.101, allocations: 2.613 MB / 0.722 GB, free: 8.566 MB / 0.5886 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.32e-05/1.101, allocations: 7.938 kB / 0.722 GB, free: 8.559 MB / 0.5886 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003195/1.102, allocations: 76 kB / 0.7221 GB, free: 8.484 MB / 0.5886 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.011e-05/1.102, allocations: 48 kB / 0.7221 GB, free: 8.438 MB / 0.5886 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009357/1.111, allocations: 2.214 MB / 0.7243 GB, free: 6.219 MB / 0.5886 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 0.02703/1.138, allocations: 13.31 MB / 0.7373 GB, free: 8.031 MB / 0.6042 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008543/1.147, allocations: 2.326 MB / 0.7396 GB, free: 5.574 MB / 0.6042 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001519/1.148, allocations: 0.6011 MB / 0.7402 GB, free: 4.863 MB / 0.6042 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005087/1.153, allocations: 1.146 MB / 0.7413 GB, free: 3.668 MB / 0.6042 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.001708/1.155, allocations: 210.4 kB / 0.7415 GB, free: 3.461 MB / 0.6042 GB
Notification: Performance of pre-optimization done (n=116): time 5.049e-06/1.155, allocations: 0 / 0.7415 GB, free: 3.461 MB / 0.6042 GB
Notification: Performance of matching and sorting (n=116): time 0.01532/1.171, allocations: 2.995 MB / 0.7444 GB, free: 424 kB / 0.6042 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003551/1.171, allocations: 0.6268 MB / 0.745 GB, free: 15.64 MB / 0.6198 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 WSE.heaExc.thrWayVal.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 WSE.heaExc.thrWayVal.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 WSE.heaExc.thrWayVal.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 WSE.heaExc.thrWayVal.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 0.006008/1.177, allocations: 2.482 MB / 0.7474 GB, free: 13.16 MB / 0.6198 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004455/1.177, allocations: 61.64 kB / 0.7475 GB, free: 13.09 MB / 0.6198 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001957/1.179, allocations: 1.367 MB / 0.7488 GB, free: 11.71 MB / 0.6198 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006509/1.18, allocations: 402.2 kB / 0.7492 GB, free: 11.32 MB / 0.6198 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001751/1.18, allocations: 32 kB / 0.7492 GB, free: 11.29 MB / 0.6198 GB
Notification: Performance of setup shared object (initialization): time 0.0002271/1.18, allocations: 377.9 kB / 0.7496 GB, free: 10.91 MB / 0.6198 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003643/1.184, allocations: 0.9526 MB / 0.7505 GB, free: 9.957 MB / 0.6198 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004165/1.188, allocations: 1.518 MB / 0.752 GB, free: 8.211 MB / 0.6198 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003913/1.192, allocations: 1.156 MB / 0.7531 GB, free: 7.055 MB / 0.6198 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.059e-05/1.192, allocations: 0 / 0.7531 GB, free: 7.055 MB / 0.6198 GB
Notification: Performance of matching and sorting (n=227) (initialization): time 0.01305/1.205, allocations: 3.016 MB / 0.7561 GB, free: 4.012 MB / 0.6198 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002176/1.208, allocations: 4.649 MB / 0.7606 GB, free: 15.07 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.13e-05/1.208, allocations: 19.98 kB / 0.7606 GB, free: 15.05 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001298/1.209, allocations: 217.6 kB / 0.7609 GB, free: 14.83 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004577/1.214, allocations: 495.2 kB / 0.7613 GB, free: 14.34 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002922/1.217, allocations: 1.945 MB / 0.7632 GB, free: 12.32 MB / 0.6355 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004694/1.221, allocations: 299.7 kB / 0.7635 GB, free: 12.03 MB / 0.6355 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002918/1.222, allocations: 83.95 kB / 0.7636 GB, free: 11.95 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 1.586e-05/1.222, allocations: 11.95 kB / 0.7636 GB, free: 11.94 MB / 0.6355 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007883/1.229, allocations: 2.416 MB / 0.766 GB, free: 9.512 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.656e-05/1.23, allocations: 20.16 kB / 0.766 GB, free: 9.492 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0007571/1.23, allocations: 129.6 kB / 0.7661 GB, free: 9.359 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00351/1.234, allocations: 443.3 kB / 0.7665 GB, free: 8.926 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003097/1.237, allocations: 2.351 MB / 0.7688 GB, free: 6.395 MB / 0.6355 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004067/1.241, allocations: 255.6 kB / 0.7691 GB, free: 6.145 MB / 0.6355 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002523/1.241, allocations: 79.97 kB / 0.7691 GB, free: 6.066 MB / 0.6355 GB
Warning: Assuming fixed start value for the following 1 variables:
         WSE.heaExc.thrWayVal.filter.x[1]:VARIABLE(flow=false fixed = true stateSelect=StateSelect.always protected = true )  "Filter states" type: Real [2]
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 48
 * Number of states: 0 ()
 * Number of discrete variables: 9 ($whenCondition1,TCon_in.a,TCon_in.b,TCon_in.last,$PRE.TCon_in.nextEvent,TCon_in.nextEvent,TCon_in.nextEventScaled,WSE.on[1],WSE.heaExc.con.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (205):
 * Single equations (assignments): 191
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 4
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 1
 * Torn equation systems: 2
 * 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: 0
 * Non-linear torn systems: 2 {1 4,1 2}
Notification: Performance of prepare postOptimizeDAE: time 0.002326/1.244, allocations: 0.802 MB / 0.7699 GB, free: 5.25 MB / 0.6355 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007166/1.244, allocations: 288.4 kB / 0.7702 GB, free: 4.965 MB / 0.6355 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01005/1.254, allocations: 2.273 MB / 0.7724 GB, free: 2.68 MB / 0.6355 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.008277/1.263, allocations: 1.926 MB / 0.7743 GB, free: 0.6914 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.786e-06/1.263, allocations: 4 kB / 0.7743 GB, free: 0.6875 MB / 0.6355 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00191/1.265, allocations: 0.6221 MB / 0.7749 GB, free: 44 kB / 0.6355 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005882/1.265, allocations: 43.98 kB / 0.775 GB, free: 0 / 0.6355 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003477/1.269, allocations: 235.6 kB / 0.7752 GB, free: 15.77 MB / 0.6511 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003068/1.269, allocations: 84.81 kB / 0.7753 GB, free: 15.69 MB / 0.6511 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 0.009391/1.279, allocations: 1.985 MB / 0.7772 GB, free: 13.67 MB / 0.6511 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.