Running command: translateModel(Buildings.Fluid.Storage.Validation.StratifiedLoadingUnloading,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Storage.Validation.StratifiedLoadingUnloading") Notification: Performance of loadModel(Buildings): time 3.62/3.62, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.595e-05/3.606e-05, allocations: 7.984 kB / 0.5009 GB, free: 8.254 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1998/0.1998, allocations: 92.68 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.Validation.StratifiedLoadingUnloading): time 0.5921/0.792, allocations: 49.12 MB / 0.6394 GB, free: 364 kB / 0.5105 GB Notification: Performance of NFInst.instExpressions: time 0.03454/0.8266, allocations: 16.18 MB / 0.6552 GB, free: 5.254 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003575/0.8303, allocations: 97.56 kB / 0.6553 GB, free: 5.227 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.00421/0.8345, allocations: 0.8133 MB / 0.6561 GB, free: 4.508 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.009445/0.844, allocations: 1.937 MB / 0.658 GB, free: 2.695 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.006092/0.8501, allocations: 1.214 MB / 0.6592 GB, free: 1.785 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.01927/0.8694, allocations: 8.82 MB / 0.6678 GB, free: 11.49 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01265/0.8821, allocations: 5.271 MB / 0.6729 GB, free: 8.48 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01243/0.8946, allocations: 3.973 MB / 0.6768 GB, free: 6.453 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0112/0.9059, allocations: 3.545 MB / 0.6803 GB, free: 3.602 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007676/0.9136, allocations: 0.6868 MB / 0.681 GB, free: 2.914 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.002692/0.9164, allocations: 268 kB / 0.6812 GB, free: 2.652 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.003721/0.9201, allocations: 1.335 MB / 0.6825 GB, free: 1.312 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.005208/0.9254, allocations: 0.7812 MB / 0.6833 GB, free: 0.5312 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.01867/0.9441, allocations: 10.21 MB / 0.6933 GB, free: 6.297 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.088e-06/0.9442, allocations: 0 / 0.6933 GB, free: 6.297 MB / 0.5573 GB Notification: Performance of FrontEnd: time 3.637e-06/0.9442, allocations: 0 / 0.6933 GB, free: 6.297 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0004761/0.9447, allocations: 0 / 0.6933 GB, free: 6.297 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1609 * Number of variables: 1609 Notification: Performance of Generate backend data structure: time 0.0215/0.9662, allocations: 6.141 MB / 0.6992 GB, free: 72 kB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.569e-05/0.9663, allocations: 12.03 kB / 0.6993 GB, free: 60 kB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005545/0.9718, allocations: 0.8809 MB / 0.7001 GB, free: 15.17 MB / 0.573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02015/0.992, allocations: 5.779 MB / 0.7058 GB, free: 9.328 MB / 0.573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007501/0.9928, allocations: 476.5 kB / 0.7062 GB, free: 8.859 MB / 0.573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00266/0.9955, allocations: 0.6209 MB / 0.7068 GB, free: 8.238 MB / 0.573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03062/1.026, allocations: 9.092 MB / 0.7157 GB, free: 14.73 MB / 0.5886 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003398/1.027, allocations: 23.81 kB / 0.7157 GB, free: 14.7 MB / 0.5886 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002059/1.029, allocations: 272 kB / 0.716 GB, free: 14.44 MB / 0.5886 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000321/1.029, allocations: 195.9 kB / 0.7162 GB, free: 14.25 MB / 0.5886 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02544/1.054, allocations: 7.516 MB / 0.7235 GB, free: 6.723 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 0.103/1.158, allocations: 39.48 MB / 0.7621 GB, free: 12.99 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01258/1.17, allocations: 4.562 MB / 0.7665 GB, free: 8.398 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001981/1.172, allocations: 0.5107 MB / 0.767 GB, free: 7.812 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.008805/1.181, allocations: 2.781 MB / 0.7697 GB, free: 4.977 MB / 0.6355 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.004328/1.185, allocations: 0.4991 MB / 0.7702 GB, free: 4.473 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=362): time 1.619e-05/1.185, allocations: 0 / 0.7702 GB, free: 4.473 MB / 0.6355 GB Notification: Performance of matching and sorting (n=390): time 0.07467/1.26, allocations: 20.38 MB / 0.7901 GB, free: 15.9 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001667/1.26, allocations: 252.6 kB / 0.7904 GB, free: 15.61 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01391/1.274, allocations: 4.973 MB / 0.7952 GB, free: 10.66 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.001/1.275, allocations: 93.7 kB / 0.7953 GB, free: 10.56 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.004997/1.28, allocations: 3.198 MB / 0.7984 GB, free: 7.328 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.002853/1.283, allocations: 1.371 MB / 0.7998 GB, free: 5.938 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005597/1.284, allocations: 100 kB / 0.7999 GB, free: 5.84 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0004927/1.284, allocations: 0.5047 MB / 0.8004 GB, free: 5.328 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007786/1.292, allocations: 2.477 MB / 0.8028 GB, free: 2.844 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.009512/1.302, allocations: 4.047 MB / 0.8067 GB, free: 14.08 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009186/1.311, allocations: 3.3 MB / 0.81 GB, free: 10.77 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.375e-05/1.311, allocations: 16 kB / 0.81 GB, free: 10.75 MB / 0.6823 GB Notification: Performance of matching and sorting (n=636) (initialization): time 0.0239/1.335, allocations: 7.541 MB / 0.8173 GB, free: 3.168 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001001/1.335, allocations: 57.69 kB / 0.8174 GB, free: 3.105 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.784e-05/1.335, allocations: 48 kB / 0.8174 GB, free: 3.059 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001717/1.337, allocations: 442 kB / 0.8179 GB, free: 2.621 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00956/1.347, allocations: 1.197 MB / 0.819 GB, free: 1.422 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009565/1.356, allocations: 5.329 MB / 0.8242 GB, free: 11.82 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009204/1.365, allocations: 482.8 kB / 0.8247 GB, free: 11.35 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001264/1.367, allocations: 236 kB / 0.8249 GB, free: 11.12 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 223 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (607): * Single equations (assignments): 604 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(1,100.0%) 14,(1,100.0%) 14} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.00722/1.374, allocations: 2.506 MB / 0.8274 GB, free: 8.602 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002034/1.376, allocations: 0.5403 MB / 0.8279 GB, free: 8.055 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02354/1.4, allocations: 7.022 MB / 0.8347 GB, free: 0.9492 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01801/1.418, allocations: 5.784 MB / 0.8404 GB, free: 11.09 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.316e-05/1.418, allocations: 0 / 0.8404 GB, free: 11.09 MB / 0.7136 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005448/1.423, allocations: 1.4 MB / 0.8418 GB, free: 9.664 MB / 0.7136 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00197/1.425, allocations: 99.97 kB / 0.8419 GB, free: 9.566 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007467/1.433, allocations: 387 kB / 0.8422 GB, free: 9.188 MB / 0.7136 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001252/1.434, allocations: 262.9 kB / 0.8425 GB, free: 8.93 MB / 0.7136 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 0.02103/1.455, allocations: 5.221 MB / 0.8476 GB, free: 3.641 MB / 0.7136 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.