Running command: translateModel(Buildings.Fluid.Storage.Validation.HeatExchangerLocation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Storage.Validation.HeatExchangerLocation")
Notification: Performance of loadModel(Buildings): time 3.701/3.701, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.471e-05/3.486e-05, allocations: 4 kB / 0.5009 GB, free: 8.254 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2343/0.2343, allocations: 92.68 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.Validation.HeatExchangerLocation): time 0.6303/0.8646, allocations: 87.66 MB / 0.6771 GB, free: 3.816 MB / 0.5417 GB
Notification: Performance of NFInst.instExpressions: time 0.05337/0.9181, allocations: 23.84 MB / 0.7003 GB, free: 15.04 MB / 0.573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.006541/0.9247, allocations: 167.2 kB / 0.7005 GB, free: 14.88 MB / 0.573 GB
Notification: Performance of NFTyping.typeComponents: time 0.00743/0.9321, allocations: 1.508 MB / 0.702 GB, free: 13.36 MB / 0.573 GB
Notification: Performance of NFTyping.typeBindings: time 0.01581/0.948, allocations: 3.458 MB / 0.7054 GB, free: 9.895 MB / 0.573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01077/0.9588, allocations: 2.359 MB / 0.7077 GB, free: 7.531 MB / 0.573 GB
Notification: Performance of NFFlatten.flatten: time 0.04514/1.004, allocations: 22.56 MB / 0.7297 GB, free: 0.9297 MB / 0.5886 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03376/1.038, allocations: 13.89 MB / 0.7432 GB, free: 2.996 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02565/1.063, allocations: 9.838 MB / 0.7529 GB, free: 9.133 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02342/1.087, allocations: 9.11 MB / 0.7618 GB, free: 15.99 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01695/1.104, allocations: 2.014 MB / 0.7637 GB, free: 13.98 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.006793/1.111, allocations: 0.6875 MB / 0.7644 GB, free: 13.29 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.00928/1.12, allocations: 3.448 MB / 0.7678 GB, free: 9.828 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.01148/1.132, allocations: 2.019 MB / 0.7697 GB, free: 7.809 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.05244/1.184, allocations: 30.88 MB / 0.7999 GB, free: 8.852 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 4.519e-06/1.184, allocations: 0 / 0.7999 GB, free: 8.852 MB / 0.6667 GB
Notification: Performance of FrontEnd: time 2.996e-06/1.184, allocations: 4 kB / 0.7999 GB, free: 8.848 MB / 0.6667 GB
Notification: Performance of Transformations before backend: time 0.001256/1.185, allocations: 0 / 0.7999 GB, free: 8.848 MB / 0.6667 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 4067
 * Number of variables: 4067
Notification: Performance of Generate backend data structure: time 0.07457/1.26, allocations: 16.03 MB / 0.8155 GB, free: 8.699 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 6.401e-05/1.26, allocations: 8.031 kB / 0.8156 GB, free: 8.691 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01994/1.28, allocations: 2.264 MB / 0.8178 GB, free: 6.402 MB / 0.6823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.06181/1.342, allocations: 16.12 MB / 0.8335 GB, free: 6.172 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002076/1.344, allocations: 1.199 MB / 0.8347 GB, free: 4.973 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.007864/1.352, allocations: 1.601 MB / 0.8362 GB, free: 3.371 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.08285/1.435, allocations: 24.24 MB / 0.8599 GB, free: 10.29 MB / 0.7292 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0009857/1.436, allocations: 67.44 kB / 0.86 GB, free: 10.22 MB / 0.7292 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005464/1.441, allocations: 0.6523 MB / 0.8606 GB, free: 9.566 MB / 0.7292 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007044/1.442, allocations: 479.8 kB / 0.8611 GB, free: 9.098 MB / 0.7292 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.07281/1.515, allocations: 21.49 MB / 0.8821 GB, free: 3.578 MB / 0.7448 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 1.337/2.852, allocations: 104.3 MB / 0.9839 GB, free: 138.9 MB / 0.7449 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.03413/2.887, allocations: 14.65 MB / 0.9983 GB, free: 130.6 MB / 0.7449 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.08168/2.968, allocations: 27.93 MB / 1.026 GB, free: 104.4 MB / 0.7449 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001521/2.969, allocations: 154.5 kB / 1.026 GB, free: 104.3 MB / 0.7449 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01127/2.98, allocations: 1.05 MB / 1.027 GB, free: 103.2 MB / 0.7449 GB
Notification: Performance of pre-optimization done (n=1017): time 3.315e-05/2.98, allocations: 0 / 1.027 GB, free: 103.2 MB / 0.7449 GB
Notification: Performance of matching and sorting (n=1089): time 0.2049/3.185, allocations: 61.7 MB / 1.087 GB, free: 41.47 MB / 0.7449 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001299/3.185, allocations: 296.3 kB / 1.087 GB, free: 41.13 MB / 0.7449 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03141/3.216, allocations: 12.54 MB / 1.099 GB, free: 28.68 MB / 0.7449 GB
Notification: Performance of collectPreVariables (initialization): time 0.002825/3.219, allocations: 233.7 kB / 1.1 GB, free: 28.45 MB / 0.7449 GB
Notification: Performance of collectInitialEqns (initialization): time 0.009718/3.229, allocations: 8.02 MB / 1.108 GB, free: 20.41 MB / 0.7449 GB
Notification: Performance of collectInitialBindings (initialization): time 0.006642/3.236, allocations: 3.758 MB / 1.111 GB, free: 16.68 MB / 0.7449 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.003189/3.239, allocations: 280 kB / 1.111 GB, free: 16.41 MB / 0.7449 GB
Notification: Performance of setup shared object (initialization): time 0.001253/3.24, allocations: 0.897 MB / 1.112 GB, free: 15.5 MB / 0.7449 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02043/3.261, allocations: 7.819 MB / 1.12 GB, free: 7.676 MB / 0.7449 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02507/3.286, allocations: 11.72 MB / 1.131 GB, free: 10.3 MB / 0.7605 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.03012/3.316, allocations: 10.16 MB / 1.141 GB, free: 116 kB / 0.7605 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001347/3.316, allocations: 32 kB / 1.141 GB, free: 84 kB / 0.7605 GB
Notification: Performance of matching and sorting (n=1817) (initialization): time 0.08119/3.397, allocations: 22.4 MB / 1.163 GB, free: 9.609 MB / 0.7918 GB
Notification: Performance of prepare postOptimizeDAE: time 1.078/4.476, allocations: 70.13 MB / 1.232 GB, free: 216.8 MB / 0.8075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004155/4.476, allocations: 117.2 kB / 1.232 GB, free: 216.8 MB / 0.8075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.004048/4.48, allocations: 0.9912 MB / 1.233 GB, free: 216.8 MB / 0.8075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02867/4.509, allocations: 3.395 MB / 1.236 GB, free: 216.7 MB / 0.8075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01607/4.525, allocations: 8.441 MB / 1.244 GB, free: 212 MB / 0.8075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02519/4.55, allocations: 1.259 MB / 1.246 GB, free: 211.8 MB / 0.8075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0042/4.555, allocations: 0.6273 MB / 1.246 GB, free: 211.7 MB / 0.8075 GB
Notification: Performance of prepare postOptimizeDAE: time 1.971e-05/4.555, allocations: 4.766 kB / 1.246 GB, free: 211.7 MB / 0.8075 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.06824/4.623, allocations: 21.03 MB / 1.267 GB, free: 203.7 MB / 0.8075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0005983/4.624, allocations: 115.9 kB / 1.267 GB, free: 203.7 MB / 0.8075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.003557/4.627, allocations: 0.9272 MB / 1.268 GB, free: 203.5 MB / 0.8075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02737/4.655, allocations: 3.385 MB / 1.271 GB, free: 203.2 MB / 0.8075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02449/4.679, allocations: 10.31 MB / 1.281 GB, free: 196.5 MB / 0.8075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02382/4.703, allocations: 1.228 MB / 1.282 GB, free: 196.2 MB / 0.8075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004095/4.707, allocations: 0.6292 MB / 1.283 GB, free: 196.1 MB / 0.8075 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 530
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (1753):
 * Single equations (assignments): 1750
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(1,100.0%) 24,(1,100.0%) 24}
 * Non-linear torn systems: 1 {1 16}
Notification: Performance of prepare postOptimizeDAE: time 0.02001/4.727, allocations: 6.906 MB / 1.29 GB, free: 193.1 MB / 0.8075 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006717/4.734, allocations: 1.373 MB / 1.291 GB, free: 193.1 MB / 0.8075 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0649/4.799, allocations: 20.84 MB / 1.311 GB, free: 175.4 MB / 0.8075 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.05669/4.856, allocations: 16.82 MB / 1.328 GB, free: 158.3 MB / 0.8075 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.332e-05/4.856, allocations: 0 / 1.328 GB, free: 158.3 MB / 0.8075 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01823/4.874, allocations: 3.742 MB / 1.331 GB, free: 155.1 MB / 0.8075 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007911/4.882, allocations: 263.9 kB / 1.332 GB, free: 154.9 MB / 0.8075 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02636/4.908, allocations: 1.006 MB / 1.333 GB, free: 153.9 MB / 0.8075 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004146/4.913, allocations: 0.6837 MB / 1.333 GB, free: 153.2 MB / 0.8075 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 0.06041/4.973, allocations: 14.37 MB / 1.347 GB, free: 138.8 MB / 0.8075 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.