Running command: translateModel(Buildings.Fluid.Storage.Examples.StratifiedEnhancedInternalHex,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Storage.Examples.StratifiedEnhancedInternalHex")
Notification: Performance of loadModel(Buildings): time 3.766/3.766, allocations: 402 MB / 416.6 MB, free: 10.12 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.364e-05/3.393e-05, allocations: 7.938 kB / 0.5009 GB, free: 8.246 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1998/0.1999, allocations: 92.69 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.Examples.StratifiedEnhancedInternalHex): time 0.7035/0.9034, allocations: 121.4 MB / 0.71 GB, free: 5.066 MB / 0.573 GB
Notification: Performance of NFInst.instExpressions: time 0.08013/0.9836, allocations: 34.23 MB / 0.7435 GB, free: 2.762 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.008847/0.9925, allocations: 238.9 kB / 0.7437 GB, free: 2.527 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.01048/1.003, allocations: 2.09 MB / 0.7457 GB, free: 436 kB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.02314/1.026, allocations: 4.953 MB / 0.7506 GB, free: 11.46 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01875/1.045, allocations: 3.147 MB / 0.7537 GB, free: 8.305 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.04162/1.087, allocations: 18.43 MB / 0.7717 GB, free: 5.848 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02733/1.114, allocations: 11.37 MB / 0.7828 GB, free: 10.43 MB / 0.6511 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02283/1.137, allocations: 8.415 MB / 0.791 GB, free: 1.996 MB / 0.6511 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0196/1.157, allocations: 7.361 MB / 0.7982 GB, free: 10.61 MB / 0.6667 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01578/1.172, allocations: 2.127 MB / 0.8002 GB, free: 8.48 MB / 0.6667 GB
Notification: Performance of NFPackage.collectConstants: time 0.005697/1.178, allocations: 0.5703 MB / 0.8008 GB, free: 7.91 MB / 0.6667 GB
Notification: Performance of NFScalarize.scalarize: time 0.006976/1.185, allocations: 2.758 MB / 0.8035 GB, free: 5.141 MB / 0.6667 GB
Notification: Performance of NFVerifyModel.verify: time 0.008766/1.194, allocations: 1.656 MB / 0.8051 GB, free: 3.484 MB / 0.6667 GB
Notification: Performance of NFConvertDAE.convert: time 0.04188/1.236, allocations: 24.83 MB / 0.8294 GB, free: 10.6 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 4.749e-06/1.236, allocations: 0 / 0.8294 GB, free: 10.6 MB / 0.698 GB
Notification: Performance of FrontEnd: time 3.176e-06/1.236, allocations: 0 / 0.8294 GB, free: 10.6 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.001047/1.237, allocations: 4 kB / 0.8294 GB, free: 10.59 MB / 0.698 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 3254
 * Number of variables: 3254
Notification: Performance of Generate backend data structure: time 0.04951/1.287, allocations: 13.53 MB / 0.8426 GB, free: 12.96 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 5.611e-05/1.287, allocations: 8.031 kB / 0.8426 GB, free: 12.96 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01277/1.299, allocations: 1.913 MB / 0.8444 GB, free: 11.02 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04507/1.345, allocations: 13.48 MB / 0.8576 GB, free: 13.46 MB / 0.7292 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001564/1.346, allocations: 0.978 MB / 0.8586 GB, free: 12.48 MB / 0.7292 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.005564/1.352, allocations: 1.308 MB / 0.8598 GB, free: 11.17 MB / 0.7292 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.06524/1.417, allocations: 19.29 MB / 0.8787 GB, free: 7.133 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0008696/1.418, allocations: 51.53 kB / 0.8787 GB, free: 7.082 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005012/1.423, allocations: 0.5312 MB / 0.8792 GB, free: 6.551 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005286/1.424, allocations: 363.9 kB / 0.8796 GB, free: 6.195 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 1.1/2.523, allocations: 16.79 MB / 0.896 GB, free: 221.4 MB / 0.7449 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 0.1855/2.709, allocations: 88.53 MB / 0.9824 GB, free: 154 MB / 0.7449 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02741/2.736, allocations: 11.41 MB / 0.9936 GB, free: 145.9 MB / 0.7449 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.07795/2.814, allocations: 24.55 MB / 1.018 GB, free: 120.6 MB / 0.7449 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001229/2.815, allocations: 128.7 kB / 1.018 GB, free: 120.4 MB / 0.7449 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.009676/2.824, allocations: 0.8259 MB / 1.018 GB, free: 119.6 MB / 0.7449 GB
Notification: Performance of pre-optimization done (n=734): time 2.448e-05/2.824, allocations: 0 / 1.018 GB, free: 119.6 MB / 0.7449 GB
Notification: Performance of matching and sorting (n=771): time 0.1628/2.987, allocations: 42.45 MB / 1.06 GB, free: 76.49 MB / 0.7449 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001468/2.987, allocations: 265.9 kB / 1.06 GB, free: 76.19 MB / 0.7449 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03514/3.023, allocations: 11.44 MB / 1.071 GB, free: 64.79 MB / 0.7449 GB
Notification: Performance of collectPreVariables (initialization): time 0.002232/3.025, allocations: 193.7 kB / 1.072 GB, free: 64.59 MB / 0.7449 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008664/3.034, allocations: 6.961 MB / 1.078 GB, free: 57.62 MB / 0.7449 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00499/3.039, allocations: 2.682 MB / 1.081 GB, free: 54.96 MB / 0.7449 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001983/3.041, allocations: 244.1 kB / 1.081 GB, free: 54.73 MB / 0.7449 GB
Notification: Performance of setup shared object (initialization): time 0.0009173/3.042, allocations: 0.7904 MB / 1.082 GB, free: 53.93 MB / 0.7449 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01646/3.058, allocations: 6.285 MB / 1.088 GB, free: 47.63 MB / 0.7449 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02208/3.08, allocations: 9.976 MB / 1.098 GB, free: 36.02 MB / 0.7449 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.03193/3.112, allocations: 8.217 MB / 1.106 GB, free: 27.79 MB / 0.7449 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001561/3.113, allocations: 32 kB / 1.106 GB, free: 27.76 MB / 0.7449 GB
Notification: Performance of matching and sorting (n=1535) (initialization): time 0.0901/3.203, allocations: 19.96 MB / 1.125 GB, free: 7.742 MB / 0.7449 GB
Notification: Performance of prepare postOptimizeDAE: time 0.03228/3.235, allocations: 64.11 MB / 1.188 GB, free: 3.473 MB / 0.8074 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004528/3.236, allocations: 112 kB / 1.188 GB, free: 3.363 MB / 0.8074 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.369/4.605, allocations: 11.93 MB / 1.2 GB, free: 268.4 MB / 0.8075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02426/4.629, allocations: 2.797 MB / 1.202 GB, free: 268.4 MB / 0.8075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03025/4.66, allocations: 20.66 MB / 1.223 GB, free: 254.4 MB / 0.8075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02062/4.68, allocations: 1.127 MB / 1.224 GB, free: 254.2 MB / 0.8075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003291/4.684, allocations: 0.545 MB / 1.224 GB, free: 254.1 MB / 0.8075 GB
Notification: Performance of prepare postOptimizeDAE: time 1.769e-05/4.684, allocations: 3.438 kB / 1.224 GB, free: 254.1 MB / 0.8075 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.06087/4.745, allocations: 18.86 MB / 1.243 GB, free: 246.8 MB / 0.8075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003688/4.745, allocations: 116.7 kB / 1.243 GB, free: 246.8 MB / 0.8075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.1868/4.932, allocations: 11.94 MB / 1.254 GB, free: 245 MB / 0.8075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01818/4.95, allocations: 2.52 MB / 1.257 GB, free: 243 MB / 0.8075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02251/4.973, allocations: 18.6 MB / 1.275 GB, free: 223.9 MB / 0.8075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01926/4.992, allocations: 1.081 MB / 1.276 GB, free: 222.8 MB / 0.8075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002952/4.995, allocations: 0.5429 MB / 1.277 GB, free: 222.3 MB / 0.8075 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 513
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (1301):
 * Single equations (assignments): 1283
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 3
 * Torn equation systems: 15
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 3 {1,1,1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 3 {(1,100.0%) 8,(1,100.0%) 8,(1,100.0%) 8}
 * Non-linear torn systems: 12 {2 16,2 16,2 16,2 16,2 16,2 16,2 17,2 17,2 17,2 17,2 17,2 17}
Notification: Performance of prepare postOptimizeDAE: time 0.01429/5.009, allocations: 5.699 MB / 1.282 GB, free: 216.7 MB / 0.8075 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.004601/5.014, allocations: 1.158 MB / 1.283 GB, free: 216.1 MB / 0.8075 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04169/5.056, allocations: 14.26 MB / 1.297 GB, free: 201.8 MB / 0.8075 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.03267/5.088, allocations: 11.89 MB / 1.309 GB, free: 189.7 MB / 0.8075 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.457e-05/5.088, allocations: 0 / 1.309 GB, free: 189.7 MB / 0.8075 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01099/5.099, allocations: 2.926 MB / 1.312 GB, free: 187.4 MB / 0.8075 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.005075/5.105, allocations: 176 kB / 1.312 GB, free: 187.2 MB / 0.8075 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01664/5.121, allocations: 0.8441 MB / 1.313 GB, free: 186.4 MB / 0.8075 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002187/5.123, allocations: 465.7 kB / 1.313 GB, free: 185.9 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 0.04326/5.167, allocations: 11.22 MB / 1.324 GB, free: 174.8 MB / 0.8075 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.