Running command: translateModel(Buildings.Fluid.FixedResistances.Examples.Pipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.FixedResistances.Examples.Pipe")
Notification: Performance of loadModel(Buildings): time 3.704/3.704, allocations: 402 MB / 416.6 MB, free: 10.12 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.005e-05/3.009e-05, allocations: 4 kB / 0.5009 GB, free: 8.254 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2046/0.2047, allocations: 92.68 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.Pipe): time 0.5394/0.7442, allocations: 36.85 MB / 0.6274 GB, free: 8.789 MB / 0.5105 GB
Notification: Performance of NFInst.instExpressions: time 0.02042/0.7647, allocations: 8.554 MB / 0.6358 GB, free: 2.883 MB / 0.5105 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002749/0.7675, allocations: 64.03 kB / 0.6359 GB, free: 2.863 MB / 0.5105 GB
Notification: Performance of NFTyping.typeComponents: time 0.003232/0.7708, allocations: 0.5866 MB / 0.6364 GB, free: 2.508 MB / 0.5105 GB
Notification: Performance of NFTyping.typeBindings: time 0.008721/0.7796, allocations: 1.644 MB / 0.638 GB, free: 1.355 MB / 0.5105 GB
Notification: Performance of NFTyping.typeClassSections: time 0.005958/0.7856, allocations: 1.084 MB / 0.6391 GB, free: 0.832 MB / 0.5105 GB
Notification: Performance of NFFlatten.flatten: time 0.02601/0.8116, allocations: 9.006 MB / 0.6479 GB, free: 11.5 MB / 0.5261 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01398/0.8256, allocations: 4.459 MB / 0.6522 GB, free: 9.164 MB / 0.5261 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.01455/0.8403, allocations: 3.786 MB / 0.6559 GB, free: 7.246 MB / 0.5261 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01259/0.8529, allocations: 3.251 MB / 0.6591 GB, free: 5.5 MB / 0.5261 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01068/0.8636, allocations: 0.8778 MB / 0.66 GB, free: 5.211 MB / 0.5261 GB
Notification: Performance of NFPackage.collectConstants: time 0.002981/0.8667, allocations: 219.2 kB / 0.6602 GB, free: 5.211 MB / 0.5261 GB
Notification: Performance of NFScalarize.scalarize: time 0.00373/0.8704, allocations: 1.159 MB / 0.6613 GB, free: 4.383 MB / 0.5261 GB
Notification: Performance of NFVerifyModel.verify: time 0.005447/0.8759, allocations: 0.7385 MB / 0.662 GB, free: 4.383 MB / 0.5261 GB
Notification: Performance of NFConvertDAE.convert: time 0.021/0.897, allocations: 9.89 MB / 0.6717 GB, free: 12.44 MB / 0.5417 GB
Notification: Performance of FrontEnd - DAE generated: time 5.35e-06/0.8971, allocations: 0 / 0.6717 GB, free: 12.44 MB / 0.5417 GB
Notification: Performance of FrontEnd: time 3.056e-06/0.8971, allocations: 0 / 0.6717 GB, free: 12.44 MB / 0.5417 GB
Notification: Performance of Transformations before backend: time 0.0004416/0.8975, allocations: 0 / 0.6717 GB, free: 12.44 MB / 0.5417 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1324
 * Number of variables: 1324
Notification: Performance of Generate backend data structure: time 0.01868/0.9162, allocations: 5.511 MB / 0.6771 GB, free: 6.852 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 6.01e-05/0.9163, allocations: 8.031 kB / 0.6771 GB, free: 6.844 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005777/0.9221, allocations: 0.8385 MB / 0.6779 GB, free: 5.996 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02333/0.9455, allocations: 6.314 MB / 0.6841 GB, free: 15.6 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006663/0.9462, allocations: 420 kB / 0.6845 GB, free: 15.18 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00225/0.9485, allocations: 0.5232 MB / 0.685 GB, free: 14.66 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02541/0.9739, allocations: 7.772 MB / 0.6926 GB, free: 6.508 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002334/0.9742, allocations: 31.72 kB / 0.6926 GB, free: 6.477 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001085/0.9753, allocations: 220 kB / 0.6928 GB, free: 6.262 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003462/0.9757, allocations: 171.9 kB / 0.693 GB, free: 6.094 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02143/0.9971, allocations: 6.223 MB / 0.6991 GB, free: 15.85 MB / 0.573 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 0.06381/1.061, allocations: 30.29 MB / 0.7286 GB, free: 184 kB / 0.5886 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009693/1.071, allocations: 3.342 MB / 0.7319 GB, free: 12.82 MB / 0.6042 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001502/1.072, allocations: 0.6815 MB / 0.7326 GB, free: 12 MB / 0.6042 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.494e-05/1.072, allocations: 72.8 kB / 0.7326 GB, free: 11.92 MB / 0.6042 GB
Notification: Performance of pre-optimization done (n=293): time 6.733e-06/1.072, allocations: 4 kB / 0.7326 GB, free: 11.92 MB / 0.6042 GB
Notification: Performance of matching and sorting (n=333): time 0.06007/1.133, allocations: 16.15 MB / 0.7484 GB, free: 11.57 MB / 0.6198 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001066/1.133, allocations: 141.4 kB / 0.7485 GB, free: 11.41 MB / 0.6198 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01587/1.149, allocations: 5.413 MB / 0.7538 GB, free: 6.02 MB / 0.6198 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008817/1.149, allocations: 89.7 kB / 0.7539 GB, free: 5.926 MB / 0.6198 GB
Notification: Performance of collectInitialEqns (initialization): time 0.004982/1.154, allocations: 2.869 MB / 0.7567 GB, free: 3.031 MB / 0.6198 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002627/1.157, allocations: 1.163 MB / 0.7578 GB, free: 1.852 MB / 0.6198 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004406/1.158, allocations: 76 kB / 0.7579 GB, free: 1.777 MB / 0.6198 GB
Notification: Performance of setup shared object (initialization): time 0.0004385/1.158, allocations: 466.1 kB / 0.7584 GB, free: 1.316 MB / 0.6198 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006838/1.165, allocations: 1.947 MB / 0.7603 GB, free: 15.37 MB / 0.6355 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00736/1.172, allocations: 2.953 MB / 0.7632 GB, free: 12 MB / 0.6355 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007699/1.18, allocations: 2.591 MB / 0.7657 GB, free: 9.395 MB / 0.6355 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.383e-05/1.18, allocations: 8 kB / 0.7657 GB, free: 9.387 MB / 0.6355 GB
Notification: Performance of matching and sorting (n=487) (initialization): time 0.0181/1.198, allocations: 5.664 MB / 0.7712 GB, free: 3.684 MB / 0.6355 GB
Notification: Performance of prepare postOptimizeDAE: time 0.006263/1.205, allocations: 14.1 MB / 0.785 GB, free: 4.594 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001034/1.205, allocations: 28 kB / 0.785 GB, free: 4.566 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0001087/1.205, allocations: 52 kB / 0.7851 GB, free: 4.516 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01137/1.216, allocations: 1.162 MB / 0.7862 GB, free: 3.352 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002977/1.219, allocations: 1.394 MB / 0.7876 GB, free: 1.91 MB / 0.6511 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008924/1.228, allocations: 374.8 kB / 0.7879 GB, free: 1.543 MB / 0.6511 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001007/1.229, allocations: 183.9 kB / 0.7881 GB, free: 1.363 MB / 0.6511 GB
Notification: Performance of prepare postOptimizeDAE: time 1.738e-05/1.229, allocations: 7.938 kB / 0.7881 GB, free: 1.355 MB / 0.6511 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0155/1.245, allocations: 5.102 MB / 0.7931 GB, free: 12.23 MB / 0.6667 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.444e-05/1.245, allocations: 29 kB / 0.7931 GB, free: 12.2 MB / 0.6667 GB
Notification: Performance of postOpt tearingSystem (initialization): time 9.468e-05/1.245, allocations: 56 kB / 0.7932 GB, free: 12.14 MB / 0.6667 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008285/1.253, allocations: 0.9789 MB / 0.7941 GB, free: 11.16 MB / 0.6667 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001332/1.254, allocations: 63.8 kB / 0.7942 GB, free: 11.1 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008696/1.262, allocations: 366.8 kB / 0.7945 GB, free: 10.74 MB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001065/1.264, allocations: 180 kB / 0.7947 GB, free: 10.57 MB / 0.6667 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 133
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (487):
 * Single equations (assignments): 485
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 2
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 2 {1,1}
 * Without analytic Jacobian: 0
Notification: Performance of prepare postOptimizeDAE: time 0.007164/1.271, allocations: 2.475 MB / 0.7971 GB, free: 8.078 MB / 0.6667 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002266/1.273, allocations: 0.5519 MB / 0.7977 GB, free: 7.52 MB / 0.6667 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01993/1.293, allocations: 6.051 MB / 0.8036 GB, free: 1.367 MB / 0.6667 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01475/1.308, allocations: 4.88 MB / 0.8083 GB, free: 12.39 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.754e-05/1.308, allocations: 4 kB / 0.8083 GB, free: 12.39 MB / 0.6823 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.006063/1.314, allocations: 1.442 MB / 0.8097 GB, free: 10.92 MB / 0.6823 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002584/1.317, allocations: 95.97 kB / 0.8098 GB, free: 10.82 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00817/1.325, allocations: 339 kB / 0.8102 GB, free: 10.49 MB / 0.6823 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001027/1.326, allocations: 214.6 kB / 0.8104 GB, free: 10.28 MB / 0.6823 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 0.02209/1.348, allocations: 4.754 MB / 0.815 GB, free: 5.434 MB / 0.6823 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.