Running command: translateModel(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed") Notification: Performance of loadModel(Buildings): time 3.805/3.805, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.861e-05/3.872e-05, allocations: 4 kB / 0.5009 GB, free: 8.254 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2248/0.2248, allocations: 92.69 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed): time 0.6027/0.8276, allocations: 55.85 MB / 0.646 GB, free: 11.75 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.03336/0.861, allocations: 11.3 MB / 0.657 GB, free: 3.906 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003667/0.8648, allocations: 89.25 kB / 0.6571 GB, free: 3.879 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.004514/0.8693, allocations: 0.721 MB / 0.6578 GB, free: 3.211 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.0121/0.8815, allocations: 1.967 MB / 0.6598 GB, free: 1.398 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.009287/0.8908, allocations: 1.361 MB / 0.6611 GB, free: 364 kB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.009076/0.8999, allocations: 2.085 MB / 0.6631 GB, free: 14.85 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003562/0.9036, allocations: 0.9005 MB / 0.664 GB, free: 14.29 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005877/0.9095, allocations: 1.134 MB / 0.6651 GB, free: 13.62 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003504/0.9131, allocations: 0.7669 MB / 0.6659 GB, free: 13.21 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008149/0.9213, allocations: 1.19 MB / 0.667 GB, free: 12.71 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.001412/0.9227, allocations: 82.03 kB / 0.6671 GB, free: 12.71 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.0009344/0.9237, allocations: 282.1 kB / 0.6674 GB, free: 12.51 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001669/0.9254, allocations: 186.7 kB / 0.6675 GB, free: 12.5 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.00897/0.9344, allocations: 2.512 MB / 0.67 GB, free: 10.77 MB / 0.5417 GB Notification: Performance of FrontEnd - DAE generated: time 5.41e-06/0.9345, allocations: 0 / 0.67 GB, free: 10.77 MB / 0.5417 GB Notification: Performance of FrontEnd: time 3.086e-06/0.9345, allocations: 0 / 0.67 GB, free: 10.77 MB / 0.5417 GB Notification: Performance of Transformations before backend: time 0.000107/0.9346, allocations: 1.125 kB / 0.67 GB, free: 10.77 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: 312 * Number of variables: 312 Notification: Performance of Generate backend data structure: time 0.007928/0.9426, allocations: 1.708 MB / 0.6717 GB, free: 9.477 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 7.093e-05/0.9427, allocations: 8.844 kB / 0.6717 GB, free: 9.477 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01598/0.9587, allocations: 0.7484 MB / 0.6724 GB, free: 9.16 MB / 0.5417 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005997/0.9647, allocations: 1.447 MB / 0.6738 GB, free: 7.984 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003101/0.9651, allocations: 131.8 kB / 0.6739 GB, free: 7.906 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005542/0.9657, allocations: 127.6 kB / 0.6741 GB, free: 7.863 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01166/0.9774, allocations: 1.796 MB / 0.6758 GB, free: 6.66 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.488e-05/0.9775, allocations: 3.938 kB / 0.6758 GB, free: 6.656 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003987/0.9779, allocations: 59.77 kB / 0.6759 GB, free: 6.613 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001135/0.9781, allocations: 40.67 kB / 0.6759 GB, free: 6.609 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0147/0.9928, allocations: 1.601 MB / 0.6775 GB, free: 5.812 MB / 0.5417 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 0.02665/1.019, allocations: 7.88 MB / 0.6852 GB, free: 14.04 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005928/1.025, allocations: 0.7675 MB / 0.6859 GB, free: 13.27 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002485/1.028, allocations: 0.9498 MB / 0.6869 GB, free: 12.12 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.905e-05/1.028, allocations: 39.12 kB / 0.6869 GB, free: 12.07 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=66): time 5.35e-06/1.028, allocations: 0 / 0.6869 GB, free: 12.07 MB / 0.5573 GB Notification: Performance of matching and sorting (n=70): time 0.08086/1.109, allocations: 5.213 MB / 0.692 GB, free: 6.77 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.684e-05/1.109, allocations: 115.4 kB / 0.6921 GB, free: 6.633 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00414/1.113, allocations: 1.197 MB / 0.6933 GB, free: 5.426 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 0.0003606/1.114, allocations: 41.7 kB / 0.6933 GB, free: 5.379 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001278/1.115, allocations: 0.7452 MB / 0.694 GB, free: 4.625 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005544/1.116, allocations: 252.4 kB / 0.6943 GB, free: 4.375 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000159/1.116, allocations: 24 kB / 0.6943 GB, free: 4.352 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0002267/1.116, allocations: 349.9 kB / 0.6946 GB, free: 4.004 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004305/1.12, allocations: 0.5218 MB / 0.6951 GB, free: 3.484 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005193/1.126, allocations: 0.9001 MB / 0.696 GB, free: 2.418 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00521/1.131, allocations: 0.6002 MB / 0.6966 GB, free: 1.82 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.081e-05/1.131, allocations: 8 kB / 0.6966 GB, free: 1.812 MB / 0.5573 GB Notification: Performance of matching and sorting (n=134) (initialization): time 0.01325/1.144, allocations: 1.673 MB / 0.6982 GB, free: 128 kB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 0.002421/1.147, allocations: 3.897 MB / 0.702 GB, free: 11.98 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.091e-05/1.147, allocations: 12 kB / 0.7021 GB, free: 11.97 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004917/1.152, allocations: 474.2 kB / 0.7025 GB, free: 11.5 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004337/1.156, allocations: 279.5 kB / 0.7028 GB, free: 11.23 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004226/1.16, allocations: 0.9989 MB / 0.7038 GB, free: 10.21 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006448/1.167, allocations: 203.6 kB / 0.7039 GB, free: 10.01 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004856/1.168, allocations: 55.97 kB / 0.704 GB, free: 9.953 MB / 0.573 GB Notification: Performance of prepare postOptimizeDAE: time 2.299e-05/1.168, allocations: 4 kB / 0.704 GB, free: 9.949 MB / 0.573 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01288/1.18, allocations: 1.508 MB / 0.7055 GB, free: 8.434 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.73e-05/1.181, allocations: 12 kB / 0.7055 GB, free: 8.422 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00452/1.185, allocations: 473.2 kB / 0.7059 GB, free: 7.957 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003967/1.189, allocations: 275.6 kB / 0.7062 GB, free: 7.688 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004302/1.194, allocations: 1.006 MB / 0.7072 GB, free: 6.656 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005653/1.199, allocations: 179.7 kB / 0.7074 GB, free: 6.48 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004295/1.2, allocations: 55.97 kB / 0.7074 GB, free: 6.426 MB / 0.573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 44 * Number of states: 0 () * Number of discrete variables: 2 ($PRE.heaPum.com.isOn,heaPum.com.isOn) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (114): * Single equations (assignments): 113 * 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: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {2 19} Notification: Performance of prepare postOptimizeDAE: time 0.001747/1.201, allocations: 385.5 kB / 0.7078 GB, free: 6.039 MB / 0.573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007204/1.202, allocations: 138.3 kB / 0.7079 GB, free: 5.902 MB / 0.573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03079/1.233, allocations: 1.945 MB / 0.7098 GB, free: 3.934 MB / 0.573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.02234/1.255, allocations: 1.794 MB / 0.7116 GB, free: 2.098 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.54e-05/1.255, allocations: 0 / 0.7116 GB, free: 2.098 MB / 0.573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00146/1.257, allocations: 363.2 kB / 0.7119 GB, free: 1.723 MB / 0.573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000569/1.258, allocations: 16 kB / 0.7119 GB, free: 1.707 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003345/1.261, allocations: 151.6 kB / 0.7121 GB, free: 1.559 MB / 0.573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002594/1.261, allocations: 48.53 kB / 0.7121 GB, free: 1.508 MB / 0.573 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 0.01391/1.275, allocations: 1.108 MB / 0.7132 GB, free: 404 kB / 0.573 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.