Running command: translateModel(Buildings.Fluid.SolarCollectors.Validation.FlatPlateNPanels,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.SolarCollectors.Validation.FlatPlateNPanels") Notification: Performance of loadModel(Buildings): time 3.665/3.665, allocations: 402 MB / 416.6 MB, free: 10.13 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.821e-05/3.836e-05, allocations: 4 kB / 0.5009 GB, free: 8.266 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2181/0.2182, allocations: 92.69 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.SolarCollectors.Validation.FlatPlateNPanels): time 0.5922/0.8104, allocations: 43.56 MB / 0.634 GB, free: 4.102 MB / 0.5105 GB Notification: Performance of NFInst.instExpressions: time 0.2375/1.048, allocations: 135.7 MB / 0.7665 GB, free: 11.04 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0057/1.054, allocations: 127.6 kB / 0.7667 GB, free: 10.92 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.005325/1.059, allocations: 0.8271 MB / 0.7675 GB, free: 10.09 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.01426/1.073, allocations: 2.258 MB / 0.7697 GB, free: 7.82 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.008882/1.082, allocations: 1.781 MB / 0.7714 GB, free: 6.035 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.0526/1.135, allocations: 27.45 MB / 0.7982 GB, free: 10.53 MB / 0.6667 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03702/1.172, allocations: 16.88 MB / 0.8147 GB, free: 9.602 MB / 0.6823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02718/1.199, allocations: 11.51 MB / 0.8259 GB, free: 14.07 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02698/1.226, allocations: 10.47 MB / 0.8362 GB, free: 3.559 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01635/1.243, allocations: 1.565 MB / 0.8377 GB, free: 1.992 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.00767/1.25, allocations: 0.7266 MB / 0.8384 GB, free: 1.266 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.01086/1.261, allocations: 4.195 MB / 0.8425 GB, free: 13.05 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.01273/1.274, allocations: 2.254 MB / 0.8447 GB, free: 10.8 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.05616/1.33, allocations: 32.77 MB / 0.8767 GB, free: 9.945 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 6.211e-06/1.331, allocations: 0 / 0.8767 GB, free: 9.945 MB / 0.7448 GB Notification: Performance of FrontEnd: time 3.817e-06/1.331, allocations: 4 kB / 0.8767 GB, free: 9.941 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.001477/1.332, allocations: 0 / 0.8767 GB, free: 9.941 MB / 0.7448 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 4628 * Number of variables: 4628 Notification: Performance of Generate backend data structure: time 1.139/2.471, allocations: 19.7 MB / 0.8959 GB, free: 224.1 MB / 0.7449 GB Notification: Performance of prepare preOptimizeDAE: time 5.8e-05/2.471, allocations: 10.2 kB / 0.896 GB, free: 224.1 MB / 0.7449 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04233/2.514, allocations: 4.438 MB / 0.9003 GB, free: 222.7 MB / 0.7449 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.08647/2.6, allocations: 21.9 MB / 0.9217 GB, free: 210.9 MB / 0.7449 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002543/2.603, allocations: 1.36 MB / 0.923 GB, free: 210.2 MB / 0.7449 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.009136/2.612, allocations: 1.836 MB / 0.9248 GB, free: 209.6 MB / 0.7449 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.09346/2.705, allocations: 27.45 MB / 0.9516 GB, free: 184.2 MB / 0.7449 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.001298/2.707, allocations: 87.16 kB / 0.9517 GB, free: 184.1 MB / 0.7449 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.009973/2.717, allocations: 0.7523 MB / 0.9524 GB, free: 183.3 MB / 0.7449 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009699/2.718, allocations: 0.57 MB / 0.953 GB, free: 182.8 MB / 0.7449 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1067/2.824, allocations: 24.36 MB / 0.9768 GB, free: 158.4 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 0.2187/3.043, allocations: 103.5 MB / 1.078 GB, free: 51.18 MB / 0.7449 GB Notification: Performance of preOpt comSubExp (simulation): time 0.05231/3.096, allocations: 15.97 MB / 1.093 GB, free: 35.01 MB / 0.7449 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003849/3.1, allocations: 1.468 MB / 1.095 GB, free: 33.38 MB / 0.7449 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.03185/3.131, allocations: 8.978 MB / 1.104 GB, free: 24.28 MB / 0.7449 GB Notification: Performance of pre-optimization done (n=1101): time 2.391e-05/3.131, allocations: 0 / 1.104 GB, free: 24.28 MB / 0.7449 GB Notification: Performance of matching and sorting (n=1221): time 0.2717/3.403, allocations: 65.41 MB / 1.167 GB, free: 7.473 MB / 0.7918 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0004371/3.404, allocations: 416.2 kB / 1.168 GB, free: 6.996 MB / 0.7918 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.05957/3.463, allocations: 15.26 MB / 1.183 GB, free: 7.824 MB / 0.8074 GB Notification: Performance of collectPreVariables (initialization): time 0.00413/3.468, allocations: 265.8 kB / 1.183 GB, free: 7.559 MB / 0.8074 GB Notification: Performance of collectInitialEqns (initialization): time 1.152/4.62, allocations: 9.617 MB / 1.192 GB, free: 263.6 MB / 0.8075 GB Notification: Performance of collectInitialBindings (initialization): time 0.008564/4.628, allocations: 4.225 MB / 1.197 GB, free: 262.8 MB / 0.8075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003901/4.632, allocations: 293.2 kB / 1.197 GB, free: 262.8 MB / 0.8075 GB Notification: Performance of setup shared object (initialization): time 0.001657/4.634, allocations: 0.9146 MB / 1.198 GB, free: 262.5 MB / 0.8075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03455/4.669, allocations: 8.593 MB / 1.206 GB, free: 261.3 MB / 0.8075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03822/4.707, allocations: 12.09 MB / 1.218 GB, free: 254.4 MB / 0.8075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.03791/4.745, allocations: 10.77 MB / 1.228 GB, free: 250.2 MB / 0.8075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001873/4.745, allocations: 28.16 kB / 1.228 GB, free: 250.2 MB / 0.8075 GB Notification: Performance of matching and sorting (n=1879) (initialization): time 0.1059/4.851, allocations: 26.06 MB / 1.254 GB, free: 240.7 MB / 0.8075 GB Notification: Performance of prepare postOptimizeDAE: time 0.01347/4.864, allocations: 66.89 MB / 1.319 GB, free: 170.6 MB / 0.8075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000493/4.865, allocations: 99.56 kB / 1.319 GB, free: 170.6 MB / 0.8075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02962/4.895, allocations: 3.734 MB / 1.323 GB, free: 169.4 MB / 0.8075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.03467/4.929, allocations: 3.917 MB / 1.327 GB, free: 166.2 MB / 0.8075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06307/4.993, allocations: 21.08 MB / 1.347 GB, free: 144.8 MB / 0.8075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03161/5.024, allocations: 1.364 MB / 1.349 GB, free: 143.4 MB / 0.8075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0046/5.029, allocations: 0.6872 MB / 1.349 GB, free: 142.8 MB / 0.8075 GB Notification: Performance of prepare postOptimizeDAE: time 1.647e-05/5.029, allocations: 5.094 kB / 1.349 GB, free: 142.7 MB / 0.8075 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.1044/5.133, allocations: 24.61 MB / 1.373 GB, free: 118.1 MB / 0.8075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000338/5.134, allocations: 104 kB / 1.374 GB, free: 118 MB / 0.8075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02938/5.163, allocations: 3.899 MB / 1.377 GB, free: 114.1 MB / 0.8075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.03438/5.198, allocations: 3.916 MB / 1.381 GB, free: 110.2 MB / 0.8075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06233/5.26, allocations: 21.11 MB / 1.402 GB, free: 88.69 MB / 0.8075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03046/5.29, allocations: 1.358 MB / 1.403 GB, free: 87.33 MB / 0.8075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004576/5.295, allocations: 0.6872 MB / 1.404 GB, free: 86.64 MB / 0.8075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 449 * Number of states: 0 () * Number of discrete variables: 11 ($whenCondition3,$PRE.datRea.nextTimeEvent,$whenCondition2,$whenCondition1,$PRE.weaDat.conTim1.tStart,weaDat.conTim1.tStart,$PRE.weaDat.conTim.tStart,weaDat.conTim.tStart,datRea.nextTimeEvent,$PRE.datRea.nextTimeEventScaled,datRea.nextTimeEventScaled) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1755): * Single equations (assignments): 1749 * Array equations: 0 * Algorithm blocks: 3 * 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: 0 * Non-linear torn systems: 3 {1 2,1 59,1 59} Notification: Performance of prepare postOptimizeDAE: time 0.02249/5.318, allocations: 7.765 MB / 1.411 GB, free: 78.86 MB / 0.8075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007268/5.325, allocations: 1.698 MB / 1.413 GB, free: 77.14 MB / 0.8075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.08748/5.412, allocations: 23.03 MB / 1.435 GB, free: 53.88 MB / 0.8075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.06815/5.481, allocations: 18.65 MB / 1.454 GB, free: 34.99 MB / 0.8075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.6e-05/5.481, allocations: 4 kB / 1.454 GB, free: 34.99 MB / 0.8075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01646/5.497, allocations: 4.453 MB / 1.458 GB, free: 30.49 MB / 0.8075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008006/5.505, allocations: 319.9 kB / 1.458 GB, free: 30.18 MB / 0.8075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02749/5.533, allocations: 1.27 MB / 1.46 GB, free: 28.91 MB / 0.8075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.003602/5.536, allocations: 0.7435 MB / 1.46 GB, free: 28.16 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 postOpt createDAEmodeBDAE (simulation): time 0.07665/5.613, allocations: 17.28 MB / 1.477 GB, free: 10.91 MB / 0.8075 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.