Running command: translateModel(Buildings.Fluid.SolarCollectors.Validation.FlatPlate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.SolarCollectors.Validation.FlatPlate") Notification: Performance of loadModel(Buildings): time 3.83/3.83, allocations: 402 MB / 416.6 MB, free: 10.09 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.289e-05/3.304e-05, allocations: 4 kB / 0.5009 GB, free: 8.23 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.213/0.213, allocations: 92.69 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.SolarCollectors.Validation.FlatPlate): time 0.5656/0.7786, allocations: 24.59 MB / 0.6155 GB, free: 1.148 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.3147/1.093, allocations: 129.7 MB / 0.7421 GB, free: 4.051 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00361/1.097, allocations: 79.75 kB / 0.7422 GB, free: 3.973 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.003482/1.101, allocations: 473.1 kB / 0.7426 GB, free: 3.508 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.008801/1.109, allocations: 1.316 MB / 0.7439 GB, free: 2.188 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.007858/1.117, allocations: 1.228 MB / 0.7451 GB, free: 0.957 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.04366/1.161, allocations: 14.08 MB / 0.7589 GB, free: 2.855 MB / 0.6198 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02533/1.186, allocations: 8.71 MB / 0.7674 GB, free: 10.11 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01438/1.201, allocations: 5.895 MB / 0.7731 GB, free: 4.195 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01356/1.215, allocations: 5.368 MB / 0.7784 GB, free: 14.8 MB / 0.6511 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009347/1.224, allocations: 1.069 MB / 0.7794 GB, free: 13.74 MB / 0.6511 GB Notification: Performance of NFPackage.collectConstants: time 0.004148/1.228, allocations: 392 kB / 0.7798 GB, free: 13.36 MB / 0.6511 GB Notification: Performance of NFScalarize.scalarize: time 0.00562/1.234, allocations: 2.171 MB / 0.7819 GB, free: 11.18 MB / 0.6511 GB Notification: Performance of NFVerifyModel.verify: time 0.006303/1.24, allocations: 1.156 MB / 0.783 GB, free: 10.02 MB / 0.6511 GB Notification: Performance of NFConvertDAE.convert: time 0.0286/1.269, allocations: 16.94 MB / 0.7996 GB, free: 9.043 MB / 0.6667 GB Notification: Performance of FrontEnd - DAE generated: time 4.629e-06/1.269, allocations: 0 / 0.7996 GB, free: 9.043 MB / 0.6667 GB Notification: Performance of FrontEnd: time 2.926e-06/1.269, allocations: 4 kB / 0.7996 GB, free: 9.039 MB / 0.6667 GB Notification: Performance of Transformations before backend: time 0.0007214/1.27, allocations: 4 kB / 0.7996 GB, free: 9.035 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: 2399 * Number of variables: 2399 Notification: Performance of Generate backend data structure: time 0.0483/1.318, allocations: 10.38 MB / 0.8097 GB, free: 14.54 MB / 0.6823 GB Notification: Performance of prepare preOptimizeDAE: time 7.354e-05/1.318, allocations: 19.91 kB / 0.8097 GB, free: 14.52 MB / 0.6823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03264/1.351, allocations: 2.358 MB / 0.812 GB, free: 12.14 MB / 0.6823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04287/1.394, allocations: 11.24 MB / 0.823 GB, free: 0.8125 MB / 0.6823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001058/1.395, allocations: 0.7019 MB / 0.8237 GB, free: 112 kB / 0.6823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00446/1.399, allocations: 0.9529 MB / 0.8246 GB, free: 15.16 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.05054/1.45, allocations: 14.14 MB / 0.8384 GB, free: 472 kB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004829/1.45, allocations: 39.72 kB / 0.8385 GB, free: 432 kB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00335/1.454, allocations: 407.9 kB / 0.8389 GB, free: 24 kB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005054/1.454, allocations: 295.9 kB / 0.8392 GB, free: 15.73 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04975/1.504, allocations: 12.76 MB / 0.8516 GB, free: 2.949 MB / 0.7136 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 1.162/2.666, allocations: 52.88 MB / 0.9033 GB, free: 209.9 MB / 0.7449 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02986/2.696, allocations: 8.177 MB / 0.9112 GB, free: 208.6 MB / 0.7449 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003221/2.699, allocations: 1.254 MB / 0.9125 GB, free: 207.4 MB / 0.7449 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.019/2.718, allocations: 4.718 MB / 0.9171 GB, free: 205.8 MB / 0.7449 GB Notification: Performance of pre-optimization done (n=588): time 2.156e-05/2.718, allocations: 0 / 0.9171 GB, free: 205.8 MB / 0.7449 GB Notification: Performance of matching and sorting (n=648): time 0.1243/2.843, allocations: 30.81 MB / 0.9472 GB, free: 193 MB / 0.7449 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001373/2.843, allocations: 273.6 kB / 0.9474 GB, free: 192.8 MB / 0.7449 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01913/2.862, allocations: 7.862 MB / 0.9551 GB, free: 189.4 MB / 0.7449 GB Notification: Performance of collectPreVariables (initialization): time 0.001917/2.864, allocations: 155.2 kB / 0.9553 GB, free: 189.3 MB / 0.7449 GB Notification: Performance of collectInitialEqns (initialization): time 0.006507/2.87, allocations: 4.858 MB / 0.96 GB, free: 185.1 MB / 0.7449 GB Notification: Performance of collectInitialBindings (initialization): time 0.003838/2.874, allocations: 2.234 MB / 0.9622 GB, free: 183.2 MB / 0.7449 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001204/2.876, allocations: 156.1 kB / 0.9623 GB, free: 183.1 MB / 0.7449 GB Notification: Performance of setup shared object (initialization): time 0.0005429/2.876, allocations: 0.6174 MB / 0.9629 GB, free: 182.6 MB / 0.7449 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0154/2.892, allocations: 4.443 MB / 0.9673 GB, free: 180.3 MB / 0.7449 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01659/2.908, allocations: 6.24 MB / 0.9734 GB, free: 174.6 MB / 0.7449 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0174/2.926, allocations: 5.598 MB / 0.9788 GB, free: 169 MB / 0.7449 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.925e-05/2.926, allocations: 12 kB / 0.9788 GB, free: 169 MB / 0.7449 GB Notification: Performance of matching and sorting (n=984) (initialization): time 0.05274/2.979, allocations: 13.56 MB / 0.9921 GB, free: 155.3 MB / 0.7449 GB Notification: Performance of prepare postOptimizeDAE: time 0.005323/2.984, allocations: 26.58 MB / 1.018 GB, free: 126.8 MB / 0.7449 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000159/2.984, allocations: 48 kB / 1.018 GB, free: 126.8 MB / 0.7449 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01498/2.999, allocations: 1.904 MB / 1.02 GB, free: 124.8 MB / 0.7449 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0177/3.017, allocations: 2.044 MB / 1.022 GB, free: 122.8 MB / 0.7449 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03135/3.048, allocations: 11.29 MB / 1.033 GB, free: 111.3 MB / 0.7449 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01652/3.065, allocations: 0.7128 MB / 1.034 GB, free: 110.6 MB / 0.7449 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002268/3.067, allocations: 367.8 kB / 1.034 GB, free: 110.2 MB / 0.7449 GB Notification: Performance of prepare postOptimizeDAE: time 1.492e-05/3.067, allocations: 4 kB / 1.034 GB, free: 110.2 MB / 0.7449 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04675/3.114, allocations: 12.8 MB / 1.047 GB, free: 97.36 MB / 0.7449 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001192/3.114, allocations: 56.03 kB / 1.047 GB, free: 97.3 MB / 0.7449 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0148/3.129, allocations: 1.987 MB / 1.049 GB, free: 95.31 MB / 0.7449 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01801/3.147, allocations: 2.036 MB / 1.05 GB, free: 93.27 MB / 0.7449 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03222/3.179, allocations: 11.32 MB / 1.062 GB, free: 81.7 MB / 0.7449 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01572/3.195, allocations: 0.7013 MB / 1.062 GB, free: 81 MB / 0.7449 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002231/3.197, allocations: 371.8 kB / 1.063 GB, free: 80.63 MB / 0.7449 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 227 * 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 (919): * Single equations (assignments): 914 * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 2,1 59} Notification: Performance of prepare postOptimizeDAE: time 0.01087/3.208, allocations: 4.006 MB / 1.066 GB, free: 76.61 MB / 0.7449 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003813/3.212, allocations: 0.8798 MB / 1.067 GB, free: 75.72 MB / 0.7449 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04677/3.259, allocations: 12.06 MB / 1.079 GB, free: 63.49 MB / 0.7449 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.03507/3.294, allocations: 9.73 MB / 1.089 GB, free: 53.61 MB / 0.7449 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.246e-05/3.294, allocations: 0 / 1.089 GB, free: 53.61 MB / 0.7449 GB Notification: Performance of postOpt removeConstants (simulation): time 0.008341/3.302, allocations: 2.371 MB / 1.091 GB, free: 51.2 MB / 0.7449 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00371/3.306, allocations: 168 kB / 1.091 GB, free: 51.04 MB / 0.7449 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01399/3.32, allocations: 0.6624 MB / 1.092 GB, free: 50.38 MB / 0.7449 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001754/3.322, allocations: 413 kB / 1.092 GB, free: 49.97 MB / 0.7449 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 0.03882/3.361, allocations: 8.785 MB / 1.101 GB, free: 41.14 MB / 0.7449 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.