Running command: translateModel(Buildings.Fluid.SolarCollectors.Examples.FlatPlateWithTank,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.SolarCollectors.Examples.FlatPlateWithTank") Notification: Performance of loadModel(Buildings): time 3.927/3.927, allocations: 402 MB / 416.6 MB, free: 10.19 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.07e-05/3.081e-05, allocations: 4 kB / 0.5009 GB, free: 8.246 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2075/0.2076, allocations: 92.69 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.SolarCollectors.Examples.FlatPlateWithTank): time 0.6406/0.8482, allocations: 83.54 MB / 0.673 GB, free: 7.141 MB / 0.5417 GB Notification: Performance of NFInst.instExpressions: time 0.2961/1.144, allocations: 149.6 MB / 0.8192 GB, free: 5.059 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008327/1.153, allocations: 211.1 kB / 0.8194 GB, free: 4.852 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.008997/1.162, allocations: 1.605 MB / 0.8209 GB, free: 3.238 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.01921/1.181, allocations: 4.061 MB / 0.8249 GB, free: 15.16 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.01862/1.2, allocations: 3.785 MB / 0.8286 GB, free: 11.37 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.02963/1.229, allocations: 11.78 MB / 0.8401 GB, free: 15.57 MB / 0.7136 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01796/1.247, allocations: 7.452 MB / 0.8474 GB, free: 8.078 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01657/1.264, allocations: 5.388 MB / 0.8527 GB, free: 2.676 MB / 0.7136 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01303/1.277, allocations: 4.702 MB / 0.8572 GB, free: 13.96 MB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01371/1.291, allocations: 2.47 MB / 0.8597 GB, free: 11.48 MB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 0.004626/1.296, allocations: 400 kB / 0.86 GB, free: 11.09 MB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 0.005251/1.301, allocations: 1.887 MB / 0.8619 GB, free: 9.199 MB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 0.005752/1.307, allocations: 1.012 MB / 0.8629 GB, free: 8.188 MB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.02944/1.336, allocations: 15.38 MB / 0.8779 GB, free: 8.766 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 5.791e-06/1.336, allocations: 0 / 0.8779 GB, free: 8.766 MB / 0.7448 GB Notification: Performance of FrontEnd: time 3.456e-06/1.336, allocations: 0 / 0.8779 GB, free: 8.766 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.000747/1.337, allocations: 0 / 0.8779 GB, free: 8.766 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: 2111 * Number of variables: 2111 Notification: Performance of Generate backend data structure: time 1.167/2.504, allocations: 8.92 MB / 0.8866 GB, free: 116 MB / 0.7449 GB Notification: Performance of prepare preOptimizeDAE: time 6.208e-05/2.504, allocations: 9.906 kB / 0.8866 GB, free: 116 MB / 0.7449 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0234/2.528, allocations: 2.382 MB / 0.8889 GB, free: 115.4 MB / 0.7449 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03364/2.561, allocations: 8.855 MB / 0.8976 GB, free: 114.3 MB / 0.7449 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001625/2.563, allocations: 0.6965 MB / 0.8983 GB, free: 114.2 MB / 0.7449 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004114/2.567, allocations: 0.8421 MB / 0.8991 GB, free: 114.2 MB / 0.7449 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04685/2.614, allocations: 12 MB / 0.9108 GB, free: 113 MB / 0.7449 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004809/2.615, allocations: 30.58 kB / 0.9108 GB, free: 112.9 MB / 0.7449 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003014/2.618, allocations: 349.1 kB / 0.9112 GB, free: 112.9 MB / 0.7449 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004013/2.618, allocations: 244.4 kB / 0.9114 GB, free: 112.9 MB / 0.7449 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04479/2.663, allocations: 11.21 MB / 0.9223 GB, free: 112.9 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 0.1183/2.781, allocations: 49.73 MB / 0.9709 GB, free: 88.83 MB / 0.7449 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02378/2.805, allocations: 7.742 MB / 0.9785 GB, free: 87.41 MB / 0.7449 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0475/2.853, allocations: 15.61 MB / 0.9937 GB, free: 79.83 MB / 0.7449 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01504/2.868, allocations: 4.25 MB / 0.9979 GB, free: 78.55 MB / 0.7449 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.006674/2.875, allocations: 0.6138 MB / 0.9985 GB, free: 78.21 MB / 0.7449 GB Notification: Performance of pre-optimization done (n=552): time 3.142e-05/2.875, allocations: 0 / 0.9985 GB, free: 78.21 MB / 0.7449 GB Notification: Performance of matching and sorting (n=586): time 0.1666/3.041, allocations: 25.81 MB / 1.024 GB, free: 59.55 MB / 0.7449 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001257/3.041, allocations: 330.8 kB / 1.024 GB, free: 59.17 MB / 0.7449 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01801/3.059, allocations: 6.56 MB / 1.03 GB, free: 54.46 MB / 0.7449 GB Notification: Performance of collectPreVariables (initialization): time 0.001779/3.061, allocations: 145.3 kB / 1.031 GB, free: 54.4 MB / 0.7449 GB Notification: Performance of collectInitialEqns (initialization): time 0.006329/3.068, allocations: 4.306 MB / 1.035 GB, free: 51.87 MB / 0.7449 GB Notification: Performance of collectInitialBindings (initialization): time 0.003713/3.071, allocations: 2.012 MB / 1.037 GB, free: 49.96 MB / 0.7449 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001563/3.073, allocations: 140 kB / 1.037 GB, free: 49.82 MB / 0.7449 GB Notification: Performance of setup shared object (initialization): time 0.0006713/3.074, allocations: 0.5916 MB / 1.037 GB, free: 49.22 MB / 0.7449 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01396/3.088, allocations: 3.953 MB / 1.041 GB, free: 45.27 MB / 0.7449 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01525/3.103, allocations: 5.612 MB / 1.047 GB, free: 39.02 MB / 0.7449 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0159/3.119, allocations: 4.927 MB / 1.052 GB, free: 34.1 MB / 0.7449 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.219e-05/3.119, allocations: 12 kB / 1.052 GB, free: 34.09 MB / 0.7449 GB Notification: Performance of matching and sorting (n=905) (initialization): time 0.04154/3.161, allocations: 11.23 MB / 1.063 GB, free: 23.04 MB / 0.7449 GB Notification: Performance of prepare postOptimizeDAE: time 0.004819/3.165, allocations: 22.78 MB / 1.085 GB, free: 14.51 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002279/3.166, allocations: 48 kB / 1.085 GB, free: 14.46 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004249/3.17, allocations: 0.5436 MB / 1.085 GB, free: 13.92 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0173/3.187, allocations: 1.857 MB / 1.087 GB, free: 12.16 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009905/3.197, allocations: 3.607 MB / 1.091 GB, free: 8.469 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0149/3.212, allocations: 0.7094 MB / 1.091 GB, free: 7.758 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002268/3.215, allocations: 335.9 kB / 1.092 GB, free: 7.43 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.957e-05/3.215, allocations: 4 kB / 1.092 GB, free: 7.426 MB / 0.7605 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04243/3.257, allocations: 10.51 MB / 1.102 GB, free: 13.14 MB / 0.7762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000178/3.257, allocations: 44 kB / 1.102 GB, free: 13.1 MB / 0.7762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004143/3.261, allocations: 0.5696 MB / 1.103 GB, free: 12.53 MB / 0.7762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01708/3.279, allocations: 1.844 MB / 1.104 GB, free: 10.78 MB / 0.7762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01004/3.289, allocations: 3.641 MB / 1.108 GB, free: 7.059 MB / 0.7762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01473/3.303, allocations: 0.6898 MB / 1.109 GB, free: 6.367 MB / 0.7762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002296/3.306, allocations: 331.9 kB / 1.109 GB, free: 6.043 MB / 0.7762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 202 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTim1.tStart,weaDat.conTim1.tStart,$PRE.weaDat.conTim.tStart,weaDat.conTim.tStart) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (885): * Single equations (assignments): 879 * Array equations: 2 * Algorithm blocks: 2 * Record equations: 1 * 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 {1 17} Notification: Performance of prepare postOptimizeDAE: time 0.01152/3.317, allocations: 3.204 MB / 1.112 GB, free: 2.926 MB / 0.7762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.004063/3.321, allocations: 0.7716 MB / 1.113 GB, free: 2.145 MB / 0.7762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04245/3.364, allocations: 10.22 MB / 1.123 GB, free: 7.824 MB / 0.7918 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.03165/3.396, allocations: 8.293 MB / 1.131 GB, free: 15.39 MB / 0.8074 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.983e-05/3.396, allocations: 7.984 kB / 1.131 GB, free: 15.39 MB / 0.8074 GB Notification: Performance of postOpt removeConstants (simulation): time 0.007875/3.404, allocations: 2.025 MB / 1.133 GB, free: 13.34 MB / 0.8074 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002897/3.407, allocations: 144 kB / 1.133 GB, free: 13.2 MB / 0.8074 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01269/3.419, allocations: 0.6198 MB / 1.134 GB, free: 12.57 MB / 0.8074 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001743/3.421, allocations: 364.5 kB / 1.134 GB, free: 12.21 MB / 0.8074 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 0.03226/3.453, allocations: 6.519 MB / 1.14 GB, free: 5.703 MB / 0.8074 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.