Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WetCoilDiscretizedMassFlow,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.WetCoilDiscretizedMassFlow") Notification: Performance of loadModel(Buildings): time 3.797/3.797, allocations: 402 MB / 416.6 MB, free: 10.11 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.673e-05/3.69e-05, allocations: 7.984 kB / 0.5009 GB, free: 8.246 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2045/0.2046, allocations: 92.69 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WetCoilDiscretizedMassFlow): time 1.689/1.894, allocations: 310.7 MB / 0.8949 GB, free: 37.38 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.04316/1.937, allocations: 21.6 MB / 0.916 GB, free: 37.15 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006016/1.943, allocations: 132.8 kB / 0.9161 GB, free: 37.15 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.006569/1.95, allocations: 1.469 MB / 0.9176 GB, free: 37.14 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.01699/1.967, allocations: 3.768 MB / 0.9212 GB, free: 37.05 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.009769/1.977, allocations: 1.996 MB / 0.9232 GB, free: 36.98 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.1224/2.099, allocations: 42.12 MB / 0.9643 GB, free: 36.77 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0725/2.172, allocations: 33.36 MB / 0.9969 GB, free: 26.95 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.05145/2.223, allocations: 19.06 MB / 1.016 GB, free: 15.98 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.04946/2.273, allocations: 17.63 MB / 1.033 GB, free: 4.309 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.03857/2.311, allocations: 2.9 MB / 1.036 GB, free: 1.828 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.01665/2.328, allocations: 1.289 MB / 1.037 GB, free: 0.5391 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.02712/2.355, allocations: 8.105 MB / 1.045 GB, free: 11.59 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.02783/2.383, allocations: 3.8 MB / 1.048 GB, free: 7.793 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.1312/2.514, allocations: 79.72 MB / 1.126 GB, free: 2.277 MB / 0.823 GB Notification: Performance of FrontEnd - DAE generated: time 4.699e-06/2.514, allocations: 0 / 1.126 GB, free: 2.277 MB / 0.823 GB Notification: Performance of FrontEnd: time 2.995e-06/2.514, allocations: 0 / 1.126 GB, free: 2.277 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.002319/2.517, allocations: 0 / 1.126 GB, free: 2.277 MB / 0.823 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 6861 * Number of variables: 6861 Notification: Performance of Generate backend data structure: time 0.1554/2.672, allocations: 35.77 MB / 1.161 GB, free: 0.8164 MB / 0.8542 GB Notification: Performance of prepare preOptimizeDAE: time 6.896e-05/2.672, allocations: 8.031 kB / 1.161 GB, free: 0.8086 MB / 0.8542 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.1075/2.78, allocations: 7.809 MB / 1.169 GB, free: 9.293 MB / 0.8698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 1.592/4.372, allocations: 54.75 MB / 1.222 GB, free: 201.6 MB / 0.9012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.003869/4.376, allocations: 1.991 MB / 1.224 GB, free: 201.5 MB / 0.9012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.01811/4.394, allocations: 2.705 MB / 1.227 GB, free: 201.5 MB / 0.9012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.2553/4.65, allocations: 59.82 MB / 1.285 GB, free: 196 MB / 0.9012 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.001947/4.652, allocations: 70.14 kB / 1.285 GB, free: 196 MB / 0.9012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.01522/4.667, allocations: 1.084 MB / 1.286 GB, free: 196 MB / 0.9012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001734/4.669, allocations: 1.213 MB / 1.288 GB, free: 195.8 MB / 0.9012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1779/4.846, allocations: 60.66 MB / 1.347 GB, free: 152.8 MB / 0.9012 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 0.5354/5.382, allocations: 218 MB / 1.56 GB, free: 5.203 MB / 0.9637 GB Notification: Performance of preOpt comSubExp (simulation): time 0.08541/5.467, allocations: 31.35 MB / 1.59 GB, free: 5.484 MB / 0.9949 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003474/5.471, allocations: 0.7474 MB / 1.591 GB, free: 4.688 MB / 0.9949 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.45/6.921, allocations: 21.28 MB / 1.612 GB, free: 273.2 MB / 0.995 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.1258/7.047, allocations: 50.1 MB / 1.661 GB, free: 269.1 MB / 0.995 GB Notification: Performance of pre-optimization done (n=1578): time 7.252e-05/7.047, allocations: 0 / 1.661 GB, free: 269.1 MB / 0.995 GB Notification: Performance of matching and sorting (n=1650): time 0.6687/7.716, allocations: 174.7 MB / 1.831 GB, free: 140.2 MB / 0.995 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003173/7.716, allocations: 0.8856 MB / 1.832 GB, free: 139.2 MB / 0.995 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.07484/7.791, allocations: 26.54 MB / 1.858 GB, free: 117 MB / 0.995 GB Notification: Performance of collectPreVariables (initialization): time 0.006607/7.798, allocations: 357.7 kB / 1.859 GB, free: 116.6 MB / 0.995 GB Notification: Performance of collectInitialEqns (initialization): time 0.02822/7.826, allocations: 15.46 MB / 1.874 GB, free: 101.2 MB / 0.995 GB Notification: Performance of collectInitialBindings (initialization): time 0.01303/7.839, allocations: 5.932 MB / 1.879 GB, free: 95.32 MB / 0.995 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.006099/7.845, allocations: 334.6 kB / 1.88 GB, free: 95 MB / 0.995 GB Notification: Performance of setup shared object (initialization): time 0.002393/7.848, allocations: 1.11 MB / 1.881 GB, free: 93.88 MB / 0.995 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04352/7.891, allocations: 17.58 MB / 1.898 GB, free: 76.28 MB / 0.995 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04943/7.941, allocations: 21.96 MB / 1.919 GB, free: 52.69 MB / 0.995 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.05405/7.995, allocations: 22.13 MB / 1.941 GB, free: 30.64 MB / 0.995 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001005/7.995, allocations: 24 kB / 1.941 GB, free: 30.62 MB / 0.995 GB Notification: Performance of matching and sorting (n=2123) (initialization): time 1.41/9.405, allocations: 43.45 MB / 1.984 GB, free: 345 MB / 0.9953 GB Notification: Performance of prepare postOptimizeDAE: time 0.01306/9.418, allocations: 67.28 MB / 2.049 GB, free: 276.4 MB / 0.9953 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003443/9.418, allocations: 78.97 kB / 2.049 GB, free: 276.4 MB / 0.9953 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00418/9.423, allocations: 1.176 MB / 2.05 GB, free: 276.1 MB / 0.9953 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.04784/9.47, allocations: 4.775 MB / 2.055 GB, free: 275.9 MB / 0.9953 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02515/9.496, allocations: 13.94 MB / 2.069 GB, free: 268.5 MB / 0.9953 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04645/9.542, allocations: 3.151 MB / 2.072 GB, free: 268.2 MB / 0.9953 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006814/9.549, allocations: 0.7923 MB / 2.073 GB, free: 268.1 MB / 0.9953 GB Notification: Performance of prepare postOptimizeDAE: time 1.579e-05/9.549, allocations: 5.406 kB / 2.073 GB, free: 268.1 MB / 0.9953 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.1172/9.666, allocations: 41.41 MB / 2.113 GB, free: 254.8 MB / 0.9953 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003339/9.667, allocations: 82.78 kB / 2.113 GB, free: 254.8 MB / 0.9953 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003458/9.67, allocations: 1.163 MB / 2.114 GB, free: 254.6 MB / 0.9953 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.04413/9.714, allocations: 4.669 MB / 2.119 GB, free: 254.2 MB / 0.9953 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02432/9.739, allocations: 13.28 MB / 2.132 GB, free: 247.4 MB / 0.9953 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.05294/9.792, allocations: 3.095 MB / 2.135 GB, free: 246.7 MB / 0.9953 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008344/9.8, allocations: 0.7954 MB / 2.136 GB, free: 246.4 MB / 0.9953 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 363 * Number of states: 0 () * Number of discrete variables: 14 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,$PRE.mWatGai.nextEvent,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,$PRE.mAirGai.nextEvent,mAirGai.nextEvent,mAirGai.nextEventScaled) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (2039): * Single equations (assignments): 2034 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 1 {1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(1,100.0%) 48,(1,100.0%) 24} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.06545/9.866, allocations: 22.59 MB / 2.158 GB, free: 231.9 MB / 0.9953 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01336/9.879, allocations: 2.316 MB / 2.16 GB, free: 230.8 MB / 0.9953 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1365/10.02, allocations: 44.44 MB / 2.203 GB, free: 186.2 MB / 0.9953 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0923/10.11, allocations: 34.51 MB / 2.237 GB, free: 151.5 MB / 0.9953 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.000127/10.11, allocations: 4 kB / 2.237 GB, free: 151.5 MB / 0.9953 GB Notification: Performance of postOpt removeConstants (simulation): time 0.03105/10.14, allocations: 7.915 MB / 2.245 GB, free: 144.4 MB / 0.9953 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.01245/10.15, allocations: 0.4998 MB / 2.245 GB, free: 143.9 MB / 0.9953 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0406/10.19, allocations: 2.849 MB / 2.248 GB, free: 141.1 MB / 0.9953 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.006431/10.2, allocations: 0.9606 MB / 2.249 GB, free: 140.1 MB / 0.9953 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 0.09914/10.3, allocations: 27.81 MB / 2.276 GB, free: 112.4 MB / 0.9953 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.