Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD") Notification: Performance of loadModel(Buildings): time 3.84/3.84, allocations: 402 MB / 416.6 MB, free: 10.12 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.114e-05/3.132e-05, allocations: 0 / 0.501 GB, free: 8.227 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2254/0.2254, allocations: 92.7 MB / 0.5915 GB, free: 11.35 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD): time 0.5581/0.7836, allocations: 14.09 MB / 0.6053 GB, free: 5.473 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01652/0.8002, allocations: 5.541 MB / 0.6107 GB, free: 4.523 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002284/0.8025, allocations: 60 kB / 0.6107 GB, free: 4.512 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.001502/0.804, allocations: 371.6 kB / 0.6111 GB, free: 4.316 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.003861/0.8079, allocations: 0.7062 MB / 0.6118 GB, free: 4.059 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.00358/0.8116, allocations: 0.7506 MB / 0.6125 GB, free: 3.758 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.004534/0.8161, allocations: 1.673 MB / 0.6141 GB, free: 2.98 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01199/0.8282, allocations: 5.555 MB / 0.6196 GB, free: 0.8828 MB / 0.4948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002609/0.8308, allocations: 0.9292 MB / 0.6205 GB, free: 0.4961 MB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004035/0.8349, allocations: 1.408 MB / 0.6219 GB, free: 16 kB / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003389/0.8383, allocations: 0.5698 MB / 0.6224 GB, free: 15.9 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001262/0.8396, allocations: 157.8 kB / 0.6226 GB, free: 15.9 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.003225/0.8429, allocations: 1.445 MB / 0.624 GB, free: 15.5 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.001843/0.8448, allocations: 245.5 kB / 0.6242 GB, free: 15.5 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01074/0.8555, allocations: 5.507 MB / 0.6296 GB, free: 13.67 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 5.24e-06/0.8556, allocations: 0 / 0.6296 GB, free: 13.67 MB / 0.5105 GB Notification: Performance of FrontEnd: time 3.126e-06/0.8556, allocations: 1.375 kB / 0.6296 GB, free: 13.67 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002498/0.8559, allocations: 0 / 0.6296 GB, free: 13.67 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 874 * Number of variables: 874 Notification: Performance of Generate backend data structure: time 0.01195/0.8678, allocations: 2.712 MB / 0.6322 GB, free: 11.84 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.533e-05/0.8679, allocations: 9.688 kB / 0.6322 GB, free: 11.84 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0243/0.8922, allocations: 2.401 MB / 0.6346 GB, free: 10.71 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007855/0.9001, allocations: 1.954 MB / 0.6365 GB, free: 9.484 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003949/0.9006, allocations: 232 kB / 0.6367 GB, free: 9.379 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002056/0.9026, allocations: 312 kB / 0.637 GB, free: 9.27 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02716/0.9298, allocations: 6.375 MB / 0.6432 GB, free: 5.602 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002005/0.9301, allocations: 6.062 kB / 0.6432 GB, free: 5.598 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001834/0.9319, allocations: 132.3 kB / 0.6434 GB, free: 5.496 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009256/0.9329, allocations: 321 kB / 0.6437 GB, free: 5.398 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03284/0.9658, allocations: 6.568 MB / 0.6501 GB, free: 2.09 MB / 0.5105 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0686/1.034, allocations: 18.49 MB / 0.6681 GB, free: 15.44 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01718/1.052, allocations: 5.42 MB / 0.6734 GB, free: 9.672 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005671/1.052, allocations: 139 kB / 0.6736 GB, free: 9.52 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.742e-05/1.052, allocations: 60.55 kB / 0.6736 GB, free: 9.453 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=230): time 5.861e-06/1.052, allocations: 4 kB / 0.6736 GB, free: 9.449 MB / 0.5417 GB Notification: Performance of matching and sorting (n=311): time 0.1994/1.252, allocations: 31.08 MB / 0.704 GB, free: 10.18 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001583/1.252, allocations: 239.9 kB / 0.7042 GB, free: 9.898 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002753/1.255, allocations: 1.14 MB / 0.7053 GB, free: 8.746 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0008559/1.256, allocations: 73.7 kB / 0.7054 GB, free: 8.668 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001261/1.257, allocations: 1.235 MB / 0.7066 GB, free: 7.414 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001912/1.259, allocations: 1.044 MB / 0.7076 GB, free: 6.355 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005198/1.259, allocations: 64 kB / 0.7077 GB, free: 6.293 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0003363/1.26, allocations: 440.7 kB / 0.7081 GB, free: 5.855 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01135/1.271, allocations: 2.735 MB / 0.7108 GB, free: 3.117 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01353/1.285, allocations: 3.408 MB / 0.7141 GB, free: 15.45 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01245/1.297, allocations: 3.144 MB / 0.7172 GB, free: 12.29 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.766e-05/1.297, allocations: 8 kB / 0.7172 GB, free: 12.28 MB / 0.5886 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.04705/1.344, allocations: 10.45 MB / 0.7274 GB, free: 1.773 MB / 0.5886 GB Notification: Performance of prepare postOptimizeDAE: time 0.002873/1.347, allocations: 7.057 MB / 0.7343 GB, free: 10.16 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.467e-05/1.347, allocations: 19.98 kB / 0.7343 GB, free: 10.14 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03134/1.379, allocations: 5.337 MB / 0.7395 GB, free: 4.793 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008129/1.387, allocations: 0.9321 MB / 0.7404 GB, free: 3.859 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04627/1.433, allocations: 17.46 MB / 0.7575 GB, free: 2.227 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007553/1.441, allocations: 0.5108 MB / 0.758 GB, free: 1.715 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001101/1.442, allocations: 144 kB / 0.7581 GB, free: 1.574 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 1.696e-05/1.442, allocations: 4 kB / 0.7581 GB, free: 1.57 MB / 0.6198 GB Warning: The linear system: 1 : line2.i3[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1] 2 : line2.i2[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1] 3 : line2.i1[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ transformer.conv3.terminal_p.i[1] ; transformer.conv1.terminal_p.i[1] ; transformer.conv2.terminal_p.i[1] ] = [ -line2.i3[1] ; -line2.i2[1] ; -line2.i1[1] ] might be structurally or numerically singular for variable transformer.conv2.terminal_p.i[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.i3[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2] 2 : line2.i1[2] - transformer.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2] 3 : line2.i2[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ transformer.conv2.terminal_p.i[2] ; transformer.conv1.terminal_p.i[2] ; transformer.conv3.terminal_p.i[2] ] = [ -line2.i3[2] ; -line2.i1[2] ; -line2.i2[2] ] might be structurally or numerically singular for variable transformer.conv3.terminal_p.i[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v1_n[2] - line2.v2_n[2] 2 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 3 : transformer.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ line2.v2_n[2] ; line2.v3_n[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv3.V2[2] ; -transformer.conv2.V2[2] ] might be structurally or numerically singular for variable line2.v1_n[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1] 3 : transformer.conv2.V2[1] = line2.v2_n[1] - line2.v3_n[1] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v3_n[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv3.V2[1] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03913/1.481, allocations: 9.467 MB / 0.7674 GB, free: 7.891 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.619e-05/1.481, allocations: 16 kB / 0.7674 GB, free: 7.875 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01862/1.5, allocations: 3.153 MB / 0.7705 GB, free: 4.703 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009915/1.51, allocations: 1.104 MB / 0.7715 GB, free: 3.598 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05126/1.561, allocations: 26.16 MB / 0.7971 GB, free: 8.516 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009702/1.571, allocations: 0.4993 MB / 0.7976 GB, free: 8.016 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001058/1.572, allocations: 140.3 kB / 0.7977 GB, free: 7.879 MB / 0.6667 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 81 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (270): * Single equations (assignments): 268 * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(9,85.2%) 63} * Non-linear torn systems: 1 {13 59} Notification: Performance of prepare postOptimizeDAE: time 0.005508/1.578, allocations: 1.324 MB / 0.799 GB, free: 6.543 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001279/1.579, allocations: 201.6 kB / 0.7992 GB, free: 6.344 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.06091/1.64, allocations: 10.68 MB / 0.8096 GB, free: 11.57 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001094/1.64, allocations: 23.88 kB / 0.8096 GB, free: 11.55 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.276e-05/1.64, allocations: 0 / 0.8096 GB, free: 11.55 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003204/1.643, allocations: 0.7833 MB / 0.8104 GB, free: 10.75 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009118/1.644, allocations: 59.94 kB / 0.8105 GB, free: 10.69 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007117/1.651, allocations: 0.4914 MB / 0.8109 GB, free: 10.2 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001409/1.653, allocations: 341.6 kB / 0.8113 GB, free: 9.859 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0475/1.7, allocations: 9.977 MB / 0.821 GB, free: 15.81 MB / 0.698 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.04455/1.745, allocations: 9.478 MB / 0.8303 GB, free: 6.23 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01434/1.759, allocations: 2.831 MB / 0.833 GB, free: 3.383 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.002939/1.762, allocations: 0.9006 MB / 0.8339 GB, free: 2.477 MB / 0.698 GB Notification: Performance of Backend: time 9.42e-07/1.762, allocations: 0 / 0.8339 GB, free: 2.477 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02975/1.792, allocations: 4.976 MB / 0.8388 GB, free: 13.48 MB / 0.7136 GB Notification: Performance of SimCode: time 0.01761/1.81, allocations: 8.264 MB / 0.8468 GB, free: 5.16 MB / 0.7136 GB Notification: Performance of Templates: time 0.6515/2.461, allocations: 58.73 MB / 0.9042 GB, free: 244.2 MB / 0.7448 GB