Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD") Notification: Performance of loadModel(Buildings): time 3.771/3.771, allocations: 402 MB / 416.6 MB, free: 10.13 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.292e-05/3.325e-05, allocations: 4 kB / 0.501 GB, free: 8.207 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1957/0.1958, allocations: 92.68 MB / 0.5915 GB, free: 11.35 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.5229/0.7188, allocations: 14.08 MB / 0.6053 GB, free: 5.469 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01317/0.732, allocations: 5.557 MB / 0.6107 GB, free: 4.508 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00213/0.7342, allocations: 56.06 kB / 0.6107 GB, free: 4.5 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.001776/0.736, allocations: 368 kB / 0.6111 GB, free: 4.309 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.004117/0.7402, allocations: 0.7054 MB / 0.6118 GB, free: 4.051 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.003737/0.7439, allocations: 0.7567 MB / 0.6125 GB, free: 3.742 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.005258/0.7492, allocations: 1.678 MB / 0.6142 GB, free: 2.961 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01677/0.7661, allocations: 5.545 MB / 0.6196 GB, free: 0.8711 MB / 0.4948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003329/0.7695, allocations: 0.9333 MB / 0.6205 GB, free: 492 kB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00519/0.7747, allocations: 1.407 MB / 0.6219 GB, free: 0 / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004366/0.7791, allocations: 0.5709 MB / 0.6224 GB, free: 15.88 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001933/0.7811, allocations: 156.7 kB / 0.6226 GB, free: 15.88 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.00451/0.7856, allocations: 1.446 MB / 0.624 GB, free: 15.48 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.002658/0.7884, allocations: 244.6 kB / 0.6242 GB, free: 15.48 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01424/0.8026, allocations: 5.505 MB / 0.6296 GB, free: 13.66 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 5.03e-06/0.8027, allocations: 0.875 kB / 0.6296 GB, free: 13.66 MB / 0.5105 GB Notification: Performance of FrontEnd: time 2.625e-06/0.8027, allocations: 4 kB / 0.6296 GB, free: 13.66 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002144/0.8029, allocations: 0 / 0.6296 GB, free: 13.66 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 0.01491/0.8179, allocations: 2.703 MB / 0.6322 GB, free: 11.84 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 6.799e-05/0.818, allocations: 11.23 kB / 0.6322 GB, free: 11.83 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02732/0.8453, allocations: 2.407 MB / 0.6346 GB, free: 10.7 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007834/0.8532, allocations: 1.95 MB / 0.6365 GB, free: 9.48 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003616/0.8536, allocations: 239.3 kB / 0.6367 GB, free: 9.367 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002019/0.8556, allocations: 308.2 kB / 0.637 GB, free: 9.262 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0263/0.882, allocations: 6.375 MB / 0.6432 GB, free: 5.594 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001341/0.8821, allocations: 5.344 kB / 0.6432 GB, free: 5.59 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001292/0.8834, allocations: 132.7 kB / 0.6434 GB, free: 5.488 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008447/0.8843, allocations: 322.4 kB / 0.6437 GB, free: 5.391 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02797/0.9123, allocations: 6.558 MB / 0.6501 GB, free: 2.09 MB / 0.5105 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04991/0.9622, allocations: 18.5 MB / 0.6681 GB, free: 15.42 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01561/0.9779, allocations: 5.405 MB / 0.6734 GB, free: 9.664 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000541/0.9785, allocations: 135 kB / 0.6736 GB, free: 9.516 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.46e-05/0.9786, allocations: 76.48 kB / 0.6736 GB, free: 9.434 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=230): time 5.981e-06/0.9786, allocations: 0 / 0.6736 GB, free: 9.434 MB / 0.5417 GB Notification: Performance of matching and sorting (n=311): time 0.2057/1.184, allocations: 31.09 MB / 0.704 GB, free: 10.16 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002321/1.185, allocations: 239.9 kB / 0.7042 GB, free: 9.875 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003005/1.188, allocations: 1.14 MB / 0.7053 GB, free: 8.723 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0008523/1.189, allocations: 73.7 kB / 0.7054 GB, free: 8.645 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001335/1.19, allocations: 1.235 MB / 0.7066 GB, free: 7.391 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001833/1.192, allocations: 1.044 MB / 0.7076 GB, free: 6.332 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000454/1.192, allocations: 64 kB / 0.7077 GB, free: 6.27 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.000335/1.193, allocations: 440.7 kB / 0.7081 GB, free: 5.832 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01124/1.204, allocations: 2.735 MB / 0.7108 GB, free: 3.094 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01249/1.216, allocations: 3.404 MB / 0.7141 GB, free: 15.43 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01276/1.229, allocations: 3.142 MB / 0.7172 GB, free: 12.27 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.722e-05/1.229, allocations: 8 kB / 0.7172 GB, free: 12.27 MB / 0.5886 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.04792/1.277, allocations: 10.45 MB / 0.7274 GB, free: 1.758 MB / 0.5886 GB Notification: Performance of prepare postOptimizeDAE: time 0.003744/1.281, allocations: 7.053 MB / 0.7343 GB, free: 10.15 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.41e-05/1.281, allocations: 23.92 kB / 0.7343 GB, free: 10.12 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03255/1.314, allocations: 5.341 MB / 0.7395 GB, free: 4.77 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008362/1.322, allocations: 0.9321 MB / 0.7404 GB, free: 3.836 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0533/1.375, allocations: 17.46 MB / 0.7575 GB, free: 2.203 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01011/1.386, allocations: 0.5147 MB / 0.758 GB, free: 1.688 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001096/1.387, allocations: 136 kB / 0.7581 GB, free: 1.555 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 1.694e-05/1.387, allocations: 4 kB / 0.7581 GB, free: 1.551 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 0.04176/1.428, allocations: 9.469 MB / 0.7674 GB, free: 7.859 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.711e-05/1.429, allocations: 16 kB / 0.7674 GB, free: 7.844 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01924/1.448, allocations: 3.149 MB / 0.7705 GB, free: 4.68 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01007/1.458, allocations: 1.104 MB / 0.7715 GB, free: 3.574 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05143/1.509, allocations: 26.16 MB / 0.7971 GB, free: 8.492 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007395/1.517, allocations: 0.5032 MB / 0.7976 GB, free: 7.988 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009767/1.518, allocations: 136 kB / 0.7977 GB, free: 7.855 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 0.004544/1.522, allocations: 1.327 MB / 0.799 GB, free: 6.52 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009796/1.523, allocations: 197.6 kB / 0.7992 GB, free: 6.324 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.05185/1.575, allocations: 10.69 MB / 0.8096 GB, free: 11.55 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.92e-05/1.576, allocations: 19.94 kB / 0.8096 GB, free: 11.53 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.359e-05/1.576, allocations: 4 kB / 0.8096 GB, free: 11.53 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003219/1.579, allocations: 0.7794 MB / 0.8104 GB, free: 10.73 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001063/1.58, allocations: 52 kB / 0.8104 GB, free: 10.68 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007342/1.587, allocations: 0.4914 MB / 0.8109 GB, free: 10.18 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001465/1.589, allocations: 341.6 kB / 0.8113 GB, free: 9.848 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.04959/1.638, allocations: 9.981 MB / 0.821 GB, free: 15.8 MB / 0.698 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.03703/1.675, allocations: 9.482 MB / 0.8303 GB, free: 6.211 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01151/1.687, allocations: 2.828 MB / 0.833 GB, free: 3.367 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.002345/1.689, allocations: 0.9084 MB / 0.8339 GB, free: 2.453 MB / 0.698 GB Notification: Performance of Backend: time 1.152e-06/1.689, allocations: 4 kB / 0.8339 GB, free: 2.449 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02461/1.714, allocations: 4.979 MB / 0.8388 GB, free: 13.45 MB / 0.7136 GB Notification: Performance of SimCode: time 0.01984/1.734, allocations: 8.249 MB / 0.8468 GB, free: 5.148 MB / 0.7136 GB Notification: Performance of Templates: time 0.6557/2.39, allocations: 58.73 MB / 0.9042 GB, free: 244.2 MB / 0.7448 GB