Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD") Notification: Performance of loadModel(Buildings): time 3.764/3.764, allocations: 402 MB / 416.6 MB, free: 10.11 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.086e-05/3.09e-05, allocations: 4 kB / 0.501 GB, free: 8.207 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2397/0.2397, allocations: 92.69 MB / 0.5915 GB, free: 11.34 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD): time 0.5499/0.7897, allocations: 14.01 MB / 0.6052 GB, free: 5.445 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01256/0.8023, allocations: 5.527 MB / 0.6106 GB, free: 4.512 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001968/0.8044, allocations: 54.53 kB / 0.6106 GB, free: 4.504 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.00119/0.8056, allocations: 374.1 kB / 0.611 GB, free: 4.309 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.003452/0.8091, allocations: 0.7021 MB / 0.6117 GB, free: 4.051 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.003555/0.8126, allocations: 0.7535 MB / 0.6124 GB, free: 3.746 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.004679/0.8174, allocations: 1.656 MB / 0.614 GB, free: 2.973 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01192/0.8293, allocations: 5.518 MB / 0.6194 GB, free: 0.9414 MB / 0.4948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002692/0.8321, allocations: 0.9215 MB / 0.6203 GB, free: 0.5586 MB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004086/0.8362, allocations: 1.395 MB / 0.6217 GB, free: 88 kB / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003576/0.8398, allocations: 0.5745 MB / 0.6222 GB, free: 15.96 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001622/0.8415, allocations: 161 kB / 0.6224 GB, free: 15.96 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.003712/0.8453, allocations: 1.44 MB / 0.6238 GB, free: 15.57 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.00226/0.8476, allocations: 247.1 kB / 0.624 GB, free: 15.56 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01091/0.8585, allocations: 5.47 MB / 0.6294 GB, free: 13.78 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 3.977e-06/0.8586, allocations: 0 / 0.6294 GB, free: 13.78 MB / 0.5105 GB Notification: Performance of FrontEnd: time 4.368e-06/0.8586, allocations: 0 / 0.6294 GB, free: 13.78 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002017/0.8588, allocations: 0 / 0.6294 GB, free: 13.78 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: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.01093/0.8697, allocations: 2.686 MB / 0.632 GB, free: 11.97 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.413e-05/0.8698, allocations: 9.156 kB / 0.632 GB, free: 11.97 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02373/0.8936, allocations: 2.4 MB / 0.6344 GB, free: 10.84 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007443/0.9011, allocations: 1.941 MB / 0.6363 GB, free: 9.625 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002854/0.9014, allocations: 233.5 kB / 0.6365 GB, free: 9.516 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001533/0.9029, allocations: 295 kB / 0.6368 GB, free: 9.422 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02557/0.9285, allocations: 6.359 MB / 0.643 GB, free: 5.754 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001564/0.9287, allocations: 2.625 kB / 0.643 GB, free: 5.754 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001659/0.9304, allocations: 135 kB / 0.6431 GB, free: 5.648 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009242/0.9314, allocations: 312.6 kB / 0.6434 GB, free: 5.559 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03798/0.9694, allocations: 6.555 MB / 0.6498 GB, free: 2.254 MB / 0.5105 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05864/1.028, allocations: 18.42 MB / 0.6678 GB, free: 15.77 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01617/1.044, allocations: 5.42 MB / 0.6731 GB, free: 9.996 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005878/1.045, allocations: 139 kB / 0.6732 GB, free: 9.844 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.194e-05/1.045, allocations: 68.56 kB / 0.6733 GB, free: 9.77 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=230): time 6.292e-06/1.045, allocations: 0 / 0.6733 GB, free: 9.77 MB / 0.5417 GB Notification: Performance of matching and sorting (n=311): time 0.2041/1.249, allocations: 31.03 MB / 0.7036 GB, free: 10.55 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001547/1.249, allocations: 239.9 kB / 0.7038 GB, free: 10.27 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002703/1.252, allocations: 1.099 MB / 0.7049 GB, free: 9.156 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0008274/1.253, allocations: 77.7 kB / 0.705 GB, free: 9.074 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001163/1.254, allocations: 1.227 MB / 0.7062 GB, free: 7.828 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001881/1.256, allocations: 1.043 MB / 0.7072 GB, free: 6.77 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004605/1.256, allocations: 60 kB / 0.7072 GB, free: 6.711 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0003212/1.257, allocations: 448.7 kB / 0.7077 GB, free: 6.266 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01126/1.268, allocations: 2.731 MB / 0.7103 GB, free: 3.531 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01255/1.281, allocations: 3.408 MB / 0.7137 GB, free: 15.87 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01456/1.295, allocations: 3.138 MB / 0.7167 GB, free: 12.71 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.458e-05/1.295, allocations: 4 kB / 0.7167 GB, free: 12.71 MB / 0.5886 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.05028/1.346, allocations: 10.44 MB / 0.7269 GB, free: 2.207 MB / 0.5886 GB Notification: Performance of prepare postOptimizeDAE: time 0.002887/1.349, allocations: 7.063 MB / 0.7338 GB, free: 10.59 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.154e-05/1.349, allocations: 20.12 kB / 0.7338 GB, free: 10.57 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03191/1.381, allocations: 5.341 MB / 0.739 GB, free: 5.215 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008386/1.389, allocations: 0.9321 MB / 0.74 GB, free: 4.281 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04883/1.438, allocations: 17.45 MB / 0.757 GB, free: 2.66 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007441/1.446, allocations: 0.5109 MB / 0.7575 GB, free: 2.148 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008188/1.446, allocations: 147.9 kB / 0.7576 GB, free: 2.004 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 1.459e-05/1.446, allocations: 4 kB / 0.7576 GB, free: 2 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 0.0395/1.486, allocations: 9.464 MB / 0.7669 GB, free: 8.324 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.77e-05/1.486, allocations: 20.61 kB / 0.7669 GB, free: 8.305 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01886/1.505, allocations: 3.156 MB / 0.77 GB, free: 5.133 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009884/1.515, allocations: 1.1 MB / 0.7711 GB, free: 4.031 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06719/1.582, allocations: 26.16 MB / 0.7966 GB, free: 8.949 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009656/1.592, allocations: 0.4992 MB / 0.7971 GB, free: 8.449 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001429/1.593, allocations: 136.1 kB / 0.7972 GB, free: 8.316 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 0.006121/1.599, allocations: 1.324 MB / 0.7985 GB, free: 6.98 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001428/1.601, allocations: 197.6 kB / 0.7987 GB, free: 6.785 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.06725/1.668, allocations: 10.69 MB / 0.8091 GB, free: 12.01 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001214/1.668, allocations: 15.94 kB / 0.8092 GB, free: 11.99 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.69e-05/1.668, allocations: 4 kB / 0.8092 GB, free: 11.99 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.004348/1.673, allocations: 0.7679 MB / 0.8099 GB, free: 11.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001549/1.674, allocations: 52 kB / 0.81 GB, free: 11.15 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007238/1.682, allocations: 0.4953 MB / 0.8105 GB, free: 10.65 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001327/1.683, allocations: 345.5 kB / 0.8108 GB, free: 10.31 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0477/1.731, allocations: 9.978 MB / 0.8205 GB, free: 272 kB / 0.6823 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.03604/1.767, allocations: 9.473 MB / 0.8298 GB, free: 6.688 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01104/1.778, allocations: 2.832 MB / 0.8325 GB, free: 3.84 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.00213/1.78, allocations: 0.8756 MB / 0.8334 GB, free: 2.957 MB / 0.698 GB Notification: Performance of Backend: time 1.272e-06/1.78, allocations: 0 / 0.8334 GB, free: 2.957 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.03074/1.811, allocations: 4.975 MB / 0.8383 GB, free: 13.96 MB / 0.7136 GB Notification: Performance of SimCode: time 0.02388/1.835, allocations: 8.184 MB / 0.8462 GB, free: 5.727 MB / 0.7136 GB Notification: Performance of Templates: time 0.6746/2.51, allocations: 58.2 MB / 0.9031 GB, free: 245.9 MB / 0.7448 GB