Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadModel(Buildings): time 3.738/3.738, allocations: 402 MB / 416.6 MB, free: 10.1 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.155e-05/3.16e-05, allocations: 4 kB / 0.501 GB, free: 8.199 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1972/0.1973, allocations: 92.69 MB / 0.5915 GB, free: 11.33 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.5599/0.7572, allocations: 15.77 MB / 0.6069 GB, free: 5.512 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01817/0.7754, allocations: 5.877 MB / 0.6126 GB, free: 3.715 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002157/0.7776, allocations: 62.59 kB / 0.6127 GB, free: 3.707 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.001511/0.7792, allocations: 422.2 kB / 0.6131 GB, free: 3.484 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.00376/0.783, allocations: 0.7198 MB / 0.6138 GB, free: 3.109 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.003783/0.7868, allocations: 0.7795 MB / 0.6146 GB, free: 2.738 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.004988/0.7918, allocations: 1.766 MB / 0.6163 GB, free: 1.691 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01553/0.8074, allocations: 6.934 MB / 0.6231 GB, free: 15 MB / 0.5105 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003165/0.8106, allocations: 1.017 MB / 0.6241 GB, free: 14.58 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004456/0.8151, allocations: 1.494 MB / 0.6255 GB, free: 14.07 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003492/0.8187, allocations: 0.5817 MB / 0.6261 GB, free: 13.95 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001513/0.8202, allocations: 165.2 kB / 0.6262 GB, free: 13.95 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.003888/0.8241, allocations: 1.585 MB / 0.6278 GB, free: 13.51 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.002577/0.8268, allocations: 271.8 kB / 0.628 GB, free: 13.51 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01209/0.8389, allocations: 6.404 MB / 0.6343 GB, free: 10.46 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 3.948e-06/0.8389, allocations: 0 / 0.6343 GB, free: 10.46 MB / 0.5105 GB Notification: Performance of FrontEnd: time 2.635e-06/0.8389, allocations: 3.938 kB / 0.6343 GB, free: 10.45 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.000235/0.8392, allocations: 5.375 kB / 0.6343 GB, free: 10.45 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01243/0.8516, allocations: 2.972 MB / 0.6372 GB, free: 8.469 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 6.566e-05/0.8517, allocations: 13.17 kB / 0.6372 GB, free: 8.465 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02503/0.8768, allocations: 2.438 MB / 0.6396 GB, free: 7.32 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008564/0.8854, allocations: 2.13 MB / 0.6417 GB, free: 6 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004369/0.8859, allocations: 271.5 kB / 0.6419 GB, free: 5.875 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002216/0.8881, allocations: 350.9 kB / 0.6423 GB, free: 5.758 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02888/0.917, allocations: 7.067 MB / 0.6492 GB, free: 1.699 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001489/0.9172, allocations: 6.688 kB / 0.6492 GB, free: 1.695 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001703/0.9189, allocations: 156.7 kB / 0.6493 GB, free: 1.574 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008437/0.9198, allocations: 327.1 kB / 0.6496 GB, free: 1.484 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03062/0.9504, allocations: 6.985 MB / 0.6565 GB, free: 11.88 MB / 0.5261 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05453/1.005, allocations: 20.44 MB / 0.6764 GB, free: 6.801 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01522/1.02, allocations: 4.925 MB / 0.6812 GB, free: 1.574 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005086/1.021, allocations: 131 kB / 0.6814 GB, free: 1.43 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.458e-05/1.021, allocations: 60.48 kB / 0.6814 GB, free: 1.363 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=208): time 7.915e-06/1.021, allocations: 11.92 kB / 0.6814 GB, free: 1.352 MB / 0.5417 GB Notification: Performance of matching and sorting (n=277): time 0.1773/1.198, allocations: 28.21 MB / 0.709 GB, free: 5.008 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001457/1.198, allocations: 235.6 kB / 0.7092 GB, free: 4.727 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003068/1.202, allocations: 1.291 MB / 0.7105 GB, free: 3.43 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0007431/1.202, allocations: 65.7 kB / 0.7105 GB, free: 3.359 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001445/1.204, allocations: 1.486 MB / 0.712 GB, free: 1.852 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001651/1.205, allocations: 0.9397 MB / 0.7129 GB, free: 0.8984 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005087/1.206, allocations: 64 kB / 0.713 GB, free: 0.8359 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0003279/1.206, allocations: 440.8 kB / 0.7134 GB, free: 408 kB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01095/1.217, allocations: 2.614 MB / 0.7159 GB, free: 13.78 MB / 0.5886 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01216/1.23, allocations: 3.49 MB / 0.7193 GB, free: 9.91 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01215/1.242, allocations: 3.061 MB / 0.7223 GB, free: 6.828 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.979e-05/1.242, allocations: 4 kB / 0.7223 GB, free: 6.824 MB / 0.5886 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04758/1.289, allocations: 10.13 MB / 0.7322 GB, free: 12.64 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 0.004143/1.294, allocations: 10.36 MB / 0.7424 GB, free: 1.457 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001142/1.294, allocations: 24 kB / 0.7424 GB, free: 1.434 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03102/1.325, allocations: 5.014 MB / 0.7473 GB, free: 12.4 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01019/1.335, allocations: 0.975 MB / 0.7482 GB, free: 11.43 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06149/1.397, allocations: 15.37 MB / 0.7632 GB, free: 11.9 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0102/1.407, allocations: 0.5418 MB / 0.7638 GB, free: 11.36 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001279/1.408, allocations: 151.9 kB / 0.7639 GB, free: 11.21 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 2.294e-05/1.408, allocations: 4.375 kB / 0.7639 GB, free: 11.2 MB / 0.6355 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.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2] 3 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v3_n[2] ; line2.v2_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv2.V2[2] ; -transformer.conv3.V2[2] ] might be structurally or numerically singular for variable line2.v2_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.conv2.V2[1] = line2.v2_n[1] - line2.v3_n[1] 3 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v3_n[1] ; line2.v2_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv2.V2[1] ; -transformer.conv3.V2[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04/1.448, allocations: 9.238 MB / 0.7729 GB, free: 1.738 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001143/1.448, allocations: 24 kB / 0.773 GB, free: 1.715 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02/1.468, allocations: 3.034 MB / 0.7759 GB, free: 14.66 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01029/1.479, allocations: 1.119 MB / 0.777 GB, free: 13.54 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04419/1.523, allocations: 24.44 MB / 0.8009 GB, free: 4.172 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007371/1.53, allocations: 0.5147 MB / 0.8014 GB, free: 3.656 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009659/1.531, allocations: 148 kB / 0.8015 GB, free: 3.512 MB / 0.6667 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (298): * Single equations (assignments): 296 * 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 {(9,91.4%) 51} * Non-linear torn systems: 1 {10 50} Notification: Performance of prepare postOptimizeDAE: time 0.004931/1.536, allocations: 1.5 MB / 0.803 GB, free: 2 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009479/1.537, allocations: 197.6 kB / 0.8032 GB, free: 1.805 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.05851/1.596, allocations: 9.415 MB / 0.8124 GB, free: 8.312 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001001/1.596, allocations: 15.95 kB / 0.8124 GB, free: 8.297 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.443e-05/1.596, allocations: 0 / 0.8124 GB, free: 8.297 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003837/1.6, allocations: 0.7248 MB / 0.8131 GB, free: 7.551 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00106/1.601, allocations: 51.98 kB / 0.8131 GB, free: 7.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.009384/1.61, allocations: 491.2 kB / 0.8136 GB, free: 7.02 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001573/1.612, allocations: 301.5 kB / 0.8139 GB, free: 6.723 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.05032/1.662, allocations: 9.171 MB / 0.8229 GB, free: 13.48 MB / 0.698 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.03418/1.697, allocations: 8.831 MB / 0.8315 GB, free: 4.531 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01079/1.707, allocations: 2.592 MB / 0.834 GB, free: 1.922 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.002548/1.71, allocations: 0.9659 MB / 0.835 GB, free: 0.9531 MB / 0.698 GB Notification: Performance of Backend: time 1.343e-06/1.71, allocations: 7.828 kB / 0.835 GB, free: 0.9492 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02282/1.733, allocations: 4.741 MB / 0.8396 GB, free: 12.2 MB / 0.7136 GB Notification: Performance of SimCode: time 0.01978/1.753, allocations: 8.543 MB / 0.8479 GB, free: 3.613 MB / 0.7136 GB Notification: Performance of Templates: time 0.6887/2.442, allocations: 55.71 MB / 0.9023 GB, free: 242.4 MB / 0.7448 GB