Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadModel(Buildings): time 4.413/4.413, allocations: 431.3 MB / 445.8 MB, free: 5.414 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.128e-05/3.122e-05, allocations: 4 kB / 0.5354 GB, free: 14.8 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6657/0.6657, allocations: 98.71 MB / 0.6318 GB, free: 11.96 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02971/0.6955, allocations: 15.93 MB / 0.6474 GB, free: 11.98 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.0157/0.7112, allocations: 5.97 MB / 0.6532 GB, free: 5.996 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001911/0.7132, allocations: 59.88 kB / 0.6533 GB, free: 5.938 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.001934/0.7152, allocations: 421.5 kB / 0.6537 GB, free: 5.523 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.004127/0.7194, allocations: 0.7669 MB / 0.6544 GB, free: 4.754 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.003701/0.7231, allocations: 0.7758 MB / 0.6552 GB, free: 3.977 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.004965/0.7281, allocations: 1.821 MB / 0.657 GB, free: 2.152 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01599/0.7442, allocations: 6.922 MB / 0.6637 GB, free: 11.18 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002774/0.747, allocations: 1.044 MB / 0.6647 GB, free: 10.13 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004033/0.7511, allocations: 1.512 MB / 0.6662 GB, free: 8.617 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002867/0.754, allocations: 0.5774 MB / 0.6668 GB, free: 8.039 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.001437/0.7555, allocations: 164 kB / 0.6669 GB, free: 7.879 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.003295/0.7588, allocations: 1.626 MB / 0.6685 GB, free: 6.25 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.002235/0.7611, allocations: 292 kB / 0.6688 GB, free: 5.965 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.01139/0.7726, allocations: 6.419 MB / 0.6751 GB, free: 15.53 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.709e-06/0.7726, allocations: 4 kB / 0.6751 GB, free: 15.53 MB / 0.5573 GB Notification: Performance of FrontEnd: time 3.326e-06/0.7726, allocations: 0 / 0.6751 GB, free: 15.53 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0002604/0.7729, allocations: 0 / 0.6751 GB, free: 15.53 MB / 0.5573 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 0.01153/0.7845, allocations: 2.987 MB / 0.678 GB, free: 12.48 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.519e-05/0.7845, allocations: 8.031 kB / 0.678 GB, free: 12.48 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02467/0.8092, allocations: 2.461 MB / 0.6804 GB, free: 10.01 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007386/0.8167, allocations: 2.135 MB / 0.6825 GB, free: 7.828 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000422/0.8171, allocations: 271.1 kB / 0.6828 GB, free: 7.562 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001964/0.8191, allocations: 344 kB / 0.6831 GB, free: 7.227 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03089/0.85, allocations: 7.073 MB / 0.69 GB, free: 48 kB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001846/0.8503, allocations: 0 / 0.69 GB, free: 48 kB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001744/0.8521, allocations: 152 kB / 0.6901 GB, free: 15.9 MB / 0.573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001181/0.8533, allocations: 334.1 kB / 0.6905 GB, free: 15.57 MB / 0.573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03938/0.8927, allocations: 6.981 MB / 0.6973 GB, free: 8.582 MB / 0.573 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06098/0.9537, allocations: 27.13 MB / 0.7238 GB, free: 11.2 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01548/0.9693, allocations: 4.933 MB / 0.7286 GB, free: 5.969 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004992/0.9698, allocations: 135 kB / 0.7287 GB, free: 5.82 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.105e-05/0.9699, allocations: 64.55 kB / 0.7288 GB, free: 5.75 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=208): time 6.112e-06/0.9699, allocations: 0 / 0.7288 GB, free: 5.75 MB / 0.6042 GB Notification: Performance of matching and sorting (n=277): time 0.1762/1.146, allocations: 28.13 MB / 0.7562 GB, free: 9.496 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001807/1.146, allocations: 239.6 kB / 0.7565 GB, free: 9.211 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003084/1.149, allocations: 1.287 MB / 0.7577 GB, free: 7.918 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0006741/1.15, allocations: 69.7 kB / 0.7578 GB, free: 7.844 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.001583/1.152, allocations: 1.505 MB / 0.7593 GB, free: 6.316 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.001659/1.154, allocations: 0.928 MB / 0.7602 GB, free: 5.375 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004707/1.154, allocations: 64 kB / 0.7602 GB, free: 5.312 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0003201/1.154, allocations: 444.8 kB / 0.7607 GB, free: 4.871 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01106/1.165, allocations: 2.617 MB / 0.7632 GB, free: 2.25 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01224/1.178, allocations: 3.486 MB / 0.7666 GB, free: 14.39 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01653/1.194, allocations: 3.065 MB / 0.7696 GB, free: 11.3 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.574e-05/1.194, allocations: 8 kB / 0.7696 GB, free: 11.29 MB / 0.6511 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.06168/1.256, allocations: 10.13 MB / 0.7795 GB, free: 1.102 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.005586/1.262, allocations: 10.36 MB / 0.7896 GB, free: 5.922 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001165/1.262, allocations: 28 kB / 0.7896 GB, free: 5.895 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03989/1.302, allocations: 5.045 MB / 0.7946 GB, free: 0.8359 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01243/1.314, allocations: 0.9789 MB / 0.7955 GB, free: 15.86 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04663/1.361, allocations: 15.32 MB / 0.8105 GB, free: 380 kB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.5386/1.9, allocations: 0.5375 MB / 0.811 GB, free: 159.3 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001074/1.901, allocations: 155 kB / 0.8112 GB, free: 159.3 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.977e-05/1.901, allocations: 3.812 kB / 0.8112 GB, free: 159.3 MB / 0.6823 GB Warning: The linear system: 1 : line2.i3[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1] 2 : line2.i2[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1] 3 : line2.i1[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ transformer.conv1.terminal_p.i[1] ; transformer.conv2.terminal_p.i[1] ; transformer.conv3.terminal_p.i[1] ] = [ -line2.i3[1] ; -line2.i2[1] ; -line2.i1[1] ] might be structurally or numerically singular for variable transformer.conv3.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.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2] 2 : line2.i1[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2] 3 : line2.i2[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ transformer.conv3.terminal_p.i[2] ; transformer.conv2.terminal_p.i[2] ; transformer.conv1.terminal_p.i[2] ] = [ -line2.i3[2] ; -line2.i1[2] ; -line2.i2[2] ] might be structurally or numerically singular for variable transformer.conv1.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.v3_n[2] - line2.v1_n[2] 2 : transformer.conv3.V2[2] = line2.v2_n[2] - line2.v3_n[2] 3 : transformer.conv2.V2[2] = line2.v1_n[2] - line2.v2_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.v2_n[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv3.V2[2] ; -transformer.conv2.V2[2] ] might be structurally or numerically singular for variable line2.v3_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.v3_n[1] - line2.v1_n[1] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : transformer.conv3.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.v3_n[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv2.V2[1] ; -transformer.conv3.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 0.04584/1.947, allocations: 9.231 MB / 0.8202 GB, free: 157.3 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001761/1.947, allocations: 25.75 kB / 0.8202 GB, free: 157.3 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01764/1.965, allocations: 3.04 MB / 0.8232 GB, free: 156.9 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009381/1.974, allocations: 1.128 MB / 0.8243 GB, free: 156.8 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03657/2.011, allocations: 24.47 MB / 0.8482 GB, free: 139.3 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006737/2.017, allocations: 0.5095 MB / 0.8487 GB, free: 139.3 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006697/2.018, allocations: 152.6 kB / 0.8488 GB, free: 139.3 MB / 0.6823 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 {9 51} Notification: Performance of prepare postOptimizeDAE: time 0.003801/2.022, allocations: 1.5 MB / 0.8503 GB, free: 138.6 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008423/2.023, allocations: 205.8 kB / 0.8505 GB, free: 138.6 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04193/2.065, allocations: 9.402 MB / 0.8597 GB, free: 131.4 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.28e-05/2.065, allocations: 28 kB / 0.8597 GB, free: 131.3 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.074e-05/2.065, allocations: 12 kB / 0.8597 GB, free: 131.3 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.826e-05/2.065, allocations: 19.94 kB / 0.8597 GB, free: 131.3 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05303/2.118, allocations: 15.19 MB / 0.8745 GB, free: 116.1 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.108e-05/2.118, allocations: 8 kB / 0.8746 GB, free: 116 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006276/2.124, allocations: 0.7295 MB / 0.8753 GB, free: 115.3 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0278/2.152, allocations: 4.811 MB / 0.88 GB, free: 110.5 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006101/2.153, allocations: 79.91 kB / 0.88 GB, free: 110.4 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05722/2.21, allocations: 22.84 MB / 0.9023 GB, free: 87.37 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.17e-05/2.21, allocations: 12.03 kB / 0.9024 GB, free: 87.36 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.05993/2.27, allocations: 9.85 MB / 0.912 GB, free: 77.03 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.006097/2.276, allocations: 0.7233 MB / 0.9127 GB, free: 76.29 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001312/2.278, allocations: 55.98 kB / 0.9127 GB, free: 76.23 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.03278/2.31, allocations: 491.2 kB / 0.9132 GB, free: 75.75 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005246/2.316, allocations: 242.6 kB / 0.9134 GB, free: 75.51 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0008767/2.317, allocations: 91.95 kB / 0.9135 GB, free: 75.42 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.00309/2.32, allocations: 0.9659 MB / 0.9145 GB, free: 74.45 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.322e-06/2.32, allocations: 0 / 0.9145 GB, free: 74.45 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.01254/2.332, allocations: 1.711 MB / 0.9161 GB, free: 72.74 MB / 0.6823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (162): * Single equations (assignments): 160 * 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 {(9,92.6%) 51} * Non-linear torn systems: 1 {9 51} Notification: Performance of Backend phase and start with SimCode phase: time 0.001075/2.334, allocations: 195 kB / 0.9163 GB, free: 72.55 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.05234/2.386, allocations: 11.44 MB / 0.9275 GB, free: 61.02 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 1.269e-05/2.386, allocations: 0 / 0.9275 GB, free: 61.02 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.01629/2.402, allocations: 4.156 MB / 0.9315 GB, free: 56.84 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002361/2.405, allocations: 240.8 kB / 0.9318 GB, free: 56.61 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03841/2.443, allocations: 10.77 MB / 0.9423 GB, free: 45.71 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00445/2.448, allocations: 2.875 MB / 0.9451 GB, free: 42.8 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.009451/2.457, allocations: 1.805 MB / 0.9469 GB, free: 40.99 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001117/2.458, allocations: 163.3 kB / 0.947 GB, free: 40.83 MB / 0.6823 GB Notification: Performance of SimCode: time 1.623e-06/2.458, allocations: 0 / 0.947 GB, free: 40.83 MB / 0.6823 GB Notification: Performance of Templates: time 0.1562/2.614, allocations: 66.67 MB / 1.012 GB, free: 6.309 MB / 0.7136 GB