Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadModel(Buildings): time 4.38/4.38, allocations: 431.3 MB / 445.8 MB, free: 5.434 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 4.313e-05/4.315e-05, allocations: 3.984 kB / 0.5354 GB, free: 14.82 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6161/0.6161, 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.UnbalancedStepDown.YD): time 0.03165/0.6478, allocations: 15.94 MB / 0.6474 GB, free: 11.96 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.01442/0.6623, allocations: 5.927 MB / 0.6532 GB, free: 6.023 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001659/0.664, allocations: 63.88 kB / 0.6533 GB, free: 5.961 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.001286/0.6653, allocations: 421.5 kB / 0.6537 GB, free: 5.547 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.003276/0.6686, allocations: 0.7513 MB / 0.6544 GB, free: 4.793 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.003147/0.6718, allocations: 0.7796 MB / 0.6551 GB, free: 4.012 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.004405/0.6762, allocations: 1.821 MB / 0.6569 GB, free: 2.188 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01949/0.6957, allocations: 6.918 MB / 0.6637 GB, free: 11.22 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002494/0.6983, allocations: 1.044 MB / 0.6647 GB, free: 10.17 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003246/0.7016, allocations: 1.504 MB / 0.6662 GB, free: 8.664 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002123/0.7037, allocations: 0.5735 MB / 0.6667 GB, free: 8.09 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.0007435/0.7045, allocations: 168 kB / 0.6669 GB, free: 7.926 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.002358/0.7069, allocations: 1.629 MB / 0.6685 GB, free: 6.293 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001216/0.7081, allocations: 292 kB / 0.6688 GB, free: 6.008 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.009548/0.7177, allocations: 6.419 MB / 0.675 GB, free: 15.57 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.148e-06/0.7177, allocations: 0 / 0.675 GB, free: 15.57 MB / 0.5573 GB Notification: Performance of FrontEnd: time 2.445e-06/0.7177, allocations: 0 / 0.675 GB, free: 15.57 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0001726/0.7179, allocations: 0 / 0.675 GB, free: 15.57 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 0.01059/0.7285, allocations: 2.992 MB / 0.678 GB, free: 12.53 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.08e-05/0.7286, allocations: 11.98 kB / 0.678 GB, free: 12.52 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02316/0.7517, allocations: 2.457 MB / 0.6804 GB, free: 10.05 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006979/0.7588, allocations: 2.131 MB / 0.6824 GB, free: 7.875 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003263/0.7591, allocations: 267.1 kB / 0.6827 GB, free: 7.613 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001606/0.7608, allocations: 352 kB / 0.683 GB, free: 7.27 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02477/0.7855, allocations: 7.069 MB / 0.6899 GB, free: 96 kB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001249/0.7857, allocations: 4 kB / 0.6899 GB, free: 92 kB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009765/0.7867, allocations: 148 kB / 0.6901 GB, free: 15.94 MB / 0.573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000832/0.7876, allocations: 334 kB / 0.6904 GB, free: 15.62 MB / 0.573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02888/0.8165, allocations: 6.977 MB / 0.6972 GB, free: 8.633 MB / 0.573 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05385/0.8704, allocations: 27.19 MB / 0.7238 GB, free: 11.18 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01478/0.8852, allocations: 4.921 MB / 0.7286 GB, free: 5.957 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000508/0.8857, allocations: 143 kB / 0.7287 GB, free: 5.801 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.715e-05/0.8858, allocations: 60.5 kB / 0.7288 GB, free: 5.734 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=208): time 5.621e-06/0.8858, allocations: 0 / 0.7288 GB, free: 5.734 MB / 0.6042 GB Notification: Performance of matching and sorting (n=277): time 0.2102/1.096, allocations: 28.21 MB / 0.7563 GB, free: 9.395 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002317/1.096, allocations: 247.6 kB / 0.7566 GB, free: 9.102 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004884/1.101, allocations: 1.283 MB / 0.7578 GB, free: 7.812 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.000974/1.102, allocations: 69.7 kB / 0.7579 GB, free: 7.738 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.002263/1.105, allocations: 1.501 MB / 0.7593 GB, free: 6.215 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.002482/1.107, allocations: 0.9357 MB / 0.7603 GB, free: 5.266 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001109/1.108, allocations: 64 kB / 0.7603 GB, free: 5.203 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0006461/1.109, allocations: 444.8 kB / 0.7607 GB, free: 4.762 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01743/1.127, allocations: 2.61 MB / 0.7633 GB, free: 2.148 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01858/1.145, allocations: 3.494 MB / 0.7667 GB, free: 14.27 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01846/1.164, allocations: 3.065 MB / 0.7697 GB, free: 11.19 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.093e-05/1.164, allocations: 12 kB / 0.7697 GB, free: 11.18 MB / 0.6511 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.05424/1.218, allocations: 10.13 MB / 0.7796 GB, free: 0.9883 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.004725/1.223, allocations: 10.36 MB / 0.7897 GB, free: 5.812 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001015/1.223, allocations: 32 kB / 0.7897 GB, free: 5.781 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03692/1.26, allocations: 5.045 MB / 0.7947 GB, free: 0.7266 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01271/1.273, allocations: 0.975 MB / 0.7956 GB, free: 15.75 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06325/1.336, allocations: 15.32 MB / 0.8106 GB, free: 268 kB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.7164/2.053, allocations: 0.5363 MB / 0.8111 GB, free: 159.3 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001361/2.054, allocations: 156.3 kB / 0.8113 GB, free: 159.3 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 2.264e-05/2.054, allocations: 3.531 kB / 0.8113 GB, free: 159.3 MB / 0.6823 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 0.05996/2.114, allocations: 9.223 MB / 0.8203 GB, free: 157.3 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002257/2.114, allocations: 31.66 kB / 0.8203 GB, free: 157.3 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02546/2.14, allocations: 3.034 MB / 0.8233 GB, free: 156.8 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009077/2.149, allocations: 1.116 MB / 0.8243 GB, free: 156.8 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04094/2.19, allocations: 24.45 MB / 0.8482 GB, free: 139.4 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006507/2.196, allocations: 0.5166 MB / 0.8487 GB, free: 139.3 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005608/2.197, allocations: 148.5 kB / 0.8489 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 0.003489/2.201, allocations: 1.496 MB / 0.8503 GB, free: 138.6 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000795/2.201, allocations: 205.7 kB / 0.8505 GB, free: 138.6 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03916/2.241, allocations: 9.416 MB / 0.8597 GB, free: 131.2 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.37e-05/2.241, allocations: 32 kB / 0.8598 GB, free: 131.2 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.223e-05/2.241, allocations: 15.75 kB / 0.8598 GB, free: 131.2 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.614e-05/2.241, allocations: 19.91 kB / 0.8598 GB, free: 131.2 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0514/2.292, allocations: 15.22 MB / 0.8746 GB, free: 115.9 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.95e-05/2.292, allocations: 12.19 kB / 0.8747 GB, free: 115.9 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006073/2.298, allocations: 0.7293 MB / 0.8754 GB, free: 115.1 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02738/2.326, allocations: 4.811 MB / 0.8801 GB, free: 110.3 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006595/2.326, allocations: 83.91 kB / 0.8802 GB, free: 110.2 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05783/2.384, allocations: 22.83 MB / 0.9024 GB, free: 87.2 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.071e-05/2.384, allocations: 16.03 kB / 0.9025 GB, free: 87.18 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03887/2.423, allocations: 9.842 MB / 0.9121 GB, free: 76.86 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002331/2.426, allocations: 0.7209 MB / 0.9128 GB, free: 76.12 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009829/2.427, allocations: 55.98 kB / 0.9128 GB, free: 76.07 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00692/2.434, allocations: 495.2 kB / 0.9133 GB, free: 75.58 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001223/2.435, allocations: 238.6 kB / 0.9135 GB, free: 75.35 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0006597/2.436, allocations: 95.94 kB / 0.9136 GB, free: 75.25 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.002018/2.438, allocations: 0.962 MB / 0.9146 GB, free: 74.29 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.012e-06/2.438, allocations: 4 kB / 0.9146 GB, free: 74.29 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.008814/2.447, allocations: 1.711 MB / 0.9162 GB, free: 72.57 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 {(9,91.4%) 51} * Non-linear torn systems: 1 {9 51} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008908/2.447, allocations: 191.7 kB / 0.9164 GB, free: 72.38 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.04298/2.49, allocations: 11.44 MB / 0.9276 GB, free: 60.86 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 1.321e-05/2.491, allocations: 4 kB / 0.9276 GB, free: 60.85 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.01602/2.507, allocations: 4.147 MB / 0.9316 GB, free: 56.68 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002544/2.509, allocations: 250.6 kB / 0.9319 GB, free: 56.44 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03754/2.547, allocations: 10.77 MB / 0.9424 GB, free: 45.55 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004538/2.551, allocations: 2.875 MB / 0.9452 GB, free: 42.64 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.009862/2.561, allocations: 1.809 MB / 0.947 GB, free: 40.82 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001125/2.562, allocations: 159.3 kB / 0.9471 GB, free: 40.67 MB / 0.6823 GB Notification: Performance of SimCode: time 1.102e-06/2.562, allocations: 0 / 0.9471 GB, free: 40.67 MB / 0.6823 GB Notification: Performance of Templates: time 0.1562/2.719, allocations: 66.67 MB / 1.012 GB, free: 6.145 MB / 0.7136 GB