Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadModel(Buildings): time 4.295/4.295, allocations: 431.3 MB / 445.8 MB, free: 5.445 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.056e-05/3.058e-05, allocations: 0 / 0.5354 GB, free: 14.83 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6502/0.6502, allocations: 98.7 MB / 0.6318 GB, free: 11.99 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02803/0.6783, allocations: 15.87 MB / 0.6473 GB, free: 12.06 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.01424/0.6926, allocations: 5.904 MB / 0.6531 GB, free: 6.141 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001693/0.6944, allocations: 63.88 kB / 0.6532 GB, free: 6.078 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.001427/0.6958, allocations: 417.5 kB / 0.6536 GB, free: 5.668 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.003428/0.6993, allocations: 0.7552 MB / 0.6543 GB, free: 4.91 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.003223/0.7025, allocations: 0.7641 MB / 0.655 GB, free: 4.145 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.004427/0.707, allocations: 1.809 MB / 0.6568 GB, free: 2.332 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01504/0.7221, allocations: 6.917 MB / 0.6636 GB, free: 11.36 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002502/0.7246, allocations: 1.029 MB / 0.6646 GB, free: 10.33 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003833/0.7285, allocations: 1.508 MB / 0.666 GB, free: 8.816 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00271/0.7313, allocations: 0.5696 MB / 0.6666 GB, free: 8.246 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.001226/0.7325, allocations: 168 kB / 0.6668 GB, free: 8.082 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.003131/0.7357, allocations: 1.622 MB / 0.6683 GB, free: 6.457 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001753/0.7375, allocations: 288 kB / 0.6686 GB, free: 6.176 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.01022/0.7478, allocations: 6.388 MB / 0.6748 GB, free: 15.77 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.829e-06/0.7478, allocations: 0 / 0.6748 GB, free: 15.77 MB / 0.5573 GB Notification: Performance of FrontEnd: time 3.827e-06/0.7479, allocations: 0 / 0.6748 GB, free: 15.77 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0002284/0.7481, allocations: 0 / 0.6748 GB, free: 15.77 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01082/0.7589, allocations: 2.95 MB / 0.6777 GB, free: 12.77 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.57e-05/0.759, allocations: 8.031 kB / 0.6777 GB, free: 12.76 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02358/0.7826, allocations: 2.449 MB / 0.6801 GB, free: 10.3 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007213/0.7898, allocations: 2.123 MB / 0.6822 GB, free: 8.129 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003962/0.7903, allocations: 271 kB / 0.6825 GB, free: 7.863 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001764/0.7921, allocations: 344 kB / 0.6828 GB, free: 7.527 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02543/0.8175, allocations: 7.036 MB / 0.6897 GB, free: 392 kB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001494/0.8177, allocations: 7.938 kB / 0.6897 GB, free: 384 kB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001253/0.819, allocations: 144 kB / 0.6898 GB, free: 240 kB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008984/0.8199, allocations: 334 kB / 0.6901 GB, free: 15.91 MB / 0.573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02858/0.8485, allocations: 6.957 MB / 0.6969 GB, free: 8.941 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 0.05842/0.907, allocations: 27.07 MB / 0.7234 GB, free: 11.62 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01565/0.9227, allocations: 4.922 MB / 0.7282 GB, free: 6.41 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005442/0.9233, allocations: 131 kB / 0.7283 GB, free: 6.266 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.287e-05/0.9234, allocations: 68.5 kB / 0.7283 GB, free: 6.191 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=208): time 5.47e-06/0.9234, allocations: 0 / 0.7283 GB, free: 6.191 MB / 0.6042 GB Notification: Performance of matching and sorting (n=277): time 0.18/1.103, allocations: 28.16 MB / 0.7558 GB, free: 9.906 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001907/1.104, allocations: 239.6 kB / 0.7561 GB, free: 9.621 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00314/1.107, allocations: 1.253 MB / 0.7573 GB, free: 8.359 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0007138/1.108, allocations: 69.7 kB / 0.7574 GB, free: 8.285 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.001524/1.109, allocations: 1.485 MB / 0.7588 GB, free: 6.777 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.001736/1.111, allocations: 0.9358 MB / 0.7597 GB, free: 5.828 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005673/1.112, allocations: 68 kB / 0.7598 GB, free: 5.762 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.000348/1.112, allocations: 444.8 kB / 0.7602 GB, free: 5.32 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01132/1.123, allocations: 2.61 MB / 0.7628 GB, free: 2.707 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01246/1.136, allocations: 3.498 MB / 0.7662 GB, free: 14.83 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01251/1.148, allocations: 3.053 MB / 0.7692 GB, free: 11.76 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.031e-05/1.148, allocations: 11.94 kB / 0.7692 GB, free: 11.75 MB / 0.6511 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04746/1.196, allocations: 10.13 MB / 0.7791 GB, free: 1.555 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.004365/1.2, allocations: 10.36 MB / 0.7892 GB, free: 6.375 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.062e-05/1.2, allocations: 28 kB / 0.7892 GB, free: 6.348 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03043/1.231, allocations: 5.045 MB / 0.7941 GB, free: 1.289 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008101/1.239, allocations: 0.9711 MB / 0.7951 GB, free: 324 kB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04205/1.281, allocations: 15.34 MB / 0.8101 GB, free: 0.8047 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007209/1.288, allocations: 0.5301 MB / 0.8106 GB, free: 280 kB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006697/1.289, allocations: 151.9 kB / 0.8107 GB, free: 128 kB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.482e-05/1.289, allocations: 4 kB / 0.8107 GB, free: 124 kB / 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 0.5961/1.885, allocations: 9.229 MB / 0.8197 GB, free: 157.7 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001615/1.885, allocations: 26.69 kB / 0.8198 GB, free: 157.7 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01791/1.903, allocations: 3.029 MB / 0.8227 GB, free: 157.2 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009594/1.913, allocations: 1.122 MB / 0.8238 GB, free: 157.2 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03602/1.949, allocations: 24.44 MB / 0.8477 GB, free: 139.8 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006468/1.956, allocations: 0.512 MB / 0.8482 GB, free: 139.7 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004683/1.956, allocations: 156.1 kB / 0.8483 GB, free: 139.7 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 0.003644/1.96, allocations: 1.489 MB / 0.8498 GB, free: 139 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008274/1.961, allocations: 196.1 kB / 0.85 GB, free: 139 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04062/2.001, allocations: 9.428 MB / 0.8592 GB, free: 131.9 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.455e-05/2.001, allocations: 28 kB / 0.8592 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.236e-05/2.001, allocations: 12 kB / 0.8592 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.564e-05/2.001, allocations: 11.95 kB / 0.8592 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05215/2.054, allocations: 15.23 MB / 0.8741 GB, free: 116.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.642e-05/2.054, allocations: 8 kB / 0.8741 GB, free: 116.5 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006185/2.06, allocations: 0.7295 MB / 0.8748 GB, free: 115.8 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0273/2.087, allocations: 4.807 MB / 0.8795 GB, free: 111 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000642/2.088, allocations: 75.95 kB / 0.8796 GB, free: 110.9 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0555/2.143, allocations: 22.83 MB / 0.9019 GB, free: 87.85 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.899e-06/2.144, allocations: 12.03 kB / 0.9019 GB, free: 87.84 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03895/2.183, allocations: 9.829 MB / 0.9115 GB, free: 77.65 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002341/2.185, allocations: 0.716 MB / 0.9122 GB, free: 76.91 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009407/2.186, allocations: 61.38 kB / 0.9123 GB, free: 76.85 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006512/2.192, allocations: 491.2 kB / 0.9127 GB, free: 76.37 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001152/2.194, allocations: 234.6 kB / 0.9129 GB, free: 76.14 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004274/2.194, allocations: 99.91 kB / 0.913 GB, free: 76.04 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001969/2.196, allocations: 0.941 MB / 0.914 GB, free: 75.1 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.102e-06/2.196, allocations: 0 / 0.914 GB, free: 75.1 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.008149/2.204, allocations: 1.706 MB / 0.9156 GB, free: 73.39 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 0.0007233/2.205, allocations: 180.6 kB / 0.9158 GB, free: 73.21 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.04254/2.248, allocations: 11.43 MB / 0.927 GB, free: 61.68 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 1.736e-05/2.248, allocations: 4 kB / 0.927 GB, free: 61.68 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.01607/2.264, allocations: 4.154 MB / 0.931 GB, free: 57.5 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002026/2.266, allocations: 219 kB / 0.9312 GB, free: 57.29 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03221/2.298, allocations: 10.21 MB / 0.9412 GB, free: 46.96 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004067/2.302, allocations: 2.858 MB / 0.944 GB, free: 44.07 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.009327/2.312, allocations: 1.805 MB / 0.9458 GB, free: 42.26 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001184/2.313, allocations: 155.3 kB / 0.9459 GB, free: 42.11 MB / 0.6823 GB Notification: Performance of SimCode: time 1.212e-06/2.313, allocations: 0 / 0.9459 GB, free: 42.11 MB / 0.6823 GB Notification: Performance of Templates: time 0.152/2.465, allocations: 66.08 MB / 1.01 GB, free: 8.164 MB / 0.7136 GB