Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadModel(Buildings): time 4.73/4.73, allocations: 458.9 MB / 473.4 MB, free: 11.8 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.393e-05/3.392e-05, allocations: 4 kB / 0.5697 GB, free: 9.762 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.249/0.2491, allocations: 106.2 MB / 0.6735 GB, free: 2.578 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02911/0.2782, allocations: 15.95 MB / 0.689 GB, free: 2.566 MB / 0.5573 GB Notification: Performance of NFInst.instExpressions: time 0.01454/0.2928, allocations: 5.931 MB / 0.6948 GB, free: 12.62 MB / 0.573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001755/0.2946, allocations: 63.88 kB / 0.6949 GB, free: 12.56 MB / 0.573 GB Notification: Performance of NFTyping.typeComponents: time 0.001567/0.2962, allocations: 425.5 kB / 0.6953 GB, free: 12.14 MB / 0.573 GB Notification: Performance of NFTyping.typeBindings: time 0.003528/0.2998, allocations: 0.7591 MB / 0.696 GB, free: 11.38 MB / 0.573 GB Notification: Performance of NFTyping.typeClassSections: time 0.003307/0.3031, allocations: 0.7719 MB / 0.6968 GB, free: 10.61 MB / 0.573 GB Notification: Performance of NFFlatten.flatten: time 0.00461/0.3078, allocations: 1.832 MB / 0.6986 GB, free: 8.77 MB / 0.573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01536/0.3232, allocations: 6.926 MB / 0.7053 GB, free: 1.793 MB / 0.573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002496/0.3257, allocations: 1.04 MB / 0.7064 GB, free: 0.75 MB / 0.573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003693/0.3295, allocations: 1.5 MB / 0.7078 GB, free: 15.25 MB / 0.5886 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00256/0.3321, allocations: 0.5852 MB / 0.7084 GB, free: 14.66 MB / 0.5886 GB Notification: Performance of NFPackage.collectConstants: time 0.001124/0.3333, allocations: 168 kB / 0.7086 GB, free: 14.5 MB / 0.5886 GB Notification: Performance of NFScalarize.scalarize: time 0.002708/0.336, allocations: 1.625 MB / 0.7101 GB, free: 12.87 MB / 0.5886 GB Notification: Performance of NFVerifyModel.verify: time 0.001289/0.3373, allocations: 292 kB / 0.7104 GB, free: 12.58 MB / 0.5886 GB Notification: Performance of NFConvertDAE.convert: time 0.009961/0.3473, allocations: 6.421 MB / 0.7167 GB, free: 6.145 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 4.518e-06/0.3473, allocations: 0 / 0.7167 GB, free: 6.145 MB / 0.5886 GB Notification: Performance of FrontEnd: time 2.505e-06/0.3473, allocations: 0 / 0.7167 GB, free: 6.145 MB / 0.5886 GB Notification: Performance of Transformations before backend: time 0.0002302/0.3476, allocations: 0 / 0.7167 GB, free: 6.145 MB / 0.5886 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 0.01046/0.3581, allocations: 2.982 MB / 0.7196 GB, free: 3.105 MB / 0.5886 GB Notification: Performance of prepare preOptimizeDAE: time 4.858e-05/0.3581, allocations: 8.031 kB / 0.7196 GB, free: 3.098 MB / 0.5886 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02328/0.3814, allocations: 2.461 MB / 0.722 GB, free: 0.6289 MB / 0.5886 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007367/0.3888, allocations: 2.131 MB / 0.7241 GB, free: 14.45 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004256/0.3893, allocations: 271.1 kB / 0.7244 GB, free: 14.18 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001844/0.3911, allocations: 348 kB / 0.7247 GB, free: 13.84 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0257/0.4169, allocations: 7.073 MB / 0.7316 GB, free: 6.668 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001288/0.4171, allocations: 11.94 kB / 0.7316 GB, free: 6.656 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009501/0.418, allocations: 148 kB / 0.7318 GB, free: 6.512 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007952/0.4188, allocations: 338.1 kB / 0.7321 GB, free: 6.18 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0286/0.4475, allocations: 6.973 MB / 0.7389 GB, free: 15.2 MB / 0.6198 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 0.05658/0.5041, allocations: 27.19 MB / 0.7654 GB, free: 1.754 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0152/0.5193, allocations: 4.922 MB / 0.7702 GB, free: 12.52 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005349/0.5199, allocations: 135 kB / 0.7704 GB, free: 12.38 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.445e-05/0.52, allocations: 64.5 kB / 0.7704 GB, free: 12.3 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=208): time 5.28e-06/0.52, allocations: 3.938 kB / 0.7704 GB, free: 12.3 MB / 0.6511 GB Notification: Performance of matching and sorting (n=277): time 0.1883/0.7084, allocations: 28.23 MB / 0.798 GB, free: 15.94 MB / 0.6823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000154/0.7086, allocations: 235.6 kB / 0.7982 GB, free: 15.66 MB / 0.6823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002861/0.7115, allocations: 1.287 MB / 0.7995 GB, free: 14.36 MB / 0.6823 GB Notification: Performance of collectPreVariables (initialization): time 0.0006437/0.7121, allocations: 69.7 kB / 0.7995 GB, free: 14.29 MB / 0.6823 GB Notification: Performance of collectInitialEqns (initialization): time 0.001411/0.7136, allocations: 1.497 MB / 0.801 GB, free: 12.77 MB / 0.6823 GB Notification: Performance of collectInitialBindings (initialization): time 0.001617/0.7152, allocations: 0.9396 MB / 0.8019 GB, free: 11.82 MB / 0.6823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004893/0.7157, allocations: 64 kB / 0.802 GB, free: 11.76 MB / 0.6823 GB Notification: Performance of setup shared object (initialization): time 0.0003206/0.716, allocations: 444.8 kB / 0.8024 GB, free: 11.32 MB / 0.6823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01076/0.7268, allocations: 2.61 MB / 0.805 GB, free: 8.703 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01194/0.7388, allocations: 3.49 MB / 0.8084 GB, free: 4.836 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01166/0.7505, allocations: 3.068 MB / 0.8114 GB, free: 1.746 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.276e-05/0.7506, allocations: 8 kB / 0.8114 GB, free: 1.738 MB / 0.6823 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.8057/1.556, allocations: 10.12 MB / 0.8213 GB, free: 124 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.002837/1.559, allocations: 10.36 MB / 0.8314 GB, free: 112.9 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001282/1.559, allocations: 27.12 kB / 0.8314 GB, free: 112.9 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03778/1.597, allocations: 5.044 MB / 0.8363 GB, free: 112.3 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007976/1.605, allocations: 0.9748 MB / 0.8373 GB, free: 112.2 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0509/1.656, allocations: 15.33 MB / 0.8522 GB, free: 105.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009983/1.666, allocations: 0.5446 MB / 0.8528 GB, free: 105 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001253/1.668, allocations: 145.9 kB / 0.8529 GB, free: 104.9 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.486e-05/1.668, allocations: 3.906 kB / 0.8529 GB, free: 104.9 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 0.03976/1.707, allocations: 9.231 MB / 0.8619 GB, free: 99.59 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001358/1.708, allocations: 29.36 kB / 0.862 GB, free: 99.59 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01682/1.724, allocations: 3.037 MB / 0.8649 GB, free: 97.84 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008986/1.733, allocations: 1.119 MB / 0.866 GB, free: 96.72 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03636/1.77, allocations: 24.45 MB / 0.8899 GB, free: 71.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006771/1.777, allocations: 0.5177 MB / 0.8904 GB, free: 70.99 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008215/1.778, allocations: 148 kB / 0.8905 GB, free: 70.84 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 0.003954/1.782, allocations: 1.492 MB / 0.892 GB, free: 69.35 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000846/1.782, allocations: 205.6 kB / 0.8922 GB, free: 69.15 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0409/1.823, allocations: 9.418 MB / 0.9014 GB, free: 59.67 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.164e-05/1.823, allocations: 28 kB / 0.9014 GB, free: 59.64 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.488e-05/1.824, allocations: 16 kB / 0.9014 GB, free: 59.62 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.871e-05/1.824, allocations: 11.95 kB / 0.9014 GB, free: 59.61 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05366/1.877, allocations: 15.23 MB / 0.9163 GB, free: 44.27 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.794e-05/1.877, allocations: 8 kB / 0.9163 GB, free: 44.27 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006181/1.884, allocations: 0.7224 MB / 0.917 GB, free: 43.54 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02828/1.912, allocations: 4.815 MB / 0.9217 GB, free: 38.71 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006507/1.913, allocations: 71.95 kB / 0.9218 GB, free: 38.64 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05709/1.97, allocations: 22.84 MB / 0.9441 GB, free: 15.54 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.091e-05/1.97, allocations: 12.03 kB / 0.9441 GB, free: 15.52 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.05097/2.021, allocations: 9.857 MB / 0.9537 GB, free: 5.188 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003242/2.024, allocations: 0.717 MB / 0.9544 GB, free: 4.449 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001249/2.025, allocations: 63.94 kB / 0.9545 GB, free: 4.387 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.008716/2.034, allocations: 499.2 kB / 0.955 GB, free: 3.898 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001453/2.036, allocations: 230.6 kB / 0.9552 GB, free: 3.672 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005983/2.036, allocations: 95.95 kB / 0.9553 GB, free: 3.578 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.002674/2.039, allocations: 0.9698 MB / 0.9562 GB, free: 2.605 MB / 0.6823 GB Notification: Performance of sort global known variables: time 9.02e-07/2.039, allocations: 0 / 0.9562 GB, free: 2.605 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.009538/2.048, allocations: 1.707 MB / 0.9579 GB, free: 0.8984 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 0.0009237/2.049, allocations: 179.7 kB / 0.9581 GB, free: 0.7188 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.04605/2.095, allocations: 11.44 MB / 0.9692 GB, free: 5.195 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.752e-05/2.096, allocations: 0 / 0.9692 GB, free: 5.195 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.01779/2.113, allocations: 4.156 MB / 0.9733 GB, free: 1 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002489/2.116, allocations: 235 kB / 0.9735 GB, free: 0.7773 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04198/2.158, allocations: 10.78 MB / 0.9841 GB, free: 5.863 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005892/2.164, allocations: 2.879 MB / 0.9869 GB, free: 2.949 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.0105/2.174, allocations: 1.805 MB / 0.9886 GB, free: 1.141 MB / 0.7136 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001307/2.176, allocations: 155.3 kB / 0.9888 GB, free: 0.9883 MB / 0.7136 GB Notification: Performance of SimCode: time 4.298e-06/2.176, allocations: 0 / 0.9888 GB, free: 0.9883 MB / 0.7136 GB Notification: Performance of Templates: time 0.1752/2.351, allocations: 66.67 MB / 1.054 GB, free: 14.46 MB / 0.7917 GB