Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD") Notification: Performance of loadModel(Buildings): time 4.776/4.776, allocations: 458.9 MB / 473.4 MB, free: 11.9 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.461e-05/3.448e-05, allocations: 7.891 kB / 0.5697 GB, free: 9.809 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2396/0.2397, allocations: 106.2 MB / 0.6735 GB, free: 2.605 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD): time 0.02614/0.2659, allocations: 14.17 MB / 0.6873 GB, free: 4.383 MB / 0.5573 GB Notification: Performance of NFInst.instExpressions: time 0.01401/0.2799, allocations: 5.596 MB / 0.6928 GB, free: 14.77 MB / 0.573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001784/0.2818, allocations: 51.88 kB / 0.6928 GB, free: 14.72 MB / 0.573 GB Notification: Performance of NFTyping.typeComponents: time 0.001413/0.2832, allocations: 361.8 kB / 0.6932 GB, free: 14.37 MB / 0.573 GB Notification: Performance of NFTyping.typeBindings: time 0.003659/0.2869, allocations: 0.7358 MB / 0.6939 GB, free: 13.63 MB / 0.573 GB Notification: Performance of NFTyping.typeClassSections: time 0.003352/0.2903, allocations: 0.7485 MB / 0.6946 GB, free: 12.88 MB / 0.573 GB Notification: Performance of NFFlatten.flatten: time 0.004594/0.2949, allocations: 1.708 MB / 0.6963 GB, free: 11.17 MB / 0.573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0125/0.3075, allocations: 5.512 MB / 0.7017 GB, free: 5.605 MB / 0.573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002367/0.3099, allocations: 0.9351 MB / 0.7026 GB, free: 4.668 MB / 0.573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003611/0.3136, allocations: 1.407 MB / 0.704 GB, free: 3.258 MB / 0.573 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002618/0.3163, allocations: 0.5696 MB / 0.7045 GB, free: 2.688 MB / 0.573 GB Notification: Performance of NFPackage.collectConstants: time 0.00102/0.3173, allocations: 156 kB / 0.7047 GB, free: 2.535 MB / 0.573 GB Notification: Performance of NFScalarize.scalarize: time 0.002723/0.3201, allocations: 1.481 MB / 0.7061 GB, free: 1.051 MB / 0.573 GB Notification: Performance of NFVerifyModel.verify: time 0.001525/0.3216, allocations: 260 kB / 0.7064 GB, free: 0.7969 MB / 0.573 GB Notification: Performance of NFConvertDAE.convert: time 0.009242/0.3309, allocations: 5.498 MB / 0.7117 GB, free: 11.29 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 4.028e-06/0.331, allocations: 4 kB / 0.7117 GB, free: 11.28 MB / 0.5886 GB Notification: Performance of FrontEnd: time 2.745e-06/0.331, allocations: 0 / 0.7117 GB, free: 11.28 MB / 0.5886 GB Notification: Performance of Transformations before backend: time 0.0001966/0.3312, allocations: 0 / 0.7117 GB, free: 11.28 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: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.009782/0.341, allocations: 2.69 MB / 0.7144 GB, free: 8.531 MB / 0.5886 GB Notification: Performance of prepare preOptimizeDAE: time 5.515e-05/0.341, allocations: 12.03 kB / 0.7144 GB, free: 8.52 MB / 0.5886 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02343/0.3645, allocations: 2.414 MB / 0.7167 GB, free: 6.098 MB / 0.5886 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006662/0.3712, allocations: 1.939 MB / 0.7186 GB, free: 4.109 MB / 0.5886 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003427/0.3716, allocations: 226.1 kB / 0.7188 GB, free: 3.887 MB / 0.5886 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001615/0.3732, allocations: 304 kB / 0.7191 GB, free: 3.59 MB / 0.5886 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02368/0.3969, allocations: 6.347 MB / 0.7253 GB, free: 13.13 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001111/0.3971, allocations: 8 kB / 0.7253 GB, free: 13.12 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008599/0.3979, allocations: 128 kB / 0.7254 GB, free: 13 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007977/0.3988, allocations: 321.2 kB / 0.7258 GB, free: 12.68 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0272/0.426, allocations: 6.55 MB / 0.7322 GB, free: 6.113 MB / 0.6042 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0518/0.4778, allocations: 25.1 MB / 0.7567 GB, free: 10.88 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01582/0.4937, allocations: 5.421 MB / 0.762 GB, free: 5.098 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005678/0.4943, allocations: 135 kB / 0.7621 GB, free: 4.949 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.446e-05/0.4944, allocations: 72.45 kB / 0.7622 GB, free: 4.871 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=230): time 4.989e-06/0.4944, allocations: 0 / 0.7622 GB, free: 4.871 MB / 0.6355 GB Notification: Performance of matching and sorting (n=311): time 0.2042/0.6985, allocations: 31.04 MB / 0.7925 GB, free: 5.652 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002271/0.6988, allocations: 247.8 kB / 0.7927 GB, free: 5.359 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003418/0.7023, allocations: 1.099 MB / 0.7938 GB, free: 4.246 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0008668/0.7031, allocations: 69.7 kB / 0.7938 GB, free: 4.172 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.001569/0.7047, allocations: 1.242 MB / 0.7951 GB, free: 2.906 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.002225/0.707, allocations: 1.043 MB / 0.7961 GB, free: 1.848 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006067/0.7076, allocations: 64 kB / 0.7961 GB, free: 1.785 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0004291/0.7081, allocations: 440.7 kB / 0.7966 GB, free: 1.348 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01502/0.7231, allocations: 2.731 MB / 0.7992 GB, free: 14.61 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01542/0.7386, allocations: 3.408 MB / 0.8026 GB, free: 10.95 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01246/0.7511, allocations: 3.142 MB / 0.8056 GB, free: 7.785 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.753e-05/0.7511, allocations: 8 kB / 0.8056 GB, free: 7.777 MB / 0.6823 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.6492/1.4, allocations: 10.44 MB / 0.8158 GB, free: 125.3 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.001508/1.402, allocations: 7.065 MB / 0.8227 GB, free: 117.9 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.863e-05/1.402, allocations: 17.5 kB / 0.8227 GB, free: 117.9 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03375/1.436, allocations: 5.26 MB / 0.8279 GB, free: 117.3 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01114/1.447, allocations: 0.932 MB / 0.8288 GB, free: 117.2 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06574/1.513, allocations: 17.39 MB / 0.8458 GB, free: 109.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009438/1.522, allocations: 0.5128 MB / 0.8463 GB, free: 109.1 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00134/1.524, allocations: 139.2 kB / 0.8464 GB, free: 109.1 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.735e-05/1.524, allocations: 4.312 kB / 0.8464 GB, free: 109.1 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.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 3 : transformer.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ line2.v2_n[2] ; line2.v3_n[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv3.V2[2] ; -transformer.conv2.V2[2] ] might be structurally or numerically singular for variable line2.v1_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.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1] 3 : transformer.conv2.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.v2_n[1] ; line2.v3_n[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv3.V2[1] ; -transformer.conv2.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 0.04879/1.572, allocations: 9.466 MB / 0.8556 GB, free: 104.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001229/1.573, allocations: 16.09 kB / 0.8557 GB, free: 104.5 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02462/1.597, allocations: 3.156 MB / 0.8587 GB, free: 103 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01286/1.61, allocations: 1.099 MB / 0.8598 GB, free: 102.6 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05718/1.667, allocations: 26.16 MB / 0.8854 GB, free: 77.8 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009348/1.677, allocations: 0.4988 MB / 0.8859 GB, free: 77.3 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001216/1.678, allocations: 145.6 kB / 0.886 GB, free: 77.16 MB / 0.6823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 81 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (270): * Single equations (assignments): 268 * 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 {(9,85.2%) 63} * Non-linear torn systems: 1 {9 63} Notification: Performance of prepare postOptimizeDAE: time 0.00512/1.683, allocations: 1.314 MB / 0.8873 GB, free: 75.84 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001373/1.685, allocations: 201.7 kB / 0.8875 GB, free: 75.64 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.06464/1.749, allocations: 10.69 MB / 0.8979 GB, free: 64.89 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.782e-05/1.749, allocations: 40 kB / 0.8979 GB, free: 64.85 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.32e-05/1.749, allocations: 12 kB / 0.898 GB, free: 64.84 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.07e-05/1.75, allocations: 19.94 kB / 0.898 GB, free: 64.82 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.07495/1.825, allocations: 15.98 MB / 0.9136 GB, free: 48.66 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.811e-05/1.825, allocations: 4 kB / 0.9136 GB, free: 48.66 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006331/1.831, allocations: 0.7373 MB / 0.9143 GB, free: 47.92 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.08413/1.915, allocations: 5.046 MB / 0.9192 GB, free: 42.86 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008675/1.916, allocations: 83.91 kB / 0.9193 GB, free: 42.78 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06538/1.981, allocations: 26 MB / 0.9447 GB, free: 16.5 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.299e-05/1.982, allocations: 12.03 kB / 0.9447 GB, free: 16.49 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04069/2.022, allocations: 10.41 MB / 0.9549 GB, free: 5.691 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002569/2.025, allocations: 0.7656 MB / 0.9556 GB, free: 4.906 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001158/2.026, allocations: 63.92 kB / 0.9557 GB, free: 4.844 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00661/2.033, allocations: 0.4953 MB / 0.9562 GB, free: 4.348 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001358/2.034, allocations: 262.9 kB / 0.9564 GB, free: 4.086 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005931/2.035, allocations: 104 kB / 0.9565 GB, free: 3.984 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001808/2.037, allocations: 0.8718 MB / 0.9574 GB, free: 3.105 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.002e-06/2.037, allocations: 0 / 0.9574 GB, free: 3.105 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.008505/2.045, allocations: 1.688 MB / 0.959 GB, free: 1.418 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 (166): * Single equations (assignments): 164 * 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 {(9,86.4%) 63} * Non-linear torn systems: 1 {9 63} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009131/2.046, allocations: 190 kB / 0.9592 GB, free: 1.23 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.04841/2.095, allocations: 11.98 MB / 0.9709 GB, free: 5.156 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.546e-05/2.095, allocations: 4.938 kB / 0.9709 GB, free: 5.152 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.01953/2.114, allocations: 4.514 MB / 0.9753 GB, free: 0.6094 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002413/2.117, allocations: 223.2 kB / 0.9755 GB, free: 404 kB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05415/2.171, allocations: 11.65 MB / 0.9869 GB, free: 4.617 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004809/2.176, allocations: 2.705 MB / 0.9895 GB, free: 1.875 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.01018/2.186, allocations: 1.774 MB / 0.9913 GB, free: 100 kB / 0.7136 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001273/2.187, allocations: 147.4 kB / 0.9914 GB, free: 15.95 MB / 0.7292 GB Notification: Performance of SimCode: time 1.172e-06/2.187, allocations: 0 / 0.9914 GB, free: 15.95 MB / 0.7292 GB Notification: Performance of Templates: time 0.1806/2.368, allocations: 71.18 MB / 1.061 GB, free: 8.934 MB / 0.7917 GB