Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD") Notification: Performance of loadModel(Buildings): time 4.598/4.598, allocations: 458.9 MB / 473.5 MB, free: 11.86 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.139e-05/3.114e-05, allocations: 3.875 kB / 0.5697 GB, free: 9.781 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2268/0.2268, allocations: 106.2 MB / 0.6735 GB, free: 2.586 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD): time 0.0253/0.2522, allocations: 14.25 MB / 0.6874 GB, free: 4.277 MB / 0.5573 GB Notification: Performance of NFInst.instExpressions: time 0.01417/0.2664, allocations: 5.607 MB / 0.6929 GB, free: 14.66 MB / 0.573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00178/0.2683, allocations: 55.88 kB / 0.6929 GB, free: 14.6 MB / 0.573 GB Notification: Performance of NFTyping.typeComponents: time 0.001549/0.2699, allocations: 365.8 kB / 0.6933 GB, free: 14.24 MB / 0.573 GB Notification: Performance of NFTyping.typeBindings: time 0.003679/0.2736, allocations: 0.7436 MB / 0.694 GB, free: 13.5 MB / 0.573 GB Notification: Performance of NFTyping.typeClassSections: time 0.00344/0.2771, allocations: 0.7524 MB / 0.6947 GB, free: 12.74 MB / 0.573 GB Notification: Performance of NFFlatten.flatten: time 0.004481/0.2816, allocations: 1.727 MB / 0.6964 GB, free: 11.01 MB / 0.573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01339/0.295, allocations: 5.53 MB / 0.7018 GB, free: 5.43 MB / 0.573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002552/0.2977, allocations: 0.9429 MB / 0.7027 GB, free: 4.484 MB / 0.573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003836/0.3015, allocations: 1.415 MB / 0.7041 GB, free: 3.066 MB / 0.573 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002792/0.3044, allocations: 0.5696 MB / 0.7047 GB, free: 2.496 MB / 0.573 GB Notification: Performance of NFPackage.collectConstants: time 0.001419/0.3059, allocations: 160 kB / 0.7048 GB, free: 2.34 MB / 0.573 GB Notification: Performance of NFScalarize.scalarize: time 0.003117/0.309, allocations: 1.489 MB / 0.7063 GB, free: 0.8477 MB / 0.573 GB Notification: Performance of NFVerifyModel.verify: time 0.001909/0.311, allocations: 264 kB / 0.7065 GB, free: 0.5898 MB / 0.573 GB Notification: Performance of NFConvertDAE.convert: time 0.009502/0.3206, allocations: 5.517 MB / 0.7119 GB, free: 11.06 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 4.729e-06/0.3206, allocations: 0 / 0.7119 GB, free: 11.06 MB / 0.5886 GB Notification: Performance of FrontEnd: time 3.307e-06/0.3206, allocations: 0 / 0.7119 GB, free: 11.06 MB / 0.5886 GB Notification: Performance of Transformations before backend: time 0.0002121/0.3209, allocations: 0 / 0.7119 GB, free: 11.06 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: 874 * Number of variables: 874 Notification: Performance of Generate backend data structure: time 0.01018/0.331, allocations: 2.718 MB / 0.7146 GB, free: 8.281 MB / 0.5886 GB Notification: Performance of prepare preOptimizeDAE: time 5.386e-05/0.3311, allocations: 15.97 kB / 0.7146 GB, free: 8.266 MB / 0.5886 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02404/0.3552, allocations: 2.414 MB / 0.7169 GB, free: 5.844 MB / 0.5886 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006621/0.3619, allocations: 1.951 MB / 0.7188 GB, free: 3.844 MB / 0.5886 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003137/0.3622, allocations: 230.1 kB / 0.7191 GB, free: 3.617 MB / 0.5886 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001409/0.3636, allocations: 312 kB / 0.7194 GB, free: 3.312 MB / 0.5886 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02262/0.3863, allocations: 6.376 MB / 0.7256 GB, free: 12.82 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000112/0.3865, allocations: 7.938 kB / 0.7256 GB, free: 12.82 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008215/0.3873, allocations: 132 kB / 0.7257 GB, free: 12.69 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008171/0.3881, allocations: 313.4 kB / 0.726 GB, free: 12.38 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02804/0.4162, allocations: 6.562 MB / 0.7324 GB, free: 5.801 MB / 0.6042 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05204/0.4683, allocations: 25.19 MB / 0.757 GB, free: 10.47 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01578/0.4841, allocations: 5.416 MB / 0.7623 GB, free: 4.707 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005415/0.4847, allocations: 139 kB / 0.7625 GB, free: 4.555 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.203e-05/0.4848, allocations: 68.44 kB / 0.7625 GB, free: 4.48 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=230): time 5.189e-06/0.4848, allocations: 0 / 0.7625 GB, free: 4.48 MB / 0.6355 GB Notification: Performance of matching and sorting (n=311): time 0.2158/0.7006, allocations: 31.09 MB / 0.7929 GB, free: 5.195 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002127/0.7009, allocations: 239.9 kB / 0.7931 GB, free: 4.91 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003654/0.7045, allocations: 1.133 MB / 0.7942 GB, free: 3.766 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.000915/0.7055, allocations: 81.7 kB / 0.7943 GB, free: 3.68 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.001708/0.7072, allocations: 1.246 MB / 0.7955 GB, free: 2.41 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.002393/0.7097, allocations: 1.047 MB / 0.7965 GB, free: 1.348 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006803/0.7104, allocations: 64 kB / 0.7966 GB, free: 1.285 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0004893/0.7109, allocations: 440.7 kB / 0.797 GB, free: 0.8477 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0167/0.7276, allocations: 2.731 MB / 0.7997 GB, free: 14.11 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01666/0.7443, allocations: 3.412 MB / 0.803 GB, free: 10.44 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01538/0.7598, allocations: 3.138 MB / 0.8061 GB, free: 7.285 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.233e-05/0.7599, allocations: 4 kB / 0.8061 GB, free: 7.281 MB / 0.6823 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.6614/1.421, allocations: 10.45 MB / 0.8163 GB, free: 125.6 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.001569/1.423, allocations: 7.06 MB / 0.8232 GB, free: 118.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.145e-05/1.423, allocations: 18.28 kB / 0.8232 GB, free: 118.2 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03268/1.456, allocations: 5.257 MB / 0.8283 GB, free: 117.6 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00823/1.464, allocations: 0.9305 MB / 0.8292 GB, free: 117.5 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04711/1.511, allocations: 17.4 MB / 0.8462 GB, free: 109.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007138/1.518, allocations: 0.5099 MB / 0.8467 GB, free: 109.4 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009538/1.519, allocations: 139.1 kB / 0.8469 GB, free: 109.4 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.86e-05/1.519, allocations: 6.812 kB / 0.8469 GB, free: 109.4 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 0.03723/1.557, allocations: 9.477 MB / 0.8561 GB, free: 104.4 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.98e-05/1.557, allocations: 27.61 kB / 0.8561 GB, free: 104.4 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01753/1.574, allocations: 3.147 MB / 0.8592 GB, free: 102.8 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009214/1.584, allocations: 1.095 MB / 0.8603 GB, free: 102.5 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04013/1.624, allocations: 26.17 MB / 0.8858 GB, free: 77.3 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009525/1.633, allocations: 0.4989 MB / 0.8863 GB, free: 76.8 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001556/1.635, allocations: 143.9 kB / 0.8865 GB, free: 76.66 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 0.006445/1.642, allocations: 1.319 MB / 0.8878 GB, free: 75.34 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001625/1.643, allocations: 201.6 kB / 0.8879 GB, free: 75.14 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04568/1.689, allocations: 10.69 MB / 0.8984 GB, free: 64.38 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.741e-05/1.689, allocations: 35.98 kB / 0.8984 GB, free: 64.34 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.649e-05/1.689, allocations: 16 kB / 0.8984 GB, free: 64.33 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.174e-05/1.689, allocations: 15.56 kB / 0.8985 GB, free: 64.32 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05952/1.749, allocations: 15.99 MB / 0.9141 GB, free: 48.16 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.113e-05/1.749, allocations: 8 kB / 0.9141 GB, free: 48.15 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006553/1.755, allocations: 0.7418 MB / 0.9148 GB, free: 47.41 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02917/1.785, allocations: 5.042 MB / 0.9197 GB, free: 42.35 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000718/1.785, allocations: 83.94 kB / 0.9198 GB, free: 42.27 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.08451/1.87, allocations: 26.02 MB / 0.9452 GB, free: 15.97 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.562e-05/1.87, allocations: 8 kB / 0.9452 GB, free: 15.96 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04512/1.915, allocations: 10.43 MB / 0.9554 GB, free: 5.156 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002516/1.918, allocations: 0.7684 MB / 0.9562 GB, free: 4.371 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000897/1.919, allocations: 67.92 kB / 0.9562 GB, free: 4.305 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006572/1.925, allocations: 0.4953 MB / 0.9567 GB, free: 3.809 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001767/1.927, allocations: 255 kB / 0.957 GB, free: 3.555 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0007969/1.928, allocations: 103.9 kB / 0.9571 GB, free: 3.453 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.002886/1.931, allocations: 0.9045 MB / 0.9579 GB, free: 2.543 MB / 0.6823 GB Notification: Performance of sort global known variables: time 2.946e-06/1.931, allocations: 0 / 0.9579 GB, free: 2.543 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.01296/1.944, allocations: 1.695 MB / 0.9596 GB, free: 0.8477 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 0.00119/1.945, allocations: 186.9 kB / 0.9598 GB, free: 0.6641 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.07897/2.024, allocations: 11.98 MB / 0.9715 GB, free: 4.574 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.611e-05/2.024, allocations: 4 kB / 0.9715 GB, free: 4.57 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.01925/2.043, allocations: 4.509 MB / 0.9759 GB, free: 32 kB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002723/2.046, allocations: 232.7 kB / 0.9761 GB, free: 15.82 MB / 0.7136 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05523/2.102, allocations: 11.72 MB / 0.9875 GB, free: 3.965 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00544/2.107, allocations: 2.714 MB / 0.9902 GB, free: 1.215 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.01095/2.118, allocations: 1.789 MB / 0.9919 GB, free: 15.42 MB / 0.7292 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001239/2.119, allocations: 151.3 kB / 0.9921 GB, free: 15.27 MB / 0.7292 GB Notification: Performance of SimCode: time 1.543e-06/2.119, allocations: 4 kB / 0.9921 GB, free: 15.27 MB / 0.7292 GB Notification: Performance of Templates: time 0.2274/2.347, allocations: 71.74 MB / 1.062 GB, free: 7.699 MB / 0.7917 GB