Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD") Notification: Performance of loadModel(Buildings): time 3.571/3.571, allocations: 402 MB / 416 MB, free: 10.21 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 2.896e-05/2.919e-05, allocations: 4 kB / 0.5004 GB, free: 8.227 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1757/0.1758, allocations: 92.68 MB / 0.5909 GB, free: 11.37 MB / 0.4948 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.7171/0.8929, allocations: 180.8 MB / 0.7674 GB, free: 9.582 MB / 0.6355 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003654/0.8933, allocations: 119.9 kB / 0.7676 GB, free: 9.465 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 0.9789/1.872, allocations: 123 MB / 0.8877 GB, free: 191.7 MB / 0.7448 GB Notification: Performance of FrontEnd: time 2.923e-06/1.872, allocations: 1.188 kB / 0.8877 GB, free: 191.7 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0001769/1.873, allocations: 71.05 kB / 0.8878 GB, free: 191.7 MB / 0.7448 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 0.009241/1.882, allocations: 2.666 MB / 0.8904 GB, free: 190.5 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.385e-05/1.882, allocations: 8.938 kB / 0.8904 GB, free: 190.5 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01585/1.898, allocations: 2.074 MB / 0.8924 GB, free: 190.4 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006204/1.904, allocations: 1.997 MB / 0.8944 GB, free: 190 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000318/1.904, allocations: 228.1 kB / 0.8946 GB, free: 189.9 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001519/1.906, allocations: 301.3 kB / 0.8949 GB, free: 189.9 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01903/1.925, allocations: 5.838 MB / 0.9006 GB, free: 189.6 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001003/1.925, allocations: 5.625 kB / 0.9006 GB, free: 189.6 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007738/1.926, allocations: 125.8 kB / 0.9007 GB, free: 189.6 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000636/1.926, allocations: 288.9 kB / 0.901 GB, free: 189.6 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01908/1.946, allocations: 6.027 MB / 0.9069 GB, free: 189.5 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03801/1.984, allocations: 18.39 MB / 0.9248 GB, free: 184.4 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01065/1.994, allocations: 5.472 MB / 0.9302 GB, free: 182.6 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003445/1.995, allocations: 138 kB / 0.9303 GB, free: 182.5 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.495e-05/1.995, allocations: 66.33 kB / 0.9304 GB, free: 182.4 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=230): time 7.167e-06/1.995, allocations: 0 / 0.9304 GB, free: 182.4 MB / 0.7448 GB Notification: Performance of matching and sorting (n=311): time 0.1747/2.169, allocations: 35.99 MB / 0.9655 GB, free: 175.3 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.756e-05/2.17, allocations: 250.7 kB / 0.9657 GB, free: 175 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001955/2.171, allocations: 1.125 MB / 0.9668 GB, free: 174.6 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.0006288/2.172, allocations: 76.77 kB / 0.9669 GB, free: 174.5 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006305/2.173, allocations: 1.224 MB / 0.9681 GB, free: 173.6 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.001038/2.174, allocations: 1.047 MB / 0.9691 GB, free: 172.8 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003819/2.174, allocations: 65.91 kB / 0.9692 GB, free: 172.7 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0002025/2.174, allocations: 444 kB / 0.9696 GB, free: 172.4 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007711/2.182, allocations: 2.727 MB / 0.9723 GB, free: 171.5 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008325/2.191, allocations: 3.428 MB / 0.9756 GB, free: 169.9 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008409/2.199, allocations: 3.133 MB / 0.9787 GB, free: 168.8 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.496e-05/2.199, allocations: 7.062 kB / 0.9787 GB, free: 168.8 MB / 0.7448 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.02761/2.227, allocations: 9.408 MB / 0.9879 GB, free: 166 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 0.001455/2.228, allocations: 7.317 MB / 0.995 GB, free: 158.2 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.051e-05/2.228, allocations: 17.62 kB / 0.995 GB, free: 158.2 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0336/2.262, allocations: 6.741 MB / 1.002 GB, free: 154.5 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004569/2.266, allocations: 0.8214 MB / 1.002 GB, free: 153.9 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03006/2.297, allocations: 17.34 MB / 1.019 GB, free: 139.2 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004742/2.301, allocations: 0.5069 MB / 1.02 GB, free: 138.8 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008565/2.302, allocations: 180.5 kB / 1.02 GB, free: 138.7 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.49e-05/2.302, allocations: 6.5 kB / 1.02 GB, free: 138.7 MB / 0.7448 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.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 0.04264/2.345, allocations: 9.507 MB / 1.029 GB, free: 129.7 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001212/2.345, allocations: 20 kB / 1.029 GB, free: 129.7 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02282/2.368, allocations: 3.161 MB / 1.032 GB, free: 126.5 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01059/2.379, allocations: 1.015 MB / 1.033 GB, free: 125.5 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03016/2.409, allocations: 26.06 MB / 1.059 GB, free: 98.61 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004473/2.413, allocations: 0.4913 MB / 1.059 GB, free: 98.12 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008745/2.414, allocations: 183.9 kB / 1.06 GB, free: 97.94 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 84 * 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 {(10,73.0%) 62} * Non-linear torn systems: 1 {10 62} Notification: Performance of prepare postOptimizeDAE: time 0.003386/2.418, allocations: 1.32 MB / 1.061 GB, free: 96.61 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009022/2.419, allocations: 197.6 kB / 1.061 GB, free: 96.41 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02666/2.445, allocations: 9.694 MB / 1.07 GB, free: 86.67 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.299e-05/2.445, allocations: 35.98 kB / 1.071 GB, free: 86.63 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.574e-05/2.445, allocations: 19.09 kB / 1.071 GB, free: 86.62 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.262e-05/2.445, allocations: 11.95 kB / 1.071 GB, free: 86.61 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03726/2.483, allocations: 15.06 MB / 1.085 GB, free: 71.36 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.604e-05/2.483, allocations: 8 kB / 1.085 GB, free: 71.35 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00366/2.486, allocations: 0.6318 MB / 1.086 GB, free: 70.71 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.03062/2.517, allocations: 6.53 MB / 1.092 GB, free: 64.17 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006973/2.518, allocations: 91.91 kB / 1.092 GB, free: 64.08 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03027/2.548, allocations: 16.95 MB / 1.109 GB, free: 46.98 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.236e-05/2.548, allocations: 12.03 kB / 1.109 GB, free: 46.96 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02397/2.572, allocations: 9.428 MB / 1.118 GB, free: 37.15 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002255/2.574, allocations: 0.8068 MB / 1.119 GB, free: 36.32 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007768/2.575, allocations: 67.95 kB / 1.119 GB, free: 36.26 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004204/2.579, allocations: 0.4913 MB / 1.119 GB, free: 35.77 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008108/2.58, allocations: 230.4 kB / 1.12 GB, free: 35.54 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004274/2.581, allocations: 139.9 kB / 1.12 GB, free: 35.4 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 0.00155/2.582, allocations: 0.8991 MB / 1.121 GB, free: 34.49 MB / 0.7448 GB Notification: Performance of sort global known variables: time 1.671e-06/2.582, allocations: 4 kB / 1.121 GB, free: 34.49 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.007315/2.59, allocations: 1.594 MB / 1.122 GB, free: 32.89 MB / 0.7448 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 {(10,73.0%) 62} * Non-linear torn systems: 1 {10 62} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006644/2.59, allocations: 207.3 kB / 1.122 GB, free: 32.68 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.03115/2.622, allocations: 12.13 MB / 1.134 GB, free: 20.45 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 1.215e-05/2.622, allocations: 5.875 kB / 1.134 GB, free: 20.45 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 0.01132/2.633, allocations: 4.145 MB / 1.138 GB, free: 16.28 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001973/2.635, allocations: 204.3 kB / 1.139 GB, free: 16.09 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03361/2.669, allocations: 11.85 MB / 1.15 GB, free: 4.125 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00402/2.673, allocations: 2.645 MB / 1.153 GB, free: 1.449 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 0.007125/2.68, allocations: 1.77 MB / 1.154 GB, free: 15.76 MB / 0.7605 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001001/2.681, allocations: 151.3 kB / 1.155 GB, free: 15.61 MB / 0.7605 GB Notification: Performance of SimCode: time 2.064e-06/2.681, allocations: 0 / 1.155 GB, free: 15.61 MB / 0.7605 GB Notification: Performance of Templates: time 0.5715/3.252, allocations: 67.48 MB / 1.22 GB, free: 183.3 MB / 0.7605 GB