Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadModel(Buildings): time 3.488/3.488, allocations: 402 MB / 415.9 MB, free: 10.19 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.444e-05/3.456e-05, allocations: 7.984 kB / 0.5004 GB, free: 8.215 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1671/0.1672, allocations: 92.69 MB / 0.5909 GB, free: 11.35 MB / 0.4948 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.68/0.8472, allocations: 182.5 MB / 0.7691 GB, free: 7.875 MB / 0.6355 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000389/0.8476, allocations: 119.9 kB / 0.7692 GB, free: 7.758 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 0.9593/1.807, allocations: 134.5 MB / 0.9005 GB, free: 192 MB / 0.7448 GB Notification: Performance of FrontEnd: time 2.52e-06/1.807, allocations: 0 / 0.9005 GB, free: 192 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0001879/1.807, allocations: 73.38 kB / 0.9006 GB, free: 192 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01115/1.818, allocations: 2.956 MB / 0.9035 GB, free: 190.7 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.247e-05/1.818, allocations: 9.031 kB / 0.9035 GB, free: 190.7 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01679/1.835, allocations: 2.11 MB / 0.9055 GB, free: 190.5 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006398/1.842, allocations: 2.194 MB / 0.9077 GB, free: 190 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003512/1.842, allocations: 268.4 kB / 0.9079 GB, free: 190 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001928/1.844, allocations: 346.9 kB / 0.9083 GB, free: 190 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02015/1.864, allocations: 6.504 MB / 0.9146 GB, free: 189.7 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001203/1.864, allocations: 11.19 kB / 0.9146 GB, free: 189.7 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001124/1.865, allocations: 146.4 kB / 0.9148 GB, free: 189.7 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006716/1.866, allocations: 307.5 kB / 0.9151 GB, free: 189.7 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02026/1.886, allocations: 6.406 MB / 0.9213 GB, free: 189.6 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04055/1.927, allocations: 20.37 MB / 0.9412 GB, free: 182.1 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01036/1.937, allocations: 5.005 MB / 0.9461 GB, free: 179.5 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003506/1.938, allocations: 134 kB / 0.9462 GB, free: 179.4 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.195e-05/1.938, allocations: 67.33 kB / 0.9463 GB, free: 179.3 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=208): time 6.313e-06/1.938, allocations: 3.562 kB / 0.9463 GB, free: 179.3 MB / 0.7448 GB Notification: Performance of matching and sorting (n=277): time 0.1595/2.097, allocations: 30.25 MB / 0.9758 GB, free: 172.2 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001074/2.098, allocations: 240.1 kB / 0.9761 GB, free: 171.9 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003959/2.102, allocations: 1.316 MB / 0.9774 GB, free: 171.4 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.0008631/2.102, allocations: 75.05 kB / 0.9774 GB, free: 171.4 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.00139/2.104, allocations: 1.479 MB / 0.9789 GB, free: 170.2 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.001762/2.106, allocations: 0.9441 MB / 0.9798 GB, free: 169.5 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006696/2.106, allocations: 62.44 kB / 0.9799 GB, free: 169.4 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0003453/2.107, allocations: 443.9 kB / 0.9803 GB, free: 169.1 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0129/2.12, allocations: 2.612 MB / 0.9828 GB, free: 168.3 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01399/2.134, allocations: 3.514 MB / 0.9863 GB, free: 166.5 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0144/2.148, allocations: 3.066 MB / 0.9893 GB, free: 165.4 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.333e-05/2.148, allocations: 10.64 kB / 0.9893 GB, free: 165.4 MB / 0.7448 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04338/2.192, allocations: 9.13 MB / 0.9982 GB, free: 160.6 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 0.002063/2.194, allocations: 10.62 MB / 1.009 GB, free: 149.2 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.486e-05/2.194, allocations: 35.95 kB / 1.009 GB, free: 149.2 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03119/2.225, allocations: 6.517 MB / 1.015 GB, free: 144.7 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00474/2.23, allocations: 0.8737 MB / 1.016 GB, free: 144.1 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02815/2.258, allocations: 15.29 MB / 1.031 GB, free: 128.9 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004995/2.263, allocations: 0.5339 MB / 1.031 GB, free: 128.4 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008296/2.264, allocations: 191.9 kB / 1.031 GB, free: 128.2 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.559e-05/2.264, allocations: 14.45 kB / 1.031 GB, free: 128.2 MB / 0.7448 GB Warning: The linear system: 1 : line2.i3[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1] 2 : line2.i1[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1] 3 : line2.i2[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.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.conv2.terminal_p.i[1] ; transformer.conv1.terminal_p.i[1] ] = [ -line2.i3[1] ; -line2.i1[1] ; -line2.i2[1] ] might be structurally or numerically singular for variable transformer.conv1.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.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2] 2 : line2.i1[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2] 3 : line2.i2[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ transformer.conv3.terminal_p.i[2] ; transformer.conv2.terminal_p.i[2] ; transformer.conv1.terminal_p.i[2] ] = [ -line2.i3[2] ; -line2.i1[2] ; -line2.i2[2] ] might be structurally or numerically singular for variable transformer.conv1.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.v3_n[2] - line2.v1_n[2] 2 : transformer.conv2.V2[2] = line2.v1_n[2] - line2.v2_n[2] 3 : transformer.conv3.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.v3_n[2] ; line2.v2_n[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv2.V2[2] ; -transformer.conv3.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.v3_n[1] - line2.v1_n[1] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : transformer.conv3.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.v3_n[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv2.V2[1] ; -transformer.conv3.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 0.02477/2.289, allocations: 9.272 MB / 1.041 GB, free: 118.8 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.002e-05/2.289, allocations: 28 kB / 1.041 GB, free: 118.7 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01223/2.301, allocations: 3.057 MB / 1.044 GB, free: 115.7 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005592/2.307, allocations: 1.037 MB / 1.045 GB, free: 114.6 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02834/2.335, allocations: 24.36 MB / 1.068 GB, free: 89.36 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0047/2.34, allocations: 0.5068 MB / 1.069 GB, free: 88.85 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008743/2.341, allocations: 195.9 kB / 1.069 GB, free: 88.66 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 122 * 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 {(10,74.0%) 50} * Non-linear torn systems: 1 {10 50} Notification: Performance of prepare postOptimizeDAE: time 0.003703/2.345, allocations: 1.505 MB / 1.07 GB, free: 87.14 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008973/2.345, allocations: 201.5 kB / 1.071 GB, free: 86.95 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02406/2.37, allocations: 8.445 MB / 1.079 GB, free: 78.45 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.899e-05/2.37, allocations: 28 kB / 1.079 GB, free: 78.43 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.226e-05/2.37, allocations: 12 kB / 1.079 GB, free: 78.41 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.622e-05/2.37, allocations: 19.94 kB / 1.079 GB, free: 78.39 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03547/2.405, allocations: 14.31 MB / 1.093 GB, free: 63.96 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.272e-05/2.405, allocations: 8 kB / 1.093 GB, free: 63.96 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003537/2.409, allocations: 0.6239 MB / 1.094 GB, free: 63.33 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.03036/2.439, allocations: 6.295 MB / 1.1 GB, free: 57.02 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005934/2.44, allocations: 99.66 kB / 1.1 GB, free: 56.93 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02767/2.468, allocations: 14.95 MB / 1.114 GB, free: 41.82 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.025e-05/2.468, allocations: 16.03 kB / 1.114 GB, free: 41.8 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02305/2.491, allocations: 8.897 MB / 1.123 GB, free: 32.43 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002183/2.493, allocations: 0.756 MB / 1.124 GB, free: 31.66 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007974/2.494, allocations: 55.95 kB / 1.124 GB, free: 31.6 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00452/2.498, allocations: 495.1 kB / 1.124 GB, free: 31.12 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007923/2.499, allocations: 222.1 kB / 1.125 GB, free: 30.9 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004099/2.499, allocations: 131.7 kB / 1.125 GB, free: 30.77 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 0.001824/2.501, allocations: 0.9933 MB / 1.126 GB, free: 29.78 MB / 0.7448 GB Notification: Performance of sort global known variables: time 1.055e-06/2.501, allocations: 0 / 1.126 GB, free: 29.78 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.00852/2.51, allocations: 1.641 MB / 1.127 GB, free: 28.14 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 (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 {(10,74.0%) 50} * Non-linear torn systems: 1 {10 50} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007505/2.511, allocations: 202.4 kB / 1.127 GB, free: 27.93 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.02905/2.54, allocations: 11.61 MB / 1.139 GB, free: 16.24 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 1.038e-05/2.54, allocations: 0 / 1.139 GB, free: 16.24 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 0.01052/2.55, allocations: 3.869 MB / 1.143 GB, free: 12.36 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002037/2.552, allocations: 217 kB / 1.143 GB, free: 12.16 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02639/2.579, allocations: 10.88 MB / 1.153 GB, free: 1.156 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00481/2.584, allocations: 2.862 MB / 1.156 GB, free: 14.27 MB / 0.7605 GB Notification: Performance of simCode: alias equations: time 0.007572/2.591, allocations: 1.788 MB / 1.158 GB, free: 12.56 MB / 0.7605 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008763/2.592, allocations: 155.3 kB / 1.158 GB, free: 12.41 MB / 0.7605 GB Notification: Performance of SimCode: time 2.353e-06/2.592, allocations: 3.094 kB / 1.158 GB, free: 12.41 MB / 0.7605 GB Notification: Performance of Templates: time 0.6052/3.197, allocations: 63.53 MB / 1.22 GB, free: 184.7 MB / 0.7605 GB