Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadModel(Buildings): time 4.31/4.31, allocations: 431.3 MB / 445.8 MB, free: 5.406 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 4.752e-05/4.745e-05, allocations: 7.984 kB / 0.5354 GB, free: 14.79 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.642/0.6421, allocations: 98.71 MB / 0.6318 GB, free: 11.93 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02957/0.6717, allocations: 15.86 MB / 0.6473 GB, free: 12.02 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.01979/0.6916, allocations: 5.908 MB / 0.6531 GB, free: 6.098 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002467/0.6941, allocations: 59.88 kB / 0.6532 GB, free: 6.039 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.002618/0.6968, allocations: 425.5 kB / 0.6536 GB, free: 5.621 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.005732/0.7026, allocations: 0.7475 MB / 0.6543 GB, free: 4.871 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.005238/0.7079, allocations: 0.768 MB / 0.655 GB, free: 4.102 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.006662/0.7146, allocations: 1.801 MB / 0.6568 GB, free: 2.297 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02184/0.7365, allocations: 6.909 MB / 0.6635 GB, free: 11.34 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002628/0.7392, allocations: 1.036 MB / 0.6646 GB, free: 10.3 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003768/0.743, allocations: 1.492 MB / 0.666 GB, free: 8.801 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00236/0.7454, allocations: 0.5813 MB / 0.6666 GB, free: 8.219 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.0008515/0.7463, allocations: 164 kB / 0.6667 GB, free: 8.059 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.002755/0.749, allocations: 1.622 MB / 0.6683 GB, free: 6.434 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001469/0.7505, allocations: 288 kB / 0.6686 GB, free: 6.152 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.01078/0.7613, allocations: 6.4 MB / 0.6748 GB, free: 15.74 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 6.543e-06/0.7614, allocations: 0 / 0.6748 GB, free: 15.74 MB / 0.5573 GB Notification: Performance of FrontEnd: time 3.797e-06/0.7614, allocations: 3.938 kB / 0.6749 GB, free: 15.73 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0002361/0.7617, allocations: 3.938 kB / 0.6749 GB, free: 15.73 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01165/0.7733, allocations: 2.954 MB / 0.6777 GB, free: 12.72 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.154e-05/0.7734, allocations: 12.03 kB / 0.6778 GB, free: 12.71 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02369/0.7971, allocations: 2.445 MB / 0.6801 GB, free: 10.25 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007467/0.8046, allocations: 2.127 MB / 0.6822 GB, free: 8.078 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003941/0.8051, allocations: 267 kB / 0.6825 GB, free: 7.816 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00175/0.8068, allocations: 348 kB / 0.6828 GB, free: 7.477 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02701/0.8339, allocations: 7.036 MB / 0.6897 GB, free: 340 kB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002533/0.8342, allocations: 3.938 kB / 0.6897 GB, free: 336 kB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001958/0.8362, allocations: 144 kB / 0.6898 GB, free: 192 kB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001521/0.8377, allocations: 338 kB / 0.6901 GB, free: 15.86 MB / 0.573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04271/0.8805, allocations: 6.965 MB / 0.6969 GB, free: 8.883 MB / 0.573 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07149/0.952, allocations: 27.05 MB / 0.7234 GB, free: 11.58 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01486/0.967, allocations: 4.922 MB / 0.7282 GB, free: 6.367 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005158/0.9675, allocations: 147 kB / 0.7283 GB, free: 6.207 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.023e-05/0.9676, allocations: 60.52 kB / 0.7284 GB, free: 6.141 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=208): time 5.069e-06/0.9676, allocations: 3.938 kB / 0.7284 GB, free: 6.137 MB / 0.6042 GB Notification: Performance of matching and sorting (n=277): time 0.1749/1.142, allocations: 28.07 MB / 0.7558 GB, free: 9.938 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001533/1.143, allocations: 243.6 kB / 0.756 GB, free: 9.648 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002868/1.146, allocations: 1.249 MB / 0.7572 GB, free: 8.391 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0006928/1.146, allocations: 73.7 kB / 0.7573 GB, free: 8.312 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.001464/1.148, allocations: 1.482 MB / 0.7587 GB, free: 6.809 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.001646/1.149, allocations: 0.9396 MB / 0.7597 GB, free: 5.855 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005457/1.15, allocations: 64 kB / 0.7597 GB, free: 5.793 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0003513/1.15, allocations: 444.8 kB / 0.7602 GB, free: 5.352 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01098/1.161, allocations: 2.614 MB / 0.7627 GB, free: 2.734 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.012/1.173, allocations: 3.494 MB / 0.7661 GB, free: 14.86 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01236/1.186, allocations: 3.057 MB / 0.7691 GB, free: 11.79 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.975e-05/1.186, allocations: 8 kB / 0.7691 GB, free: 11.78 MB / 0.6511 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04749/1.233, allocations: 10.12 MB / 0.779 GB, free: 1.59 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.004452/1.238, allocations: 10.36 MB / 0.7891 GB, free: 6.406 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.149e-05/1.238, allocations: 28 kB / 0.7891 GB, free: 6.379 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03035/1.268, allocations: 5.045 MB / 0.7941 GB, free: 1.32 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008205/1.277, allocations: 0.975 MB / 0.795 GB, free: 352 kB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06356/1.34, allocations: 15.32 MB / 0.81 GB, free: 0.8516 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01067/1.351, allocations: 0.538 MB / 0.8105 GB, free: 320 kB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001337/1.352, allocations: 152 kB / 0.8106 GB, free: 168 kB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 2.265e-05/1.353, allocations: 4 kB / 0.8107 GB, free: 164 kB / 0.6823 GB Warning: The linear system: 1 : line2.i3[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1] 2 : line2.i2[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1] 3 : line2.i1[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ transformer.conv1.terminal_p.i[1] ; transformer.conv2.terminal_p.i[1] ; transformer.conv3.terminal_p.i[1] ] = [ -line2.i3[1] ; -line2.i2[1] ; -line2.i1[1] ] might be structurally or numerically singular for variable transformer.conv3.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.conv3.V2[2] = line2.v2_n[2] - line2.v3_n[2] 3 : transformer.conv2.V2[2] = line2.v1_n[2] - line2.v2_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.v2_n[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv3.V2[2] ; -transformer.conv2.V2[2] ] might be structurally or numerically singular for variable line2.v3_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 0.7/2.053, allocations: 9.232 MB / 0.8197 GB, free: 157.6 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001209/2.053, allocations: 28.06 kB / 0.8197 GB, free: 157.6 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01786/2.071, allocations: 3.039 MB / 0.8227 GB, free: 157.2 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009219/2.08, allocations: 1.122 MB / 0.8238 GB, free: 157.1 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03948/2.119, allocations: 24.47 MB / 0.8477 GB, free: 139.6 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00714/2.127, allocations: 0.5122 MB / 0.8482 GB, free: 139.6 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008727/2.128, allocations: 147.9 kB / 0.8483 GB, free: 139.6 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 0.003999/2.132, allocations: 1.494 MB / 0.8498 GB, free: 138.9 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009422/2.133, allocations: 205.1 kB / 0.8499 GB, free: 138.9 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04245/2.175, allocations: 9.399 MB / 0.8591 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.204e-05/2.175, allocations: 28 kB / 0.8592 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.331e-05/2.175, allocations: 16 kB / 0.8592 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.422e-05/2.175, allocations: 11.95 kB / 0.8592 GB, free: 131.8 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05681/2.232, allocations: 15.18 MB / 0.874 GB, free: 116.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.05e-05/2.232, allocations: 8 kB / 0.874 GB, free: 116.5 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006158/2.238, allocations: 0.7262 MB / 0.8747 GB, free: 115.8 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02757/2.266, allocations: 4.822 MB / 0.8794 GB, free: 110.9 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006324/2.267, allocations: 75.95 kB / 0.8795 GB, free: 110.9 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.07871/2.345, allocations: 22.82 MB / 0.9018 GB, free: 87.85 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.426e-05/2.345, allocations: 16.02 kB / 0.9018 GB, free: 87.83 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.06345/2.409, allocations: 9.841 MB / 0.9114 GB, free: 77.63 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002347/2.411, allocations: 0.7119 MB / 0.9121 GB, free: 76.9 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001051/2.412, allocations: 56 kB / 0.9122 GB, free: 76.85 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006453/2.419, allocations: 495.2 kB / 0.9126 GB, free: 76.36 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001031/2.42, allocations: 234.6 kB / 0.9129 GB, free: 76.13 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004506/2.42, allocations: 95.91 kB / 0.913 GB, free: 76.04 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001913/2.422, allocations: 0.941 MB / 0.9139 GB, free: 75.09 MB / 0.6823 GB Notification: Performance of sort global known variables: time 6.51e-07/2.422, allocations: 3.656 kB / 0.9139 GB, free: 75.09 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.008387/2.431, allocations: 1.699 MB / 0.9155 GB, free: 73.39 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 {(9,92.6%) 51} * Non-linear torn systems: 1 {9 51} Notification: Performance of Backend phase and start with SimCode phase: time 0.000903/2.432, allocations: 182.9 kB / 0.9157 GB, free: 73.21 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.0429/2.475, allocations: 11.44 MB / 0.9269 GB, free: 61.68 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 1.261e-05/2.475, allocations: 0 / 0.9269 GB, free: 61.68 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.01608/2.491, allocations: 4.163 MB / 0.9309 GB, free: 57.49 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002051/2.493, allocations: 222.3 kB / 0.9312 GB, free: 57.28 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03687/2.53, allocations: 10.7 MB / 0.9416 GB, free: 46.44 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004125/2.534, allocations: 2.862 MB / 0.9444 GB, free: 43.55 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.009606/2.544, allocations: 1.793 MB / 0.9462 GB, free: 41.75 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001185/2.545, allocations: 159.3 kB / 0.9463 GB, free: 41.59 MB / 0.6823 GB Notification: Performance of SimCode: time 1.072e-06/2.545, allocations: 0 / 0.9463 GB, free: 41.59 MB / 0.6823 GB Notification: Performance of Templates: time 0.1505/2.695, allocations: 66.09 MB / 1.011 GB, free: 7.625 MB / 0.7136 GB