Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD") Notification: Performance of loadModel(Buildings): time 4.389/4.389, allocations: 431.3 MB / 445.8 MB, free: 5.391 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.064e-05/3.062e-05, allocations: 4 kB / 0.5354 GB, free: 14.79 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6252/0.6253, allocations: 98.71 MB / 0.6318 GB, free: 11.94 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD): time 0.02618/0.6515, allocations: 14.16 MB / 0.6457 GB, free: 13.73 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.01416/0.6657, allocations: 5.58 MB / 0.6511 GB, free: 8.137 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001686/0.6675, allocations: 51.88 kB / 0.6512 GB, free: 8.086 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.001682/0.6692, allocations: 369.8 kB / 0.6515 GB, free: 7.723 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.003682/0.6729, allocations: 0.728 MB / 0.6522 GB, free: 6.992 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.003394/0.6763, allocations: 0.7524 MB / 0.653 GB, free: 6.238 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.00441/0.6808, allocations: 1.704 MB / 0.6546 GB, free: 4.531 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01273/0.6936, allocations: 5.508 MB / 0.66 GB, free: 14.97 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002343/0.696, allocations: 0.9312 MB / 0.6609 GB, free: 14.04 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003674/0.6997, allocations: 1.407 MB / 0.6623 GB, free: 12.62 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002704/0.7024, allocations: 0.5774 MB / 0.6629 GB, free: 12.05 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.001303/0.7038, allocations: 160 kB / 0.663 GB, free: 11.89 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.003264/0.7071, allocations: 1.477 MB / 0.6644 GB, free: 10.41 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001793/0.709, allocations: 256 kB / 0.6647 GB, free: 10.16 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.009526/0.7185, allocations: 5.496 MB / 0.6701 GB, free: 4.652 MB / 0.5417 GB Notification: Performance of FrontEnd - DAE generated: time 4.739e-06/0.7186, allocations: 0 / 0.6701 GB, free: 4.652 MB / 0.5417 GB Notification: Performance of FrontEnd: time 3.666e-06/0.7186, allocations: 0 / 0.6701 GB, free: 4.652 MB / 0.5417 GB Notification: Performance of Transformations before backend: time 0.0002253/0.7188, allocations: 4 kB / 0.6701 GB, free: 4.648 MB / 0.5417 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 0.01034/0.7292, allocations: 2.694 MB / 0.6727 GB, free: 1.895 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 5.434e-05/0.7293, allocations: 12.03 kB / 0.6727 GB, free: 1.883 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02374/0.753, allocations: 2.411 MB / 0.6751 GB, free: 15.46 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006878/0.7599, allocations: 1.939 MB / 0.677 GB, free: 13.48 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003601/0.7604, allocations: 230.1 kB / 0.6772 GB, free: 13.25 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00168/0.7621, allocations: 307.9 kB / 0.6775 GB, free: 12.95 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02455/0.7866, allocations: 6.339 MB / 0.6837 GB, free: 6.496 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001457/0.7868, allocations: 7.938 kB / 0.6837 GB, free: 6.488 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001268/0.7881, allocations: 136 kB / 0.6838 GB, free: 6.355 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008917/0.789, allocations: 313.3 kB / 0.6841 GB, free: 6.047 MB / 0.5573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0281/0.8172, allocations: 6.554 MB / 0.6905 GB, free: 15.48 MB / 0.573 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05134/0.8686, allocations: 25.1 MB / 0.715 GB, free: 4.242 MB / 0.5886 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01574/0.8844, allocations: 5.409 MB / 0.7203 GB, free: 14.47 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005745/0.885, allocations: 135 kB / 0.7204 GB, free: 14.32 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.453e-05/0.8851, allocations: 76.44 kB / 0.7205 GB, free: 14.24 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=230): time 5.45e-06/0.8851, allocations: 0 / 0.7205 GB, free: 14.24 MB / 0.6042 GB Notification: Performance of matching and sorting (n=311): time 0.1939/1.079, allocations: 31.04 MB / 0.7508 GB, free: 15.02 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001794/1.079, allocations: 243.8 kB / 0.751 GB, free: 14.73 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002716/1.082, allocations: 1.091 MB / 0.7521 GB, free: 13.63 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0007669/1.083, allocations: 81.7 kB / 0.7522 GB, free: 13.54 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.001351/1.084, allocations: 1.246 MB / 0.7534 GB, free: 12.28 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.001926/1.086, allocations: 1.043 MB / 0.7544 GB, free: 11.22 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004901/1.087, allocations: 60 kB / 0.7545 GB, free: 11.16 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0003272/1.087, allocations: 436.7 kB / 0.7549 GB, free: 10.73 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0117/1.099, allocations: 2.738 MB / 0.7576 GB, free: 7.984 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01257/1.111, allocations: 3.408 MB / 0.7609 GB, free: 4.316 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01277/1.124, allocations: 3.142 MB / 0.764 GB, free: 1.156 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.638e-05/1.124, allocations: 4 kB / 0.764 GB, free: 1.152 MB / 0.6355 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.04903/1.173, allocations: 10.45 MB / 0.7742 GB, free: 6.648 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.003114/1.176, allocations: 7.062 MB / 0.7811 GB, free: 15.03 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.687e-05/1.177, allocations: 24.19 kB / 0.7811 GB, free: 15 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03182/1.208, allocations: 5.252 MB / 0.7862 GB, free: 9.738 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008009/1.216, allocations: 0.94 MB / 0.7871 GB, free: 8.797 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04947/1.266, allocations: 17.38 MB / 0.8041 GB, free: 7.242 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0073/1.273, allocations: 0.5147 MB / 0.8046 GB, free: 6.727 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000912/1.274, allocations: 143.9 kB / 0.8047 GB, free: 6.586 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.801e-05/1.274, allocations: 4 kB / 0.8048 GB, free: 6.582 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 0.5926/1.867, allocations: 9.458 MB / 0.814 GB, free: 159 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.271e-05/1.867, allocations: 19 kB / 0.814 GB, free: 159 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01939/1.886, allocations: 3.159 MB / 0.8171 GB, free: 159 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009744/1.896, allocations: 1.096 MB / 0.8182 GB, free: 159 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04536/1.942, allocations: 26.16 MB / 0.8437 GB, free: 141.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006881/1.949, allocations: 0.4975 MB / 0.8442 GB, free: 141.1 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008475/1.95, allocations: 141.2 kB / 0.8443 GB, free: 141.1 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 0.003667/1.953, allocations: 1.327 MB / 0.8456 GB, free: 140.5 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008552/1.954, allocations: 193 kB / 0.8458 GB, free: 140.5 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04362/1.998, allocations: 10.69 MB / 0.8562 GB, free: 136 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.916e-05/1.998, allocations: 33.22 kB / 0.8563 GB, free: 136 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.328e-05/1.998, allocations: 14.69 kB / 0.8563 GB, free: 136 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.463e-05/1.998, allocations: 19.89 kB / 0.8563 GB, free: 136 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1187/2.117, allocations: 15.98 MB / 0.8719 GB, free: 120.4 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.658e-05/2.117, allocations: 11.94 kB / 0.8719 GB, free: 120.4 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.009722/2.127, allocations: 0.7413 MB / 0.8726 GB, free: 119.7 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.04523/2.172, allocations: 5.046 MB / 0.8776 GB, free: 114.6 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009597/2.173, allocations: 79.95 kB / 0.8776 GB, free: 114.6 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.08428/2.257, allocations: 26.01 MB / 0.903 GB, free: 88.29 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.141e-05/2.257, allocations: 19.98 kB / 0.9031 GB, free: 88.27 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04071/2.298, allocations: 10.41 MB / 0.9132 GB, free: 77.47 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002469/2.3, allocations: 0.7682 MB / 0.914 GB, free: 76.69 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009445/2.301, allocations: 60 kB / 0.914 GB, free: 76.63 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00645/2.308, allocations: 0.4991 MB / 0.9145 GB, free: 76.13 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00124/2.309, allocations: 255 kB / 0.9148 GB, free: 75.88 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004723/2.31, allocations: 99.95 kB / 0.9149 GB, free: 75.78 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001747/2.311, allocations: 0.8757 MB / 0.9157 GB, free: 74.9 MB / 0.6823 GB Notification: Performance of sort global known variables: time 4.91e-07/2.312, allocations: 4 kB / 0.9157 GB, free: 74.89 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.008082/2.32, allocations: 1.684 MB / 0.9174 GB, free: 73.21 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 0.0009136/2.321, allocations: 185 kB / 0.9175 GB, free: 73.03 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.04407/2.365, allocations: 11.98 MB / 0.9292 GB, free: 60.94 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 1.216e-05/2.365, allocations: 4.5 kB / 0.9292 GB, free: 60.94 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.01837/2.383, allocations: 4.501 MB / 0.9336 GB, free: 56.41 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004116/2.387, allocations: 221.7 kB / 0.9339 GB, free: 56.2 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07623/2.464, allocations: 11.67 MB / 0.9452 GB, free: 44.4 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006563/2.47, allocations: 2.694 MB / 0.9479 GB, free: 41.67 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.01483/2.485, allocations: 1.777 MB / 0.9496 GB, free: 39.89 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001777/2.487, allocations: 151.3 kB / 0.9498 GB, free: 39.74 MB / 0.6823 GB Notification: Performance of SimCode: time 2.284e-06/2.487, allocations: 3.938 kB / 0.9498 GB, free: 39.73 MB / 0.6823 GB Notification: Performance of Templates: time 0.1704/2.657, allocations: 71.16 MB / 1.019 GB, free: 0.7266 MB / 0.7136 GB