Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD") Notification: Performance of loadModel(Buildings): time 4.213/4.213, allocations: 431.3 MB / 445.8 MB, free: 5.43 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.465e-05/3.458e-05, allocations: 4 kB / 0.5354 GB, free: 14.81 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6043/0.6044, allocations: 98.71 MB / 0.6318 GB, free: 11.96 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.02524/0.6297, allocations: 14.23 MB / 0.6457 GB, free: 13.68 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.01405/0.6438, allocations: 5.603 MB / 0.6512 GB, free: 8.066 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001767/0.6456, allocations: 55.88 kB / 0.6513 GB, free: 8.012 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.001688/0.6473, allocations: 369.8 kB / 0.6516 GB, free: 7.648 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.003568/0.6509, allocations: 0.7319 MB / 0.6523 GB, free: 6.914 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.003292/0.6543, allocations: 0.7562 MB / 0.6531 GB, free: 6.156 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.004321/0.6587, allocations: 1.723 MB / 0.6548 GB, free: 4.43 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01258/0.6713, allocations: 5.522 MB / 0.6602 GB, free: 14.85 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002376/0.6737, allocations: 0.9429 MB / 0.6611 GB, free: 13.91 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003701/0.6775, allocations: 1.415 MB / 0.6625 GB, free: 12.49 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002946/0.6805, allocations: 0.5696 MB / 0.663 GB, free: 11.92 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.001526/0.6821, allocations: 160 kB / 0.6632 GB, free: 11.76 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.003181/0.6853, allocations: 1.489 MB / 0.6646 GB, free: 10.27 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001778/0.6872, allocations: 260 kB / 0.6649 GB, free: 10.02 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.009326/0.6965, allocations: 5.519 MB / 0.6703 GB, free: 4.484 MB / 0.5417 GB Notification: Performance of FrontEnd - DAE generated: time 4.849e-06/0.6966, allocations: 4 kB / 0.6703 GB, free: 4.48 MB / 0.5417 GB Notification: Performance of FrontEnd: time 3.156e-06/0.6966, allocations: 0 / 0.6703 GB, free: 4.48 MB / 0.5417 GB Notification: Performance of Transformations before backend: time 0.0001938/0.6968, allocations: 0 / 0.6703 GB, free: 4.48 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: 874 * Number of variables: 874 Notification: Performance of Generate backend data structure: time 0.01018/0.707, allocations: 2.718 MB / 0.6729 GB, free: 1.703 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 5.252e-05/0.7071, allocations: 15.98 kB / 0.6729 GB, free: 1.688 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02908/0.7362, allocations: 2.418 MB / 0.6753 GB, free: 15.26 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01013/0.7464, allocations: 1.955 MB / 0.6772 GB, free: 13.26 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005323/0.747, allocations: 238.2 kB / 0.6774 GB, free: 13.02 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002297/0.7493, allocations: 300 kB / 0.6777 GB, free: 12.73 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03559/0.7849, allocations: 6.38 MB / 0.6839 GB, free: 6.238 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001577/0.7851, allocations: 7.938 kB / 0.6839 GB, free: 6.23 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001178/0.7864, allocations: 135.9 kB / 0.6841 GB, free: 6.098 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001284/0.7877, allocations: 317.3 kB / 0.6844 GB, free: 5.785 MB / 0.5573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.07363/0.8613, allocations: 6.562 MB / 0.6908 GB, free: 15.21 MB / 0.573 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05147/0.9129, allocations: 25.17 MB / 0.7154 GB, free: 3.902 MB / 0.5886 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01588/0.9288, allocations: 5.416 MB / 0.7207 GB, free: 14.13 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005438/0.9294, allocations: 135 kB / 0.7208 GB, free: 13.98 MB / 0.6042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.933e-05/0.9295, allocations: 64.5 kB / 0.7209 GB, free: 13.91 MB / 0.6042 GB Notification: Performance of pre-optimization done (n=230): time 5.801e-06/0.9295, allocations: 0 / 0.7209 GB, free: 13.91 MB / 0.6042 GB Notification: Performance of matching and sorting (n=311): time 0.1929/1.122, allocations: 31.1 MB / 0.7512 GB, free: 14.63 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000154/1.123, allocations: 243.8 kB / 0.7515 GB, free: 14.34 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002561/1.125, allocations: 1.129 MB / 0.7526 GB, free: 13.2 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.000743/1.126, allocations: 77.7 kB / 0.7526 GB, free: 13.12 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.001337/1.127, allocations: 1.25 MB / 0.7539 GB, free: 11.85 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.001881/1.129, allocations: 1.04 MB / 0.7549 GB, free: 10.79 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004891/1.13, allocations: 64 kB / 0.7549 GB, free: 10.73 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.000346/1.13, allocations: 444.7 kB / 0.7554 GB, free: 10.29 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01129/1.141, allocations: 2.735 MB / 0.758 GB, free: 7.551 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01238/1.154, allocations: 3.412 MB / 0.7614 GB, free: 3.879 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01493/1.169, allocations: 3.134 MB / 0.7644 GB, free: 0.7266 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.307e-05/1.169, allocations: 8 kB / 0.7644 GB, free: 0.7188 MB / 0.6355 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.07575/1.245, allocations: 10.46 MB / 0.7746 GB, free: 6.203 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 0.004273/1.249, allocations: 7.062 MB / 0.7815 GB, free: 14.58 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001022/1.249, allocations: 16 kB / 0.7816 GB, free: 14.57 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03529/1.285, allocations: 5.26 MB / 0.7867 GB, free: 9.293 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007939/1.293, allocations: 0.9282 MB / 0.7876 GB, free: 8.363 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04896/1.342, allocations: 17.4 MB / 0.8046 GB, free: 6.797 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007341/1.349, allocations: 0.507 MB / 0.8051 GB, free: 6.289 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008884/1.35, allocations: 143.9 kB / 0.8052 GB, free: 6.148 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.656e-05/1.35, allocations: 4 kB / 0.8052 GB, free: 6.145 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 0.6097/1.96, allocations: 9.458 MB / 0.8145 GB, free: 158.8 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.726e-05/1.96, allocations: 18.25 kB / 0.8145 GB, free: 158.8 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01855/1.978, allocations: 3.153 MB / 0.8176 GB, free: 158.8 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009275/1.988, allocations: 1.101 MB / 0.8186 GB, free: 158.8 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0396/2.027, allocations: 26.17 MB / 0.8442 GB, free: 140.9 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006437/2.034, allocations: 0.4937 MB / 0.8447 GB, free: 140.9 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005788/2.034, allocations: 139.1 kB / 0.8448 GB, free: 140.9 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 0.003064/2.037, allocations: 1.326 MB / 0.8461 GB, free: 140.3 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007737/2.038, allocations: 202.4 kB / 0.8463 GB, free: 140.3 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04217/2.08, allocations: 10.69 MB / 0.8567 GB, free: 135.8 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.224e-05/2.081, allocations: 36.75 kB / 0.8568 GB, free: 135.7 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.865e-05/2.081, allocations: 14.5 kB / 0.8568 GB, free: 135.7 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.135e-05/2.081, allocations: 19.62 kB / 0.8568 GB, free: 135.7 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05483/2.135, allocations: 16 MB / 0.8724 GB, free: 120 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.047e-05/2.136, allocations: 7.938 kB / 0.8724 GB, free: 120 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006262/2.142, allocations: 0.7412 MB / 0.8731 GB, free: 119.3 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02895/2.171, allocations: 5.042 MB / 0.8781 GB, free: 114.2 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007485/2.172, allocations: 83.95 kB / 0.8782 GB, free: 114.1 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06379/2.235, allocations: 26.02 MB / 0.9036 GB, free: 87.87 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.236e-05/2.236, allocations: 12.03 kB / 0.9036 GB, free: 87.86 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.05433/2.29, allocations: 10.43 MB / 0.9138 GB, free: 77.05 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003317/2.293, allocations: 0.7732 MB / 0.9145 GB, free: 76.26 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001201/2.295, allocations: 56 kB / 0.9146 GB, free: 76.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.008623/2.303, allocations: 0.4992 MB / 0.915 GB, free: 75.7 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001485/2.305, allocations: 258.9 kB / 0.9153 GB, free: 75.45 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005985/2.305, allocations: 95.95 kB / 0.9154 GB, free: 75.36 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.002452/2.308, allocations: 0.9084 MB / 0.9163 GB, free: 74.44 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.002e-06/2.308, allocations: 0 / 0.9163 GB, free: 74.44 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.0107/2.319, allocations: 1.699 MB / 0.9179 GB, free: 72.74 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 0.0009342/2.32, allocations: 187.2 kB / 0.9181 GB, free: 72.56 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.04365/2.363, allocations: 11.98 MB / 0.9298 GB, free: 60.48 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 1.067e-05/2.363, allocations: 4 kB / 0.9298 GB, free: 60.48 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.01693/2.38, allocations: 4.504 MB / 0.9342 GB, free: 55.95 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002329/2.383, allocations: 244.4 kB / 0.9344 GB, free: 55.71 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04779/2.43, allocations: 11.71 MB / 0.9459 GB, free: 43.87 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006124/2.437, allocations: 2.703 MB / 0.9485 GB, free: 41.13 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.01402/2.451, allocations: 1.793 MB / 0.9503 GB, free: 39.33 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001731/2.452, allocations: 151.3 kB / 0.9504 GB, free: 39.18 MB / 0.6823 GB Notification: Performance of SimCode: time 1.783e-06/2.452, allocations: 3.938 kB / 0.9504 GB, free: 39.18 MB / 0.6823 GB Notification: Performance of Templates: time 0.1782/2.631, allocations: 71.74 MB / 1.02 GB, free: 15.61 MB / 0.7292 GB