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 3.649/3.649, allocations: 402 MB / 416.6 MB, free: 10.19 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 2.934e-05/2.951e-05, allocations: 7.938 kB / 0.501 GB, free: 8.207 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1964/0.1965, allocations: 92.69 MB / 0.5915 GB, free: 11.35 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.5672/0.7638, allocations: 15.76 MB / 0.6069 GB, free: 5.535 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01332/0.7771, allocations: 5.925 MB / 0.6127 GB, free: 3.711 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002075/0.7793, allocations: 61.97 kB / 0.6127 GB, free: 3.703 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.001372/0.7807, allocations: 418.1 kB / 0.6131 GB, free: 3.484 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.003686/0.7844, allocations: 0.7242 MB / 0.6138 GB, free: 3.109 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.003842/0.7882, allocations: 0.7807 MB / 0.6146 GB, free: 2.738 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.004828/0.7931, allocations: 1.77 MB / 0.6163 GB, free: 1.688 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01522/0.8083, allocations: 6.933 MB / 0.6231 GB, free: 14.99 MB / 0.5105 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003062/0.8115, allocations: 1.016 MB / 0.6241 GB, free: 14.57 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004568/0.8161, allocations: 1.497 MB / 0.6256 GB, free: 14.06 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00352/0.8196, allocations: 0.5869 MB / 0.6261 GB, free: 13.94 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001499/0.8212, allocations: 164.6 kB / 0.6263 GB, free: 13.94 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.003703/0.8249, allocations: 1.581 MB / 0.6278 GB, free: 13.51 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.002279/0.8272, allocations: 272.2 kB / 0.6281 GB, free: 13.51 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01191/0.8392, allocations: 6.402 MB / 0.6343 GB, free: 10.45 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 3.467e-06/0.8392, allocations: 3.938 kB / 0.6343 GB, free: 10.44 MB / 0.5105 GB Notification: Performance of FrontEnd: time 2.996e-06/0.8392, allocations: 0 / 0.6343 GB, free: 10.44 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002164/0.8395, allocations: 0 / 0.6343 GB, free: 10.44 MB / 0.5105 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 0.01202/0.8515, allocations: 2.975 MB / 0.6373 GB, free: 8.457 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.666e-05/0.8516, allocations: 8.469 kB / 0.6373 GB, free: 8.457 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02473/0.8763, allocations: 2.439 MB / 0.6396 GB, free: 7.312 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008524/0.8849, allocations: 2.134 MB / 0.6417 GB, free: 5.988 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004036/0.8853, allocations: 262.6 kB / 0.642 GB, free: 5.871 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002176/0.8875, allocations: 354.8 kB / 0.6423 GB, free: 5.75 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02841/0.9159, allocations: 7.076 MB / 0.6492 GB, free: 1.684 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.00013/0.9161, allocations: 6.812 kB / 0.6492 GB, free: 1.68 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001046/0.9172, allocations: 142 kB / 0.6494 GB, free: 1.57 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008088/0.918, allocations: 333.4 kB / 0.6497 GB, free: 1.477 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03044/0.9485, allocations: 6.983 MB / 0.6565 GB, free: 11.86 MB / 0.5261 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0557/1.004, allocations: 20.45 MB / 0.6765 GB, free: 6.777 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01549/1.02, allocations: 4.929 MB / 0.6813 GB, free: 1.547 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005066/1.02, allocations: 135 kB / 0.6814 GB, free: 1.398 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.218e-05/1.02, allocations: 60.5 kB / 0.6815 GB, free: 1.332 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=208): time 5.36e-06/1.02, allocations: 0 / 0.6815 GB, free: 1.332 MB / 0.5417 GB Notification: Performance of matching and sorting (n=277): time 0.182/1.202, allocations: 28.13 MB / 0.7089 GB, free: 5.066 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000172/1.203, allocations: 243.6 kB / 0.7092 GB, free: 4.777 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00333/1.206, allocations: 1.283 MB / 0.7104 GB, free: 3.488 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0007365/1.207, allocations: 73.7 kB / 0.7105 GB, free: 3.41 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001582/1.208, allocations: 1.482 MB / 0.712 GB, free: 1.906 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001912/1.21, allocations: 0.9318 MB / 0.7129 GB, free: 0.9609 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005207/1.211, allocations: 68 kB / 0.7129 GB, free: 0.8945 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0003534/1.211, allocations: 440.8 kB / 0.7133 GB, free: 468 kB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01127/1.223, allocations: 2.61 MB / 0.7159 GB, free: 13.84 MB / 0.5886 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01241/1.235, allocations: 3.501 MB / 0.7193 GB, free: 9.965 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0123/1.247, allocations: 3.057 MB / 0.7223 GB, free: 6.887 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.985e-05/1.247, allocations: 8 kB / 0.7223 GB, free: 6.879 MB / 0.5886 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04676/1.294, allocations: 10.11 MB / 0.7322 GB, free: 12.7 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 0.005036/1.299, allocations: 10.36 MB / 0.7423 GB, free: 1.523 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.013e-05/1.299, allocations: 28 kB / 0.7423 GB, free: 1.496 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03123/1.331, allocations: 5.022 MB / 0.7472 GB, free: 12.46 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008554/1.339, allocations: 0.975 MB / 0.7482 GB, free: 11.48 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04477/1.384, allocations: 15.38 MB / 0.7632 GB, free: 11.94 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007617/1.392, allocations: 0.5379 MB / 0.7637 GB, free: 11.4 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007631/1.393, allocations: 155.9 kB / 0.7639 GB, free: 11.25 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.541e-05/1.393, allocations: 4 kB / 0.7639 GB, free: 11.25 MB / 0.6355 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 0.03985/1.433, allocations: 9.231 MB / 0.7729 GB, free: 1.797 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001136/1.433, allocations: 28.03 kB / 0.7729 GB, free: 1.77 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01859/1.451, allocations: 3.033 MB / 0.7759 GB, free: 14.72 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009972/1.461, allocations: 1.123 MB / 0.777 GB, free: 13.59 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07367/1.535, allocations: 24.46 MB / 0.8009 GB, free: 4.203 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007381/1.542, allocations: 0.5108 MB / 0.8014 GB, free: 3.691 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001211/1.544, allocations: 147.9 kB / 0.8015 GB, free: 3.547 MB / 0.6667 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 {10 50} Notification: Performance of prepare postOptimizeDAE: time 0.007131/1.551, allocations: 1.504 MB / 0.803 GB, free: 2.031 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001518/1.552, allocations: 193.6 kB / 0.8032 GB, free: 1.84 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04942/1.602, allocations: 9.403 MB / 0.8123 GB, free: 8.359 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001048/1.602, allocations: 15.95 kB / 0.8124 GB, free: 8.344 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.173e-05/1.602, allocations: 0 / 0.8124 GB, free: 8.344 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00305/1.605, allocations: 0.7287 MB / 0.8131 GB, free: 7.594 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008515/1.606, allocations: 47.95 kB / 0.8131 GB, free: 7.547 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006715/1.613, allocations: 491.2 kB / 0.8136 GB, free: 7.066 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001052/1.614, allocations: 309.4 kB / 0.8139 GB, free: 6.762 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.04321/1.657, allocations: 9.171 MB / 0.8228 GB, free: 13.52 MB / 0.698 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.0324/1.69, allocations: 8.831 MB / 0.8315 GB, free: 4.574 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01022/1.7, allocations: 2.584 MB / 0.834 GB, free: 1.973 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.00237/1.702, allocations: 0.9698 MB / 0.8349 GB, free: 1 MB / 0.698 GB Notification: Performance of Backend: time 7.31e-07/1.702, allocations: 0 / 0.8349 GB, free: 1 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02187/1.724, allocations: 4.743 MB / 0.8396 GB, free: 12.24 MB / 0.7136 GB Notification: Performance of SimCode: time 0.01925/1.743, allocations: 8.531 MB / 0.8479 GB, free: 3.664 MB / 0.7136 GB Notification: Performance of Templates: time 0.6557/2.399, allocations: 55.73 MB / 0.9023 GB, free: 242.3 MB / 0.7448 GB