Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadModel(Buildings): time 3.73/3.73, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.226e-05/3.261e-05, allocations: 4 kB / 0.501 GB, free: 8.211 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.198/0.198, 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.BalancedStepDown.YD): time 0.5022/0.7003, allocations: 15.7 MB / 0.6068 GB, free: 5.543 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01356/0.7139, allocations: 5.863 MB / 0.6126 GB, free: 3.781 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00217/0.7161, allocations: 60.81 kB / 0.6126 GB, free: 3.773 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.001871/0.718, allocations: 421.3 kB / 0.613 GB, free: 3.551 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.004177/0.7222, allocations: 0.7225 MB / 0.6137 GB, free: 3.191 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.003928/0.7262, allocations: 0.7639 MB / 0.6145 GB, free: 2.832 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.004882/0.7312, allocations: 1.752 MB / 0.6162 GB, free: 1.793 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01565/0.7469, allocations: 6.911 MB / 0.6229 GB, free: 15.1 MB / 0.5105 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003011/0.7499, allocations: 1.022 MB / 0.6239 GB, free: 14.68 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004574/0.7545, allocations: 1.49 MB / 0.6254 GB, free: 14.17 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003392/0.758, allocations: 0.5715 MB / 0.6259 GB, free: 14.05 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001452/0.7595, allocations: 164.6 kB / 0.6261 GB, free: 14.05 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.003766/0.7633, allocations: 1.579 MB / 0.6276 GB, free: 13.62 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.002379/0.7657, allocations: 269.1 kB / 0.6279 GB, free: 13.62 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.0119/0.7776, allocations: 6.367 MB / 0.6341 GB, free: 10.6 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 4.088e-06/0.7777, allocations: 0 / 0.6341 GB, free: 10.6 MB / 0.5105 GB Notification: Performance of FrontEnd: time 6.402e-06/0.7777, allocations: 0 / 0.6341 GB, free: 10.6 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002339/0.7779, allocations: 5.156 kB / 0.6341 GB, free: 10.6 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01223/0.7902, allocations: 2.942 MB / 0.637 GB, free: 8.637 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.669e-05/0.7903, allocations: 9.031 kB / 0.637 GB, free: 8.637 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02447/0.8147, allocations: 2.429 MB / 0.6394 GB, free: 7.496 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008583/0.8234, allocations: 2.119 MB / 0.6414 GB, free: 6.18 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004184/0.8239, allocations: 268.9 kB / 0.6417 GB, free: 6.055 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002195/0.8261, allocations: 343.7 kB / 0.642 GB, free: 5.941 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02826/0.8544, allocations: 7.044 MB / 0.6489 GB, free: 1.895 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001289/0.8545, allocations: 3.938 kB / 0.6489 GB, free: 1.891 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001036/0.8556, allocations: 151.4 kB / 0.649 GB, free: 1.773 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007855/0.8564, allocations: 334.8 kB / 0.6494 GB, free: 1.676 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02865/0.8851, allocations: 6.969 MB / 0.6562 GB, free: 12.21 MB / 0.5261 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05249/0.9376, allocations: 20.37 MB / 0.6761 GB, free: 7.207 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01536/0.953, allocations: 4.931 MB / 0.6809 GB, free: 1.977 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005212/0.9536, allocations: 135 kB / 0.681 GB, free: 1.828 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.882e-05/0.9537, allocations: 56.56 kB / 0.6811 GB, free: 1.766 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=208): time 5.38e-06/0.9537, allocations: 0 / 0.6811 GB, free: 1.766 MB / 0.5417 GB Notification: Performance of matching and sorting (n=277): time 0.1888/1.143, allocations: 28.16 MB / 0.7086 GB, free: 5.477 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001439/1.143, allocations: 243.5 kB / 0.7088 GB, free: 5.188 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003205/1.146, allocations: 1.249 MB / 0.71 GB, free: 3.93 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0007638/1.147, allocations: 69.7 kB / 0.7101 GB, free: 3.855 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.00165/1.148, allocations: 1.47 MB / 0.7115 GB, free: 2.363 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001799/1.15, allocations: 0.9396 MB / 0.7124 GB, free: 1.41 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005211/1.151, allocations: 72 kB / 0.7125 GB, free: 1.34 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0003383/1.151, allocations: 436.8 kB / 0.7129 GB, free: 0.9062 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01124/1.162, allocations: 2.61 MB / 0.7155 GB, free: 14.29 MB / 0.5886 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0123/1.175, allocations: 3.494 MB / 0.7189 GB, free: 10.42 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01238/1.187, allocations: 3.065 MB / 0.7219 GB, free: 7.336 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.304e-05/1.187, allocations: 8 kB / 0.7219 GB, free: 7.328 MB / 0.5886 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.047/1.234, allocations: 10.11 MB / 0.7317 GB, free: 13.16 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 0.005293/1.24, allocations: 10.37 MB / 0.7419 GB, free: 1.973 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.421e-05/1.24, allocations: 24 kB / 0.7419 GB, free: 1.949 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03103/1.271, allocations: 5.018 MB / 0.7468 GB, free: 12.91 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008522/1.279, allocations: 0.975 MB / 0.7477 GB, free: 11.94 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04496/1.324, allocations: 15.37 MB / 0.7628 GB, free: 12.4 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007784/1.332, allocations: 0.5457 MB / 0.7633 GB, free: 11.85 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0011/1.333, allocations: 148 kB / 0.7634 GB, free: 11.71 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.982e-05/1.333, allocations: 4 kB / 0.7634 GB, free: 11.7 MB / 0.6355 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.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2] 3 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_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.v3_n[2] ; line2.v2_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv2.V2[2] ; -transformer.conv3.V2[2] ] might be structurally or numerically singular for variable line2.v2_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.conv2.V2[1] = line2.v2_n[1] - line2.v3_n[1] 3 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v3_n[1] ; line2.v2_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv2.V2[1] ; -transformer.conv3.V2[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03991/1.373, allocations: 9.232 MB / 0.7725 GB, free: 2.25 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001104/1.374, allocations: 28 kB / 0.7725 GB, free: 2.223 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0187/1.392, allocations: 3.038 MB / 0.7754 GB, free: 15.17 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01012/1.402, allocations: 1.119 MB / 0.7765 GB, free: 14.05 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04552/1.448, allocations: 24.44 MB / 0.8004 GB, free: 4.688 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007465/1.456, allocations: 0.5146 MB / 0.8009 GB, free: 4.172 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001001/1.457, allocations: 159.9 kB / 0.8011 GB, free: 4.016 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 0.004748/1.461, allocations: 1.488 MB / 0.8025 GB, free: 2.516 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008651/1.462, allocations: 197.6 kB / 0.8027 GB, free: 2.32 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04565/1.508, allocations: 9.406 MB / 0.8119 GB, free: 8.836 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.487e-05/1.508, allocations: 15.95 kB / 0.8119 GB, free: 8.82 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.71e-05/1.508, allocations: 7.984 kB / 0.8119 GB, free: 8.812 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003118/1.511, allocations: 0.7171 MB / 0.8126 GB, free: 8.074 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009334/1.512, allocations: 48 kB / 0.8127 GB, free: 8.027 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007129/1.519, allocations: 483.2 kB / 0.8131 GB, free: 7.555 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001257/1.521, allocations: 313.4 kB / 0.8134 GB, free: 7.246 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.04389/1.565, allocations: 9.171 MB / 0.8224 GB, free: 14 MB / 0.698 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.03223/1.597, allocations: 8.831 MB / 0.831 GB, free: 5.059 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01052/1.607, allocations: 2.584 MB / 0.8335 GB, free: 2.457 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.00231/1.61, allocations: 0.941 MB / 0.8344 GB, free: 1.512 MB / 0.698 GB Notification: Performance of Backend: time 8.12e-07/1.61, allocations: 0 / 0.8344 GB, free: 1.512 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02224/1.632, allocations: 4.738 MB / 0.8391 GB, free: 12.75 MB / 0.7136 GB Notification: Performance of SimCode: time 0.01889/1.651, allocations: 8.482 MB / 0.8473 GB, free: 4.234 MB / 0.7136 GB Notification: Performance of Templates: time 0.6778/2.329, allocations: 55.1 MB / 0.9012 GB, free: 244.2 MB / 0.7448 GB