Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadModel(Buildings): time 3.859/3.859, allocations: 402 MB / 416.6 MB, free: 10.19 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 4.209e-05/4.215e-05, allocations: 7.984 kB / 0.501 GB, free: 8.195 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1976/0.1977, allocations: 92.68 MB / 0.5915 GB, free: 11.34 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.4924/0.6902, allocations: 15.69 MB / 0.6068 GB, free: 5.512 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.01358/0.7038, allocations: 5.863 MB / 0.6125 GB, free: 3.766 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002237/0.7061, allocations: 61 kB / 0.6126 GB, free: 3.758 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.001975/0.7081, allocations: 421.9 kB / 0.613 GB, free: 3.535 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.004173/0.7123, allocations: 0.7124 MB / 0.6137 GB, free: 3.191 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.003872/0.7163, allocations: 0.7703 MB / 0.6145 GB, free: 2.824 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.005148/0.7214, allocations: 1.748 MB / 0.6162 GB, free: 1.789 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01549/0.737, allocations: 6.913 MB / 0.6229 GB, free: 15.1 MB / 0.5105 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003088/0.7401, allocations: 1.016 MB / 0.6239 GB, free: 14.68 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004672/0.7449, allocations: 1.485 MB / 0.6254 GB, free: 14.17 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003605/0.7485, allocations: 0.5785 MB / 0.6259 GB, free: 14.05 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001557/0.7501, allocations: 164.2 kB / 0.6261 GB, free: 14.05 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.003873/0.754, allocations: 1.576 MB / 0.6276 GB, free: 13.62 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.002385/0.7564, allocations: 274.4 kB / 0.6279 GB, free: 13.62 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01568/0.7721, allocations: 6.381 MB / 0.6341 GB, free: 10.6 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 5.249e-06/0.7722, allocations: 1.375 kB / 0.6341 GB, free: 10.6 MB / 0.5105 GB Notification: Performance of FrontEnd: time 3.226e-06/0.7722, allocations: 0 / 0.6341 GB, free: 10.6 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0002348/0.7725, allocations: 0 / 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 0.01574/0.7882, allocations: 2.947 MB / 0.637 GB, free: 8.633 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 6.422e-05/0.7883, allocations: 12.41 kB / 0.637 GB, free: 8.629 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03416/0.8225, allocations: 2.429 MB / 0.6394 GB, free: 7.492 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01074/0.8333, allocations: 2.119 MB / 0.6414 GB, free: 6.176 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004689/0.8338, allocations: 264.8 kB / 0.6417 GB, free: 6.055 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002315/0.8361, allocations: 352 kB / 0.642 GB, free: 5.934 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0269/0.8631, allocations: 7.047 MB / 0.6489 GB, free: 1.883 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.00012/0.8632, allocations: 3.938 kB / 0.6489 GB, free: 1.879 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008624/0.8641, allocations: 143.4 kB / 0.6491 GB, free: 1.77 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007579/0.8649, allocations: 333.2 kB / 0.6494 GB, free: 1.676 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03507/0.9, allocations: 6.963 MB / 0.6562 GB, free: 12.2 MB / 0.5261 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05212/0.9521, allocations: 20.37 MB / 0.6761 GB, free: 7.188 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01466/0.9668, allocations: 4.928 MB / 0.6809 GB, free: 1.961 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004457/0.9673, allocations: 131 kB / 0.681 GB, free: 1.816 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.069e-05/0.9674, allocations: 68.48 kB / 0.6811 GB, free: 1.742 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=208): time 5.27e-06/0.9674, allocations: 0 / 0.6811 GB, free: 1.742 MB / 0.5417 GB Notification: Performance of matching and sorting (n=277): time 0.1773/1.145, allocations: 28.07 MB / 0.7085 GB, free: 5.539 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001729/1.145, allocations: 239.6 kB / 0.7087 GB, free: 5.254 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004113/1.149, allocations: 1.249 MB / 0.7099 GB, free: 3.996 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.000942/1.15, allocations: 69.7 kB / 0.71 GB, free: 3.922 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001979/1.152, allocations: 1.474 MB / 0.7114 GB, free: 2.426 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.002154/1.154, allocations: 0.9357 MB / 0.7124 GB, free: 1.477 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006438/1.155, allocations: 68 kB / 0.7124 GB, free: 1.41 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0004397/1.155, allocations: 444.8 kB / 0.7128 GB, free: 0.9688 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01502/1.17, allocations: 2.61 MB / 0.7154 GB, free: 14.36 MB / 0.5886 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01636/1.187, allocations: 3.498 MB / 0.7188 GB, free: 10.48 MB / 0.5886 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01654/1.203, allocations: 3.061 MB / 0.7218 GB, free: 7.398 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.341e-05/1.203, allocations: 8 kB / 0.7218 GB, free: 7.391 MB / 0.5886 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.05028/1.254, allocations: 10.1 MB / 0.7317 GB, free: 13.23 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 0.004058/1.258, allocations: 10.36 MB / 0.7418 GB, free: 2.043 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.749e-05/1.258, allocations: 28 kB / 0.7418 GB, free: 2.016 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0304/1.288, allocations: 5.014 MB / 0.7467 GB, free: 12.98 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008417/1.297, allocations: 0.9789 MB / 0.7477 GB, free: 12 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04107/1.338, allocations: 15.37 MB / 0.7627 GB, free: 12.47 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007438/1.345, allocations: 0.5379 MB / 0.7632 GB, free: 11.93 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000606/1.346, allocations: 151.9 kB / 0.7633 GB, free: 11.78 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.622e-05/1.346, allocations: 4 kB / 0.7634 GB, free: 11.78 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 0.03755/1.384, allocations: 9.241 MB / 0.7724 GB, free: 2.316 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001127/1.384, allocations: 28 kB / 0.7724 GB, free: 2.289 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01819/1.402, allocations: 3.034 MB / 0.7754 GB, free: 15.23 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009877/1.412, allocations: 1.123 MB / 0.7765 GB, free: 14.11 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04963/1.462, allocations: 24.45 MB / 0.8003 GB, free: 4.738 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00732/1.469, allocations: 0.5147 MB / 0.8008 GB, free: 4.223 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007135/1.47, allocations: 155.9 kB / 0.801 GB, free: 4.07 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 0.004184/1.474, allocations: 1.492 MB / 0.8024 GB, free: 2.566 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008003/1.475, allocations: 189.7 kB / 0.8026 GB, free: 2.379 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04839/1.523, allocations: 9.41 MB / 0.8118 GB, free: 8.891 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.817e-05/1.523, allocations: 11.95 kB / 0.8118 GB, free: 8.879 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.127e-05/1.523, allocations: 0 / 0.8118 GB, free: 8.879 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002853/1.526, allocations: 0.721 MB / 0.8125 GB, free: 8.137 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007686/1.527, allocations: 48 kB / 0.8126 GB, free: 8.09 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006957/1.534, allocations: 491.2 kB / 0.813 GB, free: 7.609 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001214/1.535, allocations: 309.4 kB / 0.8133 GB, free: 7.305 MB / 0.6823 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0602/1.595, allocations: 9.167 MB / 0.8223 GB, free: 14.06 MB / 0.698 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.03482/1.63, allocations: 8.819 MB / 0.8309 GB, free: 5.129 MB / 0.698 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01061/1.641, allocations: 2.584 MB / 0.8334 GB, free: 2.527 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.002306/1.643, allocations: 0.9449 MB / 0.8344 GB, free: 1.578 MB / 0.698 GB Notification: Performance of Backend: time 1.924e-06/1.643, allocations: 4 kB / 0.8344 GB, free: 1.574 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02277/1.666, allocations: 4.74 MB / 0.839 GB, free: 12.82 MB / 0.7136 GB Notification: Performance of SimCode: time 0.01982/1.686, allocations: 8.468 MB / 0.8473 GB, free: 4.312 MB / 0.7136 GB Notification: Performance of Templates: time 0.6675/2.354, allocations: 55.2 MB / 0.9012 GB, free: 244.1 MB / 0.7448 GB