Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.824/1.824, allocations: 292.6 MB / 307.5 MB, free: 5.199 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001771/0.001771, allocations: 176.9 kB / 377.1 MB, free: 1.555 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.081/2.081, allocations: 205.4 MB / 0.6367 GB, free: 8.578 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001066/0.001065, allocations: 97.81 kB / 0.751 GB, free: 63.15 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004163/0.0004162, allocations: 15.98 kB / 0.8748 GB, free: 11.18 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3372/0.3377, allocations: 116.3 MB / 0.9884 GB, free: 6.719 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9211/1.259, allocations: 201.3 MB / 1.185 GB, free: 13.17 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003061/1.259, allocations: 119.9 kB / 1.185 GB, free: 13.05 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3816/1.641, allocations: 150.3 MB / 1.332 GB, free: 5.41 MB / 0.9011 GB Notification: Performance of FrontEnd: time 2.455e-06/1.641, allocations: 0 / 1.332 GB, free: 5.41 MB / 0.9011 GB Notification: Performance of Transformations before backend: time 0.0001686/1.641, allocations: 72 kB / 1.332 GB, free: 5.34 MB / 0.9011 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 0.01215/1.653, allocations: 3.135 MB / 1.335 GB, free: 2.148 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 5.033e-05/1.653, allocations: 8.031 kB / 1.335 GB, free: 2.141 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01374/1.667, allocations: 2.227 MB / 1.337 GB, free: 15.9 MB / 0.9167 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007134/1.674, allocations: 2.197 MB / 1.339 GB, free: 13.66 MB / 0.9167 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002804/1.675, allocations: 263.1 kB / 1.34 GB, free: 13.4 MB / 0.9167 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001798/1.676, allocations: 352 kB / 1.34 GB, free: 13.06 MB / 0.9167 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01795/1.694, allocations: 6.542 MB / 1.346 GB, free: 6.414 MB / 0.9167 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001042/1.694, allocations: 8.938 kB / 1.346 GB, free: 6.406 MB / 0.9167 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007684/1.695, allocations: 152 kB / 1.346 GB, free: 6.258 MB / 0.9167 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005069/1.696, allocations: 302.1 kB / 1.347 GB, free: 5.961 MB / 0.9167 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01698/1.713, allocations: 6.445 MB / 1.353 GB, free: 15.5 MB / 0.9323 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4874/2.2, allocations: 26.78 MB / 1.379 GB, free: 182.7 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007178/2.207, allocations: 4.993 MB / 1.384 GB, free: 181.1 MB / 0.9323 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002293/2.208, allocations: 132.9 kB / 1.384 GB, free: 181 MB / 0.9323 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.503e-05/2.208, allocations: 62.66 kB / 1.384 GB, free: 180.9 MB / 0.9323 GB Notification: Performance of pre-optimization done (n=208): time 3.757e-06/2.208, allocations: 0 / 1.384 GB, free: 180.9 MB / 0.9323 GB Notification: Performance of matching and sorting (n=277): time 0.1298/2.337, allocations: 30.13 MB / 1.414 GB, free: 177.8 MB / 0.9323 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.682e-05/2.338, allocations: 240.3 kB / 1.414 GB, free: 177.5 MB / 0.9323 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002963/2.341, allocations: 1.313 MB / 1.415 GB, free: 177.3 MB / 0.9323 GB Notification: Performance of collectPreVariables (initialization): time 0.0007213/2.341, allocations: 70.92 kB / 1.415 GB, free: 177.3 MB / 0.9323 GB Notification: Performance of collectInitialEqns (initialization): time 0.001101/2.342, allocations: 1.502 MB / 1.417 GB, free: 176.7 MB / 0.9323 GB Notification: Performance of collectInitialBindings (initialization): time 0.001336/2.344, allocations: 0.9391 MB / 1.418 GB, free: 176.1 MB / 0.9323 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003659/2.344, allocations: 67.47 kB / 1.418 GB, free: 176.1 MB / 0.9323 GB Notification: Performance of setup shared object (initialization): time 0.0002323/2.344, allocations: 442.9 kB / 1.418 GB, free: 175.8 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007961/2.352, allocations: 2.605 MB / 1.421 GB, free: 175.8 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005906/2.358, allocations: 3.505 MB / 1.424 GB, free: 174.8 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005616/2.364, allocations: 3.051 MB / 1.427 GB, free: 174.7 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.75e-05/2.364, allocations: 13.41 kB / 1.427 GB, free: 174.7 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02033/2.384, allocations: 9.16 MB / 1.436 GB, free: 174.4 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 0.001773/2.386, allocations: 10.62 MB / 1.446 GB, free: 163.2 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.019e-05/2.386, allocations: 28.94 kB / 1.446 GB, free: 163.2 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02197/2.408, allocations: 6.242 MB / 1.453 GB, free: 163.1 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003784/2.412, allocations: 0.875 MB / 1.453 GB, free: 163.1 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02081/2.433, allocations: 15.32 MB / 1.468 GB, free: 161.1 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004473/2.437, allocations: 0.5354 MB / 1.469 GB, free: 161 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000602/2.438, allocations: 173.1 kB / 1.469 GB, free: 161 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 1.455e-05/2.438, allocations: 10.28 kB / 1.469 GB, free: 161 MB / 0.9323 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 0.02174/2.46, allocations: 9.32 MB / 1.478 GB, free: 159.4 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000137/2.46, allocations: 27.5 kB / 1.478 GB, free: 159.4 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01354/2.473, allocations: 3.517 MB / 1.482 GB, free: 158.9 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005121/2.479, allocations: 1.024 MB / 1.483 GB, free: 158.8 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02297/2.502, allocations: 24.42 MB / 1.506 GB, free: 141.3 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004261/2.506, allocations: 0.5134 MB / 1.507 GB, free: 141.3 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005537/2.506, allocations: 170.4 kB / 1.507 GB, free: 141.2 MB / 0.9323 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 122 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked 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 {(10,74.0%) 50} * Non-linear torn systems: 1 {10 50} Notification: Performance of prepare postOptimizeDAE: time 0.00299/2.509, allocations: 1.577 MB / 1.509 GB, free: 140.5 MB / 0.9323 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006534/2.51, allocations: 205 kB / 1.509 GB, free: 140.4 MB / 0.9323 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01876/2.529, allocations: 8.693 MB / 1.517 GB, free: 137.9 MB / 0.9323 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.269e-05/2.529, allocations: 26.94 kB / 1.517 GB, free: 137.9 MB / 0.9323 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.105e-05/2.529, allocations: 14.25 kB / 1.517 GB, free: 137.9 MB / 0.9323 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.727e-05/2.529, allocations: 14.81 kB / 1.517 GB, free: 137.9 MB / 0.9323 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02774/2.557, allocations: 14.33 MB / 1.531 GB, free: 132.8 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.164e-05/2.557, allocations: 4.125 kB / 1.531 GB, free: 132.8 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002895/2.56, allocations: 0.6217 MB / 1.532 GB, free: 132.8 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02168/2.581, allocations: 6.02 MB / 1.538 GB, free: 132.1 MB / 0.9323 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005936/2.582, allocations: 85.88 kB / 1.538 GB, free: 132 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01905/2.601, allocations: 14.95 MB / 1.553 GB, free: 125.2 MB / 0.9323 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.903e-06/2.601, allocations: 9.781 kB / 1.553 GB, free: 125.2 MB / 0.9323 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01844/2.62, allocations: 9.108 MB / 1.561 GB, free: 121.5 MB / 0.9323 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002028/2.622, allocations: 0.7454 MB / 1.562 GB, free: 121.1 MB / 0.9323 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004749/2.622, allocations: 56.19 kB / 1.562 GB, free: 121.1 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003194/2.625, allocations: 492.3 kB / 1.563 GB, free: 121 MB / 0.9323 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000635/2.626, allocations: 215.9 kB / 1.563 GB, free: 121 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002696/2.626, allocations: 113.4 kB / 1.563 GB, free: 121 MB / 0.9323 GB Notification: Performance of sorting global known variables: time 0.001284/2.628, allocations: 0.997 MB / 1.564 GB, free: 120.6 MB / 0.9323 GB Notification: Performance of sort global known variables: time 6.92e-07/2.628, allocations: 0 / 1.564 GB, free: 120.6 MB / 0.9323 GB Notification: Performance of remove unused functions: time 0.005597/2.633, allocations: 1.702 MB / 1.566 GB, free: 120.4 MB / 0.9323 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 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (162): * Single equations (assignments): 160 * 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 {(10,73.0%) 50} * Non-linear torn systems: 1 {10 50} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004442/2.634, allocations: 198.2 kB / 1.566 GB, free: 120.3 MB / 0.9323 GB Notification: Performance of simCode: created initialization part: time 0.02119/2.655, allocations: 11.48 MB / 1.577 GB, free: 116.4 MB / 0.9323 GB Notification: Performance of simCode: created event and clocks part: time 1.325e-05/2.655, allocations: 0 / 1.577 GB, free: 116.4 MB / 0.9323 GB Notification: Performance of simCode: created simulation system equations: time 0.008128/2.663, allocations: 3.834 MB / 1.581 GB, free: 115.3 MB / 0.9323 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001826/2.665, allocations: 223.7 kB / 1.581 GB, free: 115.2 MB / 0.9323 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02086/2.686, allocations: 10.78 MB / 1.592 GB, free: 110.6 MB / 0.9323 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002492/2.688, allocations: 2.85 MB / 1.594 GB, free: 108.5 MB / 0.9323 GB Notification: Performance of simCode: alias equations: time 0.004677/2.693, allocations: 1.668 MB / 1.596 GB, free: 107.4 MB / 0.9323 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005829/2.694, allocations: 165.6 kB / 1.596 GB, free: 107.3 MB / 0.9323 GB Notification: Performance of SimCode: time 8.01e-07/2.694, allocations: 0 / 1.596 GB, free: 107.3 MB / 0.9323 GB Notification: Performance of Templates: time 0.07707/2.771, allocations: 61.81 MB / 1.656 GB, free: 53.3 MB / 0.9323 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)