Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000846/0.0008461, allocations: 91.84 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00582/0.00582, allocations: 170.7 kB / 16.26 MB, free: 6.676 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.332/1.332, allocations: 223.3 MB / 240.3 MB, free: 5.312 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001747/0.001747, allocations: 279 kB / 291.7 MB, free: 1.836 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.036/1.036, allocations: 169.5 MB / 0.5004 GB, free: 14.05 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004211/0.0004211, allocations: 17.59 kB / 0.5987 GB, free: 28.23 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1672/0.1676, allocations: 88.54 MB / 0.6851 GB, free: 15.02 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer): time 0.01655/0.1842, allocations: 16.43 MB / 0.7012 GB, free: 14.54 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.008702/0.1929, allocations: 6.048 MB / 0.7071 GB, free: 8.484 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001103/0.1941, allocations: 39.88 kB / 0.7071 GB, free: 8.445 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.0007835/0.1949, allocations: 311.7 kB / 0.7074 GB, free: 8.141 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.002287/0.1972, allocations: 0.9973 MB / 0.7084 GB, free: 7.141 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.001755/0.1989, allocations: 0.7795 MB / 0.7092 GB, free: 6.363 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005631/0.2046, allocations: 6.448 MB / 0.7155 GB, free: 15.9 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008884/0.2135, allocations: 6.785 MB / 0.7221 GB, free: 9.031 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002184/0.2157, allocations: 1.288 MB / 0.7233 GB, free: 7.738 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00302/0.2187, allocations: 1.943 MB / 0.7252 GB, free: 5.789 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0003734/0.2191, allocations: 188 kB / 0.7254 GB, free: 5.605 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00222/0.2213, allocations: 1.045 MB / 0.7264 GB, free: 4.559 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.00164/0.223, allocations: 1.446 MB / 0.7278 GB, free: 3.109 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.001637/0.2246, allocations: 1.39 MB / 0.7292 GB, free: 1.707 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.006663/0.2313, allocations: 6.126 MB / 0.7352 GB, free: 11.56 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.871e-06/0.2313, allocations: 0 / 0.7352 GB, free: 11.56 MB / 0.5294 GB Notification: Performance of FrontEnd: time 2.485e-06/0.2313, allocations: 0 / 0.7352 GB, free: 11.56 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0001436/0.2315, allocations: 0 / 0.7352 GB, free: 11.56 MB / 0.5294 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 789 * Number of variables: 789 Notification: Performance of Generate backend data structure: time 0.005534/0.237, allocations: 2.404 MB / 0.7375 GB, free: 9.098 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.619e-05/0.2371, allocations: 12.03 kB / 0.7375 GB, free: 9.086 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0111/0.2482, allocations: 2.014 MB / 0.7395 GB, free: 7.066 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003252/0.2515, allocations: 1.608 MB / 0.7411 GB, free: 5.422 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001741/0.2517, allocations: 222.3 kB / 0.7413 GB, free: 5.203 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006395/0.2523, allocations: 284.4 kB / 0.7416 GB, free: 4.926 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0122/0.2645, allocations: 5.77 MB / 0.7472 GB, free: 15.06 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.577e-05/0.2646, allocations: 0 / 0.7472 GB, free: 15.06 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003564/0.265, allocations: 124 kB / 0.7473 GB, free: 14.94 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003226/0.2653, allocations: 204.9 kB / 0.7475 GB, free: 14.74 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01348/0.2788, allocations: 5.819 MB / 0.7532 GB, free: 8.906 MB / 0.545 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 0.3605/0.6393, allocations: 22.85 MB / 0.7755 GB, free: 83.62 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.006865/0.6462, allocations: 2.512 MB / 0.778 GB, free: 83.17 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004822/0.6511, allocations: 1.632 MB / 0.7796 GB, free: 83.12 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000217/0.6513, allocations: 117.3 kB / 0.7797 GB, free: 83.02 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.661e-05/0.6514, allocations: 50.83 kB / 0.7797 GB, free: 82.98 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=116): time 4.368e-06/0.6514, allocations: 3.625 kB / 0.7797 GB, free: 82.98 MB / 0.5606 GB Notification: Performance of matching and sorting (n=146): time 0.03623/0.6876, allocations: 11.6 MB / 0.7911 GB, free: 80.25 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.447e-05/0.6878, allocations: 225.3 kB / 0.7913 GB, free: 79.99 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001335/0.6891, allocations: 1.041 MB / 0.7923 GB, free: 79.56 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0001929/0.6893, allocations: 51.14 kB / 0.7923 GB, free: 79.51 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005826/0.6899, allocations: 1.242 MB / 0.7935 GB, free: 78.56 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004052/0.6903, allocations: 0.5031 MB / 0.794 GB, free: 78.18 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00027/0.6906, allocations: 170.7 kB / 0.7942 GB, free: 78.09 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 6.804e-05/0.6906, allocations: 336.2 kB / 0.7945 GB, free: 77.78 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004249/0.6949, allocations: 1.778 MB / 0.7963 GB, free: 77.28 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00498/0.6999, allocations: 2.473 MB / 0.7987 GB, free: 75.9 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009187/0.7091, allocations: 4.272 MB / 0.8028 GB, free: 73.63 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.933e-05/0.7092, allocations: 5.562 kB / 0.8029 GB, free: 73.63 MB / 0.5606 GB Notification: Performance of matching and sorting (n=274) (initialization): time 0.01286/0.7221, allocations: 5.097 MB / 0.8078 GB, free: 70.96 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004627/0.7226, allocations: 0.7315 MB / 0.8085 GB, free: 69.96 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.919e-05/0.7226, allocations: 22.19 kB / 0.8086 GB, free: 69.96 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002791/0.7254, allocations: 0.9003 MB / 0.8094 GB, free: 69.51 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003202/0.7286, allocations: 0.7517 MB / 0.8102 GB, free: 69.25 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01108/0.7397, allocations: 12.83 MB / 0.8227 GB, free: 58.17 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003503/0.7433, allocations: 472.5 kB / 0.8232 GB, free: 57.95 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002633/0.7436, allocations: 115 kB / 0.8233 GB, free: 57.91 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 8.586e-06/0.7436, allocations: 3.812 kB / 0.8233 GB, free: 57.91 MB / 0.5606 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01083/0.7544, allocations: 4.922 MB / 0.8281 GB, free: 55.33 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.316e-05/0.7545, allocations: 19.59 kB / 0.8281 GB, free: 55.33 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001996/0.7565, allocations: 0.7584 MB / 0.8288 GB, free: 54.92 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003089/0.7596, allocations: 0.7584 MB / 0.8296 GB, free: 54.3 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009841/0.7695, allocations: 12.66 MB / 0.8419 GB, free: 40.88 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00317/0.7727, allocations: 447.1 kB / 0.8424 GB, free: 40.45 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002306/0.7729, allocations: 116 kB / 0.8425 GB, free: 40.33 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 99 * 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 (232): * Single equations (assignments): 226 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002027/0.775, allocations: 1.293 MB / 0.8437 GB, free: 39.03 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003833/0.7754, allocations: 114.7 kB / 0.8439 GB, free: 38.91 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01012/0.7855, allocations: 4.383 MB / 0.8481 GB, free: 34.48 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.771e-05/0.7855, allocations: 16 kB / 0.8481 GB, free: 34.47 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.3e-05/0.7856, allocations: 11.94 kB / 0.8482 GB, free: 34.46 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.655e-05/0.7856, allocations: 11.97 kB / 0.8482 GB, free: 34.45 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0142/0.7998, allocations: 8.258 MB / 0.8562 GB, free: 26.01 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.352e-05/0.7998, allocations: 12.12 kB / 0.8562 GB, free: 26 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002294/0.8021, allocations: 0.5147 MB / 0.8567 GB, free: 25.48 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001953/0.8041, allocations: 0.7207 MB / 0.8575 GB, free: 24.75 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000125/0.8042, allocations: 43.97 kB / 0.8575 GB, free: 24.7 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01028/0.8145, allocations: 12.3 MB / 0.8695 GB, free: 11.64 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.822e-06/0.8146, allocations: 15.77 kB / 0.8695 GB, free: 11.63 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009552/0.8241, allocations: 4.225 MB / 0.8736 GB, free: 7.293 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000801/0.825, allocations: 491.4 kB / 0.8741 GB, free: 6.793 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000195/0.8252, allocations: 32 kB / 0.8741 GB, free: 6.762 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002398/0.8276, allocations: 395.3 kB / 0.8745 GB, free: 6.375 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003164/0.8279, allocations: 128.7 kB / 0.8746 GB, free: 6.246 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001186/0.828, allocations: 63.89 kB / 0.8747 GB, free: 6.184 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.0008745/0.8289, allocations: 0.7449 MB / 0.8754 GB, free: 5.445 MB / 0.5606 GB Notification: Performance of sort global known variables: time 1.5e-07/0.8289, allocations: 0 / 0.8754 GB, free: 5.445 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.003586/0.8325, allocations: 1.113 MB / 0.8765 GB, free: 4.332 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * 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 (101): * Single equations (assignments): 95 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002768/0.8328, allocations: 151 kB / 0.8767 GB, free: 4.172 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.01734/0.8501, allocations: 8.037 MB / 0.8845 GB, free: 11.99 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 1.192e-05/0.8502, allocations: 0 / 0.8845 GB, free: 11.99 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.006152/0.8564, allocations: 2.731 MB / 0.8872 GB, free: 9.191 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002142/0.8585, allocations: 185.9 kB / 0.8874 GB, free: 9.008 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02064/0.8792, allocations: 8.457 MB / 0.8956 GB, free: 464 kB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002394/0.8816, allocations: 2.285 MB / 0.8978 GB, free: 14.13 MB / 0.5919 GB Notification: Performance of simCode: alias equations: time 0.003769/0.8854, allocations: 1.229 MB / 0.899 GB, free: 12.9 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004973/0.8859, allocations: 127.3 kB / 0.8992 GB, free: 12.77 MB / 0.5919 GB Notification: Performance of SimCode: time 4.91e-07/0.8859, allocations: 0 / 0.8992 GB, free: 12.77 MB / 0.5919 GB Notification: Performance of Templates: time 0.04757/0.9335, allocations: 30.73 MB / 0.9292 GB, free: 14.18 MB / 0.6231 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Transformer.pipe 2>&1)