Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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 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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:
SCode: time 0.5033/0.5055, allocations: 80.81 MB / 0.5904 GB, free: 22.35 MB / 446.1 MB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N): time 0.01739/0.5229, allocations: 11.79 MB / 0.6019 GB, free: 10.98 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01088/0.5339, allocations: 5.685 MB / 0.6075 GB, free: 5.305 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002164/0.5361, allocations: 35.88 kB / 0.6075 GB, free: 5.27 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004356/0.5407, allocations: 1.042 MB / 0.6085 GB, free: 4.23 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003579/0.5443, allocations: 0.6607 MB / 0.6092 GB, free: 3.566 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003515/0.5478, allocations: 0.9664 MB / 0.6101 GB, free: 2.598 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.004196/0.552, allocations: 2.512 MB / 0.6126 GB, free: 84 kB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00763/0.5597, allocations: 3.837 MB / 0.6163 GB, free: 12.21 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003449/0.5632, allocations: 1.165 MB / 0.6175 GB, free: 11.04 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003309/0.5665, allocations: 1.313 MB / 0.6187 GB, free: 9.723 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0009329/0.5675, allocations: 252 kB / 0.619 GB, free: 9.477 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001931/0.5694, allocations: 0.5306 MB / 0.6195 GB, free: 8.945 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001653/0.5711, allocations: 0.9162 MB / 0.6204 GB, free: 8.027 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002862/0.574, allocations: 1.027 MB / 0.6214 GB, free: 6.996 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.005606/0.5796, allocations: 3.736 MB / 0.6251 GB, free: 3.25 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 7.033e-06/0.5796, allocations: 4 kB / 0.6251 GB, free: 3.246 MB / 462.1 MB Notification: Performance of FrontEnd: time 4.037e-06/0.5796, allocations: 0 / 0.6251 GB, free: 3.246 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.000107/0.5798, allocations: 0 / 0.6251 GB, free: 3.246 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 419 * Number of variables: 419 Notification: Performance of Generate backend data structure: time 0.005538/0.5853, allocations: 2.065 MB / 0.6271 GB, free: 1.125 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.535e-05/0.5854, allocations: 8.031 kB / 0.6271 GB, free: 1.117 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003187/0.5886, allocations: 0.6855 MB / 0.6278 GB, free: 440 kB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002715/0.5913, allocations: 1.181 MB / 0.6289 GB, free: 15.21 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001182/0.5915, allocations: 119.5 kB / 0.629 GB, free: 15.09 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004418/0.5919, allocations: 164.1 kB / 0.6292 GB, free: 14.93 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005799/0.5977, allocations: 2.904 MB / 0.632 GB, free: 11.96 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.645e-05/0.5978, allocations: 11.84 kB / 0.632 GB, free: 11.95 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002069/0.598, allocations: 67.98 kB / 0.6321 GB, free: 11.88 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003894/0.5984, allocations: 171 kB / 0.6323 GB, free: 11.71 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004336/0.6028, allocations: 2.467 MB / 0.6347 GB, free: 9.242 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01404/0.6168, allocations: 8.229 MB / 0.6427 GB, free: 0.7344 MB / 478.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001638/0.6186, allocations: 0.9119 MB / 0.6436 GB, free: 15.78 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007612/0.6194, allocations: 0.4973 MB / 0.6441 GB, free: 15.28 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001695/0.6195, allocations: 97.45 kB / 0.6442 GB, free: 15.16 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.975e-05/0.6196, allocations: 38.94 kB / 0.6442 GB, free: 15.12 MB / 494.1 MB Notification: Performance of pre-optimization done (n=46): time 6.001e-06/0.6196, allocations: 7.938 kB / 0.6442 GB, free: 15.11 MB / 494.1 MB Notification: Performance of matching and sorting (n=70): time 0.02824/0.6478, allocations: 7.693 MB / 0.6517 GB, free: 7.344 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001052/0.648, allocations: 63.91 kB / 0.6518 GB, free: 7.27 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001821/0.6499, allocations: 0.9297 MB / 0.6527 GB, free: 6.328 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002076/0.6501, allocations: 41.7 kB / 0.6527 GB, free: 6.281 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.000653/0.6507, allocations: 0.7619 MB / 0.6535 GB, free: 5.508 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003071/0.6511, allocations: 248.5 kB / 0.6537 GB, free: 5.262 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004219/0.6515, allocations: 210.8 kB / 0.6539 GB, free: 5.051 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0002516/0.6517, allocations: 394.8 kB / 0.6543 GB, free: 4.656 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001338/0.6531, allocations: 0.7867 MB / 0.6551 GB, free: 3.867 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001554/0.6547, allocations: 1.128 MB / 0.6562 GB, free: 2.582 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002808/0.6575, allocations: 1.962 MB / 0.6581 GB, free: 476 kB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.607e-06/0.6575, allocations: 4 kB / 0.6581 GB, free: 472 kB / 494.1 MB Notification: Performance of matching and sorting (n=127) (initialization): time 0.01028/0.6678, allocations: 3.608 MB / 0.6616 GB, free: 12.84 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 5.755e-05/0.6679, allocations: 13.88 kB / 0.6616 GB, free: 12.82 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.548e-05/0.668, allocations: 12.38 kB / 0.6616 GB, free: 12.81 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007868/0.6758, allocations: 1.911 MB / 0.6635 GB, free: 10.89 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001261/0.6771, allocations: 219.6 kB / 0.6637 GB, free: 10.68 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01791/0.6951, allocations: 10.58 MB / 0.674 GB, free: 15.83 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001562/0.6967, allocations: 183.6 kB / 0.6742 GB, free: 15.65 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001053/0.6968, allocations: 44 kB / 0.6743 GB, free: 15.61 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002557/0.6994, allocations: 1.498 MB / 0.6757 GB, free: 14.11 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001409/0.7008, allocations: 1.108 MB / 0.6768 GB, free: 12.84 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002581/0.7034, allocations: 1.904 MB / 0.6787 GB, free: 10.79 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.837e-06/0.7034, allocations: 4 kB / 0.6787 GB, free: 10.79 MB / 0.5137 GB Notification: Performance of matching and sorting (n=127) (initialization_lambda0): time 0.007642/0.7111, allocations: 3.045 MB / 0.6816 GB, free: 7.727 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 2.536e-05/0.7111, allocations: 8 kB / 0.6816 GB, free: 7.719 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.494e-05/0.7111, allocations: 12 kB / 0.6817 GB, free: 7.707 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004789/0.7159, allocations: 1.209 MB / 0.6828 GB, free: 6.496 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001241/0.7172, allocations: 267.6 kB / 0.6831 GB, free: 6.234 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008781/0.726, allocations: 5.856 MB / 0.6888 GB, free: 248 kB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001514/0.7275, allocations: 167.6 kB / 0.689 GB, free: 80 kB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.586e-05/0.7277, allocations: 51.98 kB / 0.689 GB, free: 28 kB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * 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 (97): * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(4,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0004193/0.7281, allocations: 243.9 kB / 0.6892 GB, free: 15.78 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001976/0.7283, allocations: 82.97 kB / 0.6893 GB, free: 15.7 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008419/0.7367, allocations: 3.148 MB / 0.6924 GB, free: 12.52 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.057e-05/0.7368, allocations: 8 kB / 0.6924 GB, free: 12.51 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.125e-06/0.7368, allocations: 4 kB / 0.6924 GB, free: 12.51 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.423e-05/0.7368, allocations: 3.984 kB / 0.6924 GB, free: 12.5 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01141/0.7482, allocations: 5.181 MB / 0.6975 GB, free: 7.234 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.213e-05/0.7483, allocations: 4.25 kB / 0.6975 GB, free: 7.23 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004615/0.7487, allocations: 99.84 kB / 0.6976 GB, free: 7.133 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.006543/0.7553, allocations: 1.725 MB / 0.6993 GB, free: 5.402 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001194/0.7554, allocations: 16 kB / 0.6993 GB, free: 5.387 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01386/0.7693, allocations: 9.988 MB / 0.709 GB, free: 11.12 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.819e-06/0.7693, allocations: 4 kB / 0.709 GB, free: 11.11 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008011/0.7774, allocations: 3.03 MB / 0.712 GB, free: 8.035 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008191/0.7782, allocations: 323.9 kB / 0.7123 GB, free: 7.699 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001533/0.7784, allocations: 12 kB / 0.7123 GB, free: 7.688 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008843/0.7793, allocations: 135.7 kB / 0.7124 GB, free: 7.555 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000324/0.7796, allocations: 64.47 kB / 0.7125 GB, free: 7.492 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.776e-05/0.7797, allocations: 20 kB / 0.7125 GB, free: 7.473 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.0009071/0.7806, allocations: 0.659 MB / 0.7132 GB, free: 6.816 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.41e-07/0.7806, allocations: 0 / 0.7132 GB, free: 6.816 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.002316/0.7829, allocations: 0.6523 MB / 0.7138 GB, free: 6.164 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 (42): * Single equations (assignments): 40 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(4,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,12)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002763/0.7832, allocations: 127.1 kB / 0.7139 GB, free: 6.031 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.006548/0.7898, allocations: 3.69 MB / 0.7175 GB, free: 2.305 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 6.853e-06/0.7898, allocations: 0 / 0.7175 GB, free: 2.305 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.002263/0.7921, allocations: 1.258 MB / 0.7188 GB, free: 1.023 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001717/0.7938, allocations: 287.3 kB / 0.719 GB, free: 0.7695 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006776/0.8006, allocations: 3.515 MB / 0.7225 GB, free: 13.19 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001992/0.8026, allocations: 1.73 MB / 0.7242 GB, free: 11.43 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.001514/0.8042, allocations: 0.5303 MB / 0.7247 GB, free: 10.89 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001648/0.8043, allocations: 55.44 kB / 0.7247 GB, free: 10.84 MB / 0.5606 GB Notification: Performance of SimCode: time 1.724e-06/0.8043, allocations: 0 / 0.7247 GB, free: 10.84 MB / 0.5606 GB Notification: Performance of Templates: time 0.4092/1.214, allocations: 30.48 MB / 0.7545 GB, free: 144.6 MB / 0.5762 GB make -j1 -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.makefile (rm -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe ; mkfifo Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe >> ../files/Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.sim & ./Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe 2>&1)