Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/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) Running command: translateModel(Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource") translateModel(Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001361/0.001361, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001846/0.001846, allocations: 193.8 kB / 16.14 MB, free: 6.711 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.65/1.65, allocations: 205.1 MB / 222 MB, free: 4.762 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.595/1.595, allocations: 251.6 MB / 0.5088 GB, free: 3.398 MB / 414.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001448/0.001449, allocations: 67.91 kB / 0.6216 GB, free: 2.012 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9486/0.9501, allocations: 104.7 MB / 0.7238 GB, free: 13.18 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource): time 0.006848/0.957, allocations: 3.096 MB / 0.7268 GB, free: 10.06 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.003531/0.9606, allocations: 1.785 MB / 0.7286 GB, free: 8.266 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002119/0.9608, allocations: 8 kB / 0.7286 GB, free: 8.258 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.0008779/0.9618, allocations: 223.2 kB / 0.7288 GB, free: 8.039 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.0006244/0.9624, allocations: 175.2 kB / 0.729 GB, free: 7.867 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009541/0.9634, allocations: 231.5 kB / 0.7292 GB, free: 7.641 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.0005888/0.964, allocations: 0.4947 MB / 0.7297 GB, free: 7.145 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005242/0.9645, allocations: 207.7 kB / 0.7299 GB, free: 6.945 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000287/0.9648, allocations: 143.5 kB / 0.73 GB, free: 6.805 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003937/0.9652, allocations: 191.3 kB / 0.7302 GB, free: 6.617 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 4.359e-05/0.9653, allocations: 16 kB / 0.7302 GB, free: 6.602 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007167/0.966, allocations: 311.4 kB / 0.7305 GB, free: 6.297 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0001379/0.9661, allocations: 83.78 kB / 0.7306 GB, free: 6.215 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0002019/0.9663, allocations: 135.2 kB / 0.7307 GB, free: 6.082 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.0006737/0.967, allocations: 474.5 kB / 0.7312 GB, free: 5.617 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 3.074e-05/0.9671, allocations: 4 kB / 0.7312 GB, free: 5.613 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.715e-06/0.9671, allocations: 0 / 0.7312 GB, free: 5.613 MB / 0.545 GB Notification: Performance of Transformations before backend: time 9.137e-06/0.9671, allocations: 0 / 0.7312 GB, free: 5.613 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 57 * Number of variables: 57 Notification: Performance of Generate backend data structure: time 0.001695/0.9688, allocations: 0.6408 MB / 0.7318 GB, free: 4.914 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 6.212e-05/0.9689, allocations: 12.03 kB / 0.7318 GB, free: 4.902 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008232/0.9697, allocations: 92.55 kB / 0.7319 GB, free: 4.812 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005092/0.9702, allocations: 283.6 kB / 0.7322 GB, free: 4.496 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.308e-05/0.9703, allocations: 12.81 kB / 0.7322 GB, free: 4.484 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.733e-05/0.9703, allocations: 20.38 kB / 0.7322 GB, free: 4.465 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001/0.9713, allocations: 418.9 kB / 0.7326 GB, free: 4.031 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.946e-05/0.9714, allocations: 0 / 0.7326 GB, free: 4.031 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.227e-05/0.9714, allocations: 11.98 kB / 0.7326 GB, free: 4.02 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.26e-05/0.9715, allocations: 24.36 kB / 0.7326 GB, free: 3.992 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008769/0.9724, allocations: 392.8 kB / 0.733 GB, free: 3.609 MB / 0.545 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002202/0.9746, allocations: 1.611 MB / 0.7346 GB, free: 1.871 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001164/0.9758, allocations: 464.1 kB / 0.735 GB, free: 1.402 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004072/0.9762, allocations: 189.6 kB / 0.7352 GB, free: 1.211 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001643/0.9763, allocations: 93.09 kB / 0.7353 GB, free: 1.102 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005788/0.9769, allocations: 260 kB / 0.7355 GB, free: 0.832 MB / 0.545 GB Notification: Performance of pre-optimization done (n=27): time 2.104e-06/0.9769, allocations: 0 / 0.7355 GB, free: 0.832 MB / 0.545 GB Notification: Performance of matching and sorting (n=28): time 0.002318/0.9793, allocations: 0.7448 MB / 0.7363 GB, free: 60 kB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.777e-05/0.9794, allocations: 89.08 kB / 0.7363 GB, free: 15.95 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002481/0.9796, allocations: 229.1 kB / 0.7366 GB, free: 15.72 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 3.617e-05/0.9797, allocations: 33.7 kB / 0.7366 GB, free: 15.68 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001324/0.9798, allocations: 160.4 kB / 0.7367 GB, free: 15.52 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 8.408e-05/0.9799, allocations: 90.66 kB / 0.7368 GB, free: 15.43 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001275/0.98, allocations: 65.69 kB / 0.7369 GB, free: 15.36 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001532/0.9802, allocations: 334.8 kB / 0.7372 GB, free: 15.03 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004224/0.9806, allocations: 181.1 kB / 0.7374 GB, free: 14.85 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004853/0.9811, allocations: 245 kB / 0.7376 GB, free: 14.58 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001016/0.9821, allocations: 464.4 kB / 0.7381 GB, free: 14.09 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.903e-06/0.9822, allocations: 0 / 0.7381 GB, free: 14.09 MB / 0.5606 GB Notification: Performance of matching and sorting (n=39) (initialization): time 0.001289/0.9834, allocations: 0.5354 MB / 0.7386 GB, free: 13.54 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 5.125e-05/0.9835, allocations: 33.7 kB / 0.7386 GB, free: 13.5 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.262e-05/0.9835, allocations: 4 kB / 0.7386 GB, free: 13.5 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000302/0.9838, allocations: 45.09 kB / 0.7387 GB, free: 13.45 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004155/0.9843, allocations: 79.88 kB / 0.7387 GB, free: 13.37 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002085/0.9864, allocations: 1.501 MB / 0.7402 GB, free: 11.73 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004018/0.9868, allocations: 43.8 kB / 0.7403 GB, free: 11.69 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.94e-05/0.9868, allocations: 16 kB / 0.7403 GB, free: 11.67 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006133/0.9875, allocations: 284 kB / 0.7405 GB, free: 11.39 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004781/0.9879, allocations: 238.3 kB / 0.7408 GB, free: 11.12 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009193/0.9889, allocations: 438.4 kB / 0.7412 GB, free: 10.66 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.995e-06/0.9889, allocations: 0 / 0.7412 GB, free: 10.66 MB / 0.5606 GB Notification: Performance of matching and sorting (n=39) (initialization_lambda0): time 0.001123/0.99, allocations: 0.5033 MB / 0.7417 GB, free: 10.14 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001326/0.9902, allocations: 37.69 kB / 0.7417 GB, free: 10.09 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.264e-06/0.9902, allocations: 7.938 kB / 0.7417 GB, free: 10.09 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000182/0.9904, allocations: 40.83 kB / 0.7418 GB, free: 10.04 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003495/0.9907, allocations: 80.14 kB / 0.7418 GB, free: 9.965 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001799/0.9925, allocations: 1.497 MB / 0.7433 GB, free: 8.324 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003233/0.9929, allocations: 47.86 kB / 0.7433 GB, free: 8.277 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.026e-05/0.9929, allocations: 12 kB / 0.7434 GB, free: 8.266 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 5 (load.count,$PRE.load.count,load.T_start,$PRE.load.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (36): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002394/0.9932, allocations: 200.5 kB / 0.7435 GB, free: 8.062 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.203e-05/0.9932, allocations: 27.7 kB / 0.7436 GB, free: 8.035 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001123/0.9944, allocations: 472.7 kB / 0.744 GB, free: 7.57 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.681e-06/0.9944, allocations: 4 kB / 0.744 GB, free: 7.566 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.601e-06/0.9944, allocations: 4 kB / 0.744 GB, free: 7.562 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.593e-06/0.9944, allocations: 3.938 kB / 0.744 GB, free: 7.559 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008713/0.9953, allocations: 0.5584 MB / 0.7446 GB, free: 6.938 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.767e-06/0.9953, allocations: 0 / 0.7446 GB, free: 6.938 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003586/0.9957, allocations: 79.84 kB / 0.7447 GB, free: 6.859 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001381/0.9958, allocations: 36.83 kB / 0.7447 GB, free: 6.82 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.703e-05/0.9959, allocations: 11.94 kB / 0.7447 GB, free: 6.809 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001645/0.9975, allocations: 1.409 MB / 0.7461 GB, free: 5.262 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.964e-06/0.9975, allocations: 0 / 0.7461 GB, free: 5.262 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001247/0.9988, allocations: 0.5419 MB / 0.7466 GB, free: 4.691 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001688/0.999, allocations: 136.7 kB / 0.7467 GB, free: 4.539 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.266e-05/0.999, allocations: 8 kB / 0.7467 GB, free: 4.531 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003245/0.9994, allocations: 39.95 kB / 0.7468 GB, free: 4.492 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001577/0.9995, allocations: 31.89 kB / 0.7468 GB, free: 4.461 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.061e-05/0.9996, allocations: 12 kB / 0.7468 GB, free: 4.449 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.0002071/0.9998, allocations: 168.5 kB / 0.747 GB, free: 4.281 MB / 0.5606 GB Notification: Performance of sort global known variables: time 1.51e-07/0.9998, allocations: 0 / 0.747 GB, free: 4.281 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.0008065/1.001, allocations: 128 kB / 0.7471 GB, free: 4.156 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,load.T_start,load.count) * Number of discrete states: 1 (load.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (28): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002937/1.001, allocations: 127 kB / 0.7472 GB, free: 4.023 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.002462/1.003, allocations: 0.9723 MB / 0.7482 GB, free: 3 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 5.12e-06/1.003, allocations: 3.938 kB / 0.7482 GB, free: 2.996 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.0006499/1.004, allocations: 323.4 kB / 0.7485 GB, free: 2.668 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005287/1.005, allocations: 48.91 kB / 0.7485 GB, free: 2.621 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001556/1.006, allocations: 0.7196 MB / 0.7492 GB, free: 1.863 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000712/1.007, allocations: 0.78 MB / 0.75 GB, free: 1.059 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.0003993/1.007, allocations: 98.23 kB / 0.7501 GB, free: 0.9648 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001074/1.007, allocations: 31.42 kB / 0.7501 GB, free: 0.9336 MB / 0.5606 GB Notification: Performance of SimCode: time 1.934e-06/1.007, allocations: 3.938 kB / 0.7501 GB, free: 0.9297 MB / 0.5606 GB Notification: Performance of Templates: time 0.01014/1.018, allocations: 4.223 MB / 0.7543 GB, free: 12.73 MB / 0.5762 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Sources.Examples.VariablePowerSource.pipe 2>&1)