Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate.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/Buildings 11.0.0-master/package.mo", uses=false)
Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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: "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate,fileNamePrefix="Buildings_latest_Buildings_Fluid_HeatExchangers_Validation_WetCoilCounterFlowLowWaterFlowRate",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate,fileNamePrefix="Buildings_latest_Buildings_Fluid_HeatExchangers_Validation_WetCoilCounterFlowLowWaterFlowRate",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001005/0.001005, allocations: 90.28 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 0.006999/0.006999, allocations: 171.7 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 1.194/1.194, allocations: 223.3 MB / 240.3 MB, free: 5.328 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.359/2.359, allocations: 462.6 MB / 0.7364 GB, free: 15.52 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.0002892/0.0002892, allocations: 9.219 kB / 0.9029 GB, free: 36.33 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2388/0.2391, allocations: 159.6 MB / 1.059 GB, free: 4.824 MB / 0.8106 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate): time 0.7356/0.9747, allocations: 270.1 MB / 1.323 GB, free: 1.785 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.01894/0.9937, allocations: 18.05 MB / 1.34 GB, free: 1.348 MB / 0.9981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002912/0.9967, allocations: 81 kB / 1.34 GB, free: 1.348 MB / 0.9981 GB
Notification: Performance of NFTyping.typeComponents: time 0.002722/0.9994, allocations: 1.048 MB / 1.341 GB, free: 1.324 MB / 0.9981 GB
Notification: Performance of NFTyping.typeBindings: time 0.008343/1.008, allocations: 3.832 MB / 1.345 GB, free: 1.141 MB / 0.9981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.005687/1.013, allocations: 2.781 MB / 1.348 GB, free: 1.047 MB / 0.9981 GB
Notification: Performance of NFFlatten.flatten: time 0.007462/1.021, allocations: 8.492 MB / 1.356 GB, free: 1.02 MB / 0.9981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002778/1.024, allocations: 2.119 MB / 1.358 GB, free: 0.668 MB / 0.9981 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004523/1.028, allocations: 2.43 MB / 1.36 GB, free: 0.6367 MB / 0.9981 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003221/1.031, allocations: 1.742 MB / 1.362 GB, free: 488 kB / 0.9981 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002133/1.032, allocations: 89.66 kB / 1.362 GB, free: 488 kB / 0.9981 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.006051/1.038, allocations: 4.379 MB / 1.367 GB, free: 436 kB / 0.9981 GB
Notification: Performance of NFScalarize.scalarize: time 0.0004686/1.038, allocations: 0.5654 MB / 1.367 GB, free: 340 kB / 0.9981 GB
Notification: Performance of NFVerifyModel.verify: time 0.001176/1.039, allocations: 1.25 MB / 1.368 GB, free: 15.93 MB / 1.014 GB
Notification: Performance of NFConvertDAE.convert: time 0.00541/1.045, allocations: 5.614 MB / 1.374 GB, free: 14.13 MB / 1.014 GB
Notification: Performance of FrontEnd - DAE generated: time 3.196e-06/1.045, allocations: 0 / 1.374 GB, free: 14.13 MB / 1.014 GB
Notification: Performance of FrontEnd: time 1.793e-06/1.045, allocations: 0 / 1.374 GB, free: 14.13 MB / 1.014 GB
Notification: Performance of Transformations before backend: time 2.158e-05/1.045, allocations: 3.094 kB / 1.374 GB, free: 14.13 MB / 1.014 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 438
 * Number of variables: 438
Notification: Performance of Generate backend data structure: time 0.004725/1.05, allocations: 2.69 MB / 1.376 GB, free: 12.45 MB / 1.014 GB
Notification: Performance of prepare preOptimizeDAE: time 3.4e-05/1.05, allocations: 8.625 kB / 1.376 GB, free: 12.45 MB / 1.014 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002585/1.05, allocations: 254.1 kB / 1.377 GB, free: 12.36 MB / 1.014 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00236/1.052, allocations: 0.5312 MB / 1.377 GB, free: 12.13 MB / 1.014 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002536/1.055, allocations: 2.036 MB / 1.379 GB, free: 11.31 MB / 1.014 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.799e-05/1.055, allocations: 134.9 kB / 1.379 GB, free: 11.29 MB / 1.014 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000225/1.055, allocations: 181.8 kB / 1.379 GB, free: 11.23 MB / 1.014 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003173/1.058, allocations: 2.361 MB / 1.382 GB, free: 9.766 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.914e-05/1.058, allocations: 9.75 kB / 1.382 GB, free: 9.762 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000172/1.059, allocations: 74 kB / 1.382 GB, free: 9.707 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.041e-05/1.059, allocations: 86.03 kB / 1.382 GB, free: 9.688 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002915/1.062, allocations: 1.993 MB / 1.384 GB, free: 8.699 MB / 1.014 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 0.009684/1.071, allocations: 10.65 MB / 1.394 GB, free: 15.76 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001631/1.073, allocations: 1.222 MB / 1.395 GB, free: 15.05 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0009645/1.074, allocations: 0.7159 MB / 1.396 GB, free: 14.7 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001096/1.075, allocations: 1.222 MB / 1.397 GB, free: 13.32 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.939e-05/1.075, allocations: 42.72 kB / 1.397 GB, free: 13.27 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=99): time 2.775e-06/1.075, allocations: 0 / 1.397 GB, free: 13.27 MB / 1.029 GB
Notification: Performance of matching and sorting (n=101): time 0.005636/1.081, allocations: 3.566 MB / 1.401 GB, free: 11.23 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.44e-05/1.081, allocations: 64.34 kB / 1.401 GB, free: 11.17 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002121/1.083, allocations: 1.926 MB / 1.403 GB, free: 10.11 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 8.006e-05/1.083, allocations: 46.27 kB / 1.403 GB, free: 10.07 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006838/1.084, allocations: 0.9691 MB / 1.404 GB, free: 9.219 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002634/1.084, allocations: 358.6 kB / 1.404 GB, free: 8.914 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001353/1.084, allocations: 108.8 kB / 1.404 GB, free: 8.844 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.0001204/1.084, allocations: 356.3 kB / 1.405 GB, free: 8.504 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008429/1.085, allocations: 0.5876 MB / 1.405 GB, free: 8.203 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001087/1.086, allocations: 0.9741 MB / 1.406 GB, free: 7.445 MB / 1.029 GB
Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: hex.ele[1].vol2.dynBal.medium.p = hex.ele[1].vol2.dynBal.p_start (sin_a.p = hex.ele[1].vol2.dynBal.p_start)
Notification: Performance of analyzeInitialSystem (initialization): time 0.01186/1.098, allocations: 4.319 MB / 1.41 GB, free: 5.125 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.081e-06/1.098, allocations: 10.2 kB / 1.41 GB, free: 5.121 MB / 1.029 GB
Notification: Performance of matching and sorting (n=154) (initialization): time 0.002577/1.101, allocations: 1.747 MB / 1.412 GB, free: 3.527 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001894/1.101, allocations: 363.3 kB / 1.412 GB, free: 3.055 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.324e-05/1.101, allocations: 8 kB / 1.412 GB, free: 3.047 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.199e-05/1.101, allocations: 19.94 kB / 1.412 GB, free: 3.027 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001073/1.102, allocations: 295.5 kB / 1.413 GB, free: 2.758 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.986e-05/1.102, allocations: 19 kB / 1.413 GB, free: 2.742 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001512/1.103, allocations: 207.5 kB / 1.413 GB, free: 2.539 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.734e-05/1.104, allocations: 55.98 kB / 1.413 GB, free: 2.484 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 5.811e-06/1.104, allocations: 4 kB / 1.413 GB, free: 2.48 MB / 1.029 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002259/1.106, allocations: 1.543 MB / 1.415 GB, free: 0.9922 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.229e-05/1.106, allocations: 12.05 kB / 1.415 GB, free: 0.9805 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.29e-05/1.106, allocations: 15.98 kB / 1.415 GB, free: 0.9648 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001039/1.107, allocations: 285.5 kB / 1.415 GB, free: 0.7031 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.756e-05/1.107, allocations: 26.55 kB / 1.415 GB, free: 0.6836 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001394/1.108, allocations: 205.4 kB / 1.415 GB, free: 496 kB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.141e-05/1.108, allocations: 59.98 kB / 1.415 GB, free: 436 kB / 1.029 GB
Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization sytem:
         hex.ele[1].vol2.dynBal.medium.p = hex.ele[1].vol2.dynBal.p_start.
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 40
 * 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 (153):
 * Single equations (assignments): 152
 * Array equations: 1
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.0009353/1.109, allocations: 0.8106 MB / 1.416 GB, free: 15.62 MB / 1.045 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002576/1.11, allocations: 197.6 kB / 1.416 GB, free: 15.43 MB / 1.045 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002569/1.112, allocations: 1.628 MB / 1.418 GB, free: 13.8 MB / 1.045 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.41e-05/1.112, allocations: 15.94 kB / 1.418 GB, free: 13.79 MB / 1.045 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.41e-06/1.112, allocations: 0 / 1.418 GB, free: 13.79 MB / 1.045 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001876/1.114, allocations: 1.527 MB / 1.419 GB, free: 12.18 MB / 1.045 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005637/1.12, allocations: 4.288 MB / 1.423 GB, free: 7.789 MB / 1.045 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.829e-06/1.12, allocations: 11.94 kB / 1.423 GB, free: 7.777 MB / 1.045 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009475/1.121, allocations: 233.9 kB / 1.424 GB, free: 7.562 MB / 1.045 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.191e-05/1.121, allocations: 15.98 kB / 1.424 GB, free: 7.547 MB / 1.045 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.717e-05/1.121, allocations: 28 kB / 1.424 GB, free: 7.52 MB / 1.045 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.019e-05/1.121, allocations: 18.98 kB / 1.424 GB, free: 7.504 MB / 1.045 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.322e-06/1.121, allocations: 10.72 kB / 1.424 GB, free: 7.496 MB / 1.045 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003063/1.124, allocations: 2.386 MB / 1.426 GB, free: 5.016 MB / 1.045 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0006257/1.125, allocations: 470.5 kB / 1.426 GB, free: 4.535 MB / 1.045 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002138/1.125, allocations: 31.98 kB / 1.426 GB, free: 4.504 MB / 1.045 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001224/1.126, allocations: 165.8 kB / 1.427 GB, free: 4.348 MB / 1.045 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001421/1.126, allocations: 83.22 kB / 1.427 GB, free: 4.27 MB / 1.045 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.009e-05/1.126, allocations: 43.98 kB / 1.427 GB, free: 4.227 MB / 1.045 GB
Notification: Performance of sorting global known variables: time 0.001653/1.128, allocations: 1.367 MB / 1.428 GB, free: 2.836 MB / 1.045 GB
Notification: Performance of sort global known variables: time 1.6e-07/1.128, allocations: 3.188 kB / 1.428 GB, free: 2.836 MB / 1.045 GB
Notification: Performance of remove unused functions: time 0.002132/1.13, allocations: 0.9765 MB / 1.429 GB, free: 1.859 MB / 1.045 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 28
 * Number of states: 4 (hex.ele[1].vol1.dynBal.U,hex.ele[1].vol2.dynBal.medium.Xi[1],hex.ele[1].vol2.dynBal.U,hex.ele[1].mas.T)
 * 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 (108):
 * Single equations (assignments): 102
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 6
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.004015/1.134, allocations: 3.31 MB / 1.432 GB, free: 14.48 MB / 1.061 GB
Notification: Performance of simCode: created initialization part: time 0.003126/1.137, allocations: 2.206 MB / 1.434 GB, free: 12.36 MB / 1.061 GB
Notification: Performance of simCode: created event and clocks part: time 5.33e-06/1.137, allocations: 4 kB / 1.434 GB, free: 12.35 MB / 1.061 GB
Notification: Performance of simCode: created simulation system equations: time 0.000938/1.138, allocations: 0.6711 MB / 1.435 GB, free: 11.71 MB / 1.061 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006121/1.144, allocations: 1.212 MB / 1.436 GB, free: 10.52 MB / 1.061 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02966/1.174, allocations: 18.41 MB / 1.454 GB, free: 7.004 MB / 1.076 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001363/1.175, allocations: 1.924 MB / 1.456 GB, free: 5.047 MB / 1.076 GB
Notification: Performance of simCode: alias equations: time 0.002325/1.178, allocations: 0.7999 MB / 1.457 GB, free: 4.258 MB / 1.076 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001089/1.179, allocations: 0.8312 MB / 1.458 GB, free: 3.426 MB / 1.076 GB
Notification: Performance of SimCode: time 5.91e-07/1.179, allocations: 0 / 1.458 GB, free: 3.426 MB / 1.076 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.885/3.063, allocations: 60.34 MB / 1.517 GB, free: 7.922 MB / 1.139 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002629/3.064, allocations: 288.1 kB / 1.517 GB, free: 7.535 MB / 1.139 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.464/12.53, allocations: 0 / 1.517 GB, free: 7.535 MB / 1.139 GB
(rm -f Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_HeatExchangers_Validation_WetCoilCounterFlowLowWaterFlowRate_fmu --startTime=0 --stopTime=5000 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_HeatExchangers_Validation_WetCoilCounterFlowLowWaterFlowRate.fmu > Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilCounterFlowLowWaterFlowRate.pipe 2>&1)