Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState")
translateModel(Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.776/2.776, allocations: 287.5 MB / 302.4 MB, free: 8.328 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001298/0.001297, allocations: 182.5 kB / 371 MB, free: 10.85 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.055/2.055, allocations: 205.4 MB / 0.6297 GB, free: 10.56 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009187/0.0009185, allocations: 77.33 kB / 0.743 GB, free: 6.594 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004807/0.0004809, allocations: 18.47 kB / 0.8658 GB, free: 140.9 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2143/0.2148, allocations: 115.3 MB / 0.9783 GB, free: 28.38 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState): time 0.9066/1.122, allocations: 145.2 MB / 1.12 GB, free: 0.7812 MB / 0.6823 GB
Notification: Performance of NFInst.instExpressions: time 0.04292/1.164, allocations: 24.38 MB / 1.144 GB, free: 11.61 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004056/1.169, allocations: 57.56 kB / 1.144 GB, free: 11.59 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.002977/1.172, allocations: 496.9 kB / 1.144 GB, free: 11.39 MB / 0.698 GB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘.
Notification: Performance of NFTyping.typeBindings: time 0.008089/1.18, allocations: 1.139 MB / 1.146 GB, free: 10.87 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.008452/1.188, allocations: 1.129 MB / 1.147 GB, free: 10.65 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.01137/1.2, allocations: 4.12 MB / 1.151 GB, free: 9.613 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008996/1.209, allocations: 2.621 MB / 1.153 GB, free: 8.578 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005204/1.214, allocations: 1.198 MB / 1.154 GB, free: 8.09 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006197/1.22, allocations: 1.561 MB / 1.156 GB, free: 7.344 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.001468/1.222, allocations: 99.19 kB / 1.156 GB, free: 7.344 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.006491/1.228, allocations: 0.912 MB / 1.157 GB, free: 7.082 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.002301/1.231, allocations: 0.6115 MB / 1.158 GB, free: 6.785 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.002198/1.233, allocations: 0.5508 MB / 1.158 GB, free: 6.648 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.01147/1.245, allocations: 4.014 MB / 1.162 GB, free: 3.977 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 7.915e-06/1.245, allocations: 0 / 1.162 GB, free: 3.977 MB / 0.698 GB
Notification: Performance of FrontEnd: time 1.064e-05/1.245, allocations: 0 / 1.162 GB, free: 3.977 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0002109/1.245, allocations: 5.125 kB / 1.162 GB, free: 3.973 MB / 0.698 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 746
 * Number of variables: 746
Notification: Performance of Generate backend data structure: time 0.01466/1.26, allocations: 3.449 MB / 1.165 GB, free: 1.629 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 4.876e-05/1.26, allocations: 8.906 kB / 1.165 GB, free: 1.629 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02458/1.284, allocations: 2.665 MB / 1.168 GB, free: 412 kB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006774/1.291, allocations: 1.996 MB / 1.17 GB, free: 15.02 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002545/1.291, allocations: 222.6 kB / 1.17 GB, free: 14.91 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001202/1.293, allocations: 280.5 kB / 1.17 GB, free: 14.82 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01918/1.312, allocations: 4.789 MB / 1.175 GB, free: 12.02 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000103/1.312, allocations: 11.92 kB / 1.175 GB, free: 12.01 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006185/1.313, allocations: 123.6 kB / 1.175 GB, free: 11.91 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.859e-05/1.313, allocations: 70.91 kB / 1.175 GB, free: 11.91 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0257/1.338, allocations: 5.917 MB / 1.181 GB, free: 9.035 MB / 0.7136 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 0.04513/1.383, allocations: 14.22 MB / 1.195 GB, free: 12.9 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01852/1.402, allocations: 4.109 MB / 1.199 GB, free: 8.789 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.008752/1.411, allocations: 2.089 MB / 1.201 GB, free: 6.691 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001553/1.412, allocations: 0.65 MB / 1.202 GB, free: 5.914 MB / 0.7292 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.009932/1.422, allocations: 2.235 MB / 1.204 GB, free: 3.656 MB / 0.7292 GB
Notification: Performance of pre-optimization done (n=231): time 6.853e-06/1.422, allocations: 0 / 1.204 GB, free: 3.656 MB / 0.7292 GB
Notification: Performance of matching and sorting (n=231): time 0.03081/1.453, allocations: 6.267 MB / 1.21 GB, free: 13.32 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002035/1.454, allocations: 287 kB / 1.21 GB, free: 12.97 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005258/1.459, allocations: 2.032 MB / 1.212 GB, free: 10.9 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008316/1.46, allocations: 73.69 kB / 1.212 GB, free: 10.82 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001742/1.461, allocations: 1.183 MB / 1.213 GB, free: 9.629 MB / 0.7448 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001745/1.463, allocations: 0.7701 MB / 1.214 GB, free: 8.848 MB / 0.7448 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003827/1.464, allocations: 47.94 kB / 1.214 GB, free: 8.801 MB / 0.7448 GB
Notification: Performance of setup shared object (initialization): time 0.000305/1.464, allocations: 398.4 kB / 1.215 GB, free: 8.406 MB / 0.7448 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.008301/1.472, allocations: 1.768 MB / 1.216 GB, free: 6.633 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009212/1.482, allocations: 2.12 MB / 1.218 GB, free: 4.402 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008945/1.491, allocations: 1.919 MB / 1.22 GB, free: 2.461 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.646e-05/1.491, allocations: 0 / 1.22 GB, free: 2.461 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=286) (initialization): time 0.02029/1.511, allocations: 4.459 MB / 1.225 GB, free: 13.94 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 3.518e-05/1.511, allocations: 8.062 kB / 1.225 GB, free: 13.93 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.435e-05/1.511, allocations: 11.94 kB / 1.225 GB, free: 13.92 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001058/1.512, allocations: 228.7 kB / 1.225 GB, free: 13.7 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00763/1.52, allocations: 0.7254 MB / 1.226 GB, free: 12.97 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006889/1.527, allocations: 3.102 MB / 1.229 GB, free: 9.738 MB / 0.7605 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007137/1.534, allocations: 0.5478 MB / 1.229 GB, free: 9.188 MB / 0.7605 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009947/1.535, allocations: 107.9 kB / 1.229 GB, free: 9.082 MB / 0.7605 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 25
 * Number of states: 0 ()
 * Number of discrete variables: 13 ($whenCondition1,$PRE.intGai.nextTimeEvent,$whenCondition3,$whenCondition2,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled,weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (264):
 * Single equations (assignments): 263
 * 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: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(2,100.0%) 21}
 * Non-linear torn systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.003345/1.538, allocations: 0.8023 MB / 1.23 GB, free: 8.27 MB / 0.7605 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001058/1.539, allocations: 241 kB / 1.23 GB, free: 8.031 MB / 0.7605 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02172/1.561, allocations: 4.698 MB / 1.235 GB, free: 3.309 MB / 0.7605 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.602e-05/1.561, allocations: 24 kB / 1.235 GB, free: 3.285 MB / 0.7605 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.359e-05/1.561, allocations: 4 kB / 1.235 GB, free: 3.281 MB / 0.7605 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.131e-05/1.561, allocations: 11.95 kB / 1.235 GB, free: 3.27 MB / 0.7605 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03107/1.592, allocations: 8.092 MB / 1.243 GB, free: 11.09 MB / 0.7761 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.614e-05/1.592, allocations: 3.984 kB / 1.243 GB, free: 11.08 MB / 0.7761 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006699/1.599, allocations: 0.6241 MB / 1.243 GB, free: 10.46 MB / 0.7761 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.001407/1.601, allocations: 256.8 kB / 1.244 GB, free: 10.2 MB / 0.7761 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007229/1.601, allocations: 67.94 kB / 1.244 GB, free: 10.13 MB / 0.7761 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00755/1.609, allocations: 4.808 MB / 1.248 GB, free: 5.035 MB / 0.7761 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.786e-06/1.609, allocations: 0 / 1.248 GB, free: 5.035 MB / 0.7761 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02839/1.637, allocations: 6.729 MB / 1.255 GB, free: 14.27 MB / 0.7917 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.003152/1.641, allocations: 0.7822 MB / 1.256 GB, free: 13.46 MB / 0.7917 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001037/1.642, allocations: 44 kB / 1.256 GB, free: 13.42 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005743/1.647, allocations: 371.4 kB / 1.256 GB, free: 13.06 MB / 0.7917 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006332/1.648, allocations: 145.8 kB / 1.256 GB, free: 12.92 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004181/1.649, allocations: 83.94 kB / 1.256 GB, free: 12.84 MB / 0.7917 GB
Notification: Performance of sorting global known variables: time 0.003875/1.652, allocations: 1.459 MB / 1.258 GB, free: 11.36 MB / 0.7917 GB
Notification: Performance of sort global known variables: time 2.705e-06/1.653, allocations: 0 / 1.258 GB, free: 11.36 MB / 0.7917 GB
Notification: Performance of remove unused functions: time 0.005082/1.658, allocations: 0.9078 MB / 1.259 GB, free: 10.45 MB / 0.7917 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 2
 * Number of states: 3 (thermalZoneOneElement.volAir.dynBal.U,thermalZoneOneElement.volAir.dynBal.m,thermalZoneOneElement.extWallRC.thermCapExt[1].T)
 * Number of discrete variables: 7 ($whenCondition3,$whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext,intGai.nextTimeEvent,intGai.nextTimeEventScaled)
 * Number of discrete states: 4 (intGai.nextTimeEvent,intGai.nextTimeEventScaled,weaDat.conTimMin.tNext,weaDat.conTim.tNext)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (218):
 * Single equations (assignments): 211
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 4
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(2,100.0%) 16,(1,100.0%) 3}
 * Non-linear torn systems: 1 {1 2}
Notification: Performance of Backend phase and start with SimCode phase: time 0.003574/1.661, allocations: 0.9661 MB / 1.26 GB, free: 9.812 MB / 0.7917 GB
Notification: Performance of simCode: created initialization part: time 0.01848/1.68, allocations: 4.212 MB / 1.264 GB, free: 5.582 MB / 0.7917 GB
Notification: Performance of simCode: created event and clocks part: time 9.378e-06/1.68, allocations: 4 kB / 1.264 GB, free: 5.578 MB / 0.7917 GB
Notification: Performance of simCode: created simulation system equations: time 0.009717/1.69, allocations: 2.349 MB / 1.266 GB, free: 3.199 MB / 0.7917 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00613/1.696, allocations: 0.5728 MB / 1.267 GB, free: 2.625 MB / 0.7917 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02329/1.719, allocations: 7.804 MB / 1.274 GB, free: 10.79 MB / 0.8073 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003403/1.723, allocations: 2.206 MB / 1.276 GB, free: 8.551 MB / 0.8073 GB
Notification: Performance of simCode: alias equations: time 0.007583/1.73, allocations: 1.056 MB / 1.277 GB, free: 7.492 MB / 0.8073 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002319/1.733, allocations: 247.2 kB / 1.278 GB, free: 7.25 MB / 0.8073 GB
Notification: Performance of SimCode: time 1.073e-06/1.733, allocations: 0 / 1.278 GB, free: 7.25 MB / 0.8073 GB
Notification: Performance of Templates: time 0.1132/1.846, allocations: 39.23 MB / 1.316 GB, free: 204 kB / 0.8386 GB
make -j1 -f Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.makefile
(rm -f Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe ; mkfifo Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe >> ../files/Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.sim & ./Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe 2>&1)