Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8,fileNamePrefix="Buildings_latest_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase8",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8,fileNamePrefix="Buildings_latest_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase8",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 0.00406/0.00406, allocations: 97.84 kB / 15.73 MB, free: 6.043 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001187/0.001187, allocations: 201.1 kB / 16.68 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.331/1.331, allocations: 222.9 MB / 240.4 MB, free: 4.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.787/2.787, allocations: 482.6 MB / 0.755 GB, free: 10.62 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001741/0.001741, allocations: 72.11 kB / 1.083 GB, free: 12.23 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2519/0.2536, allocations: 162.3 MB / 1.242 GB, free: 9.84 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8): time 0.6066/0.8603, allocations: 157.9 MB / 1.396 GB, free: 172 kB / 1.092 GB Notification: Performance of NFInst.instExpressions: time 0.02269/0.883, allocations: 22.23 MB / 1.418 GB, free: 13.97 MB / 1.123 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001358/0.8844, allocations: 59.16 kB / 1.418 GB, free: 13.95 MB / 1.123 GB Notification: Performance of NFTyping.typeComponents: time 0.002546/0.887, allocations: 2.75 MB / 1.421 GB, free: 12.61 MB / 1.123 GB Notification: Performance of NFTyping.typeBindings: time 0.001932/0.889, allocations: 1.766 MB / 1.422 GB, free: 11.61 MB / 1.123 GB Notification: Performance of NFTyping.typeClassSections: time 0.001386/0.8903, allocations: 0.7025 MB / 1.423 GB, free: 11.06 MB / 1.123 GB Notification: Performance of NFFlatten.flatten: time 0.001893/0.8922, allocations: 2.292 MB / 1.425 GB, free: 9.824 MB / 1.123 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001223/0.8935, allocations: 1.349 MB / 1.427 GB, free: 8.992 MB / 1.123 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000951/0.8944, allocations: 1.128 MB / 1.428 GB, free: 8.402 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001795/0.8962, allocations: 1.992 MB / 1.43 GB, free: 7.02 MB / 1.123 GB Notification: Performance of NFPackage.collectConstants: time 0.0001947/0.8965, allocations: 120 kB / 1.43 GB, free: 6.902 MB / 1.123 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003292/0.8968, allocations: 160 kB / 1.43 GB, free: 6.746 MB / 1.123 GB Notification: Performance of NFScalarize.scalarize: time 0.0005484/0.8973, allocations: 0.7143 MB / 1.431 GB, free: 6.027 MB / 1.123 GB Notification: Performance of NFVerifyModel.verify: time 0.0008016/0.8982, allocations: 1.001 MB / 1.431 GB, free: 5.02 MB / 1.123 GB Notification: Performance of NFConvertDAE.convert: time 0.002161/0.9003, allocations: 2.445 MB / 1.434 GB, free: 2.566 MB / 1.123 GB Notification: Performance of FrontEnd - DAE generated: time 3.016e-06/0.9003, allocations: 0 / 1.434 GB, free: 2.566 MB / 1.123 GB Notification: Performance of FrontEnd: time 1.452e-06/0.9003, allocations: 0 / 1.434 GB, free: 2.566 MB / 1.123 GB Notification: Performance of Transformations before backend: time 1.869e-05/0.9004, allocations: 3.938 kB / 1.434 GB, free: 2.562 MB / 1.123 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 206 * Number of variables: 206 Notification: Performance of Generate backend data structure: time 0.003798/0.9042, allocations: 3.069 MB / 1.437 GB, free: 15.42 MB / 1.139 GB Notification: Performance of prepare preOptimizeDAE: time 3.23e-05/0.9042, allocations: 8.031 kB / 1.437 GB, free: 15.41 MB / 1.139 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001455/0.9044, allocations: 131.2 kB / 1.437 GB, free: 15.27 MB / 1.139 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003173/0.9047, allocations: 325.5 kB / 1.437 GB, free: 14.96 MB / 1.139 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001447/0.9061, allocations: 1.316 MB / 1.439 GB, free: 13.59 MB / 1.139 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001391/0.9063, allocations: 107.6 kB / 1.439 GB, free: 13.47 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001211/0.9064, allocations: 83.98 kB / 1.439 GB, free: 13.39 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001544/0.908, allocations: 0.9849 MB / 1.44 GB, free: 12.39 MB / 1.139 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.175e-05/0.908, allocations: 0 / 1.44 GB, free: 12.39 MB / 1.139 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.428e-05/0.9081, allocations: 32 kB / 1.44 GB, free: 12.36 MB / 1.139 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.857e-05/0.9081, allocations: 23.98 kB / 1.44 GB, free: 12.34 MB / 1.139 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001416/0.9095, allocations: 0.8042 MB / 1.441 GB, free: 11.53 MB / 1.139 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005345/0.9149, allocations: 4.402 MB / 1.445 GB, free: 6.84 MB / 1.139 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001728/0.9166, allocations: 0.939 MB / 1.446 GB, free: 5.891 MB / 1.139 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008724/0.9175, allocations: 0.5187 MB / 1.446 GB, free: 5.371 MB / 1.139 GB Notification: Performance of preOpt evalFunc (simulation): time 5.314e-05/0.9176, allocations: 24.92 kB / 1.446 GB, free: 5.348 MB / 1.139 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009038/0.9185, allocations: 0.5516 MB / 1.447 GB, free: 4.785 MB / 1.139 GB Notification: Performance of pre-optimization done (n=91): time 2.103e-06/0.9185, allocations: 0 / 1.447 GB, free: 4.785 MB / 1.139 GB Notification: Performance of matching and sorting (n=91): time 0.004278/0.9228, allocations: 2.169 MB / 1.449 GB, free: 2.566 MB / 1.139 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.994e-05/0.9228, allocations: 60.41 kB / 1.449 GB, free: 2.496 MB / 1.139 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004208/0.927, allocations: 4.455 MB / 1.453 GB, free: 14.03 MB / 1.154 GB Notification: Performance of collectPreVariables (initialization): time 5.951e-05/0.9271, allocations: 45.7 kB / 1.453 GB, free: 13.98 MB / 1.154 GB Notification: Performance of collectInitialEqns (initialization): time 0.001024/0.9281, allocations: 1.234 MB / 1.455 GB, free: 12.74 MB / 1.154 GB Notification: Performance of collectInitialBindings (initialization): time 0.000227/0.9284, allocations: 313.4 kB / 1.455 GB, free: 12.43 MB / 1.154 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002294/0.9286, allocations: 162.7 kB / 1.455 GB, free: 12.27 MB / 1.154 GB Notification: Performance of setup shared object (initialization): time 0.0001342/0.9287, allocations: 338 kB / 1.455 GB, free: 11.93 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007387/0.9295, allocations: 397.7 kB / 1.456 GB, free: 11.54 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008606/0.9304, allocations: 0.5496 MB / 1.456 GB, free: 10.94 MB / 1.154 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001504/0.9319, allocations: 0.925 MB / 1.457 GB, free: 9.969 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.851e-06/0.9319, allocations: 0 / 1.457 GB, free: 9.969 MB / 1.154 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.002454/0.9343, allocations: 1.513 MB / 1.459 GB, free: 8.441 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 1.512e-05/0.9344, allocations: 8 kB / 1.459 GB, free: 8.434 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.995e-06/0.9344, allocations: 4 kB / 1.459 GB, free: 8.43 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006242/0.935, allocations: 264 kB / 1.459 GB, free: 8.168 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005943/0.9356, allocations: 171.8 kB / 1.459 GB, free: 8 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004644/0.9403, allocations: 4.752 MB / 1.464 GB, free: 2.98 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000643/0.9409, allocations: 135.3 kB / 1.464 GB, free: 2.848 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.055e-05/0.941, allocations: 36 kB / 1.464 GB, free: 2.812 MB / 1.154 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 36 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition8,$PRE.intGai.nextTimeEvent,$whenCondition7,$PRE.reference.nextTimeEvent,$whenCondition6,$PRE.outdoorTemp1.nextTimeEvent,$whenCondition5,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWall.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,tableSolRadWall.nextTimeEventScaled,$PRE.tableSolRadWall.nextTimeEventScaled,tableSolRadWall.nextTimeEvent,greaterThreshold2.y,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp1.nextTimeEventScaled,$PRE.outdoorTemp1.nextTimeEventScaled,outdoorTemp1.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (96): * Single equations (assignments): 94 * 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): 2 systems {(1,3,100.0%), (2,18,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0008557/0.9419, allocations: 0.7785 MB / 1.465 GB, free: 2.027 MB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002644/0.9421, allocations: 290 kB / 1.465 GB, free: 1.742 MB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004352/0.9426, allocations: 348.8 kB / 1.465 GB, free: 1.391 MB / 1.154 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.046e-06/0.9426, allocations: 15.98 kB / 1.465 GB, free: 1.375 MB / 1.154 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.188e-06/0.9426, allocations: 4 kB / 1.465 GB, free: 1.371 MB / 1.154 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.716e-06/0.9426, allocations: 3.984 kB / 1.465 GB, free: 1.367 MB / 1.154 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004104/0.9467, allocations: 2.972 MB / 1.468 GB, free: 14.33 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.685e-06/0.9467, allocations: 4 kB / 1.468 GB, free: 14.32 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004139/0.9471, allocations: 103.8 kB / 1.468 GB, free: 14.22 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005668/0.9477, allocations: 257.5 kB / 1.469 GB, free: 13.96 MB / 1.17 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.625e-05/0.9478, allocations: 23.98 kB / 1.469 GB, free: 13.94 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004568/0.9524, allocations: 4.748 MB / 1.473 GB, free: 8.922 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.92e-07/0.9524, allocations: 3.938 kB / 1.473 GB, free: 8.918 MB / 1.17 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003105/0.9555, allocations: 2.037 MB / 1.475 GB, free: 6.855 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000448/0.9559, allocations: 414.9 kB / 1.476 GB, free: 6.43 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001535/0.9561, allocations: 24 kB / 1.476 GB, free: 6.406 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004754/0.9566, allocations: 47.94 kB / 1.476 GB, free: 6.359 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001742/0.9568, allocations: 88.81 kB / 1.476 GB, free: 6.273 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.386e-05/0.9568, allocations: 35.98 kB / 1.476 GB, free: 6.238 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.003185/0.96, allocations: 3.259 MB / 1.479 GB, free: 2.984 MB / 1.17 GB Notification: Performance of sort global known variables: time 1.7e-07/0.96, allocations: 0 / 1.479 GB, free: 2.984 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.0007667/0.9608, allocations: 359.5 kB / 1.479 GB, free: 2.633 MB / 1.17 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 23 ($whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp1.nextTimeEvent,outdoorTemp1.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,greaterThreshold2.y,tableSolRadWall.nextTimeEvent,tableSolRadWall.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 13 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp1.nextTimeEvent,tableSolRadWindow.nextTimeEvent,tableSolRadWall.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,tableSolRadWall.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,outdoorTemp1.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (69): * Single equations (assignments): 55 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * 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): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004889/0.9657, allocations: 2.987 MB / 1.482 GB, free: 15.8 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.002067/0.9678, allocations: 1.275 MB / 1.484 GB, free: 14.5 MB / 1.186 GB Notification: Performance of simCode: created event and clocks part: time 5.511e-06/0.9678, allocations: 4 kB / 1.484 GB, free: 14.49 MB / 1.186 GB Notification: Performance of simCode: created simulation system equations: time 0.001154/0.969, allocations: 0.81 MB / 1.484 GB, free: 13.66 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001317/0.9703, allocations: 350.7 kB / 1.485 GB, free: 13.32 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02179/0.9921, allocations: 17.96 MB / 1.502 GB, free: 11.12 MB / 1.201 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001443/0.9935, allocations: 1.824 MB / 1.504 GB, free: 9.266 MB / 1.201 GB Notification: Performance of simCode: alias equations: time 0.0004767/0.994, allocations: 215.9 kB / 1.504 GB, free: 9.051 MB / 1.201 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009977/0.995, allocations: 0.9796 MB / 1.505 GB, free: 8.07 MB / 1.201 GB Notification: Performance of SimCode: time 4.51e-07/0.995, allocations: 0 / 1.505 GB, free: 8.07 MB / 1.201 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.811/1.806, allocations: 42.39 MB / 1.547 GB, free: 14.1 MB / 1.248 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.64/16.44, allocations: 10.09 kB / 1.547 GB, free: 14.1 MB / 1.248 GB (rm -f Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe ; mkfifo Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe ; head -c 1048576 < Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe >> ../files/Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8_res.mat --tempDir=temp_Buildings_latest_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase8_fmu --startTime=0 --stopTime=5.184e+06 --timeout=400 --tolerance=1e-06 Buildings_latest_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase8.fmu > Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe 2>&1)