Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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: translateModel(IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState") translateModel(IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001107/0.001107, allocations: 116.3 kB / 17.04 MB, free: 5.797 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001084/0.001084, allocations: 195 kB / 17.98 MB, free: 5.031 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.279/1.279, allocations: 222.9 MB / 241.7 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6903/0.6903, allocations: 115.1 MB / 406.9 MB, free: 6.281 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001226/0.001226, allocations: 63.84 kB / 494.8 MB, free: 15.83 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2747/0.2759, allocations: 76.15 MB / 0.5576 GB, free: 36.52 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState): time 0.1504/0.4263, allocations: 162 MB / 0.7158 GB, free: 1.98 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02951/0.4559, allocations: 26.95 MB / 0.7421 GB, free: 6.949 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001937/0.4578, allocations: 71.62 kB / 0.7422 GB, free: 6.879 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.001523/0.4594, allocations: 0.6823 MB / 0.7428 GB, free: 6.191 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.003373/0.4628, allocations: 1.599 MB / 0.7444 GB, free: 4.59 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003217/0.466, allocations: 1.714 MB / 0.7461 GB, free: 2.891 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.2561/0.7221, allocations: 5.212 MB / 0.7512 GB, free: 3.707 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005127/0.7272, allocations: 4.01 MB / 0.7551 GB, free: 3.273 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003153/0.7304, allocations: 2.007 MB / 0.757 GB, free: 3.27 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003101/0.7335, allocations: 2.32 MB / 0.7593 GB, free: 3.27 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.000719/0.7343, allocations: 450.2 kB / 0.7597 GB, free: 3.27 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002653/0.7369, allocations: 1.459 MB / 0.7612 GB, free: 3.27 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0009626/0.7379, allocations: 1.111 MB / 0.7622 GB, free: 3.27 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001916/0.7398, allocations: 2.026 MB / 0.7642 GB, free: 2.766 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.005101/0.7449, allocations: 5.954 MB / 0.77 GB, free: 2.074 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.757e-06/0.745, allocations: 0.8438 kB / 0.77 GB, free: 2.074 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.603e-06/0.745, allocations: 0 / 0.77 GB, free: 2.074 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 7.546e-05/0.745, allocations: 1.094 kB / 0.77 GB, free: 2.074 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 794 * Number of variables: 794 Notification: Performance of Generate backend data structure: time 0.008489/0.7535, allocations: 4.402 MB / 0.7743 GB, free: 16.34 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.526e-05/0.7536, allocations: 9.812 kB / 0.7743 GB, free: 16.34 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01256/0.7661, allocations: 2.763 MB / 0.777 GB, free: 16.14 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003472/0.7696, allocations: 2.212 MB / 0.7792 GB, free: 15.6 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001259/0.7698, allocations: 239.6 kB / 0.7794 GB, free: 15.59 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004613/0.7702, allocations: 301.8 kB / 0.7797 GB, free: 15.58 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00902/0.7793, allocations: 5.152 MB / 0.7847 GB, free: 15.27 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.548e-05/0.7793, allocations: 0.75 kB / 0.7847 GB, free: 15.27 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003384/0.7797, allocations: 132.1 kB / 0.7849 GB, free: 15.27 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.969e-05/0.7797, allocations: 75.41 kB / 0.7849 GB, free: 15.27 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01236/0.7921, allocations: 6.277 MB / 0.7911 GB, free: 15.23 MB / 0.5919 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 0.02423/0.8163, allocations: 15.83 MB / 0.8065 GB, free: 7.77 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007037/0.8234, allocations: 4.026 MB / 0.8105 GB, free: 6.918 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00375/0.8272, allocations: 2.127 MB / 0.8125 GB, free: 6.469 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003286/0.8275, allocations: 230.7 kB / 0.8128 GB, free: 6.27 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004093/0.8316, allocations: 2.39 MB / 0.8151 GB, free: 5.453 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=252): time 3.857e-06/0.8316, allocations: 0 / 0.8151 GB, free: 5.453 MB / 0.5919 GB Notification: Performance of matching and sorting (n=252): time 0.01389/0.8455, allocations: 6.535 MB / 0.8215 GB, free: 396 kB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001259/0.8457, allocations: 288.2 kB / 0.8218 GB, free: 48 kB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002792/0.8485, allocations: 2.221 MB / 0.8239 GB, free: 14.22 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 0.0002144/0.8487, allocations: 77.69 kB / 0.824 GB, free: 14.14 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009756/0.8497, allocations: 1.256 MB / 0.8252 GB, free: 12.88 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006774/0.8503, allocations: 0.825 MB / 0.826 GB, free: 12.06 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009453/0.8513, allocations: 0.4973 MB / 0.8265 GB, free: 11.55 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 9.1e-05/0.8514, allocations: 305.1 kB / 0.8268 GB, free: 11.25 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003851/0.8553, allocations: 1.835 MB / 0.8286 GB, free: 9.414 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004165/0.8594, allocations: 2.219 MB / 0.8308 GB, free: 7.086 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007755/0.8672, allocations: 3.94 MB / 0.8346 GB, free: 3.059 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.102e-06/0.8672, allocations: 0 / 0.8346 GB, free: 3.059 MB / 0.6075 GB Notification: Performance of matching and sorting (n=316) (initialization): time 0.00954/0.8768, allocations: 4.647 MB / 0.8392 GB, free: 14.41 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.965e-05/0.8768, allocations: 8 kB / 0.8392 GB, free: 14.4 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.411e-05/0.8768, allocations: 4 kB / 0.8392 GB, free: 14.39 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005926/0.8774, allocations: 231.1 kB / 0.8394 GB, free: 14.17 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003429/0.8809, allocations: 0.7538 MB / 0.8401 GB, free: 13.44 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003978/0.8848, allocations: 3.38 MB / 0.8434 GB, free: 9.945 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003411/0.8883, allocations: 0.577 MB / 0.844 GB, free: 9.367 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002688/0.8886, allocations: 111.9 kB / 0.8441 GB, free: 9.258 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 34 ($PRE.intGai.nextTimeEvent,$whenCondition1,weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,HDirTil[2].incAng.decAng.tNext,$PRE.HDirTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,$PRE.HDirTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,$PRE.HDifTil[2].incAng.decAng.tNext,HDifTil[1].incAng.decAng.tNext,$PRE.HDifTil[1].incAng.decAng.tNext,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (294): * Single equations (assignments): 293 * Array equations: 0 * Algorithm blocks: 0 * 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 {(2,21,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.00149/0.8901, allocations: 0.8689 MB / 0.8449 GB, free: 8.41 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004915/0.8905, allocations: 264.7 kB / 0.8452 GB, free: 8.148 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01017/0.9007, allocations: 4.864 MB / 0.8499 GB, free: 3.227 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.022e-05/0.9008, allocations: 27.98 kB / 0.85 GB, free: 3.199 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.842e-06/0.9008, allocations: 7.75 kB / 0.85 GB, free: 3.195 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.012e-05/0.9008, allocations: 15.95 kB / 0.85 GB, free: 3.18 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01483/0.9156, allocations: 8.319 MB / 0.8581 GB, free: 10.78 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.965e-05/0.9157, allocations: 12.25 kB / 0.8581 GB, free: 10.77 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002889/0.9186, allocations: 0.5761 MB / 0.8587 GB, free: 10.22 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007718/0.9194, allocations: 274.3 kB / 0.859 GB, free: 9.945 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002017/0.9196, allocations: 83.94 kB / 0.859 GB, free: 9.863 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004785/0.9244, allocations: 5.25 MB / 0.8642 GB, free: 4.344 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.995e-06/0.9244, allocations: 11.09 kB / 0.8642 GB, free: 4.336 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01167/0.9361, allocations: 6.246 MB / 0.8703 GB, free: 13.88 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001532/0.9376, allocations: 0.7275 MB / 0.871 GB, free: 13.12 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004294/0.938, allocations: 79.83 kB / 0.8711 GB, free: 13.05 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002554/0.9406, allocations: 306.7 kB / 0.8713 GB, free: 12.75 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003809/0.941, allocations: 216.3 kB / 0.8716 GB, free: 12.54 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002209/0.9412, allocations: 99.94 kB / 0.8717 GB, free: 12.45 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.002216/0.9435, allocations: 1.6 MB / 0.8732 GB, free: 10.83 MB / 0.6544 GB Notification: Performance of sort global known variables: time 2.2e-07/0.9435, allocations: 0 / 0.8732 GB, free: 10.83 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.002518/0.946, allocations: 0.9821 MB / 0.8742 GB, free: 9.848 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 42 * Number of states: 3 (thermalZoneOneElement.volAir.dynBal.U,thermalZoneOneElement.volAir.dynBal.m,thermalZoneOneElement.extWallRC.thermCapExt[1].T) * Number of discrete variables: 21 ($whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HDifTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,HDirTil[2].incAng.decAng.tNext,intGai.nextTimeEvent,intGai.nextTimeEventScaled) * Number of discrete states: 11 (intGai.nextTimeEvent,intGai.nextTimeEventScaled,weaDat.conTimMin.tNext,HDirTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,HDifTil[1].incAng.decAng.tNext,weaDat.decAng.tNext,weaDat.eqnTim.tNext,weaDat.conTim.tNext,weaDat.locTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (244): * Single equations (assignments): 230 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 11 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,16,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002254/0.9483, allocations: 1.045 MB / 0.8752 GB, free: 9.25 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.008125/0.9564, allocations: 4.096 MB / 0.8792 GB, free: 5.184 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 5.731e-06/0.9564, allocations: 4 kB / 0.8792 GB, free: 5.18 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.004559/0.961, allocations: 2.522 MB / 0.8817 GB, free: 2.695 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002917/0.9639, allocations: 0.7619 MB / 0.8824 GB, free: 1.969 MB / 0.6544 GB Warning: The hideResult annotation could not be evaluated, probably due to missing annotation(Evaluate=true). It is removed. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0107/0.9746, allocations: 6.881 MB / 0.8891 GB, free: 10.96 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001866/0.9765, allocations: 2.325 MB / 0.8914 GB, free: 8.605 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.002825/0.9793, allocations: 1.016 MB / 0.8924 GB, free: 7.586 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009561/0.9803, allocations: 263.3 kB / 0.8926 GB, free: 7.328 MB / 0.67 GB Notification: Performance of SimCode: time 5.11e-07/0.9803, allocations: 0 / 0.8926 GB, free: 7.328 MB / 0.67 GB Notification: Performance of Templates: time 0.06915/1.049, allocations: 48.44 MB / 0.9399 GB, free: 7.426 MB / 0.7169 GB make -j1 -f IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.makefile (rm -f IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe ; mkfifo IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe >> ../files/IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.sim & ./IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.RoomSteadyState.pipe 2>&1)