Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") translateModel(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001439/0.001439, 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 0.001692/0.001692, allocations: 199.2 kB / 16.14 MB, free: 6.688 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.399/1.399, allocations: 222.9 MB / 239.8 MB, free: 4.637 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 1.057/1.057, allocations: 143 MB / 433 MB, free: 11.61 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001142/0.001142, allocations: 63.91 kB / 0.5135 GB, free: 12.13 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1507/0.1519, allocations: 82.03 MB / 0.5936 GB, free: 10.07 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5): time 0.4168/0.5687, allocations: 155 MB / 0.7449 GB, free: 1.516 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.02749/0.5963, allocations: 21.88 MB / 0.7663 GB, free: 12.93 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002342/0.5987, allocations: 51.69 kB / 0.7663 GB, free: 12.88 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.002394/0.6011, allocations: 2.117 MB / 0.7684 GB, free: 10.76 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.001953/0.6031, allocations: 1.371 MB / 0.7697 GB, free: 9.383 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.001307/0.6044, allocations: 0.5094 MB / 0.7702 GB, free: 8.879 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.001641/0.6061, allocations: 1.906 MB / 0.7721 GB, free: 6.969 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001039/0.6071, allocations: 0.9931 MB / 0.7731 GB, free: 5.977 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0007709/0.6079, allocations: 0.7865 MB / 0.7738 GB, free: 5.188 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001434/0.6094, allocations: 1.521 MB / 0.7753 GB, free: 3.664 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0001372/0.6095, allocations: 56 kB / 0.7754 GB, free: 3.609 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002815/0.6098, allocations: 87.98 kB / 0.7755 GB, free: 3.523 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.0004031/0.6102, allocations: 0.516 MB / 0.776 GB, free: 3.008 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.0005491/0.6108, allocations: 0.7328 MB / 0.7767 GB, free: 2.27 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.001363/0.6121, allocations: 1.813 MB / 0.7785 GB, free: 460 kB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 3.577e-06/0.6121, allocations: 0 / 0.7785 GB, free: 460 kB / 0.5919 GB Notification: Performance of FrontEnd: time 1.232e-06/0.6122, allocations: 4 kB / 0.7785 GB, free: 456 kB / 0.5919 GB Notification: Performance of Transformations before backend: time 1.487e-05/0.6122, allocations: 0 / 0.7785 GB, free: 456 kB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 153 * Number of variables: 153 Notification: Performance of Generate backend data structure: time 0.003164/0.6153, allocations: 2.283 MB / 0.7807 GB, free: 14.11 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 3.284e-05/0.6154, allocations: 8.031 kB / 0.7807 GB, free: 14.1 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002571/0.6157, allocations: 230 kB / 0.7809 GB, free: 13.87 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001175/0.6168, allocations: 1.007 MB / 0.7819 GB, free: 12.8 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001389/0.617, allocations: 87 kB / 0.782 GB, free: 12.71 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001055/0.6171, allocations: 64 kB / 0.782 GB, free: 12.64 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001342/0.6184, allocations: 0.7251 MB / 0.7828 GB, free: 11.91 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.286e-05/0.6185, allocations: 4 kB / 0.7828 GB, free: 11.9 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.783e-05/0.6186, allocations: 31.97 kB / 0.7828 GB, free: 11.87 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.514e-05/0.6186, allocations: 16 kB / 0.7828 GB, free: 11.86 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001216/0.6198, allocations: 0.5906 MB / 0.7834 GB, free: 11.27 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004497/0.6243, allocations: 3.521 MB / 0.7868 GB, free: 7.477 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001501/0.6258, allocations: 0.6995 MB / 0.7875 GB, free: 6.773 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007468/0.6266, allocations: 415.5 kB / 0.7879 GB, free: 6.367 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 5.116e-05/0.6266, allocations: 8.562 kB / 0.7879 GB, free: 6.359 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008266/0.6275, allocations: 438.7 kB / 0.7883 GB, free: 5.922 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=70): time 2.715e-06/0.6275, allocations: 3.938 kB / 0.7883 GB, free: 5.918 MB / 0.6075 GB Notification: Performance of matching and sorting (n=70): time 0.004203/0.6317, allocations: 1.796 MB / 0.7901 GB, free: 4.07 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.624e-05/0.6318, allocations: 59.97 kB / 0.7901 GB, free: 4 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00329/0.6351, allocations: 3.304 MB / 0.7934 GB, free: 0.668 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 5.967e-05/0.6351, allocations: 49.62 kB / 0.7934 GB, free: 0.6133 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007732/0.6359, allocations: 0.8822 MB / 0.7943 GB, free: 15.72 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001927/0.6361, allocations: 232.8 kB / 0.7945 GB, free: 15.5 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001991/0.6363, allocations: 126.7 kB / 0.7946 GB, free: 15.37 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001268/0.6365, allocations: 341.9 kB / 0.7949 GB, free: 15.03 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006389/0.6371, allocations: 305.8 kB / 0.7952 GB, free: 14.73 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007116/0.6378, allocations: 434.4 kB / 0.7956 GB, free: 14.26 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001232/0.6391, allocations: 0.721 MB / 0.7964 GB, free: 13.49 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.587e-06/0.6391, allocations: 0 / 0.7964 GB, free: 13.49 MB / 0.6231 GB Notification: Performance of matching and sorting (n=95) (initialization): time 0.002199/0.6413, allocations: 1.218 MB / 0.7975 GB, free: 12.26 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.561e-05/0.6413, allocations: 11.94 kB / 0.7976 GB, free: 12.25 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.468e-06/0.6413, allocations: 4 kB / 0.7976 GB, free: 12.25 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007108/0.6421, allocations: 263 kB / 0.7978 GB, free: 11.98 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000476/0.6426, allocations: 135.8 kB / 0.7979 GB, free: 11.85 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004563/0.6471, allocations: 4.368 MB / 0.8022 GB, free: 7.215 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006271/0.6478, allocations: 99.44 kB / 0.8023 GB, free: 7.117 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.958e-05/0.6478, allocations: 28 kB / 0.8023 GB, free: 7.09 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 30 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.outdoorTemp.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,intGai.nextTimeEventScaled,$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 (73): * Single equations (assignments): 71 * 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 {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0007868/0.6486, allocations: 0.6108 MB / 0.8029 GB, free: 6.473 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002097/0.6488, allocations: 205.3 kB / 0.8031 GB, free: 6.27 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003366/0.6492, allocations: 260.5 kB / 0.8034 GB, free: 6.008 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.628e-06/0.6492, allocations: 4 kB / 0.8034 GB, free: 6.004 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.482e-05/0.6492, allocations: 4 kB / 0.8034 GB, free: 6 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.883e-06/0.6492, allocations: 3.984 kB / 0.8034 GB, free: 5.996 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003607/0.6528, allocations: 2.327 MB / 0.8057 GB, free: 3.605 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.077e-06/0.6529, allocations: 0 / 0.8057 GB, free: 3.605 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000303/0.6532, allocations: 63.91 kB / 0.8057 GB, free: 3.543 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006533/0.6538, allocations: 263.3 kB / 0.806 GB, free: 3.281 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.54e-05/0.6539, allocations: 23.88 kB / 0.806 GB, free: 3.258 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004596/0.6585, allocations: 4.369 MB / 0.8103 GB, free: 14.63 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.893e-06/0.6585, allocations: 4.062 kB / 0.8103 GB, free: 14.62 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002924/0.6615, allocations: 1.567 MB / 0.8118 GB, free: 13.03 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004019/0.6619, allocations: 306.4 kB / 0.8121 GB, free: 12.71 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001424/0.662, allocations: 23.98 kB / 0.8121 GB, free: 12.68 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004389/0.6625, allocations: 51.8 kB / 0.8122 GB, free: 12.63 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001763/0.6627, allocations: 76.39 kB / 0.8122 GB, free: 12.56 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.664e-05/0.6627, allocations: 27.98 kB / 0.8122 GB, free: 12.53 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.002594/0.6653, allocations: 2.415 MB / 0.8146 GB, free: 10.1 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.4e-07/0.6653, allocations: 0 / 0.8146 GB, free: 10.1 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0009466/0.6663, allocations: 291.6 kB / 0.8149 GB, free: 9.816 MB / 0.6387 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: 19 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 0.001163/0.6675, allocations: 0.4906 MB / 0.8154 GB, free: 9.523 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.001964/0.6694, allocations: 1.053 MB / 0.8164 GB, free: 8.438 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.356e-06/0.6694, allocations: 0 / 0.8164 GB, free: 8.438 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.001055/0.6705, allocations: 0.6943 MB / 0.8171 GB, free: 7.723 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001365/0.6719, allocations: 257.8 kB / 0.8173 GB, free: 7.469 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00622/0.6781, allocations: 4.559 MB / 0.8218 GB, free: 2.879 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00117/0.6793, allocations: 1.524 MB / 0.8233 GB, free: 1.324 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0005104/0.6798, allocations: 150.4 kB / 0.8234 GB, free: 1.172 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001633/0.68, allocations: 63.42 kB / 0.8235 GB, free: 1.109 MB / 0.6387 GB Notification: Performance of SimCode: time 5.51e-07/0.68, allocations: 0 / 0.8235 GB, free: 1.109 MB / 0.6387 GB Notification: Performance of Templates: time 0.02818/0.7082, allocations: 13.61 MB / 0.8368 GB, free: 3.668 MB / 0.6544 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.sim & ./BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5 -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe 2>&1)