Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.206/2.206, allocations: 254.9 MB / 269.9 MB, free: 9.637 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001315/0.001315, allocations: 183.1 kB / 329.5 MB, free: 1.176 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.398/2.398, allocations: 225.6 MB / 0.6001 GB, free: 2.164 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009353/0.0009353, allocations: 103.2 kB / 0.7074 GB, free: 7.875 MB / 0.5261 GB Notification: Performance of FrontEnd - loaded program: time 0.0004835/0.0004838, allocations: 16.16 kB / 0.8242 GB, free: 124.3 MB / 0.5886 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.247/0.2475, allocations: 109.1 MB / 0.9308 GB, free: 25.13 MB / 0.5886 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5): time 0.852/1.1, allocations: 142.6 MB / 1.07 GB, free: 0.668 MB / 0.6511 GB Notification: Performance of NFInst.instExpressions: time 0.03388/1.134, allocations: 20.41 MB / 1.09 GB, free: 11.76 MB / 0.6667 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00256/1.136, allocations: 46.81 kB / 1.09 GB, free: 11.74 MB / 0.6667 GB Notification: Performance of NFTyping.typeComponents: time 0.003184/1.139, allocations: 2.069 MB / 1.092 GB, free: 11.38 MB / 0.6667 GB Notification: Performance of NFTyping.typeBindings: time 0.00325/1.143, allocations: 1.32 MB / 1.093 GB, free: 10.69 MB / 0.6667 GB Notification: Performance of NFTyping.typeClassSections: time 0.002329/1.145, allocations: 465.5 kB / 1.094 GB, free: 10.5 MB / 0.6667 GB Notification: Performance of NFFlatten.flatten: time 0.0033/1.148, allocations: 1.652 MB / 1.095 GB, free: 9.867 MB / 0.6667 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002172/1.151, allocations: 0.886 MB / 1.096 GB, free: 9.473 MB / 0.6667 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002039/1.153, allocations: 0.7382 MB / 1.097 GB, free: 9.172 MB / 0.6667 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002914/1.156, allocations: 1.273 MB / 1.098 GB, free: 8.672 MB / 0.6667 GB Notification: Performance of NFPackage.collectConstants: time 0.0003562/1.156, allocations: 35.84 kB / 1.098 GB, free: 8.672 MB / 0.6667 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006169/1.157, allocations: 74.42 kB / 1.098 GB, free: 8.664 MB / 0.6667 GB Notification: Performance of NFScalarize.scalarize: time 0.0006731/1.157, allocations: 495.3 kB / 1.099 GB, free: 8.465 MB / 0.6667 GB Notification: Performance of NFVerifyModel.verify: time 0.0005125/1.158, allocations: 321.7 kB / 1.099 GB, free: 8.355 MB / 0.6667 GB Notification: Performance of NFConvertDAE.convert: time 0.002395/1.16, allocations: 1.349 MB / 1.1 GB, free: 7.59 MB / 0.6667 GB Notification: Performance of FrontEnd - DAE generated: time 7.004e-06/1.16, allocations: 0 / 1.1 GB, free: 7.59 MB / 0.6667 GB Notification: Performance of FrontEnd: time 3.246e-06/1.16, allocations: 0 / 1.1 GB, free: 7.59 MB / 0.6667 GB Notification: Performance of Transformations before backend: time 6.674e-05/1.16, allocations: 0 / 1.1 GB, free: 7.59 MB / 0.6667 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 152 * Number of variables: 152 Notification: Performance of Generate backend data structure: time 0.005664/1.166, allocations: 1.994 MB / 1.102 GB, free: 6.191 MB / 0.6667 GB Notification: Performance of prepare preOptimizeDAE: time 4.987e-05/1.166, allocations: 10 kB / 1.102 GB, free: 6.191 MB / 0.6667 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006977/1.167, allocations: 229.1 kB / 1.103 GB, free: 6.07 MB / 0.6667 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002457/1.169, allocations: 0.9078 MB / 1.103 GB, free: 5.438 MB / 0.6667 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002411/1.17, allocations: 94.45 kB / 1.104 GB, free: 5.398 MB / 0.6667 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001651/1.17, allocations: 61.28 kB / 1.104 GB, free: 5.398 MB / 0.6667 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002181/1.172, allocations: 0.733 MB / 1.104 GB, free: 5.18 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.469e-05/1.172, allocations: 1.062 kB / 1.104 GB, free: 5.18 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.365e-05/1.172, allocations: 26.84 kB / 1.104 GB, free: 5.18 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.192e-05/1.172, allocations: 13.84 kB / 1.104 GB, free: 5.18 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002291/1.174, allocations: 0.6048 MB / 1.105 GB, free: 5.066 MB / 0.6667 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.007439/1.182, allocations: 3.394 MB / 1.108 GB, free: 2.965 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002877/1.185, allocations: 0.8298 MB / 1.109 GB, free: 2.801 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00131/1.186, allocations: 418.1 kB / 1.109 GB, free: 2.727 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 8.177e-05/1.186, allocations: 8.594 kB / 1.109 GB, free: 2.723 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001219/1.188, allocations: 431 kB / 1.11 GB, free: 2.57 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=68): time 3.868e-06/1.188, allocations: 0 / 1.11 GB, free: 2.57 MB / 0.6667 GB Notification: Performance of matching and sorting (n=68): time 0.007347/1.195, allocations: 1.795 MB / 1.112 GB, free: 1.883 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.249e-05/1.195, allocations: 67.95 kB / 1.112 GB, free: 1.812 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005667/1.201, allocations: 3.3 MB / 1.115 GB, free: 0.7109 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0001933/1.201, allocations: 45.73 kB / 1.115 GB, free: 0.668 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.001158/1.202, allocations: 0.8812 MB / 1.116 GB, free: 15.91 MB / 0.6823 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003644/1.203, allocations: 215.5 kB / 1.116 GB, free: 15.72 MB / 0.6823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.966e-05/1.203, allocations: 14.91 kB / 1.116 GB, free: 15.71 MB / 0.6823 GB Notification: Performance of setup shared object (initialization): time 0.0001447/1.203, allocations: 334 kB / 1.116 GB, free: 15.39 MB / 0.6823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009764/1.204, allocations: 286 kB / 1.117 GB, free: 15.25 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001023/1.205, allocations: 407.9 kB / 1.117 GB, free: 14.98 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001061/1.206, allocations: 334.3 kB / 1.117 GB, free: 14.81 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.973e-06/1.206, allocations: 2.969 kB / 1.117 GB, free: 14.81 MB / 0.6823 GB Notification: Performance of matching and sorting (n=92) (initialization): time 0.00362/1.21, allocations: 1.163 MB / 1.118 GB, free: 14.2 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 2.581e-05/1.21, allocations: 5.594 kB / 1.118 GB, free: 14.2 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.856e-05/1.21, allocations: 9.188 kB / 1.119 GB, free: 14.2 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001154/1.211, allocations: 261.6 kB / 1.119 GB, free: 14.07 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008482/1.212, allocations: 120.3 kB / 1.119 GB, free: 14.05 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007111/1.219, allocations: 4.378 MB / 1.123 GB, free: 10.27 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001285/1.22, allocations: 93.83 kB / 1.123 GB, free: 10.21 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.581e-05/1.22, allocations: 29.66 kB / 1.123 GB, free: 10.2 MB / 0.6823 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 ($PRE.assEqu.nFai,assEqu.nFai,$whenCondition7,$whenCondition6,$PRE.intGai.nextTimeEvent,$whenCondition5,$PRE.reference.nextTimeEvent,$whenCondition4,$PRE.outdoorTemp.nextTimeEvent,$whenCondition3,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition1,$whenCondition2,reference.nextTimeEvent,$PRE.reference.nextTimeEventScaled,reference.nextTimeEventScaled,$PRE.assEqu.satisfied,assEqu.satisfied,$PRE.mean.y_last,mean.y_last,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled,outdoorTemp.nextTimeEvent,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (70): * Single equations (assignments): 68 * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 18,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001458/1.222, allocations: 0.6141 MB / 1.124 GB, free: 9.863 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005137/1.222, allocations: 202 kB / 1.124 GB, free: 9.754 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006538/1.223, allocations: 256.4 kB / 1.124 GB, free: 9.613 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.086e-05/1.223, allocations: 5.281 kB / 1.124 GB, free: 9.613 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.376e-05/1.223, allocations: 3.156 kB / 1.124 GB, free: 9.613 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.293e-05/1.223, allocations: 6.953 kB / 1.124 GB, free: 9.609 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005659/1.229, allocations: 2.2 MB / 1.126 GB, free: 8.242 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.705e-06/1.229, allocations: 0 / 1.126 GB, free: 8.242 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006081/1.229, allocations: 72.23 kB / 1.127 GB, free: 8.223 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001081/1.23, allocations: 248.6 kB / 1.127 GB, free: 8.102 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001158/1.231, allocations: 25.73 kB / 1.127 GB, free: 8.082 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007299/1.238, allocations: 4.362 MB / 1.131 GB, free: 4.312 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.996e-06/1.238, allocations: 0 / 1.131 GB, free: 4.312 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004748/1.243, allocations: 1.579 MB / 1.133 GB, free: 3.402 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00098/1.244, allocations: 326.5 kB / 1.133 GB, free: 3.062 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002867/1.244, allocations: 19.98 kB / 1.133 GB, free: 3.043 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009104/1.245, allocations: 55.95 kB / 1.133 GB, free: 2.988 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002925/1.245, allocations: 88.31 kB / 1.133 GB, free: 2.898 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000104/1.245, allocations: 23.94 kB / 1.133 GB, free: 2.875 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.004987/1.25, allocations: 2.423 MB / 1.135 GB, free: 448 kB / 0.6823 GB Notification: Performance of sort global known variables: time 1.052e-06/1.25, allocations: 0 / 1.135 GB, free: 448 kB / 0.6823 GB Notification: Performance of remove unused functions: time 0.00174/1.252, allocations: 291.6 kB / 1.136 GB, free: 156 kB / 0.6823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,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,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (46): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 18,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001668/1.254, allocations: 0.5549 MB / 1.136 GB, free: 15.74 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.003264/1.257, allocations: 1.03 MB / 1.137 GB, free: 14.69 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 5.15e-06/1.257, allocations: 0 / 1.137 GB, free: 14.69 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.001931/1.259, allocations: 0.6982 MB / 1.138 GB, free: 13.97 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002596/1.262, allocations: 263.4 kB / 1.138 GB, free: 13.71 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01058/1.272, allocations: 4.402 MB / 1.143 GB, free: 9.277 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001949/1.274, allocations: 1.524 MB / 1.144 GB, free: 7.723 MB / 0.698 GB Notification: Performance of simCode: alias equations: time 0.0008052/1.275, allocations: 146.1 kB / 1.144 GB, free: 7.578 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000255/1.276, allocations: 67.41 kB / 1.144 GB, free: 7.512 MB / 0.698 GB Notification: Performance of SimCode: time 1.072e-06/1.276, allocations: 0 / 1.144 GB, free: 7.512 MB / 0.698 GB Notification: Performance of Templates: time 0.045/1.321, allocations: 12.65 MB / 1.157 GB, free: 10.99 MB / 0.7136 GB make -j1 -f Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.makefile (rm -f Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; mkfifo Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; head -c 1048576 < Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe >> ../files/Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.sim & ./Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5 -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe 2>&1)