Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/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 9.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo) Running command: translateModel(Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil,tolerance=1e-06,outputFormat="empty",numberOfIntervals=92,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil") translateModel(Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil,tolerance=1e-06,outputFormat="empty",numberOfIntervals=92,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 2.001/2.001, allocations: 306.1 MB / 321.4 MB, free: 10.77 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001064/0.001064, allocations: 183.5 kB / 393.1 MB, free: 4.078 MB / 314.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.509/1.509, allocations: 225.7 MB / 0.6743 GB, free: 12.63 MB / 0.4948 GB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008196/0.0008192, allocations: 95.3 kB / 0.7935 GB, free: 40.09 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.0003562/0.0003558, allocations: 9.406 kB / 0.9225 GB, free: 8.641 MB / 0.6355 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7135/0.7139, allocations: 121.3 MB / 1.041 GB, free: 58.61 MB / 0.698 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil): time 0.00247/0.7164, allocations: 1.208 MB / 1.042 GB, free: 57.81 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.003354/0.7198, allocations: 1.613 MB / 1.044 GB, free: 56.55 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000466/0.7203, allocations: 8.375 kB / 1.044 GB, free: 56.55 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.000277/0.7206, allocations: 40.17 kB / 1.044 GB, free: 56.52 MB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.0002718/0.7209, allocations: 26.05 kB / 1.044 GB, free: 56.5 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009651/0.7219, allocations: 224 kB / 1.044 GB, free: 56.37 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.0006957/0.7226, allocations: 384.8 kB / 1.044 GB, free: 56.19 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004444/0.7231, allocations: 152.7 kB / 1.044 GB, free: 56.12 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002655/0.7234, allocations: 99.67 kB / 1.045 GB, free: 56.07 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002458/0.7236, allocations: 109.5 kB / 1.045 GB, free: 56.02 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 6.441e-05/0.7237, allocations: 9.938 kB / 1.045 GB, free: 56.02 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001257/0.7238, allocations: 28.39 kB / 1.045 GB, free: 56.01 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 6.1e-05/0.7239, allocations: 30.28 kB / 1.045 GB, free: 55.99 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.0002258/0.7241, allocations: 154.5 kB / 1.045 GB, free: 55.88 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.0007522/0.7249, allocations: 462 kB / 1.045 GB, free: 55.76 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 1.125e-05/0.7249, allocations: 6.188 kB / 1.045 GB, free: 55.76 MB / 0.698 GB Notification: Performance of FrontEnd: time 3.677e-06/0.7249, allocations: 0 / 1.045 GB, free: 55.76 MB / 0.698 GB Notification: Performance of Transformations before backend: time 2.16e-05/0.725, allocations: 0 / 1.045 GB, free: 55.76 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: 54 * Number of variables: 54 Notification: Performance of Generate backend data structure: time 0.00151/0.7265, allocations: 0.5697 MB / 1.046 GB, free: 55.27 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 5.941e-05/0.7266, allocations: 7.906 kB / 1.046 GB, free: 55.27 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001831/0.7268, allocations: 41.41 kB / 1.046 GB, free: 55.25 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007642/0.7275, allocations: 336.2 kB / 1.046 GB, free: 54.97 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.602e-05/0.7276, allocations: 19.62 kB / 1.046 GB, free: 54.96 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.351e-05/0.7277, allocations: 31.59 kB / 1.046 GB, free: 54.95 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008402/0.7285, allocations: 257.3 kB / 1.047 GB, free: 54.83 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.641e-05/0.7286, allocations: 0.75 kB / 1.047 GB, free: 54.83 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.574e-05/0.7286, allocations: 6.125 kB / 1.047 GB, free: 54.83 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.338e-05/0.7286, allocations: 8.031 kB / 1.047 GB, free: 54.83 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007326/0.7294, allocations: 201.5 kB / 1.047 GB, free: 54.77 MB / 0.698 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001915/0.7313, allocations: 0.9418 MB / 1.048 GB, free: 54.1 MB / 0.698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006728/0.732, allocations: 181.5 kB / 1.048 GB, free: 54.04 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002714/0.7323, allocations: 82.66 kB / 1.048 GB, free: 54 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 2.606e-05/0.7323, allocations: 0 / 1.048 GB, free: 54 MB / 0.698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004773/0.7328, allocations: 136.2 kB / 1.048 GB, free: 53.93 MB / 0.698 GB Notification: Performance of pre-optimization done (n=14): time 4.048e-06/0.7328, allocations: 1.312 kB / 1.048 GB, free: 53.93 MB / 0.698 GB Notification: Performance of matching and sorting (n=14): time 0.001107/0.734, allocations: 271.9 kB / 1.048 GB, free: 53.82 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.304e-05/0.734, allocations: 80.58 kB / 1.048 GB, free: 53.73 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005646/0.7346, allocations: 270.7 kB / 1.049 GB, free: 53.58 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 5.613e-05/0.7347, allocations: 31.83 kB / 1.049 GB, free: 53.54 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002251/0.7349, allocations: 189.4 kB / 1.049 GB, free: 53.38 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 5.531e-05/0.735, allocations: 39.47 kB / 1.049 GB, free: 53.35 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.828e-05/0.735, allocations: 7.625 kB / 1.049 GB, free: 53.34 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0001187/0.7352, allocations: 338.8 kB / 1.049 GB, free: 53.02 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003717/0.7355, allocations: 90.05 kB / 1.049 GB, free: 52.99 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004059/0.736, allocations: 165.3 kB / 1.049 GB, free: 52.88 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006526/0.7366, allocations: 238.8 kB / 1.05 GB, free: 52.73 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.807e-06/0.7367, allocations: 0 / 1.05 GB, free: 52.73 MB / 0.698 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0009812/0.7376, allocations: 330 kB / 1.05 GB, free: 52.58 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001403/0.7378, allocations: 163.7 kB / 1.05 GB, free: 52.4 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.284e-05/0.7378, allocations: 7.812 kB / 1.05 GB, free: 52.4 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.583e-05/0.7379, allocations: 2.656 kB / 1.05 GB, free: 52.4 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002469/0.7381, allocations: 41.33 kB / 1.05 GB, free: 52.39 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.418e-05/0.7381, allocations: 7.25 kB / 1.05 GB, free: 52.39 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004681/0.7386, allocations: 71.39 kB / 1.05 GB, free: 52.38 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.603e-05/0.7387, allocations: 20.38 kB / 1.05 GB, free: 52.37 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.032e-05/0.7387, allocations: 3.875 kB / 1.05 GB, free: 52.37 MB / 0.698 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00077/0.7395, allocations: 258.2 kB / 1.051 GB, free: 52.26 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.272e-06/0.7395, allocations: 4.188 kB / 1.051 GB, free: 52.25 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.06e-05/0.7395, allocations: 2.969 kB / 1.051 GB, free: 52.25 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001865/0.7397, allocations: 39.98 kB / 1.051 GB, free: 52.25 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.055e-06/0.7397, allocations: 0.8125 kB / 1.051 GB, free: 52.25 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004178/0.7402, allocations: 63.73 kB / 1.051 GB, free: 52.23 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.301e-05/0.7402, allocations: 18.03 kB / 1.051 GB, free: 52.23 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition1,$whenCondition2,cooCoi.conInt.y,cooCoi.intEqu.y,cooCoi.and2.y,$PRE.zonSta.booPul.y,zonSta.booPul.y,reaToInt.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 19 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002858/0.7405, allocations: 231.5 kB / 1.051 GB, free: 52.01 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.759e-05/0.7406, allocations: 26.22 kB / 1.051 GB, free: 52 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.5e-05/0.7407, allocations: 21.7 kB / 1.051 GB, free: 51.98 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.332e-06/0.7407, allocations: 6.016 kB / 1.051 GB, free: 51.98 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.743e-06/0.7407, allocations: 4 kB / 1.051 GB, free: 51.98 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.41e-06/0.7407, allocations: 1.078 kB / 1.051 GB, free: 51.98 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003792/0.7411, allocations: 319.1 kB / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.705e-06/0.7411, allocations: 0 / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001779/0.7413, allocations: 30.02 kB / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.018e-06/0.7413, allocations: 0 / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.897e-05/0.7413, allocations: 2.859 kB / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.685e-06/0.7413, allocations: 0 / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.707e-06/0.7414, allocations: 0.7188 kB / 1.051 GB, free: 51.72 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005958/0.742, allocations: 238.3 kB / 1.052 GB, free: 51.59 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 7.975e-05/0.7421, allocations: 102.4 kB / 1.052 GB, free: 51.48 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.269e-05/0.7421, allocations: 2.062 kB / 1.052 GB, free: 51.48 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001597/0.7423, allocations: 20.69 kB / 1.052 GB, free: 51.48 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001212/0.7424, allocations: 16.64 kB / 1.052 GB, free: 51.48 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.13e-05/0.7424, allocations: 7.594 kB / 1.052 GB, free: 51.47 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.0003108/0.7428, allocations: 187.6 kB / 1.052 GB, free: 51.36 MB / 0.698 GB Notification: Performance of sort global known variables: time 1.51e-07/0.7428, allocations: 4 kB / 1.052 GB, free: 51.36 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.0006828/0.7435, allocations: 98.47 kB / 1.052 GB, free: 51.34 MB / 0.698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,$whenCondition2,cooCoi.intEqu.y,cooCoi.and2.y,zonSta.booPul.y,reaToInt.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (14): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0002257/0.7437, allocations: 116.2 kB / 1.052 GB, free: 51.24 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.001256/0.745, allocations: 455.7 kB / 1.053 GB, free: 51.01 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 3.857e-06/0.745, allocations: 0.75 kB / 1.053 GB, free: 51.01 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.0002873/0.7453, allocations: 87.42 kB / 1.053 GB, free: 50.98 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005719/0.7459, allocations: 62.59 kB / 1.053 GB, free: 50.96 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001269/0.7472, allocations: 0.5362 MB / 1.053 GB, free: 50.59 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003142/0.7475, allocations: 0.752 MB / 1.054 GB, free: 49.89 MB / 0.698 GB Notification: Performance of simCode: alias equations: time 0.0002417/0.7477, allocations: 32 kB / 1.054 GB, free: 49.89 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.414e-05/0.7478, allocations: 21.28 kB / 1.054 GB, free: 49.88 MB / 0.698 GB Notification: Performance of SimCode: time 1.483e-06/0.7478, allocations: 0 / 1.054 GB, free: 49.88 MB / 0.698 GB Notification: Performance of Templates: time 0.01224/0.7601, allocations: 3.633 MB / 1.058 GB, free: 49.61 MB / 0.698 GB make -j1 -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.makefile (rm -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.sim & ./Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe 2>&1)