Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.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: translateModel(Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil,tolerance=1e-06,outputFormat="empty",numberOfIntervals=92,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil") translateModel(Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil,tolerance=1e-06,outputFormat="empty",numberOfIntervals=92,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001567/0.001573, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002224/0.002224, allocations: 191.3 kB / 16.14 MB, free: 6.664 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: 4.562 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.815/2.815, allocations: 472.6 MB / 0.7447 GB, free: 4.965 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001309/0.001309, allocations: 62.34 kB / 0.9114 GB, free: 33.6 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4012/0.4026, allocations: 159.9 MB / 1.068 GB, free: 10.87 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil): time 0.003856/0.4065, allocations: 1.696 MB / 1.069 GB, free: 9.172 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.002621/0.4091, allocations: 1.513 MB / 1.071 GB, free: 7.645 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004138/0.4096, allocations: 4 kB / 1.071 GB, free: 7.641 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.0002616/0.4098, allocations: 35.66 kB / 1.071 GB, free: 7.605 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.000256/0.4101, allocations: 39.72 kB / 1.071 GB, free: 7.566 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.000771/0.4109, allocations: 214.8 kB / 1.071 GB, free: 7.359 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.0004298/0.4114, allocations: 392.1 kB / 1.071 GB, free: 6.973 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002992/0.4117, allocations: 160.5 kB / 1.072 GB, free: 6.816 MB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001513/0.4118, allocations: 119.4 kB / 1.072 GB, free: 6.699 MB / 0.8262 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001547/0.412, allocations: 123.3 kB / 1.072 GB, free: 6.578 MB / 0.8262 GB Notification: Performance of NFPackage.collectConstants: time 4.364e-05/0.412, allocations: 20 kB / 1.072 GB, free: 6.559 MB / 0.8262 GB Notification: Performance of NFFlatten.collectFunctions: time 9.688e-05/0.4121, allocations: 31.98 kB / 1.072 GB, free: 6.527 MB / 0.8262 GB Notification: Performance of NFScalarize.scalarize: time 5.285e-05/0.4122, allocations: 55.7 kB / 1.072 GB, free: 6.473 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.0001332/0.4123, allocations: 139.2 kB / 1.072 GB, free: 6.336 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.0004424/0.4128, allocations: 490.7 kB / 1.072 GB, free: 5.855 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 3.476e-06/0.4128, allocations: 0 / 1.072 GB, free: 5.855 MB / 0.8262 GB Notification: Performance of FrontEnd: time 1.162e-06/0.4128, allocations: 0 / 1.072 GB, free: 5.855 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 6.282e-06/0.4128, allocations: 0 / 1.072 GB, free: 5.855 MB / 0.8262 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 0.00105/0.4139, allocations: 0.6252 MB / 1.073 GB, free: 5.172 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 3.761e-05/0.4139, allocations: 12.03 kB / 1.073 GB, free: 5.16 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.389e-05/0.414, allocations: 40.55 kB / 1.073 GB, free: 5.121 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004795/0.4145, allocations: 327.1 kB / 1.073 GB, free: 4.758 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.48e-05/0.4145, allocations: 16.81 kB / 1.073 GB, free: 4.742 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.328e-05/0.4146, allocations: 24.38 kB / 1.073 GB, free: 4.719 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004843/0.4151, allocations: 258.3 kB / 1.074 GB, free: 4.457 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.145e-05/0.4151, allocations: 8.172 kB / 1.074 GB, free: 4.449 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.628e-05/0.4151, allocations: 11.94 kB / 1.074 GB, free: 4.438 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.069e-05/0.4151, allocations: 8 kB / 1.074 GB, free: 4.43 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004523/0.4156, allocations: 173.6 kB / 1.074 GB, free: 4.262 MB / 0.8262 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001232/0.4168, allocations: 0.9488 MB / 1.075 GB, free: 3.246 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004489/0.4173, allocations: 158.5 kB / 1.075 GB, free: 3.082 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000186/0.4175, allocations: 72.81 kB / 1.075 GB, free: 3.008 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 2.877e-05/0.4175, allocations: 7.938 kB / 1.075 GB, free: 3 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002892/0.4178, allocations: 127.4 kB / 1.075 GB, free: 2.863 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=14): time 1.483e-06/0.4178, allocations: 0 / 1.075 GB, free: 2.863 MB / 0.8262 GB Notification: Performance of matching and sorting (n=14): time 0.0006795/0.4185, allocations: 236.9 kB / 1.075 GB, free: 2.629 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.939e-05/0.4186, allocations: 93.09 kB / 1.076 GB, free: 2.52 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002837/0.4189, allocations: 278.9 kB / 1.076 GB, free: 2.242 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 2.936e-05/0.4189, allocations: 25.7 kB / 1.076 GB, free: 2.211 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001301/0.4191, allocations: 180.1 kB / 1.076 GB, free: 2.031 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 3.597e-05/0.4191, allocations: 35.45 kB / 1.076 GB, free: 1.996 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001072/0.4192, allocations: 57.61 kB / 1.076 GB, free: 1.934 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.000118/0.4193, allocations: 334.8 kB / 1.076 GB, free: 1.598 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002776/0.4196, allocations: 100.8 kB / 1.076 GB, free: 1.496 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002811/0.4199, allocations: 154.2 kB / 1.077 GB, free: 1.32 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004398/0.4204, allocations: 233.4 kB / 1.077 GB, free: 1.066 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.426e-06/0.4204, allocations: 0 / 1.077 GB, free: 1.066 MB / 0.8262 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.000671/0.4211, allocations: 316.9 kB / 1.077 GB, free: 0.7461 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.448e-05/0.4211, allocations: 37.69 kB / 1.077 GB, free: 0.7031 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.556e-06/0.4211, allocations: 4 kB / 1.077 GB, free: 0.6992 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.421e-05/0.4212, allocations: 4.188 kB / 1.077 GB, free: 0.6953 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001728/0.4213, allocations: 43.91 kB / 1.077 GB, free: 0.6523 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.009e-05/0.4214, allocations: 4 kB / 1.077 GB, free: 0.6484 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003055/0.4217, allocations: 51.78 kB / 1.077 GB, free: 0.5977 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.209e-05/0.4217, allocations: 12 kB / 1.077 GB, free: 0.5859 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002913/0.422, allocations: 180.1 kB / 1.077 GB, free: 416 kB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002416/0.4223, allocations: 145.3 kB / 1.078 GB, free: 244 kB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003473/0.4226, allocations: 203.5 kB / 1.078 GB, free: 12 kB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.903e-06/0.4226, allocations: 3.938 kB / 1.078 GB, free: 8 kB / 0.8262 GB Notification: Performance of matching and sorting (n=22) (initialization_lambda0): time 0.0005921/0.4232, allocations: 296.8 kB / 1.078 GB, free: 15.7 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 3.448e-05/0.4233, allocations: 39.25 kB / 1.078 GB, free: 15.66 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.986e-06/0.4233, allocations: 0 / 1.078 GB, free: 15.66 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.892e-06/0.4233, allocations: 4 kB / 1.078 GB, free: 15.66 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001471/0.4234, allocations: 31.92 kB / 1.078 GB, free: 15.62 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.145e-06/0.4235, allocations: 4 kB / 1.078 GB, free: 15.62 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002866/0.4237, allocations: 51.97 kB / 1.078 GB, free: 15.57 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.384e-05/0.4238, allocations: 12 kB / 1.078 GB, free: 15.56 MB / 0.8419 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,reaToInt.y,zonSta.booPul.y,$PRE.zonSta.booPul.y,cooCoi.and2.y,cooCoi.intEqu.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 0.0001331/0.4239, allocations: 196.1 kB / 1.078 GB, free: 15.36 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.934e-05/0.424, allocations: 19.72 kB / 1.078 GB, free: 15.34 MB / 0.8419 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.412e-05/0.424, allocations: 29.86 kB / 1.078 GB, free: 15.3 MB / 0.8419 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.935e-06/0.424, allocations: 0 / 1.078 GB, free: 15.3 MB / 0.8419 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.646e-06/0.4241, allocations: 4 kB / 1.078 GB, free: 15.3 MB / 0.8419 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.807e-06/0.4241, allocations: 0 / 1.078 GB, free: 15.3 MB / 0.8419 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003036/0.4244, allocations: 321.3 kB / 1.079 GB, free: 14.94 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.06e-06/0.4244, allocations: 3.984 kB / 1.079 GB, free: 14.93 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001377/0.4245, allocations: 23.98 kB / 1.079 GB, free: 14.91 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.895e-06/0.4245, allocations: 0 / 1.079 GB, free: 14.91 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.697e-05/0.4246, allocations: 4 kB / 1.079 GB, free: 14.91 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.26e-06/0.4246, allocations: 7.984 kB / 1.079 GB, free: 14.9 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.152e-06/0.4246, allocations: 0 / 1.079 GB, free: 14.9 MB / 0.8419 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004518/0.425, allocations: 216.6 kB / 1.079 GB, free: 14.67 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 6.993e-05/0.4251, allocations: 96.83 kB / 1.079 GB, free: 14.55 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.533e-05/0.4252, allocations: 4 kB / 1.079 GB, free: 14.55 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001152/0.4253, allocations: 19.97 kB / 1.079 GB, free: 14.53 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.115e-05/0.4254, allocations: 15.98 kB / 1.079 GB, free: 14.52 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.379e-05/0.4254, allocations: 4 kB / 1.079 GB, free: 14.51 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.000195/0.4256, allocations: 194 kB / 1.079 GB, free: 14.32 MB / 0.8419 GB Notification: Performance of sort global known variables: time 1.6e-07/0.4256, allocations: 4 kB / 1.079 GB, free: 14.32 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.0004153/0.426, allocations: 99.62 kB / 1.079 GB, free: 14.22 MB / 0.8419 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 0.0001644/0.4262, allocations: 115 kB / 1.08 GB, free: 14.1 MB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.0008641/0.4271, allocations: 446.6 kB / 1.08 GB, free: 13.64 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 2.475e-06/0.4271, allocations: 0 / 1.08 GB, free: 13.64 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.0002058/0.4273, allocations: 83.14 kB / 1.08 GB, free: 13.56 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004166/0.4277, allocations: 59.98 kB / 1.08 GB, free: 13.51 MB / 0.8419 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0008911/0.4286, allocations: 0.511 MB / 1.081 GB, free: 12.97 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003148/0.4289, allocations: 0.7559 MB / 1.081 GB, free: 12.19 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.0001596/0.4291, allocations: 41.86 kB / 1.081 GB, free: 12.15 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 6.009e-05/0.4292, allocations: 19.44 kB / 1.081 GB, free: 12.13 MB / 0.8419 GB Notification: Performance of SimCode: time 5.81e-07/0.4292, allocations: 0 / 1.081 GB, free: 12.13 MB / 0.8419 GB Notification: Performance of Templates: time 0.008362/0.4375, allocations: 3.638 MB / 1.085 GB, free: 8.562 MB / 0.8419 GB make -j1 -f Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.makefile (rm -f Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe ; mkfifo Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe >> ../files/Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.sim & ./Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Validation.CoolingCoil.pipe 2>&1)