Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.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: "" <> buildModelFMU(IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_FMI_Adaptors_Examples_ThermalZoneHVACWithExhaust",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_FMI_Adaptors_Examples_ThermalZoneHVACWithExhaust",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001049/0.001049, allocations: 108.3 kB / 16.4 MB, free: 6.516 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001006/0.001006, allocations: 189.3 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.286/1.286, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7682/0.7682, allocations: 122.9 MB / 414.1 MB, free: 15.83 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001188/0.001188, allocations: 71.05 kB / 0.568 GB, free: 28.94 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1169/0.1181, allocations: 77.93 MB / 0.6441 GB, free: 9.527 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust): time 0.6342/0.7523, allocations: 380.1 MB / 1.015 GB, free: 15.32 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.05643/0.8088, allocations: 46.53 MB / 1.061 GB, free: 0.6602 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005316/0.8141, allocations: 179 kB / 1.061 GB, free: 496 kB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.3972/1.211, allocations: 3.716 MB / 1.064 GB, free: 16.54 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.01842/1.23, allocations: 7.889 MB / 1.072 GB, free: 16.5 MB / 0.8106 GB Notification: Performance of NFTyping.typeClassSections: time 0.008793/1.239, allocations: 3.987 MB / 1.076 GB, free: 16.42 MB / 0.8106 GB Notification: Performance of NFFlatten.flatten: time 0.02238/1.261, allocations: 17.36 MB / 1.093 GB, free: 16.38 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008362/1.269, allocations: 5.627 MB / 1.099 GB, free: 15.81 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01263/1.282, allocations: 6.559 MB / 1.105 GB, free: 15.73 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00696/1.289, allocations: 3.767 MB / 1.109 GB, free: 15.39 MB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 0.001261/1.29, allocations: 0.5033 MB / 1.109 GB, free: 15.39 MB / 0.8106 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01215/1.303, allocations: 6.369 MB / 1.115 GB, free: 15.34 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 0.002414/1.305, allocations: 2.007 MB / 1.117 GB, free: 15.11 MB / 0.8106 GB Notification: Performance of NFVerifyModel.verify: time 0.004509/1.309, allocations: 3.148 MB / 1.12 GB, free: 14.23 MB / 0.8106 GB Notification: Performance of NFConvertDAE.convert: time 0.01514/1.325, allocations: 10.42 MB / 1.131 GB, free: 12.87 MB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 4.468e-06/1.325, allocations: 2.812 kB / 1.131 GB, free: 12.87 MB / 0.8106 GB Notification: Performance of FrontEnd: time 1.513e-06/1.325, allocations: 0 / 1.131 GB, free: 12.87 MB / 0.8106 GB Notification: Performance of Transformations before backend: time 0.0001765/1.325, allocations: 0 / 1.131 GB, free: 12.87 MB / 0.8106 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 864 * Number of variables: 864 Notification: Performance of Generate backend data structure: time 0.01227/1.337, allocations: 6.671 MB / 1.137 GB, free: 9.73 MB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 3.921e-05/1.337, allocations: 11.78 kB / 1.137 GB, free: 9.73 MB / 0.8106 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006664/1.338, allocations: 472.2 kB / 1.138 GB, free: 9.672 MB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01225/1.35, allocations: 2.047 MB / 1.14 GB, free: 9.254 MB / 0.8106 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01135/1.362, allocations: 5.904 MB / 1.145 GB, free: 7.688 MB / 0.8106 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002967/1.362, allocations: 385.7 kB / 1.146 GB, free: 7.551 MB / 0.8106 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000774/1.363, allocations: 350.2 kB / 1.146 GB, free: 7.551 MB / 0.8106 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008731/1.371, allocations: 4.5 MB / 1.15 GB, free: 6.27 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.315e-05/1.371, allocations: 8.812 kB / 1.15 GB, free: 6.27 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004173/1.372, allocations: 147.9 kB / 1.151 GB, free: 6.266 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001344/1.372, allocations: 139.2 kB / 1.151 GB, free: 6.25 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008936/1.381, allocations: 3.947 MB / 1.155 GB, free: 5.242 MB / 0.8106 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 0.02895/1.41, allocations: 19.56 MB / 1.174 GB, free: 4.211 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003965/1.414, allocations: 1.742 MB / 1.175 GB, free: 2.895 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002112/1.416, allocations: 0.907 MB / 1.176 GB, free: 2.246 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006442/1.417, allocations: 408.5 kB / 1.177 GB, free: 1.785 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002432/1.419, allocations: 1.049 MB / 1.178 GB, free: 0.9648 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=127): time 3.296e-06/1.419, allocations: 0 / 1.178 GB, free: 0.9648 MB / 0.8262 GB Notification: Performance of matching and sorting (n=127): time 0.008703/1.428, allocations: 2.91 MB / 1.18 GB, free: 14.66 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.826e-05/1.428, allocations: 155.5 kB / 1.181 GB, free: 14.48 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007344/1.435, allocations: 4.655 MB / 1.185 GB, free: 11.09 MB / 0.8419 GB Notification: Performance of collectPreVariables (initialization): time 0.000345/1.436, allocations: 64.91 kB / 1.185 GB, free: 11.05 MB / 0.8419 GB Notification: Performance of collectInitialEqns (initialization): time 0.001958/1.438, allocations: 2.479 MB / 1.188 GB, free: 9.621 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005275/1.438, allocations: 489.8 kB / 1.188 GB, free: 9.215 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009689/1.439, allocations: 0.6847 MB / 1.189 GB, free: 8.648 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 9.18e-05/1.439, allocations: 313.1 kB / 1.189 GB, free: 8.34 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003077/1.442, allocations: 1.362 MB / 1.19 GB, free: 6.969 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003837/1.446, allocations: 2.514 MB / 1.193 GB, free: 3.961 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006182/1.452, allocations: 3.674 MB / 1.196 GB, free: 15.96 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.727e-05/1.452, allocations: 8 kB / 1.196 GB, free: 15.95 MB / 0.8575 GB Notification: Performance of matching and sorting (n=420) (initialization): time 0.008987/1.461, allocations: 4.264 MB / 1.201 GB, free: 11.89 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 5.782e-05/1.462, allocations: 53.62 kB / 1.201 GB, free: 11.83 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.308e-05/1.462, allocations: 32 kB / 1.201 GB, free: 11.8 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.36e-05/1.462, allocations: 48 kB / 1.201 GB, free: 11.75 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00296/1.465, allocations: 0.7167 MB / 1.201 GB, free: 11.08 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.467e-05/1.465, allocations: 67.27 kB / 1.202 GB, free: 11.03 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004369/1.469, allocations: 0.54 MB / 1.202 GB, free: 10.49 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002562/1.469, allocations: 140 kB / 1.202 GB, free: 10.35 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005108/1.474, allocations: 2.521 MB / 1.205 GB, free: 7.828 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003774/1.478, allocations: 2.507 MB / 1.207 GB, free: 4.832 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.006144/1.484, allocations: 3.68 MB / 1.211 GB, free: 0.832 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.052e-05/1.484, allocations: 8 kB / 1.211 GB, free: 0.8242 MB / 0.8575 GB Notification: Performance of matching and sorting (n=420) (initialization_lambda0): time 0.009518/1.494, allocations: 4.269 MB / 1.215 GB, free: 12.75 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 5.328e-05/1.494, allocations: 47.42 kB / 1.215 GB, free: 12.7 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.4e-05/1.494, allocations: 32.88 kB / 1.215 GB, free: 12.67 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.98e-05/1.494, allocations: 63.67 kB / 1.215 GB, free: 12.61 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003083/1.497, allocations: 0.7137 MB / 1.216 GB, free: 11.94 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.911e-05/1.497, allocations: 69.09 kB / 1.216 GB, free: 11.89 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004652/1.502, allocations: 443.6 kB / 1.216 GB, free: 11.45 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003044/1.502, allocations: 144 kB / 1.216 GB, free: 11.31 MB / 0.8731 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 150 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (352): * Single equations (assignments): 346 * Array equations: 3 * Algorithm blocks: 1 * Record equations: 2 * 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 0.0006314/1.503, allocations: 367.2 kB / 1.217 GB, free: 10.99 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008142/1.504, allocations: 460.9 kB / 1.217 GB, free: 10.54 MB / 0.8731 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005638/1.509, allocations: 2.299 MB / 1.219 GB, free: 8.238 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.332e-05/1.509, allocations: 16 kB / 1.219 GB, free: 8.223 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.185e-06/1.509, allocations: 0 / 1.219 GB, free: 8.223 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004167/1.514, allocations: 1.899 MB / 1.221 GB, free: 6.258 MB / 0.8731 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01316/1.527, allocations: 6.684 MB / 1.228 GB, free: 15.44 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.384e-05/1.527, allocations: 16.16 kB / 1.228 GB, free: 15.43 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001716/1.529, allocations: 319.2 kB / 1.228 GB, free: 15.13 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002183/1.529, allocations: 56.81 kB / 1.228 GB, free: 15.07 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001014/1.529, allocations: 39.98 kB / 1.228 GB, free: 15.03 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001171/1.53, allocations: 1.547 MB / 1.23 GB, free: 13.36 MB / 0.8887 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.176e-05/1.53, allocations: 23.2 kB / 1.23 GB, free: 13.34 MB / 0.8887 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007307/1.537, allocations: 3.369 MB / 1.233 GB, free: 9.871 MB / 0.8887 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001957/1.539, allocations: 0.7554 MB / 1.234 GB, free: 9.094 MB / 0.8887 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005678/1.54, allocations: 43.98 kB / 1.234 GB, free: 9.051 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002579/1.543, allocations: 181.5 kB / 1.234 GB, free: 8.875 MB / 0.8887 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001885/1.543, allocations: 121.9 kB / 1.234 GB, free: 8.766 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001305/1.543, allocations: 67.95 kB / 1.234 GB, free: 8.699 MB / 0.8887 GB Notification: Performance of sorting global known variables: time 0.00483/1.548, allocations: 3.111 MB / 1.237 GB, free: 5.605 MB / 0.8887 GB Notification: Performance of sort global known variables: time 1.9e-07/1.548, allocations: 0 / 1.237 GB, free: 5.605 MB / 0.8887 GB Notification: Performance of remove unused functions: time 0.005622/1.553, allocations: 2.323 MB / 1.239 GB, free: 3.277 MB / 0.8887 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 46 * Number of states: 4 (conPI.I.y,vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (125): * Single equations (assignments): 122 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.008532/1.562, allocations: 4.454 MB / 1.244 GB, free: 14.77 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.01009/1.572, allocations: 4.853 MB / 1.249 GB, free: 10.14 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 8.867e-06/1.572, allocations: 0 / 1.249 GB, free: 10.14 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.002558/1.575, allocations: 1.045 MB / 1.25 GB, free: 9.133 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008932/1.584, allocations: 2.142 MB / 1.252 GB, free: 7.055 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05687/1.64, allocations: 33.5 MB / 1.284 GB, free: 4.344 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002729/1.643, allocations: 3.015 MB / 1.287 GB, free: 1.297 MB / 0.9356 GB Notification: Performance of simCode: alias equations: time 0.004729/1.648, allocations: 1.304 MB / 1.289 GB, free: 15.98 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002685/1.651, allocations: 2.093 MB / 1.291 GB, free: 13.9 MB / 0.9512 GB Notification: Performance of SimCode: time 6.71e-07/1.651, allocations: 0 / 1.291 GB, free: 13.9 MB / 0.9512 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1693/1.82, allocations: 107.8 MB / 1.396 GB, free: 3.391 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 19.76/21.58, allocations: 3.938 kB / 1.396 GB, free: 3.387 MB / 1.045 GB (rm -f IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust_res.csv --start-time 0 --stop-time 172800 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 69.12 IBPSA_latest_IBPSA_Fluid_FMI_Adaptors_Examples_ThermalZoneHVACWithExhaust.fmu > IBPSA_latest_IBPSA.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe 2>&1)