Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.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: translateModel(IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T") translateModel(IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001181/0.001181, allocations: 108.9 kB / 17.03 MB, free: 6.094 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001145/0.001145, allocations: 190.9 kB / 17.97 MB, free: 5.191 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.303/1.303, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7366/0.7366, allocations: 115.1 MB / 406.9 MB, free: 6.379 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001249/0.001249, allocations: 63.91 kB / 494.8 MB, free: 15.91 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.305/0.3063, allocations: 76.14 MB / 0.5576 GB, free: 36.63 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T): time 0.4788/0.7851, allocations: 236.3 MB / 0.7884 GB, free: 1.664 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.02164/0.8067, allocations: 17.53 MB / 0.8055 GB, free: 1.418 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003027/0.8098, allocations: 92.81 kB / 0.8056 GB, free: 1.418 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.008711/0.8185, allocations: 4.591 MB / 0.8101 GB, free: 1.348 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.008288/0.8268, allocations: 3.45 MB / 0.8134 GB, free: 1.203 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.005829/0.8327, allocations: 2.516 MB / 0.8159 GB, free: 1.152 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.009887/0.8426, allocations: 7.768 MB / 0.8235 GB, free: 1.113 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003112/0.8457, allocations: 1.914 MB / 0.8253 GB, free: 16.66 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005704/0.8514, allocations: 2.653 MB / 0.8279 GB, free: 16.12 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003494/0.8549, allocations: 1.618 MB / 0.8295 GB, free: 15.57 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0007352/0.8557, allocations: 207.3 kB / 0.8297 GB, free: 15.57 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007157/0.8629, allocations: 3.597 MB / 0.8332 GB, free: 14.87 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.001329/0.8642, allocations: 0.8809 MB / 0.8341 GB, free: 14.37 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.002545/0.8668, allocations: 1.375 MB / 0.8354 GB, free: 13.45 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.008603/0.8754, allocations: 4.873 MB / 0.8402 GB, free: 10.54 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 5.16e-06/0.8754, allocations: 2.812 kB / 0.8402 GB, free: 10.54 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.503e-06/0.8754, allocations: 0 / 0.8402 GB, free: 10.54 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0001021/0.8755, allocations: 0 / 0.8402 GB, free: 10.54 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 337 * Number of variables: 337 Notification: Performance of Generate backend data structure: time 0.006198/0.8818, allocations: 3.231 MB / 0.8433 GB, free: 8.141 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.738e-05/0.8818, allocations: 8.031 kB / 0.8433 GB, free: 8.133 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005519/0.8873, allocations: 0.8806 MB / 0.8442 GB, free: 7.25 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004941/0.8923, allocations: 2.748 MB / 0.8469 GB, free: 4.516 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.825e-05/0.8924, allocations: 106.6 kB / 0.847 GB, free: 4.41 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002556/0.8927, allocations: 143.9 kB / 0.8471 GB, free: 4.27 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003149/0.8958, allocations: 1.673 MB / 0.8488 GB, free: 2.527 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.05e-05/0.8959, allocations: 2.531 kB / 0.8488 GB, free: 2.527 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000134/0.896, allocations: 52 kB / 0.8488 GB, free: 2.477 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.184e-05/0.8961, allocations: 54.52 kB / 0.8489 GB, free: 2.422 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003325/0.8994, allocations: 1.447 MB / 0.8503 GB, free: 0.9805 MB / 0.5919 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 0.01139/0.9108, allocations: 8.107 MB / 0.8582 GB, free: 8.43 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002663/0.9135, allocations: 1.566 MB / 0.8597 GB, free: 6.742 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001117/0.9146, allocations: 0.5142 MB / 0.8602 GB, free: 6.227 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001301/0.9159, allocations: 0.7696 MB / 0.861 GB, free: 5.312 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0012/0.9171, allocations: 0.5454 MB / 0.8615 GB, free: 4.754 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=82): time 2.856e-06/0.9172, allocations: 0 / 0.8615 GB, free: 4.754 MB / 0.6075 GB Notification: Performance of matching and sorting (n=82): time 0.004326/0.9215, allocations: 1.601 MB / 0.8631 GB, free: 3.125 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.096e-05/0.9215, allocations: 68 kB / 0.8631 GB, free: 3.047 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002925/0.9245, allocations: 2.132 MB / 0.8652 GB, free: 0.8906 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 0.0001437/0.9246, allocations: 53.7 kB / 0.8653 GB, free: 0.832 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008547/0.9255, allocations: 1.054 MB / 0.8663 GB, free: 15.77 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002748/0.9258, allocations: 300.1 kB / 0.8666 GB, free: 15.48 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004345/0.9262, allocations: 314.6 kB / 0.8669 GB, free: 15.16 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 8.368e-05/0.9263, allocations: 305.1 kB / 0.8672 GB, free: 14.86 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001243/0.9276, allocations: 0.6259 MB / 0.8678 GB, free: 14.23 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001471/0.9291, allocations: 1.004 MB / 0.8688 GB, free: 13.08 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002514/0.9316, allocations: 1.555 MB / 0.8703 GB, free: 11.43 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.981e-06/0.9316, allocations: 0 / 0.8703 GB, free: 11.43 MB / 0.6231 GB Notification: Performance of matching and sorting (n=199) (initialization): time 0.003591/0.9352, allocations: 1.904 MB / 0.8722 GB, free: 9.57 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 4.185e-05/0.9353, allocations: 37.7 kB / 0.8722 GB, free: 9.527 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.671e-05/0.9353, allocations: 16.05 kB / 0.8722 GB, free: 9.512 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.722e-05/0.9353, allocations: 16 kB / 0.8722 GB, free: 9.496 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001305/0.9366, allocations: 320.3 kB / 0.8725 GB, free: 9.203 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.384e-05/0.9367, allocations: 22.61 kB / 0.8725 GB, free: 9.184 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001601/0.9383, allocations: 182.5 kB / 0.8727 GB, free: 9.004 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001081/0.9384, allocations: 62.52 kB / 0.8728 GB, free: 8.945 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001986/0.9404, allocations: 1.104 MB / 0.8739 GB, free: 7.84 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001488/0.9419, allocations: 1.012 MB / 0.8748 GB, free: 6.676 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002535/0.9444, allocations: 1.548 MB / 0.8764 GB, free: 5.02 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.142e-06/0.9445, allocations: 4 kB / 0.8764 GB, free: 5.016 MB / 0.6231 GB Notification: Performance of matching and sorting (n=199) (initialization_lambda0): time 0.003554/0.948, allocations: 1.909 MB / 0.8782 GB, free: 3.152 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.485e-05/0.9481, allocations: 33.7 kB / 0.8783 GB, free: 3.113 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.184e-05/0.9481, allocations: 8 kB / 0.8783 GB, free: 3.105 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.654e-05/0.9481, allocations: 16 kB / 0.8783 GB, free: 3.09 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001295/0.9494, allocations: 336.4 kB / 0.8786 GB, free: 2.781 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.775e-05/0.9494, allocations: 18.53 kB / 0.8786 GB, free: 2.766 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001632/0.9511, allocations: 162.9 kB / 0.8788 GB, free: 2.605 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001176/0.9512, allocations: 60 kB / 0.8788 GB, free: 2.547 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 42 * 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 (165): * Single equations (assignments): 162 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 1 * 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 0.0003122/0.9515, allocations: 267.8 kB / 0.8791 GB, free: 2.301 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003096/0.9518, allocations: 209.3 kB / 0.8793 GB, free: 2.094 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002758/0.9546, allocations: 1.171 MB / 0.8804 GB, free: 0.9102 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.132e-05/0.9546, allocations: 15.88 kB / 0.8804 GB, free: 0.8945 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.154e-06/0.9546, allocations: 0 / 0.8804 GB, free: 0.8945 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002203/0.9569, allocations: 1.229 MB / 0.8816 GB, free: 15.58 MB / 0.6387 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 postOpt removeSimpleEquations (simulation): time 0.005864/0.9627, allocations: 3.096 MB / 0.8847 GB, free: 12.41 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.925e-06/0.9628, allocations: 4 kB / 0.8847 GB, free: 12.41 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001005/0.9638, allocations: 191.6 kB / 0.8849 GB, free: 12.23 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002042/0.964, allocations: 47.36 kB / 0.8849 GB, free: 12.18 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.147e-05/0.9641, allocations: 27.98 kB / 0.8849 GB, free: 12.15 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001201/0.9653, allocations: 1.534 MB / 0.8864 GB, free: 10.48 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.226e-06/0.9653, allocations: 3.938 kB / 0.8864 GB, free: 10.48 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003593/0.9689, allocations: 1.75 MB / 0.8881 GB, free: 8.699 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009082/0.9698, allocations: 406 kB / 0.8885 GB, free: 8.281 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002597/0.9701, allocations: 19.98 kB / 0.8885 GB, free: 8.262 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00111/0.9712, allocations: 63.94 kB / 0.8886 GB, free: 8.199 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001445/0.9714, allocations: 59.11 kB / 0.8887 GB, free: 8.145 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.985e-05/0.9714, allocations: 31.98 kB / 0.8887 GB, free: 8.113 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.002/0.9734, allocations: 1.425 MB / 0.8901 GB, free: 6.676 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2.81e-07/0.9735, allocations: 4 kB / 0.8901 GB, free: 6.672 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.002572/0.976, allocations: 1.099 MB / 0.8912 GB, free: 5.57 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 8 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,mov.filter.s[1],mov.filter.s[2],conPI.I.y,THeaOut.T,hea.outCon.T) * 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 (82): * Single equations (assignments): 79 * 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 0.001648/0.9777, allocations: 0.7352 MB / 0.8919 GB, free: 5.031 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.004455/0.9822, allocations: 2.299 MB / 0.8941 GB, free: 2.785 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 6.272e-06/0.9822, allocations: 4.062 kB / 0.8941 GB, free: 2.781 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.001322/0.9835, allocations: 0.6019 MB / 0.8947 GB, free: 2.18 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004006/0.9875, allocations: 1.019 MB / 0.8957 GB, free: 1.191 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008004/0.9956, allocations: 4.185 MB / 0.8998 GB, free: 12.98 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001278/0.9969, allocations: 1.656 MB / 0.9014 GB, free: 11.29 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.002162/0.999, allocations: 0.5596 MB / 0.902 GB, free: 10.72 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000472/0.9995, allocations: 167.4 kB / 0.9021 GB, free: 10.56 MB / 0.6544 GB Notification: Performance of SimCode: time 7.52e-07/0.9995, allocations: 0 / 0.9021 GB, free: 10.56 MB / 0.6544 GB Notification: Performance of Templates: time 0.06095/1.06, allocations: 39.01 MB / 0.9402 GB, free: 4.148 MB / 0.6856 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.makefile (rm -f IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.sim & ./IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.AirHeater_T.pipe 2>&1)