Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=20160,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain") translateModel(IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=20160,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001615/0.001615, allocations: 105.1 kB / 16.4 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001743/0.001743, allocations: 191.9 kB / 17.34 MB, free: 5.582 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.48/1.48, allocations: 222.9 MB / 241 MB, free: 14.95 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8558/0.8558, allocations: 135.2 MB / 426.4 MB, free: 4.07 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001925/0.001925, allocations: 58.16 kB / 0.5863 GB, free: 21.48 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1797/0.1817, allocations: 80.93 MB / 0.6654 GB, free: 5.742 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain): time 0.6288/0.8105, allocations: 202.6 MB / 0.8633 GB, free: 3.535 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01772/0.8282, allocations: 10.16 MB / 0.8732 GB, free: 10.38 MB / 0.6388 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003028/0.8312, allocations: 75.56 kB / 0.8733 GB, free: 10.31 MB / 0.6388 GB Notification: Performance of NFTyping.typeComponents: time 0.004293/0.8355, allocations: 2.75 MB / 0.876 GB, free: 7.551 MB / 0.6388 GB Notification: Performance of NFTyping.typeBindings: time 0.006659/0.8422, allocations: 2.806 MB / 0.8787 GB, free: 4.734 MB / 0.6388 GB Notification: Performance of NFTyping.typeClassSections: time 0.004502/0.8467, allocations: 1.474 MB / 0.8801 GB, free: 3.273 MB / 0.6388 GB Notification: Performance of NFFlatten.flatten: time 0.006614/0.8533, allocations: 3.996 MB / 0.884 GB, free: 15.27 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00315/0.8564, allocations: 1.742 MB / 0.8857 GB, free: 13.48 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004059/0.8605, allocations: 1.734 MB / 0.8874 GB, free: 11.75 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003802/0.8643, allocations: 2.333 MB / 0.8897 GB, free: 9.41 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0004545/0.8648, allocations: 184 kB / 0.8899 GB, free: 9.23 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003441/0.8682, allocations: 1.509 MB / 0.8914 GB, free: 7.719 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.0009815/0.8692, allocations: 0.9093 MB / 0.8922 GB, free: 6.809 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.001605/0.8708, allocations: 1.277 MB / 0.8935 GB, free: 5.523 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.005927/0.8767, allocations: 3.786 MB / 0.8972 GB, free: 1.723 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.382e-06/0.8767, allocations: 4 kB / 0.8972 GB, free: 1.719 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.984e-06/0.8767, allocations: 0 / 0.8972 GB, free: 1.719 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 6.633e-05/0.8768, allocations: 0 / 0.8972 GB, free: 1.719 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 315 * Number of variables: 315 Notification: Performance of Generate backend data structure: time 0.005735/0.8825, allocations: 3.407 MB / 0.9005 GB, free: 14.24 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.542e-05/0.8826, allocations: 21.09 kB / 0.9005 GB, free: 14.22 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001763/0.8843, allocations: 473.6 kB / 0.901 GB, free: 13.76 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002596/0.8869, allocations: 1.614 MB / 0.9026 GB, free: 12.08 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002047/0.8871, allocations: 144.1 kB / 0.9027 GB, free: 11.93 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002156/0.8874, allocations: 128 kB / 0.9028 GB, free: 11.81 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002865/0.8902, allocations: 1.519 MB / 0.9043 GB, free: 10.24 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.777e-05/0.8903, allocations: 3.953 kB / 0.9043 GB, free: 10.24 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001273/0.8904, allocations: 52 kB / 0.9044 GB, free: 10.19 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.692e-05/0.8904, allocations: 46.44 kB / 0.9044 GB, free: 10.14 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002429/0.8929, allocations: 1.255 MB / 0.9056 GB, free: 8.879 MB / 0.67 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 0.01031/0.9032, allocations: 6.515 MB / 0.912 GB, free: 1.934 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002382/0.9056, allocations: 1.128 MB / 0.9131 GB, free: 0.7852 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00121/0.9068, allocations: 0.6161 MB / 0.9137 GB, free: 172 kB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005008/0.9073, allocations: 292.3 kB / 0.914 GB, free: 15.82 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001302/0.9086, allocations: 0.6765 MB / 0.9146 GB, free: 15.14 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=113): time 3.577e-06/0.9086, allocations: 0 / 0.9146 GB, free: 15.14 MB / 0.6856 GB Notification: Performance of matching and sorting (n=113): time 0.005617/0.9142, allocations: 2.372 MB / 0.917 GB, free: 12.71 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.896e-05/0.9143, allocations: 68.34 kB / 0.917 GB, free: 12.63 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005223/0.9195, allocations: 4.039 MB / 0.921 GB, free: 8.582 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0002249/0.9197, allocations: 53.69 kB / 0.921 GB, free: 8.523 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001352/0.9211, allocations: 1.308 MB / 0.9223 GB, free: 7.207 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004896/0.9216, allocations: 384.8 kB / 0.9227 GB, free: 6.828 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003865/0.9219, allocations: 222.8 kB / 0.9229 GB, free: 6.605 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0002061/0.9222, allocations: 353.9 kB / 0.9232 GB, free: 6.254 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001093/0.9232, allocations: 0.4944 MB / 0.9237 GB, free: 5.758 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001296/0.9245, allocations: 0.7456 MB / 0.9244 GB, free: 4.922 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002233/0.9268, allocations: 1.254 MB / 0.9256 GB, free: 3.59 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.878e-05/0.9268, allocations: 4 kB / 0.9257 GB, free: 3.586 MB / 0.6856 GB Notification: Performance of matching and sorting (n=156) (initialization): time 0.003638/0.9304, allocations: 1.784 MB / 0.9274 GB, free: 1.789 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 2.627e-05/0.9305, allocations: 8 kB / 0.9274 GB, free: 1.781 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.841e-05/0.9305, allocations: 15.97 kB / 0.9274 GB, free: 1.766 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006618/0.9311, allocations: 213.6 kB / 0.9276 GB, free: 1.551 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009331/0.9321, allocations: 243.6 kB / 0.9279 GB, free: 1.312 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005257/0.9373, allocations: 4.613 MB / 0.9324 GB, free: 12.43 MB / 0.7013 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001488/0.9388, allocations: 151.1 kB / 0.9325 GB, free: 12.28 MB / 0.7013 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001101/0.9389, allocations: 48 kB / 0.9325 GB, free: 12.23 MB / 0.7013 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 35 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition8,$PRE.intGai.nextTimeEvent,$whenCondition7,$PRE.reference.nextTimeEvent,$whenCondition6,$PRE.outdoorTemp.nextTimeEvent,$whenCondition5,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition4,$PRE.ventRate.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,ventRate.nextTimeEventScaled,$PRE.ventRate.nextTimeEventScaled,ventRate.nextTimeEvent,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (138): * Single equations (assignments): 136 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,14,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001384/0.9403, allocations: 0.7993 MB / 0.9333 GB, free: 11.43 MB / 0.7013 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004705/0.9408, allocations: 298.1 kB / 0.9336 GB, free: 11.13 MB / 0.7013 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003165/0.9439, allocations: 1.64 MB / 0.9352 GB, free: 9.469 MB / 0.7013 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.274e-05/0.944, allocations: 11.94 kB / 0.9352 GB, free: 9.457 MB / 0.7013 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.718e-06/0.944, allocations: 4 kB / 0.9352 GB, free: 9.453 MB / 0.7013 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002506/0.9465, allocations: 1.416 MB / 0.9366 GB, free: 7.98 MB / 0.7013 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006522/0.953, allocations: 3.591 MB / 0.9401 GB, free: 4.309 MB / 0.7013 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.001e-06/0.953, allocations: 3.938 kB / 0.9401 GB, free: 4.305 MB / 0.7013 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008066/0.9538, allocations: 171.8 kB / 0.9403 GB, free: 4.137 MB / 0.7013 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005605/0.9544, allocations: 212.8 kB / 0.9405 GB, free: 3.926 MB / 0.7013 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.48e-05/0.9545, allocations: 31.98 kB / 0.9405 GB, free: 3.895 MB / 0.7013 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005042/0.9595, allocations: 4.617 MB / 0.945 GB, free: 15 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.454e-06/0.9595, allocations: 7.969 kB / 0.945 GB, free: 14.99 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004461/0.964, allocations: 2.378 MB / 0.9474 GB, free: 12.57 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009631/0.9649, allocations: 446.9 kB / 0.9478 GB, free: 12.12 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002369/0.9652, allocations: 27.98 kB / 0.9478 GB, free: 12.09 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007731/0.9659, allocations: 55.91 kB / 0.9479 GB, free: 12.04 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002851/0.9662, allocations: 112.9 kB / 0.948 GB, free: 11.93 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.365e-05/0.9663, allocations: 43.98 kB / 0.948 GB, free: 11.88 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.003706/0.97, allocations: 2.929 MB / 0.9509 GB, free: 8.957 MB / 0.7169 GB Notification: Performance of sort global known variables: time 9e-08/0.97, allocations: 0 / 0.9509 GB, free: 8.957 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.001726/0.9717, allocations: 0.5108 MB / 0.9514 GB, free: 8.445 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 7 (thermalZoneTwoElements.volMoiAir.dynBal.U,thermalZoneTwoElements.volMoiAir.dynBal.m,thermalZoneTwoElements.volMoiAir.dynBal.mXi[1],thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 22 ($whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,ventRate.nextTimeEvent,ventRate.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 13 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,ventRate.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,ventRate.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (95): * Single equations (assignments): 81 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,14,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002117/0.9739, allocations: 0.6137 MB / 0.952 GB, free: 8.02 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.00311/0.977, allocations: 1.471 MB / 0.9534 GB, free: 6.52 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 8.286e-06/0.977, allocations: 8.125 kB / 0.9534 GB, free: 6.512 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.001618/0.9786, allocations: 0.8697 MB / 0.9543 GB, free: 5.617 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00289/0.9815, allocations: 0.5987 MB / 0.9549 GB, free: 5.055 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009305/0.9908, allocations: 5.866 MB / 0.9606 GB, free: 15.12 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001802/0.9926, allocations: 1.897 MB / 0.9624 GB, free: 13.2 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005008/0.9931, allocations: 123.4 kB / 0.9626 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of SimCode: time 9.31e-07/0.9931, allocations: 0 / 0.9626 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of Templates: time 0.07433/1.067, allocations: 50.43 MB / 1.012 GB, free: 10.67 MB / 0.7794 GB make -j1 -f IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.makefile (rm -f IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.pipe ; mkfifo IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.pipe >> ../files/IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.sim & ./IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithoutLatentGain.pipe 2>&1)