Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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(Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL,fileNamePrefix="Buildings_latest_Buildings_Fluid_Chillers_Validation_Carnot_y_etaPL",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL,fileNamePrefix="Buildings_latest_Buildings_Fluid_Chillers_Validation_Carnot_y_etaPL",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 0.001264/0.001264, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00131/0.00131, allocations: 192.2 kB / 16.25 MB, free: 6.637 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.261/1.261, allocations: 222.9 MB / 239.9 MB, free: 4.52 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.635/2.635, allocations: 461.9 MB / 0.7343 GB, free: 14.98 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001209/0.001209, allocations: 68.3 kB / 0.8987 GB, free: 37.13 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2348/0.236, allocations: 157.4 MB / 1.052 GB, free: 8.676 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL): time 0.06548/0.3015, allocations: 74.57 MB / 1.125 GB, free: 13.85 MB / 0.8887 GB Notification: Performance of NFInst.instExpressions: time 0.0146/0.3162, allocations: 12.67 MB / 1.138 GB, free: 1.16 MB / 0.8887 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001821/0.318, allocations: 63.62 kB / 1.138 GB, free: 1.098 MB / 0.8887 GB Notification: Performance of NFTyping.typeComponents: time 0.001973/0.32, allocations: 0.7112 MB / 1.138 GB, free: 392 kB / 0.8887 GB Notification: Performance of NFTyping.typeBindings: time 0.005852/0.3259, allocations: 2.279 MB / 1.141 GB, free: 14.09 MB / 0.9044 GB Notification: Performance of NFTyping.typeClassSections: time 0.003244/0.3292, allocations: 1.289 MB / 1.142 GB, free: 12.81 MB / 0.9044 GB Notification: Performance of NFFlatten.flatten: time 0.004667/0.3338, allocations: 4.408 MB / 1.146 GB, free: 8.398 MB / 0.9044 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00181/0.3356, allocations: 1.433 MB / 1.148 GB, free: 6.926 MB / 0.9044 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003118/0.3388, allocations: 1.64 MB / 1.149 GB, free: 5.285 MB / 0.9044 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001627/0.3404, allocations: 1.237 MB / 1.15 GB, free: 4.043 MB / 0.9044 GB Notification: Performance of NFPackage.collectConstants: time 0.0003141/0.3407, allocations: 160 kB / 1.15 GB, free: 3.887 MB / 0.9044 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002509/0.3433, allocations: 1.435 MB / 1.152 GB, free: 2.449 MB / 0.9044 GB Notification: Performance of NFScalarize.scalarize: time 0.0004096/0.3437, allocations: 402.6 kB / 1.152 GB, free: 2.055 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.001051/0.3447, allocations: 0.9099 MB / 1.153 GB, free: 1.141 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.003319/0.3481, allocations: 2.851 MB / 1.156 GB, free: 14.28 MB / 0.92 GB Notification: Performance of FrontEnd - DAE generated: time 3.577e-06/0.3481, allocations: 8 kB / 1.156 GB, free: 14.27 MB / 0.92 GB Notification: Performance of FrontEnd: time 1.573e-06/0.3481, allocations: 0 / 1.156 GB, free: 14.27 MB / 0.92 GB Notification: Performance of Transformations before backend: time 4.462e-05/0.3481, allocations: 0 / 1.156 GB, free: 14.27 MB / 0.92 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.003628/0.3518, allocations: 2.083 MB / 1.158 GB, free: 12.12 MB / 0.92 GB Notification: Performance of prepare preOptimizeDAE: time 3.734e-05/0.3518, allocations: 12.62 kB / 1.158 GB, free: 12.11 MB / 0.92 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001766/0.352, allocations: 152.1 kB / 1.158 GB, free: 11.96 MB / 0.92 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007745/0.3528, allocations: 230.8 kB / 1.158 GB, free: 11.73 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002253/0.355, allocations: 1.488 MB / 1.16 GB, free: 10.19 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.273e-05/0.3551, allocations: 78 kB / 1.16 GB, free: 10.11 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001445/0.3553, allocations: 104 kB / 1.16 GB, free: 10.01 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001905/0.3572, allocations: 1.104 MB / 1.161 GB, free: 8.871 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.632e-05/0.3572, allocations: 4 kB / 1.161 GB, free: 8.867 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.544e-05/0.3573, allocations: 36 kB / 1.161 GB, free: 8.832 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.11e-05/0.3573, allocations: 28 kB / 1.161 GB, free: 8.805 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001756/0.3591, allocations: 0.8822 MB / 1.162 GB, free: 7.926 MB / 0.92 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 0.005328/0.3644, allocations: 4.919 MB / 1.167 GB, free: 2.719 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001249/0.3657, allocations: 0.62 MB / 1.167 GB, free: 2.09 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006421/0.3663, allocations: 362.8 kB / 1.168 GB, free: 1.734 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005552/0.3669, allocations: 0.8277 MB / 1.169 GB, free: 0.7227 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.641e-05/0.367, allocations: 39.12 kB / 1.169 GB, free: 0.6758 MB / 0.92 GB Notification: Performance of pre-optimization done (n=62): time 2.435e-06/0.367, allocations: 0 / 1.169 GB, free: 0.6758 MB / 0.92 GB Notification: Performance of matching and sorting (n=62): time 0.00642/0.3734, allocations: 1.697 MB / 1.17 GB, free: 14.95 MB / 0.9356 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.251e-05/0.3734, allocations: 59.97 kB / 1.17 GB, free: 14.88 MB / 0.9356 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001361/0.3748, allocations: 1.21 MB / 1.172 GB, free: 13.65 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 6.074e-05/0.3749, allocations: 41.7 kB / 1.172 GB, free: 13.61 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.000428/0.3753, allocations: 0.6026 MB / 1.172 GB, free: 13 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001709/0.3755, allocations: 212.9 kB / 1.172 GB, free: 12.79 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002263/0.3757, allocations: 154.5 kB / 1.172 GB, free: 12.63 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001215/0.3758, allocations: 337.9 kB / 1.173 GB, free: 12.29 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005877/0.3764, allocations: 296.7 kB / 1.173 GB, free: 12 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007537/0.3772, allocations: 497.1 kB / 1.174 GB, free: 11.45 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001232/0.3784, allocations: 0.7004 MB / 1.174 GB, free: 10.7 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.256e-06/0.3785, allocations: 0 / 1.174 GB, free: 10.7 MB / 0.9356 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004168/0.3826, allocations: 1.285 MB / 1.176 GB, free: 9.402 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 1.691e-05/0.3827, allocations: 8 kB / 1.176 GB, free: 9.395 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.017e-06/0.3827, allocations: 4 kB / 1.176 GB, free: 9.391 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006055/0.3833, allocations: 169 kB / 1.176 GB, free: 9.223 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005313/0.3838, allocations: 151.8 kB / 1.176 GB, free: 9.074 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007364/0.3846, allocations: 0.7123 MB / 1.177 GB, free: 8.336 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009963/0.3856, allocations: 160.5 kB / 1.177 GB, free: 8.18 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.466e-05/0.3856, allocations: 31.98 kB / 1.177 GB, free: 8.148 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009022/0.3866, allocations: 0.5565 MB / 1.177 GB, free: 7.59 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007098/0.3873, allocations: 487 kB / 1.178 GB, free: 7.043 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001224/0.3885, allocations: 0.7004 MB / 1.178 GB, free: 6.297 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.274e-06/0.3885, allocations: 3.938 kB / 1.178 GB, free: 6.293 MB / 0.9356 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004195/0.3927, allocations: 1.273 MB / 1.18 GB, free: 5.008 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 1.185e-05/0.3927, allocations: 8 kB / 1.18 GB, free: 5 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.002e-06/0.3928, allocations: 4 kB / 1.18 GB, free: 4.996 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005646/0.3933, allocations: 161.1 kB / 1.18 GB, free: 4.836 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005498/0.3939, allocations: 151.8 kB / 1.18 GB, free: 4.688 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007412/0.3946, allocations: 0.72 MB / 1.181 GB, free: 3.941 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001016/0.3957, allocations: 131.5 kB / 1.181 GB, free: 3.812 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.177e-05/0.3957, allocations: 35.98 kB / 1.181 GB, free: 3.777 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (77): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,11)} Notification: Performance of prepare postOptimizeDAE: time 0.000202/0.3959, allocations: 220.1 kB / 1.181 GB, free: 3.555 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002195/0.3962, allocations: 134.3 kB / 1.181 GB, free: 3.422 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004427/0.4006, allocations: 1.283 MB / 1.182 GB, free: 2.117 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.375e-05/0.4006, allocations: 12 kB / 1.182 GB, free: 2.105 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.43e-06/0.4006, allocations: 0 / 1.182 GB, free: 2.105 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003796/0.4044, allocations: 1.107 MB / 1.183 GB, free: 0.9609 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005707/0.4102, allocations: 2.621 MB / 1.186 GB, free: 14.23 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.08e-06/0.4102, allocations: 0 / 1.186 GB, free: 14.23 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004278/0.4106, allocations: 111.9 kB / 1.186 GB, free: 14.12 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005257/0.4112, allocations: 157 kB / 1.186 GB, free: 13.96 MB / 0.9512 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.748e-05/0.4112, allocations: 23.98 kB / 1.186 GB, free: 13.94 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006808/0.4119, allocations: 0.7125 MB / 1.187 GB, free: 13.2 MB / 0.9512 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.241e-06/0.4119, allocations: 11.92 kB / 1.187 GB, free: 13.19 MB / 0.9512 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004566/0.4165, allocations: 1.703 MB / 1.189 GB, free: 11.41 MB / 0.9512 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004689/0.417, allocations: 307.2 kB / 1.189 GB, free: 11.09 MB / 0.9512 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001887/0.4172, allocations: 16 kB / 1.189 GB, free: 11.08 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008348/0.418, allocations: 79.88 kB / 1.189 GB, free: 11 MB / 0.9512 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001089/0.4181, allocations: 56.31 kB / 1.189 GB, free: 10.95 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.856e-05/0.4182, allocations: 35.91 kB / 1.189 GB, free: 10.91 MB / 0.9512 GB Notification: Performance of sorting global known variables: time 0.001069/0.4193, allocations: 0.8738 MB / 1.19 GB, free: 10.04 MB / 0.9512 GB Notification: Performance of sort global known variables: time 3.1e-07/0.4193, allocations: 0 / 1.19 GB, free: 10.04 MB / 0.9512 GB Notification: Performance of remove unused functions: time 0.001541/0.4208, allocations: 0.7018 MB / 1.191 GB, free: 9.332 MB / 0.9512 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (chi.con.vol.dynBal.U,chi.eva.vol.dynBal.U) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005622/0.4264, allocations: 2.576 MB / 1.193 GB, free: 6.691 MB / 0.9512 GB Notification: Performance of simCode: created initialization part: time 0.00256/0.429, allocations: 1.164 MB / 1.194 GB, free: 5.523 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 4.509e-06/0.429, allocations: 0 / 1.194 GB, free: 5.523 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.0008363/0.4299, allocations: 387.5 kB / 1.195 GB, free: 5.148 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003209/0.4331, allocations: 0.8079 MB / 1.196 GB, free: 4.363 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02194/0.4551, allocations: 10.87 MB / 1.206 GB, free: 8.984 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000665/0.4557, allocations: 1.172 MB / 1.207 GB, free: 7.781 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.001111/0.4569, allocations: 310.9 kB / 1.208 GB, free: 7.473 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006312/0.4575, allocations: 0.511 MB / 1.208 GB, free: 6.961 MB / 0.9669 GB Notification: Performance of SimCode: time 6.21e-07/0.4575, allocations: 0 / 1.208 GB, free: 6.961 MB / 0.9669 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.193/1.651, allocations: 41.38 MB / 1.248 GB, free: 185.8 MB / 0.9981 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002051/1.651, allocations: 280.8 kB / 1.249 GB, free: 185.5 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.64/5.29, allocations: 1.875 kB / 1.249 GB, free: 185.5 MB / 0.9981 GB (rm -f Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe >> ../files/Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_Chillers_Validation_Carnot_y_etaPL_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_Chillers_Validation_Carnot_y_etaPL.fmu > Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe 2>&1)