Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/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.HeatPumps.Validation.Carnot_y_etaCar,fileNamePrefix="Buildings_9_Buildings_Fluid_HeatPumps_Validation_Carnot_y_etaCar",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar,fileNamePrefix="Buildings_9_Buildings_Fluid_HeatPumps_Validation_Carnot_y_etaCar",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 0.001469/0.001469, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001699/0.0017, allocations: 193 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.208/1.208, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.042/2.042, allocations: 390.2 MB / 0.6647 GB, free: 452 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001129/0.001129, allocations: 63.91 kB / 0.8126 GB, free: 14.37 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4609/0.462, allocations: 140.4 MB / 0.9497 GB, free: 9.215 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar): time 0.05726/0.5193, allocations: 75.24 MB / 1.023 GB, free: 6.355 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.01614/0.5355, allocations: 15.16 MB / 1.038 GB, free: 7.16 MB / 0.795 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001365/0.5369, allocations: 67.62 kB / 1.038 GB, free: 7.094 MB / 0.795 GB Notification: Performance of NFTyping.typeComponents: time 0.001572/0.5385, allocations: 0.8189 MB / 1.039 GB, free: 6.27 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.005203/0.5437, allocations: 2.592 MB / 1.041 GB, free: 3.668 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.002604/0.5463, allocations: 1.385 MB / 1.043 GB, free: 2.293 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.003809/0.5502, allocations: 4.404 MB / 1.047 GB, free: 13.88 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001386/0.5516, allocations: 1.441 MB / 1.048 GB, free: 12.4 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002202/0.5538, allocations: 1.618 MB / 1.05 GB, free: 10.79 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001117/0.5549, allocations: 1.21 MB / 1.051 GB, free: 9.57 MB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 0.0001881/0.5551, allocations: 168 kB / 1.051 GB, free: 9.406 MB / 0.8106 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002128/0.5572, allocations: 1.404 MB / 1.053 GB, free: 8 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 0.0002892/0.5575, allocations: 390.6 kB / 1.053 GB, free: 7.617 MB / 0.8106 GB Notification: Performance of NFVerifyModel.verify: time 0.0006896/0.5582, allocations: 0.906 MB / 1.054 GB, free: 6.707 MB / 0.8106 GB Notification: Performance of NFConvertDAE.convert: time 0.002452/0.5607, allocations: 2.832 MB / 1.057 GB, free: 3.867 MB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 3.046e-06/0.5607, allocations: 0 / 1.057 GB, free: 3.867 MB / 0.8106 GB Notification: Performance of FrontEnd: time 1.072e-06/0.5607, allocations: 0 / 1.057 GB, free: 3.867 MB / 0.8106 GB Notification: Performance of Transformations before backend: time 1.362e-05/0.5607, allocations: 0 / 1.057 GB, free: 3.867 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: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.002839/0.5636, allocations: 2.083 MB / 1.059 GB, free: 1.719 MB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 3.205e-05/0.5636, allocations: 12.03 kB / 1.059 GB, free: 1.707 MB / 0.8106 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001414/0.5637, allocations: 152.1 kB / 1.059 GB, free: 1.551 MB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006828/0.5644, allocations: 226.8 kB / 1.059 GB, free: 1.328 MB / 0.8106 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001826/0.5663, allocations: 1.458 MB / 1.061 GB, free: 15.81 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.737e-05/0.5663, allocations: 74 kB / 1.061 GB, free: 15.74 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001247/0.5665, allocations: 104 kB / 1.061 GB, free: 15.64 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001635/0.5681, allocations: 1.096 MB / 1.062 GB, free: 14.5 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.076e-05/0.5681, allocations: 3.984 kB / 1.062 GB, free: 14.5 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.707e-05/0.5682, allocations: 36 kB / 1.062 GB, free: 14.46 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.727e-05/0.5682, allocations: 27.98 kB / 1.062 GB, free: 14.44 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001674/0.5699, allocations: 0.8978 MB / 1.063 GB, free: 13.54 MB / 0.8262 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 0.004683/0.5746, allocations: 4.95 MB / 1.068 GB, free: 8.305 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00123/0.5759, allocations: 0.6088 MB / 1.068 GB, free: 7.688 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006322/0.5765, allocations: 348.2 kB / 1.069 GB, free: 7.348 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005171/0.577, allocations: 0.8277 MB / 1.069 GB, free: 6.336 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.265e-05/0.5771, allocations: 43.11 kB / 1.069 GB, free: 6.285 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=61): time 1.813e-06/0.5771, allocations: 0 / 1.069 GB, free: 6.285 MB / 0.8262 GB Notification: Performance of matching and sorting (n=61): time 0.006402/0.5835, allocations: 1.693 MB / 1.071 GB, free: 4.562 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.797e-05/0.5835, allocations: 59.95 kB / 1.071 GB, free: 4.492 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001242/0.5848, allocations: 1.226 MB / 1.072 GB, free: 3.25 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 5.035e-05/0.5848, allocations: 41.7 kB / 1.072 GB, free: 3.203 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004152/0.5852, allocations: 0.6065 MB / 1.073 GB, free: 2.59 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001393/0.5854, allocations: 212.9 kB / 1.073 GB, free: 2.379 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001912/0.5856, allocations: 150.6 kB / 1.073 GB, free: 2.223 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 9.469e-05/0.5857, allocations: 341.8 kB / 1.074 GB, free: 1.883 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006113/0.5863, allocations: 288.7 kB / 1.074 GB, free: 1.598 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007317/0.587, allocations: 0.489 MB / 1.074 GB, free: 1.027 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001252/0.5883, allocations: 0.7168 MB / 1.075 GB, free: 268 kB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.767e-06/0.5883, allocations: 0 / 1.075 GB, free: 268 kB / 0.8262 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004209/0.5925, allocations: 1.273 MB / 1.076 GB, free: 14.97 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 1.253e-05/0.5926, allocations: 8 kB / 1.076 GB, free: 14.96 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.564e-06/0.5926, allocations: 4.375 kB / 1.076 GB, free: 14.96 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000496/0.5931, allocations: 136.7 kB / 1.076 GB, free: 14.82 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005401/0.5936, allocations: 159.8 kB / 1.077 GB, free: 14.67 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007342/0.5944, allocations: 0.7162 MB / 1.077 GB, free: 13.93 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007799/0.5952, allocations: 115.1 kB / 1.077 GB, free: 13.81 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.602e-05/0.5952, allocations: 35.98 kB / 1.077 GB, free: 13.78 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008666/0.5961, allocations: 0.5565 MB / 1.078 GB, free: 13.22 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007413/0.5968, allocations: 489.8 kB / 1.078 GB, free: 12.66 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001223/0.5981, allocations: 0.709 MB / 1.079 GB, free: 11.91 MB / 0.8419 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.014e-06/0.5981, allocations: 4 kB / 1.079 GB, free: 11.9 MB / 0.8419 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004169/0.6023, allocations: 1.265 MB / 1.08 GB, free: 10.62 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 1.14e-05/0.6023, allocations: 10.12 kB / 1.08 GB, free: 10.62 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.642e-06/0.6023, allocations: 4.375 kB / 1.08 GB, free: 10.61 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004227/0.6027, allocations: 144.7 kB / 1.081 GB, free: 10.47 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005151/0.6032, allocations: 155.8 kB / 1.081 GB, free: 10.32 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006892/0.6039, allocations: 0.7006 MB / 1.081 GB, free: 9.59 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007887/0.6047, allocations: 103.5 kB / 1.081 GB, free: 9.488 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.038e-05/0.6048, allocations: 35.98 kB / 1.081 GB, free: 9.453 MB / 0.8419 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (78): * Single equations (assignments): 77 * 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 {(1,10)} Notification: Performance of prepare postOptimizeDAE: time 0.0001627/0.605, allocations: 224.1 kB / 1.082 GB, free: 9.227 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001824/0.6052, allocations: 130.4 kB / 1.082 GB, free: 9.098 MB / 0.8419 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004236/0.6094, allocations: 1.275 MB / 1.083 GB, free: 7.797 MB / 0.8419 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.197e-05/0.6094, allocations: 12 kB / 1.083 GB, free: 7.785 MB / 0.8419 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.148e-06/0.6094, allocations: 0 / 1.083 GB, free: 7.785 MB / 0.8419 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003814/0.6133, allocations: 1.103 MB / 1.084 GB, free: 6.652 MB / 0.8419 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00558/0.6188, allocations: 2.621 MB / 1.087 GB, free: 3.922 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.48e-06/0.6189, allocations: 4.438 kB / 1.087 GB, free: 3.918 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004202/0.6193, allocations: 119.8 kB / 1.087 GB, free: 3.801 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004021/0.6197, allocations: 124.8 kB / 1.087 GB, free: 3.676 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.678e-05/0.6197, allocations: 19.98 kB / 1.087 GB, free: 3.656 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004467/0.6242, allocations: 2.645 MB / 1.09 GB, free: 0.8594 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.789e-06/0.6242, allocations: 7.938 kB / 1.09 GB, free: 0.8516 MB / 0.8419 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004664/0.6289, allocations: 1.695 MB / 1.091 GB, free: 15.08 MB / 0.8575 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003382/0.6292, allocations: 299.3 kB / 1.092 GB, free: 14.77 MB / 0.8575 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001438/0.6294, allocations: 20.06 kB / 1.092 GB, free: 14.75 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000702/0.6301, allocations: 59.92 kB / 1.092 GB, free: 14.69 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.545e-05/0.6302, allocations: 56.25 kB / 1.092 GB, free: 14.64 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.048e-05/0.6303, allocations: 31.98 kB / 1.092 GB, free: 14.61 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.000933/0.6312, allocations: 0.8818 MB / 1.093 GB, free: 13.72 MB / 0.8575 GB Notification: Performance of sort global known variables: time 1.41e-07/0.6312, allocations: 0 / 1.093 GB, free: 13.72 MB / 0.8575 GB Notification: Performance of remove unused functions: time 0.001416/0.6326, allocations: 0.7213 MB / 1.093 GB, free: 13 MB / 0.8575 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.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 {(1,10)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005528/0.6382, allocations: 2.59 MB / 1.096 GB, free: 10.34 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.002308/0.6405, allocations: 1.16 MB / 1.097 GB, free: 9.184 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 2.775e-06/0.6405, allocations: 1 kB / 1.097 GB, free: 9.184 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.001287/0.6418, allocations: 0.5602 MB / 1.097 GB, free: 8.613 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002948/0.6448, allocations: 0.8045 MB / 1.098 GB, free: 7.836 MB / 0.8575 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01667/0.6614, allocations: 10.49 MB / 1.108 GB, free: 12.84 MB / 0.8731 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005976/0.662, allocations: 1.187 MB / 1.11 GB, free: 11.62 MB / 0.8731 GB Notification: Performance of simCode: alias equations: time 0.0009042/0.663, allocations: 304.9 kB / 1.11 GB, free: 11.32 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005624/0.6635, allocations: 0.5188 MB / 1.11 GB, free: 10.8 MB / 0.8731 GB Notification: Performance of SimCode: time 3e-07/0.6635, allocations: 0 / 1.11 GB, free: 10.8 MB / 0.8731 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 5.038/5.701, allocations: 42.35 MB / 1.152 GB, free: 0.957 MB / 0.9044 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.48/18.18, allocations: 0 / 1.152 GB, free: 0.957 MB / 0.9044 GB (rm -f Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe ; mkfifo Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe >> ../files/Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar_res.mat --tempDir=temp_Buildings_9_Buildings_Fluid_HeatPumps_Validation_Carnot_y_etaCar_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_Fluid_HeatPumps_Validation_Carnot_y_etaCar.fmu > Buildings_9_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe 2>&1)