Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static") translateModel(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001282/0.001282, 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 0.001316/0.001316, allocations: 197.1 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.373/1.373, allocations: 205.1 MB / 222.4 MB, free: 4.418 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.769/1.769, allocations: 292.3 MB / 0.5488 GB, free: 12.8 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00143/0.001431, allocations: 69.92 kB / 0.6715 GB, free: 26.12 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2006/0.202, allocations: 114.6 MB / 0.7834 GB, free: 13.49 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static): time 0.06659/0.2687, allocations: 69.92 MB / 0.8516 GB, free: 7.324 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.01992/0.2886, allocations: 14.29 MB / 0.8656 GB, free: 8.996 MB / 0.6856 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002529/0.2912, allocations: 71.56 kB / 0.8657 GB, free: 8.926 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.002659/0.2939, allocations: 0.92 MB / 0.8666 GB, free: 8 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.007965/0.3019, allocations: 2.537 MB / 0.869 GB, free: 5.457 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.004987/0.3069, allocations: 1.967 MB / 0.871 GB, free: 3.504 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.005785/0.3127, allocations: 4.598 MB / 0.8755 GB, free: 14.89 MB / 0.7012 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002307/0.315, allocations: 1.606 MB / 0.877 GB, free: 13.25 MB / 0.7012 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003693/0.3187, allocations: 1.765 MB / 0.8787 GB, free: 11.49 MB / 0.7012 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001816/0.3206, allocations: 1.272 MB / 0.88 GB, free: 10.21 MB / 0.7012 GB Notification: Performance of NFPackage.collectConstants: time 0.0003041/0.3209, allocations: 196 kB / 0.8802 GB, free: 10.02 MB / 0.7012 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004281/0.3252, allocations: 1.914 MB / 0.882 GB, free: 8.105 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.0004977/0.3257, allocations: 462.5 kB / 0.8825 GB, free: 7.652 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.001169/0.3269, allocations: 1.031 MB / 0.8835 GB, free: 6.617 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.005603/0.3325, allocations: 3.494 MB / 0.8869 GB, free: 3.113 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 5.651e-06/0.3325, allocations: 0 / 0.8869 GB, free: 3.113 MB / 0.7012 GB Notification: Performance of FrontEnd: time 2.244e-06/0.3325, allocations: 0 / 0.8869 GB, free: 3.113 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 3.071e-05/0.3326, allocations: 0 / 0.8869 GB, free: 3.113 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 296 * Number of variables: 296 Notification: Performance of Generate backend data structure: time 0.00444/0.337, allocations: 2.306 MB / 0.8892 GB, free: 0.7383 MB / 0.7012 GB Notification: Performance of prepare preOptimizeDAE: time 4.535e-05/0.3371, allocations: 16.03 kB / 0.8892 GB, free: 0.7227 MB / 0.7012 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005478/0.3425, allocations: 0.6931 MB / 0.8898 GB, free: 28 kB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002393/0.345, allocations: 1.494 MB / 0.8913 GB, free: 14.48 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001318/0.3451, allocations: 139.9 kB / 0.8914 GB, free: 14.33 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001815/0.3453, allocations: 120 kB / 0.8916 GB, free: 14.21 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003828/0.3491, allocations: 1.65 MB / 0.8932 GB, free: 12.47 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.736e-05/0.3492, allocations: 7.938 kB / 0.8932 GB, free: 12.46 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001408/0.3493, allocations: 55.94 kB / 0.8932 GB, free: 12.41 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.657e-05/0.3494, allocations: 43.97 kB / 0.8933 GB, free: 12.36 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004838/0.3542, allocations: 1.484 MB / 0.8947 GB, free: 10.87 MB / 0.7169 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 0.009597/0.3638, allocations: 7.311 MB / 0.9019 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002407/0.3662, allocations: 0.8178 MB / 0.9027 GB, free: 2.352 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001741/0.368, allocations: 0.5027 MB / 0.9031 GB, free: 1.848 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001253/0.3693, allocations: 1.27 MB / 0.9044 GB, free: 304 kB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.624e-05/0.3693, allocations: 47.06 kB / 0.9044 GB, free: 248 kB / 0.7169 GB Notification: Performance of pre-optimization done (n=70): time 2.826e-06/0.3693, allocations: 0 / 0.9044 GB, free: 248 kB / 0.7169 GB Notification: Performance of matching and sorting (n=70): time 0.03064/0.4, allocations: 4.147 MB / 0.9085 GB, free: 12.06 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.364e-05/0.4001, allocations: 111.4 kB / 0.9086 GB, free: 11.93 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002129/0.4022, allocations: 1.382 MB / 0.9099 GB, free: 10.54 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0001366/0.4024, allocations: 45.7 kB / 0.91 GB, free: 10.48 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.000606/0.403, allocations: 0.6686 MB / 0.9106 GB, free: 9.809 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002438/0.4032, allocations: 240.5 kB / 0.9109 GB, free: 9.57 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003627/0.4036, allocations: 226.3 kB / 0.9111 GB, free: 9.344 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001317/0.4038, allocations: 341.9 kB / 0.9114 GB, free: 9.004 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001935/0.4057, allocations: 0.5044 MB / 0.9119 GB, free: 8.496 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002186/0.4079, allocations: 0.7823 MB / 0.9127 GB, free: 7.602 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003794/0.4117, allocations: 1.144 MB / 0.9138 GB, free: 6.367 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.39e-06/0.4117, allocations: 0 / 0.9138 GB, free: 6.367 MB / 0.7325 GB Notification: Performance of matching and sorting (n=110) (initialization): time 0.00544/0.4172, allocations: 1.589 MB / 0.9153 GB, free: 4.766 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.603e-05/0.4172, allocations: 12.55 kB / 0.9153 GB, free: 4.754 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.188e-05/0.4172, allocations: 8 kB / 0.9154 GB, free: 4.746 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002021/0.4193, allocations: 0.5623 MB / 0.9159 GB, free: 4.184 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001302/0.4206, allocations: 239.6 kB / 0.9161 GB, free: 3.949 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002034/0.4226, allocations: 1.166 MB / 0.9173 GB, free: 2.758 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002325/0.425, allocations: 230.7 kB / 0.9175 GB, free: 2.531 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001269/0.4251, allocations: 55.94 kB / 0.9175 GB, free: 2.477 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002513/0.4276, allocations: 0.7985 MB / 0.9183 GB, free: 1.672 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002204/0.4298, allocations: 0.7712 MB / 0.9191 GB, free: 0.793 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.395/0.8249, allocations: 1.132 MB / 0.9202 GB, free: 133.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.177e-06/0.8249, allocations: 4.891 kB / 0.9202 GB, free: 133.9 MB / 0.7325 GB Notification: Performance of matching and sorting (n=110) (initialization_lambda0): time 0.00575/0.8307, allocations: 1.576 MB / 0.9217 GB, free: 133.8 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 1.947e-05/0.8307, allocations: 8.766 kB / 0.9217 GB, free: 133.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.175e-05/0.8307, allocations: 5.969 kB / 0.9217 GB, free: 133.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00198/0.8327, allocations: 0.5673 MB / 0.9223 GB, free: 133.8 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001354/0.8341, allocations: 237.6 kB / 0.9225 GB, free: 133.8 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001983/0.8361, allocations: 1.169 MB / 0.9237 GB, free: 133.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002313/0.8384, allocations: 198.1 kB / 0.9238 GB, free: 133.3 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001083/0.8385, allocations: 53.62 kB / 0.9239 GB, free: 133.3 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * Number of states: 0 () * Number of discrete variables: 2 (heaPum.com.isOn,$PRE.heaPum.com.isOn) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (82): * Single equations (assignments): 81 * 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 {(4,25)} Notification: Performance of prepare postOptimizeDAE: time 0.0003175/0.8388, allocations: 236 kB / 0.9241 GB, free: 133.1 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003242/0.8392, allocations: 144.4 kB / 0.9243 GB, free: 133.1 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004422/0.8436, allocations: 1.368 MB / 0.9256 GB, free: 132.9 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.289e-05/0.8436, allocations: 12.72 kB / 0.9256 GB, free: 132.9 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.292e-06/0.8436, allocations: 0 / 0.9256 GB, free: 132.9 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003586/0.8472, allocations: 1.167 MB / 0.9267 GB, free: 132.5 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007777/0.855, allocations: 3.481 MB / 0.9301 GB, free: 130.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.105e-05/0.8551, allocations: 6.062 kB / 0.9302 GB, free: 130.6 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00085/0.8559, allocations: 139 kB / 0.9303 GB, free: 130.6 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001779/0.8577, allocations: 0.5527 MB / 0.9308 GB, free: 130.5 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.598e-05/0.8578, allocations: 30.27 kB / 0.9309 GB, free: 130.5 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001777/0.8596, allocations: 1.153 MB / 0.932 GB, free: 129.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.941e-06/0.8596, allocations: 9.219 kB / 0.932 GB, free: 129.7 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00427/0.8639, allocations: 1.439 MB / 0.9334 GB, free: 129 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006231/0.8645, allocations: 353.6 kB / 0.9337 GB, free: 128.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002184/0.8647, allocations: 21.98 kB / 0.9338 GB, free: 128.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001689/0.8664, allocations: 123.9 kB / 0.9339 GB, free: 128.8 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001302/0.8666, allocations: 57.64 kB / 0.9339 GB, free: 128.7 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.668e-05/0.8667, allocations: 48.56 kB / 0.934 GB, free: 128.7 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.00155/0.8682, allocations: 0.974 MB / 0.9349 GB, free: 128.3 MB / 0.7325 GB Notification: Performance of sort global known variables: time 3.1e-07/0.8682, allocations: 0 / 0.9349 GB, free: 128.3 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.002449/0.8707, allocations: 0.8938 MB / 0.9358 GB, free: 128.2 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 1 (heaPum.com.isOn) * Number of discrete states: 1 (heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (42): * Single equations (assignments): 39 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 {(4,25)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00125/0.8719, allocations: 0.5518 MB / 0.9363 GB, free: 128.1 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.007202/0.8792, allocations: 1.889 MB / 0.9382 GB, free: 127.6 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.084e-05/0.8792, allocations: 8.375 kB / 0.9382 GB, free: 127.6 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.002134/0.8813, allocations: 0.5411 MB / 0.9387 GB, free: 127.4 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004369/0.8857, allocations: 0.8455 MB / 0.9395 GB, free: 127.2 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007221/0.8929, allocations: 2.66 MB / 0.9421 GB, free: 125.8 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008129/0.8938, allocations: 1.208 MB / 0.9433 GB, free: 125.1 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.002144/0.8959, allocations: 332.5 kB / 0.9436 GB, free: 125 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000373/0.8963, allocations: 124.6 kB / 0.9438 GB, free: 125 MB / 0.7325 GB Notification: Performance of SimCode: time 1.122e-06/0.8963, allocations: 0 / 0.9438 GB, free: 125 MB / 0.7325 GB Notification: Performance of Templates: time 0.05542/0.9518, allocations: 40.29 MB / 0.9831 GB, free: 96.67 MB / 0.7325 GB make -j1 -f Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.makefile (rm -f Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.pipe ; mkfifo Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.pipe >> ../files/Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.sim & ./Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_Static.pipe 2>&1)