Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-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: translateModel(Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|zon.TAir|equEle.y",fileNamePrefix="Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable") translateModel(Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|zon.TAir|equEle.y",fileNamePrefix="Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009803/0.0009803, allocations: 100.9 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001119/0.001119, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.416/1.416, allocations: 223.2 MB / 239.9 MB, free: 5.355 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.436/2.436, allocations: 390.2 MB / 0.6653 GB, free: 2.965 MB / 0.5138 GB Notification: Performance of FrontEnd - loaded program: time 0.0003362/0.0003362, allocations: 12 kB / 0.8145 GB, free: 14.3 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7497/0.75, allocations: 142.3 MB / 0.9535 GB, free: 8.086 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable): time 0.1878/0.9378, allocations: 158.5 MB / 1.108 GB, free: 1.312 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.03195/0.9698, allocations: 20.5 MB / 1.128 GB, free: 12.77 MB / 0.8888 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005842/0.9757, allocations: 83.44 kB / 1.128 GB, free: 12.69 MB / 0.8888 GB Notification: Performance of NFTyping.typeComponents: time 0.003634/0.9794, allocations: 0.6089 MB / 1.129 GB, free: 12.08 MB / 0.8888 GB Notification: Performance of NFTyping.typeBindings: time 0.01018/0.9896, allocations: 2.331 MB / 1.131 GB, free: 9.75 MB / 0.8888 GB Notification: Performance of NFTyping.typeClassSections: time 0.008984/0.9986, allocations: 2.691 MB / 1.134 GB, free: 7.098 MB / 0.8888 GB Notification: Performance of NFFlatten.flatten: time 0.004641/1.003, allocations: 2.111 MB / 1.136 GB, free: 4.98 MB / 0.8888 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002693/1.006, allocations: 1.645 MB / 1.138 GB, free: 3.309 MB / 0.8888 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002552/1.009, allocations: 1.168 MB / 1.139 GB, free: 2.137 MB / 0.8888 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001108/1.01, allocations: 0.8281 MB / 1.139 GB, free: 1.305 MB / 0.8888 GB Notification: Performance of NFPackage.collectConstants: time 0.0001699/1.01, allocations: 68 kB / 1.14 GB, free: 1.238 MB / 0.8888 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002707/1.013, allocations: 1.014 MB / 1.141 GB, free: 228 kB / 0.8888 GB Notification: Performance of NFScalarize.scalarize: time 0.0004755/1.013, allocations: 466.3 kB / 1.141 GB, free: 15.77 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.0004909/1.014, allocations: 428.6 kB / 1.141 GB, free: 15.34 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.003273/1.017, allocations: 2.849 MB / 1.144 GB, free: 12.48 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 2.845e-06/1.017, allocations: 0 / 1.144 GB, free: 12.48 MB / 0.9044 GB Notification: Performance of FrontEnd: time 2.314e-06/1.017, allocations: 4 kB / 1.144 GB, free: 12.48 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 3.164e-05/1.017, allocations: 0 / 1.144 GB, free: 12.48 MB / 0.9044 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 430 * Number of variables: 430 Notification: Performance of Generate backend data structure: time 0.004199/1.021, allocations: 2.232 MB / 1.146 GB, free: 10.18 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.48e-05/1.021, allocations: 8.031 kB / 1.146 GB, free: 10.18 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002794/1.024, allocations: 0.4968 MB / 1.147 GB, free: 9.676 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002687/1.027, allocations: 1.375 MB / 1.148 GB, free: 8.246 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001966/1.027, allocations: 165 kB / 1.148 GB, free: 8.078 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002515/1.027, allocations: 172 kB / 1.149 GB, free: 7.91 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003425/1.031, allocations: 1.955 MB / 1.15 GB, free: 5.891 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.312e-05/1.031, allocations: 3.953 kB / 1.15 GB, free: 5.887 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001641/1.031, allocations: 76 kB / 1.15 GB, free: 5.812 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.358e-05/1.031, allocations: 40 kB / 1.151 GB, free: 5.773 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003512/1.034, allocations: 1.948 MB / 1.152 GB, free: 3.82 MB / 0.9044 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 0.0109/1.045, allocations: 6.892 MB / 1.159 GB, free: 12.62 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00251/1.048, allocations: 1.521 MB / 1.161 GB, free: 11.04 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002765/1.048, allocations: 142.3 kB / 1.161 GB, free: 10.88 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001522/1.05, allocations: 0.9321 MB / 1.162 GB, free: 9.926 MB / 0.92 GB Notification: Performance of pre-optimization done (n=147): time 5.8e-06/1.05, allocations: 3.984 kB / 1.162 GB, free: 9.922 MB / 0.92 GB Notification: Performance of matching and sorting (n=147): time 0.005168/1.055, allocations: 2.484 MB / 1.164 GB, free: 7.363 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001655/1.055, allocations: 304 kB / 1.164 GB, free: 7 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001871/1.057, allocations: 1.288 MB / 1.166 GB, free: 5.695 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.0001788/1.057, allocations: 65.69 kB / 1.166 GB, free: 5.625 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007164/1.058, allocations: 0.7282 MB / 1.166 GB, free: 4.887 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004572/1.058, allocations: 469.3 kB / 1.167 GB, free: 4.422 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.864e-05/1.058, allocations: 28 kB / 1.167 GB, free: 4.395 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 0.0001637/1.059, allocations: 365.9 kB / 1.167 GB, free: 4.031 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00106/1.06, allocations: 0.5661 MB / 1.168 GB, free: 3.465 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001269/1.061, allocations: 0.8177 MB / 1.169 GB, free: 2.574 MB / 0.92 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001247/1.062, allocations: 0.6987 MB / 1.169 GB, free: 1.875 MB / 0.92 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.861e-06/1.062, allocations: 0 / 1.169 GB, free: 1.875 MB / 0.92 GB Notification: Performance of matching and sorting (n=191) (initialization): time 0.00315/1.065, allocations: 1.697 MB / 1.171 GB, free: 164 kB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 4.696e-05/1.065, allocations: 41.69 kB / 1.171 GB, free: 116 kB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.345e-05/1.065, allocations: 4 kB / 1.171 GB, free: 112 kB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002455/1.066, allocations: 70.55 kB / 1.171 GB, free: 32 kB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001445/1.067, allocations: 327.6 kB / 1.171 GB, free: 15.71 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.061e-05/1.067, allocations: 20.8 kB / 1.171 GB, free: 15.69 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001654/1.069, allocations: 226.4 kB / 1.172 GB, free: 15.46 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000138/1.069, allocations: 67.95 kB / 1.172 GB, free: 15.4 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 43 (zon.fmuZon.tLast,$whenCondition1,equEle.y,equEle.yEP[1],equEle.yEP[2],$PRE.equEle.tNext,equEle.tNext,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$PRE.building.weaDat.locTim.tNext,building.weaDat.locTim.tNext,$PRE.building.weaDat.conTimMin.tNext,building.weaDat.conTimMin.tNext,$PRE.building.weaDat.conTim.tNext,building.weaDat.conTim.tNext,$PRE.building.weaDat.eqnTim.tNext,building.weaDat.eqnTim.tNext,$PRE.building.weaDat.decAng.tNext,building.weaDat.decAng.tNext,zon.fmuZon.TRad,zon.fmuZon.QLat_flow,zon.fmuZon.QPeo_flow,zon.fmuZon.yEP[1],zon.fmuZon.yEP[2],zon.fmuZon.yEP[3],zon.fmuZon.yEP[4],zon.fmuZon.yEP[5],$PRE.zon.fmuZon.tNext,zon.fmuZon.tNext,$PRE.zon.fmuZon.tLast,zon.fmuZon.dtLast,zon.fmuZon.mInlet_flow,$PRE.zon.fmuZon.TAveInlet,zon.fmuZon.TAveInlet,zon.fmuZon.TRooLast,zon.fmuZon.QConLast_flow,zon.fmuZon.nObj,zon.vol.computeCSen,equEle.nObj) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (179): * Single equations (assignments): 175 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 5} Notification: Performance of prepare postOptimizeDAE: time 0.001139/1.07, allocations: 0.5152 MB / 1.172 GB, free: 14.87 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003103/1.07, allocations: 177.9 kB / 1.172 GB, free: 14.69 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003502/1.074, allocations: 1.788 MB / 1.174 GB, free: 12.88 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.136e-05/1.074, allocations: 16 kB / 1.174 GB, free: 12.87 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.08e-05/1.074, allocations: 0 / 1.174 GB, free: 12.87 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002542/1.077, allocations: 1.485 MB / 1.176 GB, free: 11.35 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006889/1.083, allocations: 3.9 MB / 1.179 GB, free: 7.363 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.179e-05/1.083, allocations: 4 kB / 1.179 GB, free: 7.359 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001062/1.085, allocations: 251.8 kB / 1.18 GB, free: 7.113 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003068/1.085, allocations: 60.83 kB / 1.18 GB, free: 7.051 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001083/1.085, allocations: 47.95 kB / 1.18 GB, free: 7.004 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002159/1.087, allocations: 1.596 MB / 1.181 GB, free: 5.27 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.649e-06/1.087, allocations: 7.891 kB / 1.181 GB, free: 5.262 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004859/1.092, allocations: 2.812 MB / 1.184 GB, free: 2.324 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001157/1.093, allocations: 494.5 kB / 1.185 GB, free: 1.82 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002307/1.093, allocations: 39.98 kB / 1.185 GB, free: 1.781 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001237/1.095, allocations: 140.8 kB / 1.185 GB, free: 1.645 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002854/1.095, allocations: 113.1 kB / 1.185 GB, free: 1.535 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001273/1.095, allocations: 71.95 kB / 1.185 GB, free: 1.465 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.001272/1.096, allocations: 0.8516 MB / 1.186 GB, free: 0.6133 MB / 0.9356 GB Notification: Performance of sort global known variables: time 3.61e-07/1.096, allocations: 0 / 1.186 GB, free: 0.6133 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.001867/1.098, allocations: 0.6274 MB / 1.186 GB, free: 15.98 MB / 0.9513 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 3 (zon.vol.medium.Xi[1],zon.vol.U,zon.vol.m) * Number of discrete variables: 31 ($whenCondition1,equEle.y,equEle.yEP[1],equEle.yEP[2],equEle.tNext,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,building.weaDat.locTim.tNext,building.weaDat.conTimMin.tNext,building.weaDat.conTim.tNext,building.weaDat.eqnTim.tNext,building.weaDat.decAng.tNext,zon.fmuZon.TRad,zon.fmuZon.QLat_flow,zon.fmuZon.QPeo_flow,zon.fmuZon.yEP[1],zon.fmuZon.yEP[2],zon.fmuZon.yEP[3],zon.fmuZon.yEP[4],zon.fmuZon.yEP[5],zon.fmuZon.tNext,zon.fmuZon.tLast,zon.fmuZon.dtLast,zon.fmuZon.mInlet_flow,zon.fmuZon.TAveInlet,zon.fmuZon.TRooLast,zon.fmuZon.QConLast_flow) * Number of discrete states: 9 (zon.fmuZon.tNext,zon.fmuZon.tLast,building.weaDat.conTimMin.tNext,building.weaDat.decAng.tNext,building.weaDat.eqnTim.tNext,building.weaDat.conTim.tNext,building.weaDat.locTim.tNext,zon.fmuZon.TAveInlet,equEle.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (152): * Single equations (assignments): 131 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 19 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(1,100.0%) 2} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001936/1.1, allocations: 0.8978 MB / 1.187 GB, free: 15.32 MB / 0.9513 GB Notification: Performance of simCode: created initialization part: time 0.00322/1.103, allocations: 1.548 MB / 1.189 GB, free: 13.75 MB / 0.9513 GB Notification: Performance of simCode: created event and clocks part: time 6.812e-06/1.103, allocations: 0 / 1.189 GB, free: 13.75 MB / 0.9513 GB Notification: Performance of simCode: created simulation system equations: time 0.001836/1.105, allocations: 0.9396 MB / 1.19 GB, free: 12.79 MB / 0.9513 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002927/1.108, allocations: 0.5618 MB / 1.19 GB, free: 12.24 MB / 0.9513 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008045/1.116, allocations: 4.299 MB / 1.194 GB, free: 7.887 MB / 0.9513 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001599/1.118, allocations: 1.484 MB / 1.196 GB, free: 6.367 MB / 0.9513 GB Notification: Performance of simCode: alias equations: time 0.002212/1.12, allocations: 472.5 kB / 1.196 GB, free: 5.898 MB / 0.9513 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007245/1.121, allocations: 231.2 kB / 1.196 GB, free: 5.672 MB / 0.9513 GB Notification: Performance of SimCode: time 1.172e-06/1.121, allocations: 0 / 1.196 GB, free: 5.672 MB / 0.9513 GB Notification: Performance of Templates: time 0.04989/1.171, allocations: 27.67 MB / 1.223 GB, free: 10.28 MB / 0.9825 GB make -j1 -f Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.makefile (rm -f Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.pipe ; mkfifo Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.pipe ; head -c 1048576 < Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.pipe >> ../files/Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.sim & ./Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.ThermalZones.EnergyPlus_9_6_0.Validation.OutputVariable.OneZoneOneOutputVariable.pipe 2>&1)