Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_ElectricHeater",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_ElectricHeater",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.421/1.421, allocations: 252 MB / 267.3 MB, free: 10.86 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001122/0.001123, allocations: 174.8 kB / 327 MB, free: 2.105 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.899/1.899, allocations: 205.4 MB / 0.578 GB, free: 20.14 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008846/0.0008845, allocations: 95.91 kB / 0.6826 GB, free: 12.78 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003652/0.0003652, allocations: 9 kB / 0.7971 GB, free: 135.1 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2699/0.2703, allocations: 106.3 MB / 0.9009 GB, free: 63.43 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater): time 0.9126/1.183, allocations: 237.4 MB / 1.133 GB, free: 0.8867 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.03103/1.214, allocations: 19.06 MB / 1.151 GB, free: 408 kB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00658/1.221, allocations: 74.91 kB / 1.151 GB, free: 408 kB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.005204/1.226, allocations: 1.211 MB / 1.153 GB, free: 364 kB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.01288/1.239, allocations: 3.313 MB / 1.156 GB, free: 192 kB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.01207/1.251, allocations: 3.373 MB / 1.159 GB, free: 15.46 MB / 0.7136 GB Notification: Performance of NFFlatten.flatten: time 0.01139/1.262, allocations: 6.906 MB / 1.166 GB, free: 13 MB / 0.7136 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003794/1.266, allocations: 1.689 MB / 1.168 GB, free: 12.06 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.008084/1.274, allocations: 2.584 MB / 1.17 GB, free: 11.04 MB / 0.7136 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005007/1.279, allocations: 1.656 MB / 1.172 GB, free: 10.29 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 0.0006047/1.28, allocations: 90.62 kB / 1.172 GB, free: 10.29 MB / 0.7136 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01016/1.29, allocations: 3.866 MB / 1.176 GB, free: 8.68 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 0.001628/1.292, allocations: 0.6634 MB / 1.176 GB, free: 8.27 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.002911/1.295, allocations: 1.151 MB / 1.177 GB, free: 7.535 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.01199/1.307, allocations: 4.705 MB / 1.182 GB, free: 4.723 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 6.602e-06/1.307, allocations: 0 / 1.182 GB, free: 4.723 MB / 0.7136 GB Notification: Performance of FrontEnd: time 6.422e-06/1.307, allocations: 3.984 kB / 1.182 GB, free: 4.719 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0001144/1.307, allocations: 0 / 1.182 GB, free: 4.719 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 358 * Number of variables: 358 Notification: Performance of Generate backend data structure: time 0.006597/1.314, allocations: 2.572 MB / 1.184 GB, free: 2.844 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 5.866e-05/1.314, allocations: 13.94 kB / 1.184 GB, free: 2.84 MB / 0.7136 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005228/1.314, allocations: 212.1 kB / 1.185 GB, free: 2.672 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005105/1.319, allocations: 0.8194 MB / 1.185 GB, free: 1.914 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004443/1.324, allocations: 1.763 MB / 1.187 GB, free: 152 kB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004519/1.324, allocations: 182.4 kB / 1.187 GB, free: 15.97 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003515/1.325, allocations: 151.9 kB / 1.188 GB, free: 15.82 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003698/1.328, allocations: 1.807 MB / 1.189 GB, free: 13.94 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.313e-05/1.328, allocations: 0 / 1.189 GB, free: 13.94 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001498/1.329, allocations: 67.03 kB / 1.189 GB, free: 13.88 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.484e-05/1.329, allocations: 58.66 kB / 1.189 GB, free: 13.82 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003591/1.332, allocations: 1.58 MB / 1.191 GB, free: 12.23 MB / 0.7292 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 0.01286/1.345, allocations: 8.023 MB / 1.199 GB, free: 3.699 MB / 0.7292 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003097/1.348, allocations: 2.014 MB / 1.201 GB, free: 1.477 MB / 0.7292 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001174/1.349, allocations: 0.5593 MB / 1.201 GB, free: 0.9141 MB / 0.7292 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001427/1.351, allocations: 0.8237 MB / 1.202 GB, free: 15.95 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001406/1.352, allocations: 0.6064 MB / 1.203 GB, free: 15.33 MB / 0.7448 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001379/1.354, allocations: 135 kB / 1.203 GB, free: 15.2 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=88): time 3.857e-06/1.354, allocations: 4 kB / 1.203 GB, free: 15.2 MB / 0.7448 GB Notification: Performance of matching and sorting (n=88): time 0.004719/1.358, allocations: 1.71 MB / 1.204 GB, free: 13.46 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.62e-05/1.359, allocations: 141.5 kB / 1.205 GB, free: 13.29 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002573/1.361, allocations: 1.703 MB / 1.206 GB, free: 11.54 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.000156/1.361, allocations: 49.7 kB / 1.206 GB, free: 11.49 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009005/1.362, allocations: 0.9715 MB / 1.207 GB, free: 10.51 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003346/1.363, allocations: 318.8 kB / 1.208 GB, free: 10.2 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.423e-05/1.363, allocations: 20 kB / 1.208 GB, free: 10.18 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0001496/1.363, allocations: 357.9 kB / 1.208 GB, free: 9.828 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001122/1.364, allocations: 0.4945 MB / 1.208 GB, free: 9.332 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001365/1.365, allocations: 0.8712 MB / 1.209 GB, free: 8.301 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00244/1.368, allocations: 1.334 MB / 1.211 GB, free: 6.84 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.935e-06/1.368, allocations: 8 kB / 1.211 GB, free: 6.832 MB / 0.7448 GB Notification: Performance of matching and sorting (n=143) (initialization): time 0.00352/1.371, allocations: 1.555 MB / 1.212 GB, free: 5.266 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002821/1.372, allocations: 378.9 kB / 1.212 GB, free: 4.77 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.534e-05/1.372, allocations: 12 kB / 1.212 GB, free: 4.758 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.183e-05/1.372, allocations: 15.94 kB / 1.213 GB, free: 4.742 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001181/1.373, allocations: 291.5 kB / 1.213 GB, free: 4.457 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.103e-05/1.373, allocations: 12 kB / 1.213 GB, free: 4.445 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002008/1.375, allocations: 176.4 kB / 1.213 GB, free: 4.273 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000115/1.375, allocations: 59.05 kB / 1.213 GB, free: 4.219 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.147e-05/1.375, allocations: 4 kB / 1.213 GB, free: 4.215 MB / 0.7448 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002702/1.378, allocations: 1.341 MB / 1.214 GB, free: 2.867 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.022e-05/1.378, allocations: 8 kB / 1.214 GB, free: 2.859 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.86e-05/1.378, allocations: 19.98 kB / 1.214 GB, free: 2.84 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001158/1.379, allocations: 280 kB / 1.215 GB, free: 2.566 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.199e-05/1.379, allocations: 23.92 kB / 1.215 GB, free: 2.543 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002028/1.381, allocations: 169.7 kB / 1.215 GB, free: 2.379 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001112/1.381, allocations: 55.98 kB / 1.215 GB, free: 2.324 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * Number of states: 0 () * Number of discrete variables: 7 ($whenCondition1,$PRE.TSet.T_start,TSet.T_start,$PRE.TSet.count,TSet.count,uHea.y,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (139): * Single equations (assignments): 135 * Array equations: 2 * Algorithm blocks: 1 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001277/1.383, allocations: 0.5747 MB / 1.215 GB, free: 1.738 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004447/1.383, allocations: 189.6 kB / 1.216 GB, free: 1.551 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002905/1.386, allocations: 1.256 MB / 1.217 GB, free: 284 kB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.311e-05/1.386, allocations: 11.94 kB / 1.217 GB, free: 272 kB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.634e-06/1.386, allocations: 0 / 1.217 GB, free: 272 kB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002372/1.388, allocations: 1.317 MB / 1.218 GB, free: 14.86 MB / 0.7605 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 postOpt removeSimpleEquations (simulation): time 0.006437/1.395, allocations: 3.157 MB / 1.221 GB, free: 11.6 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.252e-06/1.395, allocations: 0 / 1.221 GB, free: 11.6 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001018/1.396, allocations: 203.9 kB / 1.221 GB, free: 11.4 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002791/1.396, allocations: 52.81 kB / 1.221 GB, free: 11.35 MB / 0.7605 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.152e-05/1.396, allocations: 23.98 kB / 1.221 GB, free: 11.32 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001322/1.398, allocations: 1.425 MB / 1.223 GB, free: 9.766 MB / 0.7605 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.693e-06/1.398, allocations: 11.92 kB / 1.223 GB, free: 9.754 MB / 0.7605 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004251/1.402, allocations: 1.919 MB / 1.225 GB, free: 7.801 MB / 0.7605 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001206/1.403, allocations: 362.5 kB / 1.225 GB, free: 7.426 MB / 0.7605 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002491/1.403, allocations: 23.98 kB / 1.225 GB, free: 7.402 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001345/1.405, allocations: 165.9 kB / 1.225 GB, free: 7.242 MB / 0.7605 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001866/1.405, allocations: 68.91 kB / 1.225 GB, free: 7.176 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.124e-05/1.405, allocations: 27.98 kB / 1.225 GB, free: 7.148 MB / 0.7605 GB Notification: Performance of sorting global known variables: time 0.001872/1.407, allocations: 1.154 MB / 1.227 GB, free: 5.973 MB / 0.7605 GB Notification: Performance of sort global known variables: time 1.8e-07/1.407, allocations: 0 / 1.227 GB, free: 5.973 MB / 0.7605 GB Notification: Performance of remove unused functions: time 0.003658/1.41, allocations: 1.051 MB / 1.228 GB, free: 4.922 MB / 0.7605 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 8 (vol.dynBal.U,vol.dynBal.m,vol.dynBal.mXi[1],mov.filter.x[1],mov.filter.x[2],conPI.I.y,THeaOut.T,eleHea.hea.outCon.T) * Number of discrete variables: 4 ($whenCondition1,TSet.T_start,TSet.count,uHea.y) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 85 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.005758/1.416, allocations: 3.025 MB / 1.23 GB, free: 2.008 MB / 0.7605 GB Notification: Performance of simCode: created initialization part: time 0.0043/1.421, allocations: 2.023 MB / 1.232 GB, free: 15.95 MB / 0.7761 GB Notification: Performance of simCode: created event and clocks part: time 6.702e-06/1.421, allocations: 3.938 kB / 1.232 GB, free: 15.95 MB / 0.7761 GB Notification: Performance of simCode: created simulation system equations: time 0.001401/1.422, allocations: 0.661 MB / 1.233 GB, free: 15.27 MB / 0.7761 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004675/1.427, allocations: 0.8374 MB / 1.234 GB, free: 14.44 MB / 0.7761 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03229/1.459, allocations: 15.95 MB / 1.25 GB, free: 13.43 MB / 0.7917 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001199/1.46, allocations: 1.535 MB / 1.251 GB, free: 11.86 MB / 0.7917 GB Notification: Performance of simCode: alias equations: time 0.002222/1.462, allocations: 459.5 kB / 1.251 GB, free: 11.41 MB / 0.7917 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001134/1.464, allocations: 0.8312 MB / 1.252 GB, free: 10.57 MB / 0.7917 GB Notification: Performance of SimCode: time 9.92e-07/1.464, allocations: 7.938 kB / 1.252 GB, free: 10.57 MB / 0.7917 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08261/1.546, allocations: 47.89 MB / 1.299 GB, free: 11.22 MB / 0.8386 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002266/1.547, allocations: 314.2 kB / 1.299 GB, free: 10.84 MB / 0.8386 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.119/5.665, allocations: 0 / 1.299 GB, free: 10.84 MB / 0.8386 GB (rm -f Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_ElectricHeater_fmu --startTime=0 --stopTime=172800 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_ElectricHeater.fmu > Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricHeater.pipe 2>&1)