Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_FixedResistances_Examples_FlowJunction",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_FixedResistances_Examples_FlowJunction",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 0.006513/0.006513, allocations: 97.77 kB / 15.73 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001684/0.001684, allocations: 193.1 kB / 16.68 MB, free: 5.523 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.409/1.409, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002515/0.002515, allocations: 288.7 kB / 290.8 MB, free: 14.45 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.209/1.209, allocations: 178.6 MB / 0.5074 GB, free: 12.72 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002805/0.002805, allocations: 103.8 kB / 0.6943 GB, free: 15.16 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3699/0.3727, allocations: 89.12 MB / 0.7813 GB, free: 1.109 MB / 0.545 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction): time 0.6187/0.9915, allocations: 239.9 MB / 1.016 GB, free: 19.83 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.009383/1.001, allocations: 7.207 MB / 1.023 GB, free: 19.74 MB / 0.7481 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001219/1.002, allocations: 53.09 kB / 1.023 GB, free: 19.74 MB / 0.7481 GB Notification: Performance of NFTyping.typeComponents: time 0.001448/1.004, allocations: 0.6999 MB / 1.023 GB, free: 19.73 MB / 0.7481 GB Notification: Performance of NFTyping.typeBindings: time 0.004151/1.008, allocations: 2.077 MB / 1.025 GB, free: 19.64 MB / 0.7481 GB Notification: Performance of NFTyping.typeClassSections: time 0.004268/1.012, allocations: 2.032 MB / 1.027 GB, free: 19.58 MB / 0.7481 GB Notification: Performance of NFFlatten.flatten: time 0.003801/1.016, allocations: 3.266 MB / 1.031 GB, free: 19.58 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001446/1.017, allocations: 1.138 MB / 1.032 GB, free: 19.46 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003262/1.021, allocations: 1.784 MB / 1.033 GB, free: 19.45 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001473/1.022, allocations: 0.9712 MB / 1.034 GB, free: 19.44 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.0001725/1.022, allocations: 122.2 kB / 1.034 GB, free: 19.44 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004002/1.026, allocations: 2.492 MB / 1.037 GB, free: 19.42 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.0003708/1.027, allocations: 459.2 kB / 1.037 GB, free: 19.41 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.0007272/1.027, allocations: 0.724 MB / 1.038 GB, free: 19.41 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.003285/1.031, allocations: 2.69 MB / 1.041 GB, free: 19.09 MB / 0.7481 GB Notification: Performance of FrontEnd - DAE generated: time 3.356e-06/1.031, allocations: 0 / 1.041 GB, free: 19.09 MB / 0.7481 GB Notification: Performance of FrontEnd: time 1.553e-06/1.031, allocations: 0.9688 kB / 1.041 GB, free: 19.09 MB / 0.7481 GB Notification: Performance of Transformations before backend: time 1.538e-05/1.031, allocations: 6.781 kB / 1.041 GB, free: 19.09 MB / 0.7481 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 197 * Number of variables: 197 Notification: Performance of Generate backend data structure: time 0.00227/1.033, allocations: 1.755 MB / 1.042 GB, free: 18.14 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 3.267e-05/1.033, allocations: 11.06 kB / 1.042 GB, free: 18.14 MB / 0.7481 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001273/1.033, allocations: 123.9 kB / 1.043 GB, free: 18.1 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002467/1.036, allocations: 432.5 kB / 1.043 GB, free: 18.02 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001335/1.037, allocations: 1.028 MB / 1.044 GB, free: 17.66 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.835e-05/1.037, allocations: 61.94 kB / 1.044 GB, free: 17.66 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001088/1.037, allocations: 88.95 kB / 1.044 GB, free: 17.66 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001287/1.038, allocations: 0.8611 MB / 1.045 GB, free: 17.6 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.428e-05/1.039, allocations: 3.781 kB / 1.045 GB, free: 17.6 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.492e-05/1.039, allocations: 36.47 kB / 1.045 GB, free: 17.6 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.573e-05/1.039, allocations: 29 kB / 1.045 GB, free: 17.6 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001365/1.04, allocations: 0.8092 MB / 1.046 GB, free: 17.59 MB / 0.7481 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 0.00351/1.044, allocations: 3.657 MB / 1.049 GB, free: 15.95 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001252/1.045, allocations: 1.089 MB / 1.05 GB, free: 15.36 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005469/1.045, allocations: 375 kB / 1.051 GB, free: 15.34 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005825/1.046, allocations: 409.5 kB / 1.051 GB, free: 14.97 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.503e-05/1.046, allocations: 39.72 kB / 1.051 GB, free: 14.93 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=60): time 2.204e-06/1.046, allocations: 0 / 1.051 GB, free: 14.93 MB / 0.7481 GB Notification: Performance of matching and sorting (n=60): time 0.001923/1.048, allocations: 0.9647 MB / 1.052 GB, free: 14.82 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.674e-05/1.048, allocations: 58.31 kB / 1.052 GB, free: 14.76 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008468/1.049, allocations: 0.8393 MB / 1.053 GB, free: 14.62 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 4.858e-05/1.049, allocations: 42.48 kB / 1.053 GB, free: 14.59 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002467/1.049, allocations: 479.3 kB / 1.054 GB, free: 14.41 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001189/1.049, allocations: 225.6 kB / 1.054 GB, free: 14.26 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001621/1.049, allocations: 116.5 kB / 1.054 GB, free: 14.24 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 4.479e-05/1.049, allocations: 331.6 kB / 1.054 GB, free: 13.93 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004462/1.05, allocations: 252.1 kB / 1.054 GB, free: 13.92 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004982/1.05, allocations: 370.1 kB / 1.055 GB, free: 13.83 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009191/1.051, allocations: 0.5856 MB / 1.055 GB, free: 13.79 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.485e-06/1.051, allocations: 0 / 1.055 GB, free: 13.79 MB / 0.7481 GB Notification: Performance of matching and sorting (n=69) (initialization): time 0.001156/1.053, allocations: 0.7377 MB / 1.056 GB, free: 13.68 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 1.551e-05/1.053, allocations: 8.703 kB / 1.056 GB, free: 13.68 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.452e-06/1.053, allocations: 5.312 kB / 1.056 GB, free: 13.68 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.641e-05/1.053, allocations: 4.875 kB / 1.056 GB, free: 13.68 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005363/1.053, allocations: 122.8 kB / 1.056 GB, free: 13.68 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.526e-06/1.053, allocations: 5.594 kB / 1.056 GB, free: 13.68 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006964/1.054, allocations: 78.17 kB / 1.056 GB, free: 13.65 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.929e-05/1.054, allocations: 22.7 kB / 1.056 GB, free: 13.65 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006718/1.055, allocations: 0.491 MB / 1.057 GB, free: 13.57 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004837/1.055, allocations: 364.9 kB / 1.057 GB, free: 13.47 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008881/1.056, allocations: 0.5764 MB / 1.058 GB, free: 13.43 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.014e-06/1.056, allocations: 3.062 kB / 1.058 GB, free: 13.43 MB / 0.7481 GB Notification: Performance of matching and sorting (n=69) (initialization_lambda0): time 0.001119/1.057, allocations: 0.7306 MB / 1.058 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 7.985e-06/1.057, allocations: 5.562 kB / 1.058 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.465e-06/1.057, allocations: 0 / 1.058 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.779e-06/1.057, allocations: 5.594 kB / 1.058 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005111/1.058, allocations: 126.8 kB / 1.059 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.482e-06/1.058, allocations: 8.344 kB / 1.059 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000674/1.058, allocations: 62.11 kB / 1.059 GB, free: 13.3 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.188e-05/1.058, allocations: 23.19 kB / 1.059 GB, free: 13.3 MB / 0.7481 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (69): * Single equations (assignments): 69 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 0.0001217/1.059, allocations: 209 kB / 1.059 GB, free: 13.12 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001323/1.059, allocations: 117.2 kB / 1.059 GB, free: 13.06 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001262/1.06, allocations: 0.7451 MB / 1.06 GB, free: 13 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.19e-06/1.06, allocations: 6.219 kB / 1.06 GB, free: 13 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.809e-06/1.06, allocations: 3 kB / 1.06 GB, free: 13 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0009911/1.061, allocations: 0.8995 MB / 1.061 GB, free: 12.55 MB / 0.7481 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002739/1.064, allocations: 2.245 MB / 1.063 GB, free: 11.89 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.69e-06/1.064, allocations: 4.406 kB / 1.063 GB, free: 11.89 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006358/1.064, allocations: 134.9 kB / 1.063 GB, free: 11.89 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.993e-06/1.064, allocations: 5.406 kB / 1.063 GB, free: 11.89 MB / 0.7481 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.508e-05/1.064, allocations: 19.45 kB / 1.063 GB, free: 11.89 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.913e-06/1.064, allocations: 8.469 kB / 1.063 GB, free: 11.89 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.198e-06/1.064, allocations: 8.734 kB / 1.063 GB, free: 11.88 MB / 0.7481 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001685/1.066, allocations: 1.242 MB / 1.064 GB, free: 11.57 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000274/1.066, allocations: 266.3 kB / 1.064 GB, free: 11.41 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001245/1.067, allocations: 18.62 kB / 1.064 GB, free: 11.41 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006598/1.067, allocations: 42.55 kB / 1.064 GB, free: 11.4 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.967e-05/1.067, allocations: 55.08 kB / 1.064 GB, free: 11.4 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.204e-05/1.067, allocations: 20.84 kB / 1.064 GB, free: 11.4 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.000619/1.068, allocations: 0.5828 MB / 1.065 GB, free: 11.29 MB / 0.7481 GB Notification: Performance of sort global known variables: time 2e-07/1.068, allocations: 1.062 kB / 1.065 GB, free: 11.29 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.001043/1.069, allocations: 0.5405 MB / 1.066 GB, free: 11.21 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 6 (spl.vol.dynBal.medium.Xi[1],spl.vol.dynBal.U,spl.vol.dynBal.m,senTem1.T,senTem2.T,senTem3.T) * 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 (60): * Single equations (assignments): 60 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002134/1.071, allocations: 1.91 MB / 1.067 GB, free: 10.36 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.001664/1.073, allocations: 0.9483 MB / 1.068 GB, free: 10.34 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 3.527e-06/1.073, allocations: 0 / 1.068 GB, free: 10.34 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.0005211/1.073, allocations: 343.1 kB / 1.069 GB, free: 10.34 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002427/1.076, allocations: 0.5991 MB / 1.069 GB, free: 10.24 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008492/1.084, allocations: 7.638 MB / 1.077 GB, free: 6.504 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004785/1.085, allocations: 1.131 MB / 1.078 GB, free: 5.75 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.0009077/1.086, allocations: 295.5 kB / 1.078 GB, free: 5.688 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004568/1.086, allocations: 414.7 kB / 1.079 GB, free: 5.383 MB / 0.7481 GB Notification: Performance of SimCode: time 6.21e-07/1.086, allocations: 0 / 1.079 GB, free: 5.383 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05999/1.146, allocations: 29.4 MB / 1.107 GB, free: 10.29 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.707/10.85, allocations: 7.938 kB / 1.107 GB, free: 10.29 MB / 0.7794 GB (rm -f BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction_res.csv --start-time 0 --stop-time 100 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.04 BuildingSystems_BuildingSystems_Fluid_FixedResistances_Examples_FlowJunction.fmu > BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.FlowJunction.pipe 2>&1)