Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir") translateModel(Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.116/2.116, allocations: 251.1 MB / 266.7 MB, free: 11.64 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001372/0.001372, allocations: 184.8 kB / 326.2 MB, free: 2.879 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.397/2.397, allocations: 205.4 MB / 0.5772 GB, free: 20.76 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009813/0.0009809, allocations: 86.12 kB / 0.6817 GB, free: 13.64 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0005106/0.0005108, allocations: 12.25 kB / 0.7957 GB, free: 135.5 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2286/0.2291, allocations: 106.3 MB / 0.8995 GB, free: 65.54 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 6.576/6.805, allocations: 2.181 GB / 3.08 GB, free: 5.246 MB / 0.8855 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002946/6.806, allocations: 89.94 kB / 3.08 GB, free: 5.199 MB / 0.8855 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$conAir$bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$conAir$inlet$forward is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$conAirRevFlo$bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$conAirRevFlo$inlet$forward is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$conAirRevFlo$inlet$backward is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$sou$outlet$forward is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$souRev$outlet$forward is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/MassFractionConnector.mo:2:1-41:11:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.MassFractionConnector is not balanced: The number of potential variables (1) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Fluid/FMI/Interfaces/FluidProperties.mo:2:1-72:20:writable] Warning: Connector .Buildings.Fluid.FMI.Interfaces.FluidProperties$souRev$outlet$backward is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). Notification: Performance of FrontEnd - DAE generated: time 1.532/8.338, allocations: 300.4 MB / 3.374 GB, free: 69.56 MB / 0.8855 GB Notification: Performance of FrontEnd: time 1.904e-06/8.338, allocations: 0 / 3.374 GB, free: 69.56 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 2.662e-05/8.338, allocations: 4 kB / 3.374 GB, free: 69.55 MB / 0.8855 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 49 * Number of variables: 49 Notification: Performance of Generate backend data structure: time 0.0004959/8.338, allocations: 443.3 kB / 3.374 GB, free: 69.07 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 3.905e-05/8.339, allocations: 8.031 kB / 3.374 GB, free: 69.07 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.988e-05/8.339, allocations: 24.66 kB / 3.374 GB, free: 69.04 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003345/8.339, allocations: 260.4 kB / 3.374 GB, free: 68.75 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.124e-05/8.339, allocations: 12.81 kB / 3.374 GB, free: 68.74 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.098e-05/8.339, allocations: 28.12 kB / 3.374 GB, free: 68.71 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003904/8.339, allocations: 251.3 kB / 3.375 GB, free: 68.42 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.555e-05/8.339, allocations: 7.938 kB / 3.375 GB, free: 68.41 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.508e-05/8.339, allocations: 4 kB / 3.375 GB, free: 68.41 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.023e-05/8.339, allocations: 8 kB / 3.375 GB, free: 68.4 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001992/8.34, allocations: 87.84 kB / 3.375 GB, free: 68.31 MB / 0.8855 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001048/8.341, allocations: 1.445 MB / 3.376 GB, free: 66.78 MB / 0.8855 GB Notification: Performance of preOpt comSubExp (simulation): time 6.087e-05/8.341, allocations: 181.3 kB / 3.376 GB, free: 66.59 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 1.91e-05/8.341, allocations: 84.08 kB / 3.376 GB, free: 66.51 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 1.778e-05/8.341, allocations: 75.28 kB / 3.376 GB, free: 66.43 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.562e-05/8.341, allocations: 109.8 kB / 3.376 GB, free: 66.32 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=0): time 2.114e-06/8.341, allocations: 0 / 3.376 GB, free: 66.32 MB / 0.8855 GB Notification: Performance of matching and sorting (n=0): time 9.944e-05/8.341, allocations: 45.42 kB / 3.377 GB, free: 66.27 MB / 0.8855 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.882e-05/8.341, allocations: 134.6 kB / 3.377 GB, free: 66.12 MB / 0.8855 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003471/8.341, allocations: 291 kB / 3.377 GB, free: 65.83 MB / 0.8855 GB Notification: Performance of collectPreVariables (initialization): time 6.573e-06/8.341, allocations: 25.7 kB / 3.377 GB, free: 65.8 MB / 0.8855 GB Notification: Performance of collectInitialEqns (initialization): time 9.137e-05/8.342, allocations: 143.9 kB / 3.377 GB, free: 65.66 MB / 0.8855 GB Notification: Performance of collectInitialBindings (initialization): time 3.045e-06/8.342, allocations: 0 / 3.377 GB, free: 65.66 MB / 0.8855 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.918e-06/8.342, allocations: 0 / 3.377 GB, free: 65.66 MB / 0.8855 GB Notification: Performance of setup shared object (initialization): time 7.097e-05/8.342, allocations: 330.8 kB / 3.377 GB, free: 65.32 MB / 0.8855 GB Notification: Performance of preBalanceInitialSystem (initialization): time 1.435e-05/8.342, allocations: 7.938 kB / 3.377 GB, free: 65.32 MB / 0.8855 GB Notification: Performance of partitionIndependentBlocks (initialization): time 2.77e-05/8.342, allocations: 27.44 kB / 3.377 GB, free: 65.28 MB / 0.8855 GB Notification: Performance of analyzeInitialSystem (initialization): time 3.025e-05/8.342, allocations: 12 kB / 3.377 GB, free: 65.27 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.174e-06/8.342, allocations: 0 / 3.377 GB, free: 65.27 MB / 0.8855 GB Notification: Performance of matching and sorting (n=4) (initialization): time 0.0001467/8.342, allocations: 77.28 kB / 3.378 GB, free: 65.18 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 1.773e-05/8.342, allocations: 4 kB / 3.378 GB, free: 65.18 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.932e-06/8.342, allocations: 4.125 kB / 3.378 GB, free: 65.18 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.539e-05/8.342, allocations: 4 kB / 3.378 GB, free: 65.17 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.329e-05/8.342, allocations: 4 kB / 3.378 GB, free: 65.17 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.446e-06/8.342, allocations: 3.938 kB / 3.378 GB, free: 65.16 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001146/8.342, allocations: 27.67 kB / 3.378 GB, free: 65.14 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.204e-06/8.342, allocations: 0 / 3.378 GB, free: 65.14 MB / 0.8855 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (4): * Single equations (assignments): 4 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000106/8.342, allocations: 197.1 kB / 3.378 GB, free: 64.93 MB / 0.8855 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.689e-05/8.342, allocations: 125.3 kB / 3.378 GB, free: 64.8 MB / 0.8855 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.283e-05/8.343, allocations: 125.9 kB / 3.378 GB, free: 64.68 MB / 0.8855 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.218e-05/8.343, allocations: 180.3 kB / 3.378 GB, free: 64.49 MB / 0.8855 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.399e-05/8.343, allocations: 188.1 kB / 3.378 GB, free: 64.3 MB / 0.8855 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.191e-05/8.343, allocations: 180.2 kB / 3.379 GB, free: 64.12 MB / 0.8855 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002558/8.343, allocations: 469.1 kB / 3.379 GB, free: 63.6 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.11e-05/8.343, allocations: 109 kB / 3.379 GB, free: 63.49 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.947e-05/8.343, allocations: 101 kB / 3.379 GB, free: 63.38 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.189e-05/8.343, allocations: 180.3 kB / 3.379 GB, free: 63.2 MB / 0.8855 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.412e-05/8.343, allocations: 184.2 kB / 3.38 GB, free: 63.01 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.036e-05/8.343, allocations: 180.2 kB / 3.38 GB, free: 62.83 MB / 0.8855 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.181e-05/8.343, allocations: 192.1 kB / 3.38 GB, free: 62.63 MB / 0.8855 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001019/8.343, allocations: 327.5 kB / 3.38 GB, free: 62.29 MB / 0.8855 GB Notification: Performance of postOpt removeConstants (simulation): time 8.504e-05/8.343, allocations: 205.8 kB / 3.38 GB, free: 62.06 MB / 0.8855 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.109e-05/8.343, allocations: 184.2 kB / 3.381 GB, free: 61.88 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001243/8.344, allocations: 105 kB / 3.381 GB, free: 61.77 MB / 0.8855 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.921e-05/8.344, allocations: 188.1 kB / 3.381 GB, free: 61.57 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.966e-05/8.344, allocations: 105 kB / 3.381 GB, free: 61.46 MB / 0.8855 GB Notification: Performance of sorting global known variables: time 0.0002443/8.344, allocations: 206 kB / 3.381 GB, free: 61.26 MB / 0.8855 GB Notification: Performance of sort global known variables: time 3.81e-07/8.344, allocations: 0 / 3.381 GB, free: 61.26 MB / 0.8855 GB Notification: Performance of remove unused functions: time 0.0007535/8.345, allocations: 132 kB / 3.381 GB, free: 61.13 MB / 0.8855 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 simulation (0): * Single equations (assignments): 0 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001828/8.347, allocations: 1.3 MB / 3.383 GB, free: 59.8 MB / 0.8855 GB Notification: Performance of simCode: created initialization part: time 0.0001123/8.347, allocations: 19.94 kB / 3.383 GB, free: 59.78 MB / 0.8855 GB Notification: Performance of simCode: created event and clocks part: time 2.826e-06/8.347, allocations: 0 / 3.383 GB, free: 59.78 MB / 0.8855 GB Notification: Performance of simCode: created simulation system equations: time 2.715e-06/8.347, allocations: 0 / 3.383 GB, free: 59.78 MB / 0.8855 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00105/8.348, allocations: 0.6015 MB / 3.383 GB, free: 59.16 MB / 0.8855 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0006015/8.348, allocations: 406.3 kB / 3.384 GB, free: 58.74 MB / 0.8855 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001654/8.349, allocations: 0.7248 MB / 3.384 GB, free: 57.98 MB / 0.8855 GB Notification: Performance of simCode: alias equations: time 0.0001128/8.349, allocations: 25.92 kB / 3.384 GB, free: 57.96 MB / 0.8855 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.692e-05/8.349, allocations: 19.44 kB / 3.384 GB, free: 57.94 MB / 0.8855 GB Notification: Performance of SimCode: time 1.132e-06/8.349, allocations: 0 / 3.384 GB, free: 57.94 MB / 0.8855 GB Notification: Performance of Templates: time 0.03872/8.387, allocations: 18.66 MB / 3.403 GB, free: 39.3 MB / 0.8855 GB make -j1 -f Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.makefile (rm -f Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.pipe ; mkfifo Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.pipe ; head -c 1048576 < Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.pipe >> ../files/Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.sim & ./Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_7.0.0_Buildings.Fluid.FMI.Conversion.Validation.InletToAirMoistAir.pipe 2>&1)