Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull") translateModel(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.2092/0.2119, allocations: 80.85 MB / 0.6706 GB, free: 2.039 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull): time 0.007747/0.2198, allocations: 5.295 MB / 0.6758 GB, free: 12.71 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.007032/0.2268, allocations: 4.186 MB / 0.6799 GB, free: 8.512 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006823/0.2276, allocations: 19.88 kB / 0.6799 GB, free: 8.492 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.001782/0.2295, allocations: 0.5825 MB / 0.6805 GB, free: 7.91 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.002188/0.2317, allocations: 0.6688 MB / 0.6811 GB, free: 7.238 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.001838/0.2335, allocations: 0.5533 MB / 0.6817 GB, free: 6.684 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.001754/0.2353, allocations: 1.135 MB / 0.6828 GB, free: 5.543 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007132/0.236, allocations: 429.6 kB / 0.6832 GB, free: 5.109 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0006762/0.2367, allocations: 462.4 kB / 0.6836 GB, free: 4.656 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008181/0.2375, allocations: 0.5371 MB / 0.6842 GB, free: 4.117 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.000103/0.2376, allocations: 64 kB / 0.6842 GB, free: 4.055 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001684/0.2393, allocations: 0.8342 MB / 0.685 GB, free: 3.219 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.0003566/0.2397, allocations: 323.1 kB / 0.6853 GB, free: 2.902 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.0004206/0.2401, allocations: 417.9 kB / 0.6857 GB, free: 2.492 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.001814/0.2419, allocations: 1.394 MB / 0.6871 GB, free: 1.094 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 6.432e-06/0.242, allocations: 3.938 kB / 0.6871 GB, free: 1.09 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.553e-06/0.242, allocations: 0 / 0.6871 GB, free: 1.09 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 1.073e-05/0.242, allocations: 0 / 0.6871 GB, free: 1.09 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 179 * Number of variables: 179 Notification: Performance of Generate backend data structure: time 0.002101/0.2441, allocations: 1.141 MB / 0.6882 GB, free: 15.9 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.647e-05/0.2441, allocations: 12.03 kB / 0.6882 GB, free: 15.89 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009803/0.254, allocations: 1.692 MB / 0.6899 GB, free: 14.19 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001873/0.2559, allocations: 0.6352 MB / 0.6905 GB, free: 13.52 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.748e-05/0.256, allocations: 49.66 kB / 0.6905 GB, free: 13.47 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001849/0.2561, allocations: 60.11 kB / 0.6906 GB, free: 13.41 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004963/0.2611, allocations: 1.893 MB / 0.6925 GB, free: 11.46 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.199e-05/0.2612, allocations: 7.844 kB / 0.6925 GB, free: 11.45 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00011/0.2613, allocations: 27.98 kB / 0.6925 GB, free: 11.42 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003488/0.2616, allocations: 153.4 kB / 0.6926 GB, free: 11.27 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007912/0.2696, allocations: 2.581 MB / 0.6952 GB, free: 8.688 MB / 0.5294 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01124/0.2808, allocations: 6.329 MB / 0.7013 GB, free: 2.066 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003516/0.2844, allocations: 1.262 MB / 0.7026 GB, free: 0.7852 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00266/0.2871, allocations: 0.9038 MB / 0.7035 GB, free: 15.87 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002631/0.2898, allocations: 1.491 MB / 0.7049 GB, free: 14.32 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.831e-05/0.2898, allocations: 42.55 kB / 0.7049 GB, free: 14.27 MB / 0.545 GB Notification: Performance of pre-optimization done (n=73): time 2.585e-06/0.2898, allocations: 0 / 0.7049 GB, free: 14.27 MB / 0.545 GB Notification: Performance of matching and sorting (n=107): time 0.02927/0.3191, allocations: 8.147 MB / 0.7129 GB, free: 6.062 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.484e-05/0.3193, allocations: 90.11 kB / 0.713 GB, free: 5.953 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001026/0.3203, allocations: 0.5808 MB / 0.7136 GB, free: 5.359 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0001762/0.3205, allocations: 41.7 kB / 0.7136 GB, free: 5.312 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003336/0.3208, allocations: 415.1 kB / 0.714 GB, free: 4.898 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004533/0.3213, allocations: 370.6 kB / 0.7143 GB, free: 4.531 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006036/0.3219, allocations: 258.7 kB / 0.7146 GB, free: 4.273 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0002202/0.3221, allocations: 394.7 kB / 0.715 GB, free: 3.879 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003245/0.3254, allocations: 1.114 MB / 0.7161 GB, free: 2.762 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003463/0.3289, allocations: 1.46 MB / 0.7175 GB, free: 1.16 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006761/0.3357, allocations: 2.596 MB / 0.72 GB, free: 14.42 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.924e-05/0.3357, allocations: 4 kB / 0.72 GB, free: 14.41 MB / 0.5606 GB Notification: Performance of matching and sorting (n=163) (initialization): time 0.0121/0.3478, allocations: 3.862 MB / 0.7238 GB, free: 10.53 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 4.794e-05/0.3479, allocations: 11.98 kB / 0.7238 GB, free: 10.52 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.023e-05/0.348, allocations: 16 kB / 0.7238 GB, free: 10.5 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.005359/0.3533, allocations: 1.33 MB / 0.7251 GB, free: 9.16 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002403/0.3558, allocations: 451.2 kB / 0.7255 GB, free: 8.719 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01796/0.3737, allocations: 12.13 MB / 0.7374 GB, free: 12.04 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002613/0.3764, allocations: 303.6 kB / 0.7377 GB, free: 11.74 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003552/0.3768, allocations: 71.95 kB / 0.7378 GB, free: 11.67 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003901/0.3807, allocations: 1.31 MB / 0.739 GB, free: 10.35 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00362/0.3843, allocations: 1.448 MB / 0.7404 GB, free: 8.762 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.006838/0.3912, allocations: 2.569 MB / 0.743 GB, free: 6.047 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.669e-05/0.3912, allocations: 7.938 kB / 0.743 GB, free: 6.039 MB / 0.5762 GB Notification: Performance of matching and sorting (n=163) (initialization_lambda0): time 0.01112/0.4024, allocations: 3.64 MB / 0.7465 GB, free: 2.375 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.333e-05/0.4024, allocations: 8 kB / 0.7465 GB, free: 2.367 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.419e-05/0.4025, allocations: 12 kB / 0.7465 GB, free: 2.355 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004205/0.4067, allocations: 1.053 MB / 0.7476 GB, free: 1.289 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002379/0.4091, allocations: 467.1 kB / 0.748 GB, free: 0.832 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4885/0.8976, allocations: 11.1 MB / 0.7588 GB, free: 66.04 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003034/0.9007, allocations: 303.1 kB / 0.7591 GB, free: 66.02 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002692/0.901, allocations: 65.78 kB / 0.7592 GB, free: 66 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 46 * 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 (123): * Single equations (assignments): 119 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,8,100.0%), (2,8,100.0%), (3,9,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,9)} Notification: Performance of prepare postOptimizeDAE: time 0.0006124/0.9016, allocations: 256.2 kB / 0.7594 GB, free: 65.79 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003339/0.9019, allocations: 91.27 kB / 0.7595 GB, free: 65.79 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01338/0.9153, allocations: 3.732 MB / 0.7632 GB, free: 64.85 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.891e-05/0.9154, allocations: 10.91 kB / 0.7632 GB, free: 64.85 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.716e-05/0.9155, allocations: 6.562 kB / 0.7632 GB, free: 64.85 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.563e-05/0.9155, allocations: 5.75 kB / 0.7632 GB, free: 64.85 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01615/0.9317, allocations: 5.448 MB / 0.7685 GB, free: 62.93 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.722e-05/0.9317, allocations: 10.62 kB / 0.7685 GB, free: 62.93 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001818/0.9336, allocations: 357.5 kB / 0.7689 GB, free: 62.91 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.004555/0.9381, allocations: 1.199 MB / 0.77 GB, free: 62.74 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002452/0.9384, allocations: 33.86 kB / 0.7701 GB, free: 62.72 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01501/0.9534, allocations: 11.65 MB / 0.7815 GB, free: 54.7 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.266e-05/0.9535, allocations: 13.19 kB / 0.7815 GB, free: 54.69 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01086/0.9644, allocations: 3.636 MB / 0.785 GB, free: 52.6 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009981/0.9654, allocations: 328.7 kB / 0.7853 GB, free: 52.35 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001699/0.9656, allocations: 30.8 kB / 0.7854 GB, free: 52.33 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00201/0.9676, allocations: 315.7 kB / 0.7857 GB, free: 52.18 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004219/0.9681, allocations: 99.31 kB / 0.7858 GB, free: 52.12 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000113/0.9682, allocations: 45.17 kB / 0.7858 GB, free: 52.11 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.00061/0.9688, allocations: 408.6 kB / 0.7862 GB, free: 51.87 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.2e-07/0.9688, allocations: 0 / 0.7862 GB, free: 51.87 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.0029/0.9717, allocations: 0.5959 MB / 0.7868 GB, free: 51.8 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 24 * 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 (68): * Single equations (assignments): 64 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(3,9,100.0%), (2,8,100.0%), (2,8,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,9)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002843/0.972, allocations: 142.9 kB / 0.7869 GB, free: 51.69 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.01425/0.9863, allocations: 5.719 MB / 0.7925 GB, free: 48.38 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 1.825e-05/0.9863, allocations: 4.125 kB / 0.7925 GB, free: 48.38 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.005088/0.9914, allocations: 2.126 MB / 0.7946 GB, free: 47.07 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001362/0.9928, allocations: 156.9 kB / 0.7947 GB, free: 46.99 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01043/1.003, allocations: 3.519 MB / 0.7982 GB, free: 44.29 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006532/1.004, allocations: 1.11 MB / 0.7992 GB, free: 43.14 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001642/1.006, allocations: 0.5498 MB / 0.7998 GB, free: 42.59 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003089/1.006, allocations: 79.39 kB / 0.7999 GB, free: 42.51 MB / 0.5762 GB Notification: Performance of SimCode: time 1.011e-06/1.006, allocations: 4 kB / 0.7999 GB, free: 42.51 MB / 0.5762 GB Notification: Performance of Templates: time 0.04257/1.049, allocations: 28.8 MB / 0.828 GB, free: 13.87 MB / 0.5762 GB make -j1 -f Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.makefile (rm -f Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.pipe ; mkfifo Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.pipe >> ../files/Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.sim & ./Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformerFull.pipe 2>&1)