Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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: translateModel(IDEAS.Fluid.Examples.Performance.Example2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2") translateModel(IDEAS.Fluid.Examples.Performance.Example2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001511/0.001511, allocations: 102.5 kB / 16.39 MB, free: 6.379 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00144/0.00144, allocations: 193.8 kB / 17.33 MB, free: 5.848 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.369/1.369, allocations: 222.9 MB / 241 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8354/0.8354, allocations: 135.2 MB / 426.4 MB, free: 4.086 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001884/0.001884, allocations: 72.42 kB / 0.5863 GB, free: 21.61 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1397/0.1416, allocations: 80.92 MB / 0.6653 GB, free: 5.77 MB / 0.4981 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter pump_dp.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.Performance.Example2): time 0.03189/0.1736, allocations: 29.62 MB / 0.6942 GB, free: 8.039 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.01442/0.188, allocations: 9.909 MB / 0.7039 GB, free: 14.11 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001349/0.1894, allocations: 47.75 kB / 0.704 GB, free: 14.06 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.001861/0.1913, allocations: 0.6991 MB / 0.7047 GB, free: 13.36 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.003503/0.1948, allocations: 1.496 MB / 0.7061 GB, free: 11.86 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.00315/0.198, allocations: 1.373 MB / 0.7075 GB, free: 10.49 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.004649/0.2026, allocations: 3.842 MB / 0.7112 GB, free: 6.633 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001857/0.2045, allocations: 1.365 MB / 0.7125 GB, free: 5.23 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003055/0.2075, allocations: 1.51 MB / 0.714 GB, free: 3.715 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00137/0.2089, allocations: 1.046 MB / 0.715 GB, free: 2.664 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.0001794/0.2091, allocations: 116 kB / 0.7151 GB, free: 2.551 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002158/0.2113, allocations: 1.127 MB / 0.7162 GB, free: 1.422 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0004187/0.2117, allocations: 398.6 kB / 0.7166 GB, free: 1.031 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0008684/0.2126, allocations: 0.7929 MB / 0.7174 GB, free: 240 kB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.00331/0.2159, allocations: 2.456 MB / 0.7198 GB, free: 13.77 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 3.808e-06/0.2159, allocations: 0 / 0.7198 GB, free: 13.77 MB / 0.5606 GB Notification: Performance of FrontEnd: time 1.132e-06/0.2159, allocations: 4 kB / 0.7198 GB, free: 13.77 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 2.191e-05/0.216, allocations: 0 / 0.7198 GB, free: 13.77 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 188 * Number of variables: 188 Notification: Performance of Generate backend data structure: time 0.003241/0.2192, allocations: 1.995 MB / 0.7218 GB, free: 11.71 MB / 0.5606 GB Notification: Performance of prepare preOptimizeDAE: time 3.83e-05/0.2193, allocations: 13.11 kB / 0.7218 GB, free: 11.7 MB / 0.5606 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001049/0.2203, allocations: 251.7 kB / 0.722 GB, free: 11.45 MB / 0.5606 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002358/0.2227, allocations: 1.371 MB / 0.7233 GB, free: 10.03 MB / 0.5606 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.224e-05/0.2228, allocations: 66 kB / 0.7234 GB, free: 9.965 MB / 0.5606 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001369/0.2229, allocations: 80 kB / 0.7235 GB, free: 9.887 MB / 0.5606 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001685/0.2246, allocations: 0.9772 MB / 0.7244 GB, free: 8.852 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.509e-05/0.2246, allocations: 7.938 kB / 0.7244 GB, free: 8.844 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.245e-05/0.2247, allocations: 32 kB / 0.7245 GB, free: 8.812 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.816e-05/0.2247, allocations: 16 kB / 0.7245 GB, free: 8.797 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001494/0.2262, allocations: 0.7064 MB / 0.7252 GB, free: 8.094 MB / 0.5606 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 0.005937/0.2322, allocations: 4.841 MB / 0.7299 GB, free: 2.922 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001251/0.2335, allocations: 0.5689 MB / 0.7305 GB, free: 2.348 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006395/0.2341, allocations: 317.2 kB / 0.7308 GB, free: 2.035 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002242/0.2364, allocations: 1.584 MB / 0.7323 GB, free: 308 kB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007122/0.2371, allocations: 335 kB / 0.7326 GB, free: 15.96 MB / 0.5762 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0002143/0.2373, allocations: 51.62 kB / 0.7327 GB, free: 15.91 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=43): time 2.114e-06/0.2373, allocations: 0 / 0.7327 GB, free: 15.91 MB / 0.5762 GB Notification: Performance of matching and sorting (n=43): time 0.003127/0.2405, allocations: 1.167 MB / 0.7338 GB, free: 14.71 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.734e-05/0.2405, allocations: 59.41 kB / 0.7339 GB, free: 14.64 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001675/0.2422, allocations: 1.286 MB / 0.7351 GB, free: 13.34 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 5.703e-05/0.2423, allocations: 41.69 kB / 0.7352 GB, free: 13.3 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006042/0.2429, allocations: 0.6578 MB / 0.7358 GB, free: 12.63 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001465/0.243, allocations: 158.7 kB / 0.736 GB, free: 12.48 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002421/0.2433, allocations: 154.3 kB / 0.7361 GB, free: 12.32 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001557/0.2434, allocations: 337.8 kB / 0.7364 GB, free: 11.98 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006022/0.244, allocations: 271.6 kB / 0.7367 GB, free: 11.71 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008636/0.2449, allocations: 0.5865 MB / 0.7373 GB, free: 10.98 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001401/0.2463, allocations: 0.8098 MB / 0.7381 GB, free: 10.06 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.087e-06/0.2463, allocations: 0 / 0.7381 GB, free: 10.06 MB / 0.5762 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.002288/0.2486, allocations: 1.103 MB / 0.7391 GB, free: 8.938 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.455e-05/0.2487, allocations: 43.42 kB / 0.7392 GB, free: 8.891 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.397e-05/0.2487, allocations: 8 kB / 0.7392 GB, free: 8.883 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00066/0.2494, allocations: 196.7 kB / 0.7394 GB, free: 8.688 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005396/0.2499, allocations: 131.8 kB / 0.7395 GB, free: 8.559 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007948/0.2507, allocations: 0.7669 MB / 0.7402 GB, free: 7.766 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006476/0.2514, allocations: 52.61 kB / 0.7403 GB, free: 7.715 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.362e-05/0.2515, allocations: 39.98 kB / 0.7403 GB, free: 7.676 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009241/0.2524, allocations: 0.5522 MB / 0.7409 GB, free: 7.121 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000757/0.2532, allocations: 0.5592 MB / 0.7414 GB, free: 6.414 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00115/0.2543, allocations: 0.7356 MB / 0.7421 GB, free: 5.566 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.25e-06/0.2544, allocations: 4 kB / 0.7421 GB, free: 5.562 MB / 0.5762 GB Notification: Performance of matching and sorting (n=84) (initialization_lambda0): time 0.001867/0.2562, allocations: 1.062 MB / 0.7432 GB, free: 4.465 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.932e-05/0.2563, allocations: 41.69 kB / 0.7432 GB, free: 4.418 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.348e-06/0.2563, allocations: 8 kB / 0.7432 GB, free: 4.41 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002093/0.2565, allocations: 109.3 kB / 0.7433 GB, free: 4.301 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000482/0.257, allocations: 131.8 kB / 0.7435 GB, free: 4.172 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00242/0.2594, allocations: 2.352 MB / 0.7458 GB, free: 1.672 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005981/0.26, allocations: 44.7 kB / 0.7458 GB, free: 1.629 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.747e-05/0.2601, allocations: 39.98 kB / 0.7458 GB, free: 1.59 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 7 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,nRes.y,from_dp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (71): * Single equations (assignments): 68 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(5,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0002402/0.2604, allocations: 232 kB / 0.7461 GB, free: 1.355 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001766/0.2606, allocations: 135.1 kB / 0.7462 GB, free: 1.223 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0019/0.2625, allocations: 0.8686 MB / 0.747 GB, free: 348 kB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.031e-05/0.2625, allocations: 15.94 kB / 0.747 GB, free: 332 kB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.216e-06/0.2625, allocations: 112 / 0.747 GB, free: 332 kB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2952/0.5577, allocations: 0.8722 MB / 0.7479 GB, free: 78.67 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003189/0.5609, allocations: 1.793 MB / 0.7497 GB, free: 78.29 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.3e-06/0.561, allocations: 3.75 kB / 0.7497 GB, free: 78.29 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003914/0.5614, allocations: 79.44 kB / 0.7497 GB, free: 78.28 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002774/0.5616, allocations: 121.2 kB / 0.7498 GB, free: 78.25 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.747e-05/0.5617, allocations: 17.53 kB / 0.7499 GB, free: 78.25 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000491/0.5622, allocations: 0.7413 MB / 0.7506 GB, free: 77.66 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.856e-06/0.5622, allocations: 5.406 kB / 0.7506 GB, free: 77.66 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001971/0.5642, allocations: 1.179 MB / 0.7517 GB, free: 77.21 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003277/0.5645, allocations: 270.7 kB / 0.752 GB, free: 77.08 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001301/0.5647, allocations: 19.28 kB / 0.752 GB, free: 77.07 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004945/0.5652, allocations: 29.02 kB / 0.752 GB, free: 77.07 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001121/0.5653, allocations: 38.78 kB / 0.7521 GB, free: 77.06 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.302e-05/0.5653, allocations: 22.2 kB / 0.7521 GB, free: 77.05 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001109/0.5665, allocations: 0.8845 MB / 0.753 GB, free: 76.72 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.3e-07/0.5665, allocations: 0.9062 kB / 0.753 GB, free: 76.72 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.001821/0.5683, allocations: 0.6532 MB / 0.7536 GB, free: 76.68 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (pump_dp.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (38): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(5,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008454/0.5691, allocations: 383.5 kB / 0.754 GB, free: 76.57 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.00271/0.5719, allocations: 1.32 MB / 0.7553 GB, free: 76.02 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 3.466e-06/0.5719, allocations: 1.406 kB / 0.7553 GB, free: 76.02 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0007448/0.5726, allocations: 330.6 kB / 0.7556 GB, free: 75.93 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002385/0.575, allocations: 0.5949 MB / 0.7562 GB, free: 75.79 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003766/0.5788, allocations: 2.268 MB / 0.7584 GB, free: 74.7 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008486/0.5797, allocations: 1.276 MB / 0.7596 GB, free: 73.93 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.0009973/0.5807, allocations: 314 kB / 0.7599 GB, free: 73.9 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002095/0.5809, allocations: 104.5 kB / 0.76 GB, free: 73.89 MB / 0.5762 GB Notification: Performance of SimCode: time 4.91e-07/0.5809, allocations: 0 / 0.76 GB, free: 73.89 MB / 0.5762 GB Notification: Performance of Templates: time 0.03869/0.6196, allocations: 25.89 MB / 0.7853 GB, free: 60.99 MB / 0.5762 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.makefile (rm -f IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.sim & ./IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2 -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Examples.Performance.Example2.pipe 2>&1)