Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe") translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001324/0.001324, allocations: 106.9 kB / 16.35 MB, free: 5.879 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001436/0.001437, allocations: 191 kB / 17.29 MB, free: 5.516 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.403/1.403, allocations: 205.1 MB / 223.2 MB, free: 12.25 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.859/1.859, allocations: 292.3 MB / 0.5496 GB, free: 17.34 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001545/0.001545, allocations: 63.89 kB / 0.6729 GB, free: 5.879 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2359/0.2375, allocations: 114.6 MB / 0.7848 GB, free: 3.199 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe): time 0.4206/0.6582, allocations: 4.614 MB / 0.7893 GB, free: 47.41 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.003028/0.6612, allocations: 2.213 MB / 0.7914 GB, free: 46.79 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001835/0.6614, allocations: 12.53 kB / 0.7915 GB, free: 46.79 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.001439/0.6629, allocations: 0.5403 MB / 0.792 GB, free: 46.67 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.0006706/0.6636, allocations: 269.8 kB / 0.7922 GB, free: 46.61 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.0008684/0.6644, allocations: 346.3 kB / 0.7926 GB, free: 46.57 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.0005922/0.665, allocations: 0.5569 MB / 0.7931 GB, free: 46.54 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005321/0.6656, allocations: 375.3 kB / 0.7935 GB, free: 46.52 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002917/0.6659, allocations: 226.1 kB / 0.7937 GB, free: 46.48 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003931/0.6663, allocations: 277 kB / 0.794 GB, free: 46.43 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 5.754e-05/0.6664, allocations: 39.81 kB / 0.794 GB, free: 46.43 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0004665/0.6668, allocations: 260.1 kB / 0.7942 GB, free: 46.39 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.00015/0.667, allocations: 173.2 kB / 0.7944 GB, free: 46.38 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.0002008/0.6672, allocations: 217.7 kB / 0.7946 GB, free: 46.31 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.0005598/0.6678, allocations: 0.6396 MB / 0.7952 GB, free: 46.2 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 5.13e-06/0.6678, allocations: 4.094 kB / 0.7952 GB, free: 46.2 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.163e-06/0.6678, allocations: 0 / 0.7952 GB, free: 46.2 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 1.225e-05/0.6678, allocations: 1.188 kB / 0.7952 GB, free: 46.2 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 102 * Number of variables: 102 Notification: Performance of Generate backend data structure: time 0.001054/0.6689, allocations: 0.7135 MB / 0.7959 GB, free: 45.7 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.079e-05/0.6689, allocations: 8.031 kB / 0.796 GB, free: 45.7 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009956/0.6699, allocations: 142.5 kB / 0.7961 GB, free: 45.68 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004297/0.6704, allocations: 321.5 kB / 0.7964 GB, free: 45.45 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.705e-05/0.6704, allocations: 28.38 kB / 0.7964 GB, free: 45.45 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.89e-05/0.6705, allocations: 40.33 kB / 0.7965 GB, free: 45.45 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008444/0.6713, allocations: 0.6265 MB / 0.7971 GB, free: 45.24 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.976e-05/0.6714, allocations: 1.312 kB / 0.7971 GB, free: 45.24 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.879e-05/0.6714, allocations: 18.97 kB / 0.7971 GB, free: 45.23 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.637e-05/0.6715, allocations: 42.59 kB / 0.7971 GB, free: 45.23 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007204/0.6722, allocations: 478.6 kB / 0.7976 GB, free: 45.08 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003112/0.6754, allocations: 3.405 MB / 0.8009 GB, free: 42.21 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007141/0.6761, allocations: 379.6 kB / 0.8013 GB, free: 42.04 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002467/0.6764, allocations: 173.5 kB / 0.8014 GB, free: 41.97 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 3.323e-05/0.6764, allocations: 3.719 kB / 0.8014 GB, free: 41.97 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.517e-05/0.6764, allocations: 37.36 kB / 0.8015 GB, free: 41.93 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=25): time 1.964e-06/0.6764, allocations: 0.9375 kB / 0.8015 GB, free: 41.93 MB / 0.6544 GB Notification: Performance of matching and sorting (n=26): time 0.004976/0.6814, allocations: 1.46 MB / 0.8029 GB, free: 41.41 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.943e-05/0.6815, allocations: 84.33 kB / 0.803 GB, free: 41.31 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003997/0.6819, allocations: 328.1 kB / 0.8033 GB, free: 41.14 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 2.871e-05/0.6819, allocations: 30.77 kB / 0.8033 GB, free: 41.11 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001349/0.6821, allocations: 258.5 kB / 0.8036 GB, free: 40.89 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 7.171e-05/0.6821, allocations: 93.67 kB / 0.8037 GB, free: 40.82 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001495/0.6823, allocations: 93.58 kB / 0.8038 GB, free: 40.77 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 7.936e-05/0.6824, allocations: 343.5 kB / 0.8041 GB, free: 40.44 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002946/0.6827, allocations: 185.2 kB / 0.8043 GB, free: 40.37 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003958/0.6831, allocations: 341.8 kB / 0.8046 GB, free: 40.1 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006787/0.6838, allocations: 0.5378 MB / 0.8051 GB, free: 39.74 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.629e-06/0.6838, allocations: 2.75 kB / 0.8051 GB, free: 39.74 MB / 0.6544 GB Notification: Performance of matching and sorting (n=55) (initialization): time 0.002586/0.6864, allocations: 0.9072 MB / 0.806 GB, free: 39.45 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.44e-05/0.6864, allocations: 7.312 kB / 0.806 GB, free: 39.45 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.68e-05/0.6865, allocations: 6.531 kB / 0.806 GB, free: 39.45 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002601/0.6891, allocations: 0.5004 MB / 0.8065 GB, free: 39.4 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004396/0.6895, allocations: 97.73 kB / 0.8066 GB, free: 39.39 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006358/0.6959, allocations: 4.057 MB / 0.8106 GB, free: 36.29 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005692/0.6965, allocations: 38 kB / 0.8106 GB, free: 36.27 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.689e-05/0.6966, allocations: 22.23 kB / 0.8106 GB, free: 36.27 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000483/0.6971, allocations: 307.6 kB / 0.8109 GB, free: 36.11 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003554/0.6974, allocations: 322.3 kB / 0.8112 GB, free: 35.84 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000629/0.6981, allocations: 0.5009 MB / 0.8117 GB, free: 35.46 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.867e-06/0.6981, allocations: 2.281 kB / 0.8117 GB, free: 35.46 MB / 0.6544 GB Notification: Performance of matching and sorting (n=55) (initialization_lambda0): time 0.0008662/0.6989, allocations: 0.5306 MB / 0.8122 GB, free: 35.24 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.494e-05/0.699, allocations: 8.984 kB / 0.8122 GB, free: 35.24 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.085e-06/0.699, allocations: 5.562 kB / 0.8122 GB, free: 35.24 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.134e-05/0.699, allocations: 13.34 kB / 0.8122 GB, free: 35.24 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000427/0.6994, allocations: 110.2 kB / 0.8124 GB, free: 35.23 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.2e-05/0.6994, allocations: 9.5 kB / 0.8124 GB, free: 35.23 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003265/0.6998, allocations: 38.02 kB / 0.8124 GB, free: 35.21 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.559e-05/0.6998, allocations: 22.59 kB / 0.8124 GB, free: 35.21 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (49): * Single equations (assignments): 47 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,2), (2,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001686/0.7, allocations: 213.3 kB / 0.8126 GB, free: 35 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.99e-05/0.7001, allocations: 33.11 kB / 0.8127 GB, free: 34.98 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001868/0.702, allocations: 0.6758 MB / 0.8133 GB, free: 34.75 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.002e-06/0.702, allocations: 2.688 kB / 0.8133 GB, free: 34.75 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.535e-06/0.702, allocations: 5.438 kB / 0.8133 GB, free: 34.75 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.76e-06/0.702, allocations: 1.359 kB / 0.8133 GB, free: 34.75 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001/0.703, allocations: 0.6549 MB / 0.814 GB, free: 34.3 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.486e-06/0.703, allocations: 1.125 kB / 0.814 GB, free: 34.3 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002135/0.7032, allocations: 46.14 kB / 0.814 GB, free: 34.3 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00167/0.7049, allocations: 405.3 kB / 0.8144 GB, free: 34.25 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.905e-05/0.705, allocations: 7.359 kB / 0.8144 GB, free: 34.25 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004004/0.709, allocations: 3.756 MB / 0.8181 GB, free: 31.16 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.727e-06/0.709, allocations: 3.625 kB / 0.8181 GB, free: 31.16 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001857/0.7109, allocations: 0.8283 MB / 0.8189 GB, free: 30.75 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002019/0.7111, allocations: 138.6 kB / 0.819 GB, free: 30.63 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.955e-05/0.7111, allocations: 11.11 kB / 0.819 GB, free: 30.62 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003865/0.7115, allocations: 39.89 kB / 0.8191 GB, free: 30.62 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.688e-05/0.7116, allocations: 25.5 kB / 0.8191 GB, free: 30.61 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.243e-05/0.7117, allocations: 11.16 kB / 0.8191 GB, free: 30.61 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.0002589/0.7119, allocations: 225.3 kB / 0.8193 GB, free: 30.49 MB / 0.6544 GB Notification: Performance of sort global known variables: time 2.3e-07/0.7119, allocations: 0 / 0.8193 GB, free: 30.49 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.0009697/0.7129, allocations: 192.7 kB / 0.8195 GB, free: 30.47 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * 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 simulation (23): * Single equations (assignments): 21 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,2), (2,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0001442/0.7131, allocations: 112.3 kB / 0.8196 GB, free: 30.37 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.001765/0.7148, allocations: 0.9642 MB / 0.8205 GB, free: 29.91 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 4.258e-06/0.7149, allocations: 0 / 0.8205 GB, free: 29.91 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.000736/0.7156, allocations: 491.9 kB / 0.821 GB, free: 29.6 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006062/0.7162, allocations: 79.34 kB / 0.8211 GB, free: 29.57 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001294/0.7175, allocations: 0.7338 MB / 0.8218 GB, free: 29.17 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003854/0.7179, allocations: 0.8502 MB / 0.8226 GB, free: 28.45 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.0004191/0.7184, allocations: 138.3 kB / 0.8228 GB, free: 28.44 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.755e-05/0.7184, allocations: 28.39 kB / 0.8228 GB, free: 28.43 MB / 0.6544 GB Notification: Performance of SimCode: time 7.61e-07/0.7185, allocations: 0 / 0.8228 GB, free: 28.43 MB / 0.6544 GB Notification: Performance of Templates: time 0.0178/0.7363, allocations: 7.241 MB / 0.8299 GB, free: 28.08 MB / 0.6544 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.Probe.pipe 2>&1)