Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.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.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource")
translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001504/0.001504, allocations: 103.4 kB / 15.33 MB, free: 0.5039 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001813/0.001813, allocations: 199.1 kB / 16.26 MB, free: 6.625 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.72/1.72, allocations: 205.1 MB / 222.1 MB, free: 4.691 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.719/1.719, allocations: 292.2 MB / 0.5485 GB, free: 13.65 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 0.001331/0.001331, allocations: 70.27 kB / 0.671 GB, free: 26.34 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3368/0.3382, allocations: 114.5 MB / 0.7829 GB, free: 13.9 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource): time 0.005634/0.3439, allocations: 2.69 MB / 0.7855 GB, free: 11.19 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.003132/0.347, allocations: 1.442 MB / 0.7869 GB, free: 9.738 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0002748/0.3474, allocations: 3.938 kB / 0.7869 GB, free: 9.734 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.001014/0.3484, allocations: 167.4 kB / 0.7871 GB, free: 9.57 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.0005086/0.3489, allocations: 123.5 kB / 0.7872 GB, free: 9.449 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0006372/0.3496, allocations: 171.7 kB / 0.7873 GB, free: 9.281 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.0003888/0.35, allocations: 211.3 kB / 0.7875 GB, free: 9.074 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.000495/0.3505, allocations: 141.3 kB / 0.7877 GB, free: 8.938 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002775/0.3508, allocations: 83.7 kB / 0.7878 GB, free: 8.855 MB / 0.6075 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003928/0.3512, allocations: 107.6 kB / 0.7879 GB, free: 8.75 MB / 0.6075 GB
Notification: Performance of NFPackage.collectConstants: time 3.994e-05/0.3512, allocations: 12 kB / 0.7879 GB, free: 8.738 MB / 0.6075 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0004507/0.3517, allocations: 179.6 kB / 0.788 GB, free: 8.562 MB / 0.6075 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001129/0.3518, allocations: 63.81 kB / 0.7881 GB, free: 8.5 MB / 0.6075 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001297/0.3519, allocations: 83.58 kB / 0.7882 GB, free: 8.418 MB / 0.6075 GB
Notification: Performance of NFConvertDAE.convert: time 0.0006257/0.3526, allocations: 291 kB / 0.7885 GB, free: 8.133 MB / 0.6075 GB
Notification: Performance of FrontEnd - DAE generated: time 1.015e-05/0.3526, allocations: 7.984 kB / 0.7885 GB, free: 8.125 MB / 0.6075 GB
Notification: Performance of FrontEnd: time 2.815e-06/0.3526, allocations: 0 / 0.7885 GB, free: 8.125 MB / 0.6075 GB
Notification: Performance of Transformations before backend: time 1.31e-05/0.3526, allocations: 0 / 0.7885 GB, free: 8.125 MB / 0.6075 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 39
 * Number of variables: 39
Notification: Performance of Generate backend data structure: time 0.001131/0.3538, allocations: 479.1 kB / 0.7889 GB, free: 7.609 MB / 0.6075 GB
Notification: Performance of prepare preOptimizeDAE: time 6.379e-05/0.3538, allocations: 8.031 kB / 0.7889 GB, free: 7.602 MB / 0.6075 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007285/0.3546, allocations: 64.67 kB / 0.789 GB, free: 7.539 MB / 0.6075 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003779/0.355, allocations: 228 kB / 0.7892 GB, free: 7.277 MB / 0.6075 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.808e-05/0.355, allocations: 8.656 kB / 0.7892 GB, free: 7.27 MB / 0.6075 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 6.138e-05/0.355, allocations: 20.36 kB / 0.7892 GB, free: 7.25 MB / 0.6075 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005505/0.3556, allocations: 275.6 kB / 0.7895 GB, free: 6.949 MB / 0.6075 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.861e-05/0.3556, allocations: 0 / 0.7895 GB, free: 6.949 MB / 0.6075 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.27e-05/0.3557, allocations: 8 kB / 0.7895 GB, free: 6.941 MB / 0.6075 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.02e-05/0.3557, allocations: 20.22 kB / 0.7895 GB, free: 6.918 MB / 0.6075 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003745/0.3561, allocations: 208.5 kB / 0.7897 GB, free: 6.715 MB / 0.6075 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001961/0.3581, allocations: 1.584 MB / 0.7913 GB, free: 4.996 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004082/0.3585, allocations: 319.3 kB / 0.7916 GB, free: 4.629 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 9.984e-05/0.3586, allocations: 61.77 kB / 0.7916 GB, free: 4.562 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.869e-05/0.3586, allocations: 3.984 kB / 0.7916 GB, free: 4.559 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.732e-05/0.3587, allocations: 38.56 kB / 0.7917 GB, free: 4.512 MB / 0.6075 GB
Notification: Performance of pre-optimization done (n=9): time 1.192e-06/0.3587, allocations: 0 / 0.7917 GB, free: 4.512 MB / 0.6075 GB
Notification: Performance of matching and sorting (n=10): time 0.0006495/0.3593, allocations: 256.5 kB / 0.7919 GB, free: 4.254 MB / 0.6075 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.818e-05/0.3594, allocations: 81.11 kB / 0.792 GB, free: 4.156 MB / 0.6075 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002037/0.3596, allocations: 192 kB / 0.7922 GB, free: 3.961 MB / 0.6075 GB
Notification: Performance of collectPreVariables (initialization): time 3.8e-05/0.3597, allocations: 37.62 kB / 0.7922 GB, free: 3.918 MB / 0.6075 GB
Notification: Performance of collectInitialEqns (initialization): time 9.968e-05/0.3598, allocations: 151.7 kB / 0.7924 GB, free: 3.766 MB / 0.6075 GB
Notification: Performance of collectInitialBindings (initialization): time 3.263e-05/0.3598, allocations: 39.59 kB / 0.7924 GB, free: 3.727 MB / 0.6075 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 9.732e-05/0.3599, allocations: 57.69 kB / 0.7925 GB, free: 3.664 MB / 0.6075 GB
Notification: Performance of setup shared object (initialization): time 0.0001277/0.3601, allocations: 318.8 kB / 0.7928 GB, free: 3.344 MB / 0.6075 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001127/0.3602, allocations: 76.81 kB / 0.7928 GB, free: 3.266 MB / 0.6075 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001598/0.3603, allocations: 153.9 kB / 0.793 GB, free: 3.078 MB / 0.6075 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003592/0.3607, allocations: 238.8 kB / 0.7932 GB, free: 2.805 MB / 0.6075 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.675e-06/0.3607, allocations: 0 / 0.7932 GB, free: 2.805 MB / 0.6075 GB
Notification: Performance of matching and sorting (n=25) (initialization): time 0.0004348/0.3612, allocations: 265 kB / 0.7935 GB, free: 2.539 MB / 0.6075 GB
Notification: Performance of prepare postOptimizeDAE: time 2.412e-05/0.3612, allocations: 8 kB / 0.7935 GB, free: 2.531 MB / 0.6075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.308e-06/0.3612, allocations: 4 kB / 0.7935 GB, free: 2.527 MB / 0.6075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.651e-05/0.3612, allocations: 7.938 kB / 0.7935 GB, free: 2.52 MB / 0.6075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002514/0.3615, allocations: 51.89 kB / 0.7935 GB, free: 2.469 MB / 0.6075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.517e-05/0.3615, allocations: 4.375 kB / 0.7935 GB, free: 2.465 MB / 0.6075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001774/0.3617, allocations: 19.98 kB / 0.7936 GB, free: 2.445 MB / 0.6075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.584e-05/0.3617, allocations: 12 kB / 0.7936 GB, free: 2.434 MB / 0.6075 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002084/0.362, allocations: 156.1 kB / 0.7937 GB, free: 2.277 MB / 0.6075 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002011/0.3622, allocations: 152 kB / 0.7939 GB, free: 2.086 MB / 0.6075 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002968/0.3625, allocations: 207.8 kB / 0.7941 GB, free: 1.84 MB / 0.6075 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.227e-06/0.3625, allocations: 4 kB / 0.7941 GB, free: 1.836 MB / 0.6075 GB
Notification: Performance of matching and sorting (n=25) (initialization_lambda0): time 0.0004348/0.3629, allocations: 241 kB / 0.7943 GB, free: 1.594 MB / 0.6075 GB
Notification: Performance of prepare postOptimizeDAE: time 1.517e-05/0.363, allocations: 8 kB / 0.7943 GB, free: 1.586 MB / 0.6075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.234e-06/0.363, allocations: 4 kB / 0.7943 GB, free: 1.582 MB / 0.6075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 7.203e-06/0.363, allocations: 4 kB / 0.7943 GB, free: 1.578 MB / 0.6075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001656/0.3632, allocations: 48.31 kB / 0.7944 GB, free: 1.531 MB / 0.6075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.045e-05/0.3632, allocations: 11.88 kB / 0.7944 GB, free: 1.52 MB / 0.6075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000142/0.3633, allocations: 19.98 kB / 0.7944 GB, free: 1.5 MB / 0.6075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.7e-05/0.3633, allocations: 12 kB / 0.7944 GB, free: 1.488 MB / 0.6075 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 13
 * 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 (25):
 * Single equations (assignments): 25
 * 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 0.0001919/0.3635, allocations: 192.1 kB / 0.7946 GB, free: 1.293 MB / 0.6075 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 6.152e-05/0.3636, allocations: 15.81 kB / 0.7946 GB, free: 1.277 MB / 0.6075 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002698/0.3639, allocations: 143 kB / 0.7947 GB, free: 1.125 MB / 0.6075 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.891e-06/0.3639, allocations: 3.938 kB / 0.7947 GB, free: 1.121 MB / 0.6075 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.913e-06/0.3639, allocations: 0 / 0.7947 GB, free: 1.121 MB / 0.6075 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.79e-06/0.3639, allocations: 4 kB / 0.7947 GB, free: 1.117 MB / 0.6075 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001069/0.365, allocations: 0.7198 MB / 0.7954 GB, free: 320 kB / 0.6075 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.799e-06/0.365, allocations: 4 kB / 0.7954 GB, free: 316 kB / 0.6075 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001009/0.3651, allocations: 23.92 kB / 0.7955 GB, free: 292 kB / 0.6075 GB
Notification: Performance of postOpt tearingSystem (simulation): time 9.027e-06/0.3651, allocations: 8.109 kB / 0.7955 GB, free: 284 kB / 0.6075 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.966e-05/0.3652, allocations: 8 kB / 0.7955 GB, free: 276 kB / 0.6075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.52e-06/0.3652, allocations: 7.938 kB / 0.7955 GB, free: 268 kB / 0.6075 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.718e-06/0.3652, allocations: 7.938 kB / 0.7955 GB, free: 260 kB / 0.6075 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004213/0.3656, allocations: 382.6 kB / 0.7959 GB, free: 15.83 MB / 0.6231 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001082/0.3657, allocations: 100.9 kB / 0.796 GB, free: 15.71 MB / 0.6231 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.478e-05/0.3658, allocations: 7.984 kB / 0.796 GB, free: 15.71 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001691/0.366, allocations: 12 kB / 0.796 GB, free: 15.7 MB / 0.6231 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 3.499e-05/0.366, allocations: 11.92 kB / 0.796 GB, free: 15.68 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.019e-05/0.366, allocations: 8 kB / 0.796 GB, free: 15.68 MB / 0.6231 GB
Notification: Performance of sorting global known variables: time 0.0001956/0.3662, allocations: 149.4 kB / 0.7961 GB, free: 15.53 MB / 0.6231 GB
Notification: Performance of sort global known variables: time 2.1e-07/0.3662, allocations: 8 kB / 0.7961 GB, free: 15.52 MB / 0.6231 GB
Notification: Performance of remove unused functions: time 0.0005294/0.3668, allocations: 64 kB / 0.7962 GB, free: 15.46 MB / 0.6231 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 11
 * 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 (11):
 * Single equations (assignments): 11
 * 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 0.000194/0.367, allocations: 123.1 kB / 0.7963 GB, free: 15.33 MB / 0.6231 GB
Notification: Performance of simCode: created initialization part: time 0.0005007/0.3675, allocations: 269.2 kB / 0.7966 GB, free: 15.07 MB / 0.6231 GB
Notification: Performance of simCode: created event and clocks part: time 4.078e-06/0.3675, allocations: 0 / 0.7966 GB, free: 15.07 MB / 0.6231 GB
Notification: Performance of simCode: created simulation system equations: time 8.418e-05/0.3676, allocations: 67.83 kB / 0.7966 GB, free: 15 MB / 0.6231 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005041/0.3681, allocations: 26.98 kB / 0.7967 GB, free: 14.98 MB / 0.6231 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.000831/0.3689, allocations: 491.4 kB / 0.7971 GB, free: 14.45 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003765/0.3693, allocations: 0.7363 MB / 0.7979 GB, free: 13.68 MB / 0.6231 GB
Notification: Performance of simCode: alias equations: time 0.0002537/0.3696, allocations: 73.45 kB / 0.7979 GB, free: 13.61 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 4.999e-05/0.3696, allocations: 15.44 kB / 0.7979 GB, free: 13.6 MB / 0.6231 GB
Notification: Performance of SimCode: time 3.5e-07/0.3696, allocations: 0 / 0.7979 GB, free: 13.6 MB / 0.6231 GB
Notification: Performance of Templates: time 0.004906/0.3745, allocations: 1.761 MB / 0.7997 GB, free: 11.86 MB / 0.6231 GB
make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.makefile
(rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Examples.FixedVoltageSource.pipe 2>&1)