Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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(Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|senTemInl.T|senTemOut.T|gro.soi.T|senTemInlRev.T|senTemOutRev.T|groRev.soi.T",fileNamePrefix="Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe") translateModel(Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|senTemInl.T|senTemOut.T|gro.soi.T|senTemInlRev.T|senTemOutRev.T|groRev.soi.T",fileNamePrefix="Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001362/0.001362, allocations: 108 kB / 15.61 MB, free: 128 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001428/0.001428, allocations: 196.8 kB / 16.53 MB, free: 6.668 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.455/1.455, allocations: 222.9 MB / 240.2 MB, free: 4.398 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.719/2.719, allocations: 437 MB / 0.7104 GB, free: 5.062 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.00207/0.00207, allocations: 59.91 kB / 0.8692 GB, free: 4.613 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5594/0.5615, allocations: 151.6 MB / 1.017 GB, free: 2.621 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe): time 0.143/0.7045, allocations: 118.5 MB / 1.133 GB, free: 11.76 MB / 0.8887 GB Notification: Performance of NFInst.instExpressions: time 0.04128/0.7458, allocations: 27.88 MB / 1.16 GB, free: 15.8 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00427/0.7501, allocations: 127.3 kB / 1.16 GB, free: 15.67 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004389/0.7545, allocations: 1.533 MB / 1.162 GB, free: 14.13 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.01355/0.7681, allocations: 4.583 MB / 1.166 GB, free: 9.527 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.008684/0.7768, allocations: 3.12 MB / 1.169 GB, free: 6.422 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.01224/0.7891, allocations: 8.469 MB / 1.178 GB, free: 13.92 MB / 0.9356 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004625/0.7937, allocations: 2.672 MB / 1.18 GB, free: 11.19 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007793/0.8015, allocations: 3.319 MB / 1.183 GB, free: 7.867 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00439/0.8059, allocations: 2.334 MB / 1.186 GB, free: 5.523 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.0009771/0.8069, allocations: 288 kB / 1.186 GB, free: 5.242 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007133/0.8141, allocations: 2.831 MB / 1.189 GB, free: 2.406 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.001253/0.8153, allocations: 0.7278 MB / 1.19 GB, free: 1.676 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.00324/0.8186, allocations: 1.703 MB / 1.191 GB, free: 15.96 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.009667/0.8283, allocations: 5.356 MB / 1.196 GB, free: 10.59 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 3.947e-06/0.8283, allocations: 0 / 1.196 GB, free: 10.59 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.182e-06/0.8283, allocations: 0 / 1.196 GB, free: 10.59 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0001056/0.8284, allocations: 0 / 1.196 GB, free: 10.59 MB / 0.9512 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 435 * Number of variables: 435 Notification: Performance of Generate backend data structure: time 0.007683/0.8361, allocations: 3.579 MB / 1.2 GB, free: 6.949 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 4.015e-05/0.8361, allocations: 12.03 kB / 1.2 GB, free: 6.938 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001103/0.8373, allocations: 348 kB / 1.2 GB, free: 6.594 MB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004818/0.8421, allocations: 2.535 MB / 1.203 GB, free: 3.988 MB / 0.9512 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001121/0.8422, allocations: 135.4 kB / 1.203 GB, free: 3.855 MB / 0.9512 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002864/0.8425, allocations: 175.9 kB / 1.203 GB, free: 3.684 MB / 0.9512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003506/0.846, allocations: 1.887 MB / 1.205 GB, free: 1.727 MB / 0.9512 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.478e-05/0.8461, allocations: 0 / 1.205 GB, free: 1.727 MB / 0.9512 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001822/0.8463, allocations: 76 kB / 1.205 GB, free: 1.652 MB / 0.9512 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.798e-05/0.8463, allocations: 48 kB / 1.205 GB, free: 1.605 MB / 0.9512 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002773/0.8491, allocations: 1.379 MB / 1.206 GB, free: 228 kB / 0.9512 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 0.01338/0.8625, allocations: 10.05 MB / 1.216 GB, free: 5.43 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001722/0.8642, allocations: 0.914 MB / 1.217 GB, free: 4.504 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009174/0.8652, allocations: 0.5362 MB / 1.218 GB, free: 3.969 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002914/0.8681, allocations: 3.08 MB / 1.221 GB, free: 212 kB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.269e-05/0.8681, allocations: 43.56 kB / 1.221 GB, free: 160 kB / 0.9669 GB Notification: Performance of pre-optimization done (n=120): time 2.966e-06/0.8682, allocations: 0 / 1.221 GB, free: 160 kB / 0.9669 GB Notification: Performance of matching and sorting (n=120): time 0.005876/0.874, allocations: 2.137 MB / 1.223 GB, free: 13.96 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.689e-05/0.8741, allocations: 64.41 kB / 1.223 GB, free: 13.89 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004019/0.8781, allocations: 2.248 MB / 1.225 GB, free: 11.63 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0001417/0.8783, allocations: 49.7 kB / 1.225 GB, free: 11.58 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.001182/0.8795, allocations: 1.181 MB / 1.226 GB, free: 10.38 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005164/0.88, allocations: 425.8 kB / 1.227 GB, free: 9.961 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004707/0.8805, allocations: 283.3 kB / 1.227 GB, free: 9.68 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001996/0.8807, allocations: 365.9 kB / 1.227 GB, free: 9.316 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009086/0.8816, allocations: 452.6 kB / 1.228 GB, free: 8.871 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001273/0.8829, allocations: 0.7869 MB / 1.228 GB, free: 7.953 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002218/0.8851, allocations: 1.285 MB / 1.23 GB, free: 6.539 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.047e-06/0.8851, allocations: 4 kB / 1.23 GB, free: 6.535 MB / 0.9825 GB Notification: Performance of matching and sorting (n=179) (initialization): time 0.00427/0.8894, allocations: 1.8 MB / 1.231 GB, free: 4.719 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 2.406e-05/0.8895, allocations: 13.97 kB / 1.231 GB, free: 4.707 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.165e-05/0.8895, allocations: 12 kB / 1.231 GB, free: 4.695 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001482/0.891, allocations: 305.4 kB / 1.232 GB, free: 4.391 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009633/0.892, allocations: 291.5 kB / 1.232 GB, free: 4.105 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001163/0.8931, allocations: 1.3 MB / 1.233 GB, free: 2.754 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001409/0.8945, allocations: 154.3 kB / 1.233 GB, free: 2.602 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001396/0.8947, allocations: 76.09 kB / 1.233 GB, free: 2.527 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001602/0.8963, allocations: 0.8592 MB / 1.234 GB, free: 1.664 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001194/0.8975, allocations: 0.7752 MB / 1.235 GB, free: 0.7617 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002129/0.8997, allocations: 1.281 MB / 1.236 GB, free: 15.35 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.262e-06/0.8997, allocations: 7.938 kB / 1.236 GB, free: 15.34 MB / 0.9981 GB Notification: Performance of matching and sorting (n=179) (initialization_lambda0): time 0.004059/0.9037, allocations: 1.796 MB / 1.238 GB, free: 13.54 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 1.423e-05/0.9038, allocations: 8 kB / 1.238 GB, free: 13.53 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.799e-05/0.9038, allocations: 12 kB / 1.238 GB, free: 13.52 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0014/0.9052, allocations: 309.9 kB / 1.238 GB, free: 13.21 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009285/0.9061, allocations: 287.5 kB / 1.239 GB, free: 12.93 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001136/0.9073, allocations: 1.304 MB / 1.24 GB, free: 11.57 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001297/0.9086, allocations: 118.9 kB / 1.24 GB, free: 11.45 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001422/0.9088, allocations: 75.97 kB / 1.24 GB, free: 11.38 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 41 * 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 (165): * Single equations (assignments): 159 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,5), (1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0004138/0.9092, allocations: 265.6 kB / 1.24 GB, free: 11.11 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004844/0.9097, allocations: 260.8 kB / 1.241 GB, free: 10.86 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004844/0.9145, allocations: 2.325 MB / 1.243 GB, free: 8.539 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.826e-05/0.9146, allocations: 31.97 kB / 1.243 GB, free: 8.508 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.972e-06/0.9146, allocations: 0 / 1.243 GB, free: 8.508 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003317/0.9179, allocations: 1.736 MB / 1.245 GB, free: 6.719 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009317/0.9272, allocations: 5.118 MB / 1.25 GB, free: 1.383 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.615e-05/0.9273, allocations: 8 kB / 1.25 GB, free: 1.375 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008789/0.9282, allocations: 227.6 kB / 1.25 GB, free: 1.152 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001026/0.9292, allocations: 233.7 kB / 1.25 GB, free: 0.918 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001096/0.9293, allocations: 55.91 kB / 1.25 GB, free: 0.8633 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4446/1.374, allocations: 1.289 MB / 1.251 GB, free: 223 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.507e-05/1.374, allocations: 13.03 kB / 1.251 GB, free: 223 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006465/1.38, allocations: 2.932 MB / 1.254 GB, free: 222.2 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001493/1.382, allocations: 0.5933 MB / 1.255 GB, free: 222 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004975/1.382, allocations: 36.84 kB / 1.255 GB, free: 222 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00131/1.384, allocations: 59.33 kB / 1.255 GB, free: 222 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002589/1.384, allocations: 133.7 kB / 1.255 GB, free: 221.9 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001572/1.384, allocations: 76.19 kB / 1.255 GB, free: 221.9 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.002981/1.387, allocations: 1.647 MB / 1.257 GB, free: 221.3 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2e-07/1.387, allocations: 0 / 1.257 GB, free: 221.3 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.004375/1.392, allocations: 1.475 MB / 1.258 GB, free: 221.2 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 26 * Number of states: 12 (pip.del.x,pip.timDel.x,pip.vol_b.dynBal.U,pip.vol_a.dynBal.U,senTemInl.T,senTemOut.T,pipRev.del.x,pipRev.timDel.x,pipRev.vol_b.dynBal.U,pipRev.vol_a.dynBal.U,senTemOutRev.T,senTemInlRev.T) * 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 (142): * Single equations (assignments): 112 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 28 * 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 {(1,7), (1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002114/1.394, allocations: 0.9894 MB / 1.259 GB, free: 221 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.006227/1.4, allocations: 2.472 MB / 1.262 GB, free: 220.1 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 8.886e-06/1.4, allocations: 1.188 kB / 1.262 GB, free: 220.1 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.001623/1.402, allocations: 0.9843 MB / 1.263 GB, free: 219.6 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007057/1.409, allocations: 1.506 MB / 1.264 GB, free: 219.3 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007742/1.416, allocations: 5.011 MB / 1.269 GB, free: 216.7 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001377/1.418, allocations: 1.704 MB / 1.271 GB, free: 215.9 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.002911/1.421, allocations: 0.6818 MB / 1.271 GB, free: 215.7 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006195/1.421, allocations: 239.2 kB / 1.271 GB, free: 215.7 MB / 0.9981 GB Notification: Performance of SimCode: time 6.31e-07/1.421, allocations: 0 / 1.271 GB, free: 215.7 MB / 0.9981 GB Notification: Performance of Templates: time 0.08755/1.509, allocations: 64.13 MB / 1.334 GB, free: 164.2 MB / 0.9981 GB make -j1 -f Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.makefile (rm -f Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.pipe ; mkfifo Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.pipe >> ../files/Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.sim & ./Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Geothermal.BuriedPipes.Examples.SingleBuriedPipe.pipe 2>&1)