Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop") translateModel(Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001092/0.001092, allocations: 90.52 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.007857/0.007857, allocations: 170 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.447/1.447, allocations: 223.3 MB / 240.3 MB, free: 5.344 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.972/2.972, allocations: 473.4 MB / 0.7469 GB, free: 6.105 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0003878/0.0003878, allocations: 10.78 kB / 0.9158 GB, free: 33.1 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3522/0.3526, allocations: 162.2 MB / 1.074 GB, free: 7.562 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop): time 0.9302/1.283, allocations: 275.5 MB / 1.343 GB, free: 52.04 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.08782/1.371, allocations: 52.3 MB / 1.394 GB, free: 20.64 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01992/1.391, allocations: 283.8 kB / 1.395 GB, free: 20.53 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01827/1.409, allocations: 7.97 MB / 1.402 GB, free: 15.93 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.02374/1.433, allocations: 6.388 MB / 1.409 GB, free: 10.81 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.01382/1.447, allocations: 4.548 MB / 1.413 GB, free: 7.508 MB / 0.9981 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.0009566033997876149}[pressure.n] * 0.0‘ [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.0004783016998938074}[pressure.n] * 0.0‘ Notification: Performance of NFFlatten.flatten: time 0.03234/1.479, allocations: 22.65 MB / 1.435 GB, free: 4.852 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009552/1.489, allocations: 3.975 MB / 1.439 GB, free: 0.7891 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01483/1.503, allocations: 4.728 MB / 1.444 GB, free: 12.04 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00814/1.512, allocations: 3.888 MB / 1.447 GB, free: 8.133 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.001914/1.514, allocations: 204 kB / 1.448 GB, free: 7.934 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009859/1.523, allocations: 2.795 MB / 1.45 GB, free: 5.133 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.003027/1.527, allocations: 1.342 MB / 1.452 GB, free: 3.785 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.007353/1.534, allocations: 2.857 MB / 1.454 GB, free: 0.9062 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.01862/1.553, allocations: 8.451 MB / 1.463 GB, free: 8.426 MB / 1.045 GB Notification: Performance of FrontEnd - DAE generated: time 8.296e-06/1.553, allocations: 4 kB / 1.463 GB, free: 8.422 MB / 1.045 GB Notification: Performance of FrontEnd: time 3.246e-06/1.553, allocations: 0 / 1.463 GB, free: 8.422 MB / 1.045 GB Notification: Performance of Transformations before backend: time 0.000358/1.553, allocations: 0 / 1.463 GB, free: 8.422 MB / 1.045 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 684 * Number of variables: 684 Notification: Performance of Generate backend data structure: time 0.01547/1.568, allocations: 5.715 MB / 1.468 GB, free: 2.605 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 5.168e-05/1.569, allocations: 15.92 kB / 1.468 GB, free: 2.59 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006593/1.575, allocations: 1.253 MB / 1.47 GB, free: 1.328 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01624/1.591, allocations: 6.077 MB / 1.475 GB, free: 11.19 MB / 1.061 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009626/1.592, allocations: 361.8 kB / 1.476 GB, free: 10.83 MB / 1.061 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001169/1.594, allocations: 295.9 kB / 1.476 GB, free: 10.54 MB / 1.061 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00919/1.603, allocations: 3.226 MB / 1.479 GB, free: 7.191 MB / 1.061 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.326e-05/1.603, allocations: 4 kB / 1.479 GB, free: 7.188 MB / 1.061 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005331/1.604, allocations: 112 kB / 1.479 GB, free: 7.078 MB / 1.061 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001288/1.604, allocations: 105.1 kB / 1.479 GB, free: 6.973 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007757/1.611, allocations: 2.753 MB / 1.482 GB, free: 4.207 MB / 1.061 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 0.03074/1.642, allocations: 18.86 MB / 1.501 GB, free: 15.71 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004317/1.647, allocations: 1.805 MB / 1.502 GB, free: 13.88 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00243/1.649, allocations: 1.082 MB / 1.503 GB, free: 12.8 MB / 1.092 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 evalFunc (simulation): time 0.01044/1.659, allocations: 4.079 MB / 1.507 GB, free: 8.543 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.837e-05/1.66, allocations: 55.81 kB / 1.507 GB, free: 8.48 MB / 1.092 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.004574/1.664, allocations: 0.8528 MB / 1.508 GB, free: 7.625 MB / 1.092 GB Notification: Performance of pre-optimization done (n=142): time 1.354e-05/1.664, allocations: 0 / 1.508 GB, free: 7.625 MB / 1.092 GB Notification: Performance of matching and sorting (n=147): time 0.02871/1.693, allocations: 7.729 MB / 1.516 GB, free: 15.78 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.402e-05/1.693, allocations: 68.66 kB / 1.516 GB, free: 15.7 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01314/1.706, allocations: 5.063 MB / 1.521 GB, free: 10.63 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 0.0006002/1.707, allocations: 65.7 kB / 1.521 GB, free: 10.56 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.003011/1.71, allocations: 2.476 MB / 1.523 GB, free: 8.07 MB / 1.107 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009436/1.711, allocations: 0.5238 MB / 1.524 GB, free: 7.539 MB / 1.107 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007729/1.712, allocations: 316.2 kB / 1.524 GB, free: 7.223 MB / 1.107 GB Notification: Performance of setup shared object (initialization): time 0.0001052/1.712, allocations: 305.1 kB / 1.524 GB, free: 6.922 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003291/1.715, allocations: 1.294 MB / 1.526 GB, free: 5.625 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003988/1.719, allocations: 2.223 MB / 1.528 GB, free: 3.023 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006436/1.725, allocations: 3.25 MB / 1.531 GB, free: 15.48 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.228e-05/1.725, allocations: 8 kB / 1.531 GB, free: 15.47 MB / 1.123 GB Notification: Performance of matching and sorting (n=404) (initialization): time 0.01271/1.738, allocations: 4.624 MB / 1.536 GB, free: 10.82 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005377/1.739, allocations: 0.7227 MB / 1.536 GB, free: 9.809 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.712e-05/1.739, allocations: 23.94 kB / 1.536 GB, free: 9.785 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003204/1.742, allocations: 0.6346 MB / 1.537 GB, free: 9.141 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002953/1.745, allocations: 0.6475 MB / 1.538 GB, free: 8.492 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007716/1.753, allocations: 5.31 MB / 1.543 GB, free: 2.891 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005429/1.758, allocations: 390.8 kB / 1.543 GB, free: 2.508 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006561/1.759, allocations: 139.9 kB / 1.543 GB, free: 2.371 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 1.247e-05/1.759, allocations: 4 kB / 1.543 GB, free: 2.367 MB / 1.123 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01149/1.77, allocations: 4.02 MB / 1.547 GB, free: 14.33 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.015e-05/1.771, allocations: 20 kB / 1.547 GB, free: 14.31 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002985/1.774, allocations: 0.5848 MB / 1.548 GB, free: 13.72 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003072/1.777, allocations: 0.636 MB / 1.548 GB, free: 13.08 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009892/1.787, allocations: 6.675 MB / 1.555 GB, free: 5.973 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005614/1.792, allocations: 382.8 kB / 1.555 GB, free: 5.598 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007651/1.793, allocations: 139.9 kB / 1.555 GB, free: 5.461 MB / 1.139 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 94 * Number of states: 0 () * Number of discrete variables: 3 (onOffController.y,$PRE.onOffController.y,conPID.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (311): * Single equations (assignments): 304 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,4,100.0%), (3,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,9)} Notification: Performance of prepare postOptimizeDAE: time 0.004173/1.797, allocations: 1.094 MB / 1.556 GB, free: 4.355 MB / 1.139 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00196/1.799, allocations: 0.5091 MB / 1.557 GB, free: 3.84 MB / 1.139 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009507/1.809, allocations: 3.025 MB / 1.56 GB, free: 0.793 MB / 1.139 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.266e-05/1.809, allocations: 20 kB / 1.56 GB, free: 0.7734 MB / 1.139 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.478e-05/1.809, allocations: 0 / 1.56 GB, free: 0.7734 MB / 1.139 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.006005/1.815, allocations: 2.255 MB / 1.562 GB, free: 14.48 MB / 1.154 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 postOpt removeSimpleEquations (simulation): time 0.01818/1.833, allocations: 6.284 MB / 1.568 GB, free: 8.117 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.406e-05/1.833, allocations: 0 / 1.568 GB, free: 8.117 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001994/1.835, allocations: 363.6 kB / 1.569 GB, free: 7.762 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001402/1.837, allocations: 374.1 kB / 1.569 GB, free: 7.387 MB / 1.154 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001761/1.837, allocations: 47.97 kB / 1.569 GB, free: 7.34 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005005/1.842, allocations: 4.286 MB / 1.573 GB, free: 2.762 MB / 1.154 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.412e-06/1.842, allocations: 0 / 1.573 GB, free: 2.762 MB / 1.154 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01046/1.852, allocations: 3.927 MB / 1.577 GB, free: 14.8 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003238/1.855, allocations: 0.8417 MB / 1.578 GB, free: 13.93 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001844/1.857, allocations: 32 kB / 1.578 GB, free: 13.9 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004411/1.862, allocations: 331.3 kB / 1.578 GB, free: 13.58 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003316/1.862, allocations: 125.8 kB / 1.578 GB, free: 13.46 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000218/1.862, allocations: 71.94 kB / 1.578 GB, free: 13.39 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.007704/1.87, allocations: 3.338 MB / 1.582 GB, free: 10.05 MB / 1.17 GB Notification: Performance of sort global known variables: time 5.41e-07/1.87, allocations: 0 / 1.582 GB, free: 10.05 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.0107/1.881, allocations: 2.222 MB / 1.584 GB, free: 7.832 MB / 1.17 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 11 (boi.heaCapDry.T,val.filter.s[1],val.filter.s[2],pumLoa.filter.s[1],pumLoa.filter.s[2],pumBoi.filter.s[1],pumBoi.filter.s[2],conPID.I.y,exp.m,exp.H,vol.dynBal.U) * Number of discrete variables: 1 (onOffController.y) * Number of discrete states: 1 (onOffController.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (157): * Single equations (assignments): 150 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,4,100.0%), (3,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,9)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002463/1.883, allocations: 0.9154 MB / 1.585 GB, free: 6.91 MB / 1.17 GB Notification: Performance of simCode: created initialization part: time 0.01353/1.897, allocations: 5.639 MB / 1.59 GB, free: 1.223 MB / 1.17 GB Notification: Performance of simCode: created event and clocks part: time 8.436e-06/1.897, allocations: 0 / 1.59 GB, free: 1.223 MB / 1.17 GB Notification: Performance of simCode: created simulation system equations: time 0.003594/1.901, allocations: 1.391 MB / 1.592 GB, free: 15.8 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01793/1.919, allocations: 2.632 MB / 1.594 GB, free: 13.21 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.025/1.944, allocations: 10.53 MB / 1.604 GB, free: 2.656 MB / 1.186 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005807/1.949, allocations: 2.787 MB / 1.607 GB, free: 15.84 MB / 1.201 GB Notification: Performance of simCode: alias equations: time 0.006846/1.956, allocations: 1.172 MB / 1.608 GB, free: 14.66 MB / 1.201 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001472/1.958, allocations: 399.2 kB / 1.609 GB, free: 14.27 MB / 1.201 GB Notification: Performance of SimCode: time 1.392e-06/1.958, allocations: 0 / 1.609 GB, free: 14.27 MB / 1.201 GB Notification: Performance of Templates: time 0.1785/2.136, allocations: 97.11 MB / 1.703 GB, free: 14.2 MB / 1.295 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.sim & ./Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop.pipe 2>&1)