Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsParallel.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: "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.PumpsParallel,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsParallel",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.PumpsParallel,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsParallel",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008228/0.0008227, allocations: 91.84 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 0.004974/0.004974, 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 1.271/1.271, allocations: 223.3 MB / 240.3 MB, free: 5.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8937/0.8937, allocations: 135.3 MB / 426.7 MB, free: 14.14 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003052/0.0003053, allocations: 8 kB / 0.5077 GB, free: 4.664 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1344/0.1347, allocations: 82.31 MB / 0.5881 GB, free: 2.527 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Examples.PumpsParallel): time 0.3069/0.4416, allocations: 65.42 MB / 0.652 GB, free: 12.98 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.02338/0.4651, allocations: 19.24 MB / 0.6707 GB, free: 15.24 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003853/0.4689, allocations: 82.53 kB / 0.6708 GB, free: 15.2 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.003805/0.4728, allocations: 1.107 MB / 0.6719 GB, free: 14.61 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.008811/0.4816, allocations: 2.978 MB / 0.6748 GB, free: 12.88 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.006011/0.4876, allocations: 2.147 MB / 0.6769 GB, free: 11.67 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.01314/0.5008, allocations: 8.132 MB / 0.6849 GB, free: 8.652 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004445/0.5052, allocations: 1.833 MB / 0.6866 GB, free: 7.871 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006092/0.5114, allocations: 2.059 MB / 0.6887 GB, free: 6.977 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004352/0.5157, allocations: 1.787 MB / 0.6904 GB, free: 6.227 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0008997/0.5167, allocations: 94.41 kB / 0.6905 GB, free: 6.227 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00569/0.5224, allocations: 1.63 MB / 0.6921 GB, free: 5.676 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.001519/0.5239, allocations: 0.5806 MB / 0.6926 GB, free: 5.426 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.003759/0.5277, allocations: 1.21 MB / 0.6938 GB, free: 4.691 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.008412/0.5361, allocations: 3.949 MB / 0.6977 GB, free: 3.469 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 2.966e-06/0.5361, allocations: 0 / 0.6977 GB, free: 3.469 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.172e-06/0.5361, allocations: 1.781 kB / 0.6977 GB, free: 3.469 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 0.0001292/0.5363, allocations: 0 / 0.6977 GB, free: 3.469 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 327 * Number of variables: 327 Notification: Performance of Generate backend data structure: time 0.006192/0.5425, allocations: 2.5 MB / 0.7001 GB, free: 1.898 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 3.921e-05/0.5425, allocations: 13 kB / 0.7001 GB, free: 1.895 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003533/0.5429, allocations: 192.7 kB / 0.7003 GB, free: 1.77 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00191/0.5448, allocations: 457.2 kB / 0.7008 GB, free: 1.613 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003945/0.5488, allocations: 2.157 MB / 0.7029 GB, free: 36 kB / 0.5137 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000108/0.5489, allocations: 107.5 kB / 0.703 GB, free: 15.98 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002295/0.5491, allocations: 145.8 kB / 0.7031 GB, free: 15.94 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002685/0.5518, allocations: 1.551 MB / 0.7046 GB, free: 14.96 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.288e-05/0.5519, allocations: 5.219 kB / 0.7046 GB, free: 14.96 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000127/0.552, allocations: 52.25 kB / 0.7047 GB, free: 14.92 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.424e-05/0.552, allocations: 48.33 kB / 0.7047 GB, free: 14.91 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002305/0.5544, allocations: 1.175 MB / 0.7059 GB, free: 14.33 MB / 0.5294 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 0.00857/0.5629, allocations: 7.669 MB / 0.7134 GB, free: 7.531 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001951/0.5649, allocations: 0.9725 MB / 0.7143 GB, free: 7.012 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001047/0.566, allocations: 0.5415 MB / 0.7148 GB, free: 6.754 MB / 0.5294 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 0.003814/0.5698, allocations: 2.53 MB / 0.7173 GB, free: 4.488 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.636e-05/0.5698, allocations: 51.23 kB / 0.7174 GB, free: 4.434 MB / 0.5294 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0008936/0.5707, allocations: 227 kB / 0.7176 GB, free: 4.32 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=85): time 2.454e-06/0.5707, allocations: 0 / 0.7176 GB, free: 4.32 MB / 0.5294 GB Notification: Performance of matching and sorting (n=85): time 0.005943/0.5767, allocations: 2.057 MB / 0.7196 GB, free: 3.25 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.598e-05/0.5768, allocations: 62.47 kB / 0.7196 GB, free: 3.184 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002251/0.579, allocations: 1.786 MB / 0.7214 GB, free: 2.203 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.0001049/0.5791, allocations: 52.27 kB / 0.7214 GB, free: 2.152 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007674/0.5799, allocations: 1.003 MB / 0.7224 GB, free: 1.266 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002649/0.5802, allocations: 300.3 kB / 0.7227 GB, free: 1 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001387/0.5803, allocations: 101 kB / 0.7228 GB, free: 0.9336 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001244/0.5805, allocations: 352.3 kB / 0.7231 GB, free: 0.5938 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009152/0.5814, allocations: 495.5 kB / 0.7236 GB, free: 220 kB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00118/0.5826, allocations: 0.8971 MB / 0.7245 GB, free: 15.14 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002055/0.5846, allocations: 1.338 MB / 0.7258 GB, free: 13.68 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.553e-06/0.5846, allocations: 7.938 kB / 0.7258 GB, free: 13.67 MB / 0.545 GB Notification: Performance of matching and sorting (n=141) (initialization): time 0.003068/0.5877, allocations: 1.695 MB / 0.7275 GB, free: 11.96 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002098/0.5879, allocations: 360.7 kB / 0.7278 GB, free: 11.48 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.591e-05/0.588, allocations: 23.92 kB / 0.7278 GB, free: 11.45 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001215/0.5892, allocations: 322.7 kB / 0.7281 GB, free: 11.14 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000984/0.5902, allocations: 255.6 kB / 0.7284 GB, free: 10.89 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008379/0.591, allocations: 0.8594 MB / 0.7292 GB, free: 10 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001643/0.5927, allocations: 119.8 kB / 0.7293 GB, free: 9.887 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001186/0.5928, allocations: 67.97 kB / 0.7294 GB, free: 9.82 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 8.756e-06/0.5928, allocations: 6.344 kB / 0.7294 GB, free: 9.816 MB / 0.545 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00273/0.5956, allocations: 1.402 MB / 0.7308 GB, free: 8.41 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.228e-05/0.5956, allocations: 11.98 kB / 0.7308 GB, free: 8.398 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001134/0.5967, allocations: 323.1 kB / 0.7311 GB, free: 8.082 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008537/0.5976, allocations: 247.6 kB / 0.7313 GB, free: 7.84 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007005/0.6046, allocations: 4.225 MB / 0.7354 GB, free: 3.398 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001897/0.6065, allocations: 119.8 kB / 0.7356 GB, free: 3.281 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001428/0.6067, allocations: 55.98 kB / 0.7356 GB, free: 3.227 MB / 0.545 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 (120): * Single equations (assignments): 117 * Array equations: 2 * Algorithm blocks: 0 * 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 {(2,18)} Notification: Performance of prepare postOptimizeDAE: time 0.001403/0.6081, allocations: 0.5513 MB / 0.7362 GB, free: 2.664 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005597/0.6087, allocations: 201.5 kB / 0.7363 GB, free: 2.465 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003337/0.612, allocations: 1.569 MB / 0.7379 GB, free: 0.8828 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.73e-05/0.612, allocations: 12 kB / 0.7379 GB, free: 0.8711 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.667e-06/0.6121, allocations: 0 / 0.7379 GB, free: 0.8711 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002314/0.6144, allocations: 1.227 MB / 0.7391 GB, free: 15.61 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 postOpt removeSimpleEquations (simulation): time 0.006217/0.6206, allocations: 3.294 MB / 0.7423 GB, free: 12.21 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.751e-06/0.6206, allocations: 0 / 0.7423 GB, free: 12.21 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007815/0.6214, allocations: 167.8 kB / 0.7425 GB, free: 12.04 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005593/0.622, allocations: 216.6 kB / 0.7427 GB, free: 11.83 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.369e-05/0.6221, allocations: 31.97 kB / 0.7427 GB, free: 11.8 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007354/0.6228, allocations: 0.8158 MB / 0.7435 GB, free: 10.96 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.116e-06/0.6228, allocations: 3.938 kB / 0.7435 GB, free: 10.95 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003749/0.6266, allocations: 2.017 MB / 0.7455 GB, free: 8.91 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009465/0.6275, allocations: 398.3 kB / 0.7458 GB, free: 8.5 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002055/0.6278, allocations: 20.12 kB / 0.7459 GB, free: 8.48 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001094/0.6289, allocations: 120.7 kB / 0.746 GB, free: 8.363 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001173/0.629, allocations: 68.86 kB / 0.746 GB, free: 8.293 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.925e-05/0.6291, allocations: 39.97 kB / 0.7461 GB, free: 8.254 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.001774/0.6309, allocations: 1.205 MB / 0.7473 GB, free: 7.031 MB / 0.5606 GB Notification: Performance of sort global known variables: time 2.61e-07/0.6309, allocations: 0 / 0.7473 GB, free: 7.031 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.003298/0.6342, allocations: 1.201 MB / 0.7484 GB, free: 5.828 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 6 (floMac1.vol.dynBal.U,floMac1.filter.s[1],floMac1.filter.s[2],floMac2.vol.dynBal.U,floMac2.filter.s[1],floMac2.filter.s[2]) * 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 (84): * Single equations (assignments): 78 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * 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 {(2,19)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004919/0.6391, allocations: 2.974 MB / 0.7513 GB, free: 2.824 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.003902/0.643, allocations: 2.079 MB / 0.7534 GB, free: 0.7344 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 5.06e-06/0.643, allocations: 0 / 0.7534 GB, free: 0.7344 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.001031/0.6441, allocations: 0.56 MB / 0.7539 GB, free: 184 kB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004726/0.6488, allocations: 0.9453 MB / 0.7548 GB, free: 15.25 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03161/0.6804, allocations: 17.05 MB / 0.7715 GB, free: 13.02 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001074/0.6815, allocations: 1.544 MB / 0.773 GB, free: 11.44 MB / 0.5919 GB Notification: Performance of simCode: alias equations: time 0.002012/0.6836, allocations: 468.9 kB / 0.7734 GB, free: 10.98 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001047/0.6846, allocations: 0.8935 MB / 0.7743 GB, free: 10.09 MB / 0.5919 GB Notification: Performance of SimCode: time 6.61e-07/0.6846, allocations: 3.938 kB / 0.7743 GB, free: 10.09 MB / 0.5919 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.4/2.085, allocations: 58.68 MB / 0.8316 GB, free: 15.96 MB / 0.6544 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002355/2.085, allocations: 262.9 kB / 0.8319 GB, free: 15.64 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.398/5.484, allocations: 0 / 0.8319 GB, free: 15.64 MB / 0.6544 GB (rm -f IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsParallel.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsParallel.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsParallel.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsParallel.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsParallel_fmu --startTime=0 --stopTime=300 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsParallel.fmu > IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsParallel.pipe 2>&1)