Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.Movers.Validation.ControlledFlowMachine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine") translateModel(IBPSA.Fluid.Movers.Validation.ControlledFlowMachine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001032/0.001032, allocations: 102 kB / 16.27 MB, free: 5.984 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001003/0.001003, allocations: 188.4 kB / 17.19 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.39/1.39, allocations: 222.9 MB / 240.9 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7713/0.7713, allocations: 126.1 MB / 417.1 MB, free: 12.87 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00211/0.00211, allocations: 59.89 kB / 0.495 GB, free: 3.527 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3981/0.4003, allocations: 78.7 MB / 0.5718 GB, free: 31.3 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.ControlledFlowMachine): time 0.7023/1.103, allocations: 321.5 MB / 0.8857 GB, free: 13.66 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.06431/1.167, allocations: 39.56 MB / 0.9244 GB, free: 7.336 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00839/1.175, allocations: 151.2 kB / 0.9245 GB, free: 7.188 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.02739/1.203, allocations: 14.93 MB / 0.9391 GB, free: 8.234 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.02444/1.227, allocations: 7.191 MB / 0.9461 GB, free: 1.016 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.01032/1.238, allocations: 3.601 MB / 0.9496 GB, free: 13.43 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.0499/1.288, allocations: 30.69 MB / 0.9796 GB, free: 14.76 MB / 0.7012 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008356/1.296, allocations: 3.468 MB / 0.983 GB, free: 11.23 MB / 0.7012 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01636/1.312, allocations: 5.769 MB / 0.9886 GB, free: 5.441 MB / 0.7012 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007785/1.32, allocations: 3.455 MB / 0.992 GB, free: 1.984 MB / 0.7012 GB Notification: Performance of NFPackage.collectConstants: time 0.002351/1.323, allocations: 499.9 kB / 0.9925 GB, free: 1.496 MB / 0.7012 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01659/1.339, allocations: 6.244 MB / 0.9986 GB, free: 11.24 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.003865/1.343, allocations: 2.474 MB / 1.001 GB, free: 8.758 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.007567/1.351, allocations: 3.344 MB / 1.004 GB, free: 5.398 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.02182/1.373, allocations: 11.25 MB / 1.015 GB, free: 10.12 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 6.222e-06/1.373, allocations: 0 / 1.015 GB, free: 10.12 MB / 0.7325 GB Notification: Performance of FrontEnd: time 2.134e-06/1.373, allocations: 0 / 1.015 GB, free: 10.12 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 0.0003401/1.373, allocations: 0 / 1.015 GB, free: 10.12 MB / 0.7325 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 572 * Number of variables: 572 Notification: Performance of Generate backend data structure: time 0.02025/1.393, allocations: 7.179 MB / 1.022 GB, free: 2.816 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 5.64e-05/1.393, allocations: 8.031 kB / 1.022 GB, free: 2.809 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0113/1.405, allocations: 1.749 MB / 1.024 GB, free: 1.051 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.3496/1.754, allocations: 7.896 MB / 1.032 GB, free: 310.8 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004674/1.755, allocations: 205.2 kB / 1.032 GB, free: 310.7 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001532/1.756, allocations: 269.5 kB / 1.032 GB, free: 310.6 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009728/1.766, allocations: 3.587 MB / 1.036 GB, free: 309.2 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001162/1.766, allocations: 7.562 kB / 1.036 GB, free: 309.2 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006199/1.767, allocations: 94.38 kB / 1.036 GB, free: 309.1 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001271/1.767, allocations: 83.66 kB / 1.036 GB, free: 309.1 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006931/1.774, allocations: 2.68 MB / 1.038 GB, free: 308.2 MB / 0.7325 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 0.02995/1.804, allocations: 15.34 MB / 1.053 GB, free: 295.9 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004799/1.809, allocations: 2.133 MB / 1.055 GB, free: 294.8 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002108/1.811, allocations: 1.14 MB / 1.057 GB, free: 294.3 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002999/1.811, allocations: 218.8 kB / 1.057 GB, free: 294.1 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002613/1.814, allocations: 1.739 MB / 1.059 GB, free: 293.2 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=137): time 3.377e-06/1.814, allocations: 0 / 1.059 GB, free: 293.2 MB / 0.7325 GB Notification: Performance of matching and sorting (n=137): time 0.008875/1.823, allocations: 3.58 MB / 1.062 GB, free: 291.4 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.619e-05/1.823, allocations: 68.5 kB / 1.062 GB, free: 291.3 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01177/1.835, allocations: 6.229 MB / 1.068 GB, free: 288.1 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0008969/1.836, allocations: 72.45 kB / 1.068 GB, free: 288 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.002095/1.838, allocations: 2.358 MB / 1.071 GB, free: 285.7 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008544/1.838, allocations: 0.4954 MB / 1.071 GB, free: 285.2 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001205/1.84, allocations: 0.8651 MB / 1.072 GB, free: 284.4 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 4.8e-05/1.84, allocations: 312.6 kB / 1.072 GB, free: 284.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003003/1.843, allocations: 2.813 MB / 1.075 GB, free: 281.2 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003498/1.846, allocations: 3.889 MB / 1.079 GB, free: 277 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006231/1.853, allocations: 6.351 MB / 1.085 GB, free: 270.4 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.166e-05/1.853, allocations: 8 kB / 1.085 GB, free: 270.4 MB / 0.7325 GB Notification: Performance of matching and sorting (n=514) (initialization): time 0.01066/1.863, allocations: 7.494 MB / 1.092 GB, free: 262.9 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 6.09e-05/1.863, allocations: 43.3 kB / 1.092 GB, free: 262.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.433e-05/1.863, allocations: 27.98 kB / 1.092 GB, free: 262.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007428/1.864, allocations: 417 kB / 1.093 GB, free: 262.4 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003561/1.868, allocations: 0.735 MB / 1.093 GB, free: 261.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003207/1.871, allocations: 3.255 MB / 1.097 GB, free: 258.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006964/1.878, allocations: 450.4 kB / 1.097 GB, free: 257.9 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008481/1.879, allocations: 204 kB / 1.097 GB, free: 257.7 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007226/1.886, allocations: 3.83 MB / 1.101 GB, free: 253.9 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00403/1.89, allocations: 3.588 MB / 1.104 GB, free: 249.9 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00661/1.897, allocations: 5.755 MB / 1.11 GB, free: 243.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.335e-05/1.897, allocations: 4 kB / 1.11 GB, free: 243.9 MB / 0.7325 GB Notification: Performance of matching and sorting (n=514) (initialization_lambda0): time 0.01068/1.907, allocations: 6.889 MB / 1.117 GB, free: 237 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 6.131e-05/1.908, allocations: 45.69 kB / 1.117 GB, free: 236.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.356e-05/1.908, allocations: 24 kB / 1.117 GB, free: 236.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001057/1.909, allocations: 456.5 kB / 1.117 GB, free: 236.5 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002993/1.912, allocations: 0.7254 MB / 1.118 GB, free: 235.8 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01088/1.923, allocations: 6.168 MB / 1.124 GB, free: 229.4 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008977/1.932, allocations: 375.5 kB / 1.124 GB, free: 229.1 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001117/1.933, allocations: 199.9 kB / 1.125 GB, free: 228.9 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 105 * Number of states: 0 () * Number of discrete variables: 5 (y.count,$PRE.y.count,y.T_start,$PRE.y.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (371): * Single equations (assignments): 354 * Array equations: 3 * Algorithm blocks: 1 * Record equations: 9 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.001814/1.935, allocations: 352.3 kB / 1.125 GB, free: 228.5 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002616/1.937, allocations: 0.4934 MB / 1.125 GB, free: 228 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009679/1.947, allocations: 2.734 MB / 1.128 GB, free: 225.3 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.726e-05/1.947, allocations: 15.94 kB / 1.128 GB, free: 225.3 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.886e-06/1.947, allocations: 0 / 1.128 GB, free: 225.3 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005577/1.953, allocations: 2.34 MB / 1.13 GB, free: 222.9 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02094/1.974, allocations: 6.52 MB / 1.137 GB, free: 216.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.465e-05/1.974, allocations: 7.938 kB / 1.137 GB, free: 216.3 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002335/1.976, allocations: 451.2 kB / 1.137 GB, free: 215.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003536/1.976, allocations: 168.2 kB / 1.137 GB, free: 215.7 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001504/1.976, allocations: 43.98 kB / 1.137 GB, free: 215.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001628/1.978, allocations: 3.013 MB / 1.14 GB, free: 212.6 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.388e-06/1.978, allocations: 7.984 kB / 1.14 GB, free: 212.6 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007409/1.986, allocations: 4.05 MB / 1.144 GB, free: 208.5 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003264/1.989, allocations: 0.8571 MB / 1.145 GB, free: 207.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002067/1.991, allocations: 28 kB / 1.145 GB, free: 207.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004019/1.995, allocations: 126.6 kB / 1.145 GB, free: 207.5 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002411/1.995, allocations: 97.12 kB / 1.145 GB, free: 207.4 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001673/1.995, allocations: 67.81 kB / 1.145 GB, free: 207.3 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.008536/2.004, allocations: 4.215 MB / 1.15 GB, free: 203.1 MB / 0.7325 GB Notification: Performance of sort global known variables: time 2.4e-07/2.004, allocations: 0 / 1.15 GB, free: 203.1 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.01106/2.015, allocations: 2.505 MB / 1.152 GB, free: 200.7 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * Number of states: 11 (fan1.vol.dynBal.medium.Xi[1],fan1.vol.dynBal.U,fan1.vol.dynBal.m,fan1.filter.s[1],fan1.filter.s[2],fan3.vol.dynBal.medium.Xi[1],fan3.vol.dynBal.U,fan3.vol.dynBal.m,fan2.vol.dynBal.medium.Xi[1],fan2.vol.dynBal.U,fan2.vol.dynBal.m) * Number of discrete variables: 3 ($whenCondition1,y.T_start,y.count) * Number of discrete states: 1 (y.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (138): * Single equations (assignments): 132 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002396/2.017, allocations: 0.8054 MB / 1.153 GB, free: 200 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.01381/2.031, allocations: 8.377 MB / 1.161 GB, free: 191.6 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.424e-05/2.031, allocations: 0 / 1.161 GB, free: 191.6 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.002379/2.034, allocations: 1.18 MB / 1.162 GB, free: 190.4 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01516/2.049, allocations: 2.963 MB / 1.165 GB, free: 187.6 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02205/2.071, allocations: 9.938 MB / 1.175 GB, free: 177.6 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002762/2.074, allocations: 3.173 MB / 1.178 GB, free: 174.4 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.006457/2.08, allocations: 1.452 MB / 1.179 GB, free: 172.9 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001161/2.081, allocations: 375.3 kB / 1.18 GB, free: 172.6 MB / 0.7325 GB Notification: Performance of SimCode: time 1.273e-06/2.081, allocations: 0 / 1.18 GB, free: 172.6 MB / 0.7325 GB Notification: Performance of Templates: time 0.1997/2.281, allocations: 121 MB / 1.298 GB, free: 52.65 MB / 0.7325 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe 2>&1)