Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.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.DHC.Plants.Steam.Examples.SingleBoiler,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler") translateModel(Buildings.DHC.Plants.Steam.Examples.SingleBoiler,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009418/0.0009419, 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 0.008045/0.008046, allocations: 170.7 kB / 16.26 MB, free: 6.676 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.425/1.425, 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 2.838/2.838, allocations: 473.4 MB / 0.7469 GB, free: 6.094 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0003916/0.0003917, allocations: 9.562 kB / 0.9158 GB, free: 33 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3968/0.3972, allocations: 162.2 MB / 1.074 GB, free: 7.531 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.DHC.Plants.Steam.Examples.SingleBoiler): time 1.025/1.422, allocations: 234.3 MB / 1.303 GB, free: 5.848 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.04877/1.471, allocations: 33.35 MB / 1.336 GB, free: 5.16 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006432/1.477, allocations: 118.5 kB / 1.336 GB, free: 5.16 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01822/1.496, allocations: 10.35 MB / 1.346 GB, free: 4.98 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.01899/1.515, allocations: 4.324 MB / 1.35 GB, free: 4.766 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.01019/1.525, allocations: 3.431 MB / 1.353 GB, free: 3.262 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, 0.0004, 0.0005999999999999999, 0.0008, 0.001, 0.002176470588235294}[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, 0.001, 0.002}[pressure.n] * 0.0‘ Notification: Performance of NFFlatten.flatten: time 0.02762/1.553, allocations: 22.22 MB / 1.375 GB, free: 12.66 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005064/1.558, allocations: 2.515 MB / 1.377 GB, free: 11.21 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01149/1.569, allocations: 4.461 MB / 1.382 GB, free: 9.691 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005649/1.575, allocations: 2.956 MB / 1.385 GB, free: 8.246 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0008321/1.576, allocations: 159.4 kB / 1.385 GB, free: 8.246 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01034/1.586, allocations: 4.472 MB / 1.389 GB, free: 6.227 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.001751/1.588, allocations: 1.27 MB / 1.39 GB, free: 5.449 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.003873/1.592, allocations: 2.301 MB / 1.393 GB, free: 3.922 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.01375/1.605, allocations: 8.874 MB / 1.401 GB, free: 13.53 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 4.749e-06/1.606, allocations: 0 / 1.401 GB, free: 13.53 MB / 1.029 GB Notification: Performance of FrontEnd: time 2.104e-06/1.606, allocations: 0 / 1.401 GB, free: 13.53 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0001619/1.606, allocations: 0 / 1.401 GB, free: 13.53 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 539 * Number of variables: 539 Notification: Performance of Generate backend data structure: time 0.00984/1.616, allocations: 4.694 MB / 1.406 GB, free: 8.805 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.515e-05/1.616, allocations: 23.86 kB / 1.406 GB, free: 8.781 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01124/1.627, allocations: 1.648 MB / 1.408 GB, free: 7.129 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01175/1.639, allocations: 5.51 MB / 1.413 GB, free: 1.676 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001998/1.639, allocations: 180.8 kB / 1.413 GB, free: 1.496 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005191/1.639, allocations: 239.8 kB / 1.413 GB, free: 1.266 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006459/1.646, allocations: 3.068 MB / 1.416 GB, free: 14.05 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.773e-05/1.646, allocations: 0 / 1.416 GB, free: 14.05 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002493/1.646, allocations: 88 kB / 1.416 GB, free: 13.96 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.817e-05/1.646, allocations: 76.06 kB / 1.417 GB, free: 13.89 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007142/1.653, allocations: 2.623 MB / 1.419 GB, free: 11.25 MB / 1.045 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 0.02331/1.677, allocations: 13.53 MB / 1.432 GB, free: 13.18 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00599/1.683, allocations: 2.127 MB / 1.434 GB, free: 11.04 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003123/1.686, allocations: 1.13 MB / 1.436 GB, free: 9.91 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01321/1.699, allocations: 4.528 MB / 1.44 GB, free: 5.113 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.062e-05/1.699, allocations: 51.88 kB / 1.44 GB, free: 5.055 MB / 1.061 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003177/1.702, allocations: 345 kB / 1.44 GB, free: 4.719 MB / 1.061 GB Notification: Performance of pre-optimization done (n=153): time 7.904e-06/1.702, allocations: 4 kB / 1.44 GB, free: 4.715 MB / 1.061 GB Warning: Some equations could not be differentiated for following variables having attribute stateSelect=StateSelect.prefer. They will be treated as if they had stateSelect=StateSelect.default ======================================== 1: pla.boi.vol.p Please use -d=bltdump for more information. Notification: Performance of matching and sorting (n=180): time 0.1867/1.889, allocations: 46.47 MB / 1.486 GB, free: 6.047 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.846e-05/1.889, allocations: 69.41 kB / 1.486 GB, free: 5.965 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007709/1.897, allocations: 4.291 MB / 1.49 GB, free: 1.672 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 0.0004629/1.897, allocations: 65.7 kB / 1.49 GB, free: 1.602 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.001884/1.899, allocations: 1.951 MB / 1.492 GB, free: 15.66 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008794/1.9, allocations: 0.6278 MB / 1.493 GB, free: 15.03 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006132/1.901, allocations: 312.2 kB / 1.493 GB, free: 14.72 MB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0001013/1.901, allocations: 305.1 kB / 1.493 GB, free: 14.42 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004675/1.906, allocations: 2.055 MB / 1.495 GB, free: 12.36 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005208/1.911, allocations: 2.731 MB / 1.498 GB, free: 9.371 MB / 1.123 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009876/1.921, allocations: 4.563 MB / 1.502 GB, free: 4.582 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.003e-05/1.921, allocations: 4 kB / 1.502 GB, free: 4.578 MB / 1.123 GB Notification: Performance of matching and sorting (n=404) (initialization): time 0.01596/1.937, allocations: 6.275 MB / 1.508 GB, free: 14.25 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004219/1.937, allocations: 0.5332 MB / 1.509 GB, free: 13.5 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.38e-05/1.937, allocations: 27.86 kB / 1.509 GB, free: 13.48 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.006825/1.944, allocations: 1.753 MB / 1.511 GB, free: 11.71 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002679/1.947, allocations: 0.5461 MB / 1.511 GB, free: 11.16 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01168/1.958, allocations: 7.104 MB / 1.518 GB, free: 3.723 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00521/1.964, allocations: 331.3 kB / 1.518 GB, free: 3.398 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006442/1.964, allocations: 163.9 kB / 1.519 GB, free: 3.238 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 1.056e-05/1.964, allocations: 9.406 kB / 1.519 GB, free: 3.23 MB / 1.139 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01396/1.978, allocations: 5.213 MB / 1.524 GB, free: 13.97 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.157e-05/1.978, allocations: 20.03 kB / 1.524 GB, free: 13.95 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.005505/1.984, allocations: 1.394 MB / 1.525 GB, free: 12.54 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002935/1.987, allocations: 0.5578 MB / 1.526 GB, free: 11.98 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0151/2.002, allocations: 9.226 MB / 1.535 GB, free: 2.23 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005723/2.008, allocations: 323.1 kB / 1.535 GB, free: 1.914 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008669/2.009, allocations: 143.9 kB / 1.535 GB, free: 1.773 MB / 1.154 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 65 * Number of states: 0 () * Number of discrete variables: 3 (conPumCNR.I.trigger_internal,pla.conBoi.I.trigger_internal,pla.conPum.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (276): * Single equations (assignments): 267 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(3,8), (2,8), (4,30), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.003449/2.012, allocations: 1.118 MB / 1.536 GB, free: 0.6445 MB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001652/2.014, allocations: 426.4 kB / 1.537 GB, free: 228 kB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01688/2.031, allocations: 4.09 MB / 1.541 GB, free: 12.1 MB / 1.17 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.686e-05/2.031, allocations: 16 kB / 1.541 GB, free: 12.09 MB / 1.17 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.016e-05/2.031, allocations: 3.984 kB / 1.541 GB, free: 12.08 MB / 1.17 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01324/2.044, allocations: 3.451 MB / 1.544 GB, free: 8.586 MB / 1.17 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 0.02538/2.07, allocations: 8.638 MB / 1.552 GB, free: 15.84 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.521e-05/2.07, allocations: 0 / 1.552 GB, free: 15.84 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00197/2.072, allocations: 319.6 kB / 1.553 GB, free: 15.53 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005892/2.077, allocations: 1.346 MB / 1.554 GB, free: 14.17 MB / 1.186 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003784/2.078, allocations: 75.92 kB / 1.554 GB, free: 14.1 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.009288/2.087, allocations: 5.388 MB / 1.559 GB, free: 8.504 MB / 1.186 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.47e-06/2.087, allocations: 4 kB / 1.559 GB, free: 8.5 MB / 1.186 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01523/2.102, allocations: 5.126 MB / 1.564 GB, free: 3.336 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002461/2.105, allocations: 0.761 MB / 1.565 GB, free: 2.551 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001272/2.106, allocations: 40 kB / 1.565 GB, free: 2.512 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004269/2.111, allocations: 271.5 kB / 1.565 GB, free: 2.246 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003297/2.111, allocations: 113.8 kB / 1.566 GB, free: 2.137 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003127/2.111, allocations: 83.94 kB / 1.566 GB, free: 2.055 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.006894/2.118, allocations: 2.88 MB / 1.568 GB, free: 15.18 MB / 1.201 GB Notification: Performance of sort global known variables: time 2.825e-06/2.118, allocations: 4 kB / 1.568 GB, free: 15.18 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.01319/2.131, allocations: 2.949 MB / 1.571 GB, free: 12.23 MB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 14 (pla.pumFW.port_a.h_outflow,pla.pumFW.filter.s[1],pla.pumFW.filter.s[2],pla.boi.vol.p,pla.boi.vol.VWat,pla.conPum.I.y,pla.conBoi.I.y,pla.tanFW.m,pla.tanFW.H,vol.VWat,conPumCNR.I.y,pumCNR.port_a.h_outflow,pumCNR.filter.s[1],pumCNR.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 (135): * Single equations (assignments): 131 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(3,7), (2,7), (4,30), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.01019/2.142, allocations: 1.238 MB / 1.572 GB, free: 11.05 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.01873/2.16, allocations: 7.217 MB / 1.58 GB, free: 3.766 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 8.245e-06/2.16, allocations: 0 / 1.58 GB, free: 3.766 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.005179/2.166, allocations: 1.652 MB / 1.581 GB, free: 2.098 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01377/2.179, allocations: 2.074 MB / 1.583 GB, free: 60 kB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01968/2.199, allocations: 9.783 MB / 1.593 GB, free: 6.234 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003395/2.203, allocations: 2.534 MB / 1.595 GB, free: 3.668 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.005975/2.209, allocations: 0.9767 MB / 1.596 GB, free: 2.688 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001327/2.21, allocations: 303.3 kB / 1.596 GB, free: 2.391 MB / 1.217 GB Notification: Performance of SimCode: time 1.042e-06/2.21, allocations: 0 / 1.596 GB, free: 2.391 MB / 1.217 GB Notification: Performance of Templates: time 0.2511/2.461, allocations: 148 MB / 1.741 GB, free: 15.68 MB / 1.373 GB make -j1 -f Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.makefile (rm -f Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe ; mkfifo Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe ; head -c 1048576 < Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe >> ../files/Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.sim & ./Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe 2>&1)