Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.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 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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.Templates.Plants.Controls.Utilities.Validation.HoldReal,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal") translateModel(Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001024/0.001028, allocations: 92.16 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001312/0.001312, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.45/1.45, allocations: 223.3 MB / 240 MB, free: 5.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.903/2.903, allocations: 462.6 MB / 0.736 GB, free: 15.75 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0003686/0.0003688, allocations: 8.531 kB / 0.9021 GB, free: 36.66 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3709/0.3713, allocations: 159.6 MB / 1.058 GB, free: 5.324 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal): time 0.003208/0.3746, allocations: 2.095 MB / 1.06 GB, free: 3.219 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.00194/0.3765, allocations: 1.138 MB / 1.061 GB, free: 2.078 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002077/0.3768, allocations: 11.94 kB / 1.061 GB, free: 2.066 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.0002129/0.377, allocations: 43.59 kB / 1.061 GB, free: 2.023 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 8.32e-05/0.3771, allocations: 23.78 kB / 1.061 GB, free: 2 MB / 0.8106 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009065/0.378, allocations: 246 kB / 1.061 GB, free: 1.762 MB / 0.8106 GB Notification: Performance of NFFlatten.flatten: time 0.0006264/0.3786, allocations: 487.2 kB / 1.062 GB, free: 1.285 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005332/0.3792, allocations: 280.1 kB / 1.062 GB, free: 1.004 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002315/0.3794, allocations: 123.5 kB / 1.062 GB, free: 0.8828 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000222/0.3797, allocations: 135.3 kB / 1.062 GB, free: 0.75 MB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 4.221e-05/0.3797, allocations: 16 kB / 1.062 GB, free: 0.7344 MB / 0.8106 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001238/0.3798, allocations: 31.98 kB / 1.063 GB, free: 0.7031 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 8.694e-05/0.3799, allocations: 71.73 kB / 1.063 GB, free: 0.6328 MB / 0.8106 GB Notification: Performance of NFVerifyModel.verify: time 0.0001524/0.3801, allocations: 93.52 kB / 1.063 GB, free: 0.5352 MB / 0.8106 GB Notification: Performance of NFConvertDAE.convert: time 0.0005285/0.3806, allocations: 0.5029 MB / 1.063 GB, free: 32 kB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 6.603e-06/0.3806, allocations: 3.938 kB / 1.063 GB, free: 28 kB / 0.8106 GB Notification: Performance of FrontEnd: time 2.736e-06/0.3807, allocations: 0 / 1.063 GB, free: 28 kB / 0.8106 GB Notification: Performance of Transformations before backend: time 8.065e-06/0.3807, allocations: 0 / 1.063 GB, free: 28 kB / 0.8106 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 86 * Number of variables: 86 Notification: Performance of Generate backend data structure: time 0.0009681/0.3816, allocations: 0.5778 MB / 1.064 GB, free: 15.39 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.165e-05/0.3817, allocations: 8.031 kB / 1.064 GB, free: 15.39 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 9.82e-05/0.3818, allocations: 47.53 kB / 1.064 GB, free: 15.34 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004319/0.3822, allocations: 322.5 kB / 1.064 GB, free: 14.98 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.438e-05/0.3823, allocations: 37 kB / 1.064 GB, free: 14.95 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.036e-05/0.3824, allocations: 51.94 kB / 1.064 GB, free: 14.9 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007854/0.3832, allocations: 430.6 kB / 1.065 GB, free: 14.44 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.525e-05/0.3832, allocations: 3.938 kB / 1.065 GB, free: 14.44 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.01e-05/0.3832, allocations: 15.98 kB / 1.065 GB, free: 14.42 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.152e-05/0.3833, allocations: 8 kB / 1.065 GB, free: 14.41 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004938/0.3838, allocations: 262.4 kB / 1.065 GB, free: 14.16 MB / 0.8262 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002018/0.3858, allocations: 1.683 MB / 1.067 GB, free: 12.4 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004316/0.3862, allocations: 251.9 kB / 1.067 GB, free: 12.12 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002117/0.3865, allocations: 132.4 kB / 1.067 GB, free: 11.99 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 3.322e-05/0.3865, allocations: 4 kB / 1.067 GB, free: 11.98 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004721/0.387, allocations: 238.2 kB / 1.067 GB, free: 11.73 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=31): time 2.254e-06/0.387, allocations: 4 kB / 1.067 GB, free: 11.73 MB / 0.8262 GB Notification: Performance of matching and sorting (n=31): time 0.0007917/0.3878, allocations: 410.7 kB / 1.068 GB, free: 11.32 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.459e-05/0.3879, allocations: 115.1 kB / 1.068 GB, free: 11.18 MB / 0.8262 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Templates/Plants/Controls/Utilities/PlaceholderLogical.mo:9:3-11:47:writable] Warning: Parameter holTim.ph.u_internal has no value, and is fixed during initialization (fixed=true), using available start value (start=true) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Templates/Plants/Controls/Utilities/PlaceholderLogical.mo:9:3-11:47:writable] Warning: Parameter hol.ph.u_internal has no value, and is fixed during initialization (fixed=true), using available start value (start=true) as default value. Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002291/0.3881, allocations: 223.5 kB / 1.068 GB, free: 10.95 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 5.727e-05/0.3882, allocations: 53.69 kB / 1.068 GB, free: 10.89 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001632/0.3884, allocations: 196.3 kB / 1.068 GB, free: 10.7 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 6.47e-05/0.3884, allocations: 71.09 kB / 1.068 GB, free: 10.63 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.664e-05/0.3885, allocations: 8 kB / 1.068 GB, free: 10.62 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.0001521/0.3886, allocations: 338.8 kB / 1.068 GB, free: 10.28 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002548/0.3889, allocations: 128.9 kB / 1.069 GB, free: 10.15 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003479/0.3892, allocations: 255.9 kB / 1.069 GB, free: 9.852 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002959/0.3895, allocations: 169.8 kB / 1.069 GB, free: 9.68 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.963e-06/0.3896, allocations: 4 kB / 1.069 GB, free: 9.676 MB / 0.8262 GB Notification: Performance of matching and sorting (n=56) (initialization): time 0.0007885/0.3904, allocations: 468.5 kB / 1.069 GB, free: 9.207 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 6.233e-05/0.3904, allocations: 39.88 kB / 1.069 GB, free: 9.164 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.228e-05/0.3904, allocations: 7.953 kB / 1.069 GB, free: 9.156 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.043e-05/0.3905, allocations: 8 kB / 1.069 GB, free: 9.148 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002168/0.3907, allocations: 55.84 kB / 1.07 GB, free: 9.094 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.507e-05/0.3907, allocations: 7.938 kB / 1.07 GB, free: 9.086 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002905/0.391, allocations: 76.02 kB / 1.07 GB, free: 9.012 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.321e-05/0.3911, allocations: 27.94 kB / 1.07 GB, free: 8.984 MB / 0.8262 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 42 ($PRE.holTim.truHol.onDelay.u,$PRE.holTim.truHol.toOutputTrue.enableFire,$PRE.holTim.truHol.toInitial.enableFire,$whenCondition4,$PRE.holTim.truHol.onDelay.t_next,$whenCondition2,$whenCondition3,$whenCondition5,$whenCondition6,$whenCondition1,$PRE.hol.triSam.y,hol.triSam.y,$PRE.booPul.y,booPul.y,$PRE.holTim.triSam.y,holTim.triSam.y,holTim.truHol.stateGraphRoot.activeSteps,holTim.truHol.onDelay.u,holTim.truHol.onDelay.y,holTim.truHol.initialStep.active,$PRE.holTim.truHol.initialStep.localActive,holTim.truHol.initialStep.localActive,$PRE.holTim.truHol.initialStep.newActive,holTim.truHol.initialStep.newActive,$PRE.holTim.truHol.initialStep.oldActive,holTim.truHol.initialStep.oldActive,$PRE.holTim.truHol.outputTrue.localActive,holTim.truHol.outputTrue.localActive,$PRE.holTim.truHol.outputTrue.newActive,holTim.truHol.outputTrue.newActive,$PRE.holTim.truHol.outputTrue.oldActive,holTim.truHol.outputTrue.oldActive,holTim.truHol.outputTrue.active,holTim.truHol.toOutputTrue.enableFire,holTim.truHol.toInitial.enableFire,holTim.truHol.onDelay.t_next,$PRE.holTim.truHol.toOutputTrue.t_start,holTim.truHol.toOutputTrue.t_start,$PRE.holTim.truHol.toInitial.t_start,holTim.truHol.toInitial.t_start,holTim.truHol.stateGraphRoot.resume,holTim.truHol.stateGraphRoot.suspend) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (54): * Single equations (assignments): 53 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002521/0.3913, allocations: 199 kB / 1.07 GB, free: 8.781 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.977e-05/0.3914, allocations: 31.7 kB / 1.07 GB, free: 8.75 MB / 0.8262 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006094/0.392, allocations: 324.1 kB / 1.07 GB, free: 8.43 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.456e-06/0.392, allocations: 7.953 kB / 1.07 GB, free: 8.422 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.804e-06/0.392, allocations: 3.984 kB / 1.07 GB, free: 8.418 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.031e-06/0.392, allocations: 0 / 1.07 GB, free: 8.418 MB / 0.8262 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001181/0.3932, allocations: 0.865 MB / 1.071 GB, free: 7.488 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.765e-06/0.3932, allocations: 0 / 1.071 GB, free: 7.488 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001024/0.3934, allocations: 27.92 kB / 1.071 GB, free: 7.461 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.577e-06/0.3934, allocations: 0 / 1.071 GB, free: 7.461 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.599e-05/0.3934, allocations: 11.98 kB / 1.071 GB, free: 7.449 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.308e-06/0.3934, allocations: 4 kB / 1.071 GB, free: 7.445 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.704e-06/0.3934, allocations: 0 / 1.071 GB, free: 7.445 MB / 0.8262 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005732/0.394, allocations: 426.8 kB / 1.071 GB, free: 7.008 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 7.658e-05/0.3941, allocations: 104.7 kB / 1.072 GB, free: 6.887 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.687e-05/0.3941, allocations: 16 kB / 1.072 GB, free: 6.871 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001142/0.3943, allocations: 15.98 kB / 1.072 GB, free: 6.855 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.005e-05/0.3943, allocations: 31.94 kB / 1.072 GB, free: 6.824 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.502e-05/0.3944, allocations: 12 kB / 1.072 GB, free: 6.812 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.0001187/0.3945, allocations: 141.5 kB / 1.072 GB, free: 6.676 MB / 0.8262 GB Notification: Performance of sort global known variables: time 3.41e-07/0.3945, allocations: 0 / 1.072 GB, free: 6.676 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.0004157/0.3949, allocations: 91.67 kB / 1.072 GB, free: 6.586 MB / 0.8262 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 27 (holTim.truHol.toInitial.t_start,holTim.truHol.toOutputTrue.t_start,holTim.truHol.outputTrue.localActive,holTim.truHol.onDelay.u,holTim.truHol.outputTrue.active,holTim.truHol.initialStep.active,$cse1,$cse2,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition2,$whenCondition3,$whenCondition1,hol.triSam.y,booPul.y,holTim.triSam.y,holTim.truHol.stateGraphRoot.activeSteps,holTim.truHol.onDelay.y,holTim.truHol.onDelay.t_next,holTim.truHol.initialStep.localActive,holTim.truHol.initialStep.newActive,holTim.truHol.initialStep.oldActive,holTim.truHol.outputTrue.newActive,holTim.truHol.outputTrue.oldActive,holTim.truHol.toOutputTrue.enableFire,holTim.truHol.toInitial.enableFire) * Number of discrete states: 5 (holTim.truHol.onDelay.t_next,holTim.truHol.initialStep.newActive,holTim.truHol.outputTrue.newActive,holTim.truHol.toOutputTrue.t_start,holTim.truHol.toInitial.t_start) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (33): * Single equations (assignments): 24 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 9 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0002147/0.3952, allocations: 136.1 kB / 1.072 GB, free: 6.445 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.0006487/0.3958, allocations: 391 kB / 1.072 GB, free: 6.051 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 2.144e-06/0.3958, allocations: 0 / 1.072 GB, free: 6.051 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.0002401/0.3961, allocations: 140.8 kB / 1.073 GB, free: 5.914 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003728/0.3965, allocations: 50.28 kB / 1.073 GB, free: 5.867 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001043/0.3975, allocations: 0.6551 MB / 1.073 GB, free: 5.176 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004029/0.3979, allocations: 0.784 MB / 1.074 GB, free: 4.367 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.0001237/0.3981, allocations: 34.97 kB / 1.074 GB, free: 4.336 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.633e-05/0.3981, allocations: 27.42 kB / 1.074 GB, free: 4.309 MB / 0.8262 GB Notification: Performance of SimCode: time 5.91e-07/0.3981, allocations: 0 / 1.074 GB, free: 4.309 MB / 0.8262 GB Notification: Performance of Templates: time 0.007434/0.4056, allocations: 3.094 MB / 1.077 GB, free: 1.238 MB / 0.8262 GB make -j1 -f Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.makefile (rm -f Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.pipe ; mkfifo Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.pipe ; head -c 1048576 < Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.pipe >> ../files/Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.sim & ./Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_latest_Buildings.Templates.Plants.Controls.Utilities.Validation.HoldReal.pipe 2>&1)