Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.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.Examples.Performance.PressureDrop.SeriesDpOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised") translateModel(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001211/0.001212, allocations: 103.5 kB / 15.98 MB, free: 6.348 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001245/0.001245, allocations: 195.1 kB / 16.91 MB, free: 6.191 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.33/1.33, allocations: 222.9 MB / 240.6 MB, free: 15.41 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7712/0.7712, allocations: 122.9 MB / 413.6 MB, free: 15.98 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001293/0.001294, allocations: 67.88 kB / 0.4906 GB, free: 7.797 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3123/0.3136, allocations: 77.91 MB / 0.5667 GB, free: 32.96 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised): time 0.1673/0.4809, allocations: 159.4 MB / 0.7223 GB, free: 11.29 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.005163/0.4861, allocations: 3.595 MB / 0.7258 GB, free: 7.676 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004324/0.4866, allocations: 15.81 kB / 0.7259 GB, free: 7.66 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0006303/0.4872, allocations: 147.2 kB / 0.726 GB, free: 7.516 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.001599/0.4889, allocations: 0.5019 MB / 0.7265 GB, free: 7.012 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.001266/0.4902, allocations: 382 kB / 0.7269 GB, free: 6.645 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.003025/0.4932, allocations: 2.563 MB / 0.7294 GB, free: 4.074 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00152/0.4947, allocations: 0.9098 MB / 0.7302 GB, free: 3.152 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002003/0.4968, allocations: 1.063 MB / 0.7313 GB, free: 2.086 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001346/0.4981, allocations: 0.7507 MB / 0.732 GB, free: 1.332 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0002621/0.4984, allocations: 56 kB / 0.7321 GB, free: 1.277 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001957/0.5004, allocations: 0.7561 MB / 0.7328 GB, free: 0.5195 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0005445/0.5009, allocations: 310.9 kB / 0.7331 GB, free: 220 kB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.001315/0.5022, allocations: 0.5441 MB / 0.7336 GB, free: 15.66 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.002926/0.5052, allocations: 1.413 MB / 0.735 GB, free: 14.25 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 6.182e-06/0.5052, allocations: 4 kB / 0.735 GB, free: 14.25 MB / 0.5762 GB Notification: Performance of FrontEnd: time 2.074e-06/0.5052, allocations: 0 / 0.735 GB, free: 14.25 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 4.163e-05/0.5053, allocations: 0 / 0.735 GB, free: 14.25 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 125 * Number of variables: 125 Notification: Performance of Generate backend data structure: time 0.002944/0.5082, allocations: 1.455 MB / 0.7364 GB, free: 12.73 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 5.374e-05/0.5083, allocations: 8.625 kB / 0.7365 GB, free: 12.72 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009227/0.5092, allocations: 190.4 kB / 0.7366 GB, free: 12.54 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001339/0.5106, allocations: 0.7984 MB / 0.7374 GB, free: 11.68 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.363e-05/0.5106, allocations: 45 kB / 0.7375 GB, free: 11.64 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001044/0.5107, allocations: 64 kB / 0.7375 GB, free: 11.57 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001236/0.512, allocations: 0.7926 MB / 0.7383 GB, free: 10.7 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.777e-05/0.512, allocations: 0 / 0.7383 GB, free: 10.7 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.329e-05/0.5121, allocations: 24 kB / 0.7383 GB, free: 10.68 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.496e-05/0.5121, allocations: 12 kB / 0.7383 GB, free: 10.67 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000919/0.513, allocations: 0.5422 MB / 0.7389 GB, free: 10.12 MB / 0.5762 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 0.004441/0.5175, allocations: 4.583 MB / 0.7433 GB, free: 5.156 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007652/0.5182, allocations: 412.9 kB / 0.7437 GB, free: 4.746 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004002/0.5187, allocations: 249.3 kB / 0.744 GB, free: 4.5 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003272/0.519, allocations: 194.2 kB / 0.7441 GB, free: 4.273 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005275/0.5195, allocations: 304.9 kB / 0.7444 GB, free: 3.957 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=31): time 1.933e-06/0.5195, allocations: 0 / 0.7444 GB, free: 3.957 MB / 0.5762 GB Notification: Performance of matching and sorting (n=31): time 0.004052/0.5236, allocations: 1.308 MB / 0.7457 GB, free: 2.621 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.003e-05/0.5237, allocations: 85.05 kB / 0.7458 GB, free: 2.52 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001483/0.5252, allocations: 1.126 MB / 0.7469 GB, free: 1.375 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 7.816e-05/0.5253, allocations: 33.7 kB / 0.7469 GB, free: 1.336 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004319/0.5257, allocations: 492.1 kB / 0.7474 GB, free: 0.8516 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001009/0.5258, allocations: 114.5 kB / 0.7475 GB, free: 0.7383 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001945/0.526, allocations: 106.2 kB / 0.7476 GB, free: 0.6289 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001312/0.5262, allocations: 326 kB / 0.7479 GB, free: 312 kB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004134/0.5266, allocations: 222.4 kB / 0.7481 GB, free: 88 kB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.2716/0.7982, allocations: 0.5098 MB / 0.7486 GB, free: 171.7 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009835/0.7992, allocations: 0.6278 MB / 0.7492 GB, free: 171.5 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.272e-06/0.7992, allocations: 1.875 kB / 0.7492 GB, free: 171.5 MB / 0.5762 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.002566/0.8018, allocations: 1.035 MB / 0.7503 GB, free: 171.3 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.67e-05/0.8019, allocations: 35.41 kB / 0.7503 GB, free: 171.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.288e-05/0.8019, allocations: 6 kB / 0.7503 GB, free: 171.3 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001532/0.8034, allocations: 366.2 kB / 0.7506 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002333/0.8037, allocations: 69.12 kB / 0.7507 GB, free: 171.2 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009663/0.8046, allocations: 1.004 MB / 0.7517 GB, free: 170.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007541/0.8054, allocations: 96.97 kB / 0.7518 GB, free: 170.5 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.057e-05/0.8055, allocations: 26.45 kB / 0.7518 GB, free: 170.5 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000787/0.8063, allocations: 0.4965 MB / 0.7523 GB, free: 170.3 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005035/0.8068, allocations: 494.1 kB / 0.7528 GB, free: 169.9 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007456/0.8075, allocations: 0.5524 MB / 0.7533 GB, free: 169.6 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.398e-06/0.8076, allocations: 2.094 kB / 0.7533 GB, free: 169.6 MB / 0.5762 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001637/0.8092, allocations: 0.8394 MB / 0.7541 GB, free: 169.3 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.377e-05/0.8092, allocations: 34.56 kB / 0.7542 GB, free: 169.2 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.206e-05/0.8093, allocations: 6.391 kB / 0.7542 GB, free: 169.2 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006013/0.8099, allocations: 211.1 kB / 0.7544 GB, free: 169.2 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002623/0.8101, allocations: 69.75 kB / 0.7544 GB, free: 169.2 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003619/0.8138, allocations: 3.338 MB / 0.7577 GB, free: 166.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007419/0.8145, allocations: 86.89 kB / 0.7578 GB, free: 166.9 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.032e-05/0.8146, allocations: 23.5 kB / 0.7578 GB, free: 166.9 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (34): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 1 * 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 {(1,19)} Notification: Performance of prepare postOptimizeDAE: time 0.0001722/0.8148, allocations: 221.8 kB / 0.758 GB, free: 166.7 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001127/0.8149, allocations: 100.6 kB / 0.7581 GB, free: 166.6 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001306/0.8162, allocations: 0.7079 MB / 0.7588 GB, free: 166.4 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.252e-06/0.8162, allocations: 9.5 kB / 0.7588 GB, free: 166.4 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.615e-06/0.8162, allocations: 1.438 kB / 0.7588 GB, free: 166.4 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.532e-06/0.8162, allocations: 1.688 kB / 0.7588 GB, free: 166.4 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002268/0.8185, allocations: 1.595 MB / 0.7604 GB, free: 165.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.979e-06/0.8185, allocations: 2.156 kB / 0.7604 GB, free: 165.6 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001125/0.8186, allocations: 25.06 kB / 0.7604 GB, free: 165.6 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004529/0.8191, allocations: 226.5 kB / 0.7606 GB, free: 165.5 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.507e-05/0.8191, allocations: 9.984 kB / 0.7606 GB, free: 165.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007648/0.8199, allocations: 0.9816 MB / 0.7616 GB, free: 164.9 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.086e-06/0.8199, allocations: 5.844 kB / 0.7616 GB, free: 164.9 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001135/0.8211, allocations: 0.834 MB / 0.7624 GB, free: 164.4 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002535/0.8213, allocations: 215.5 kB / 0.7626 GB, free: 164.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001096/0.8214, allocations: 9.359 kB / 0.7626 GB, free: 164.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004915/0.8219, allocations: 46.98 kB / 0.7627 GB, free: 164.3 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.904e-05/0.822, allocations: 33.33 kB / 0.7627 GB, free: 164.2 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.671e-05/0.8221, allocations: 10.86 kB / 0.7627 GB, free: 164.2 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0009642/0.823, allocations: 0.7969 MB / 0.7635 GB, free: 164 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.3e-07/0.8231, allocations: 0.9062 kB / 0.7635 GB, free: 164 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.001297/0.8244, allocations: 435.7 kB / 0.7639 GB, free: 163.9 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (12): * Single equations (assignments): 9 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,19)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003938/0.8248, allocations: 187.8 kB / 0.7641 GB, free: 163.8 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.001665/0.8264, allocations: 1.078 MB / 0.7651 GB, free: 163.3 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 3.586e-06/0.8264, allocations: 3.438 kB / 0.7651 GB, free: 163.3 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0004455/0.8269, allocations: 240.1 kB / 0.7654 GB, free: 163.3 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001716/0.8286, allocations: 447.7 kB / 0.7658 GB, free: 163.2 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002371/0.831, allocations: 2.056 MB / 0.7678 GB, free: 162 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005223/0.8315, allocations: 1.183 MB / 0.7689 GB, free: 161.1 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.0007919/0.8323, allocations: 307.6 kB / 0.7692 GB, free: 160.9 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001143/0.8325, allocations: 61.3 kB / 0.7693 GB, free: 160.9 MB / 0.5762 GB Notification: Performance of SimCode: time 3.51e-07/0.8325, allocations: 0 / 0.7693 GB, free: 160.9 MB / 0.5762 GB Notification: Performance of Templates: time 0.02619/0.8587, allocations: 19.52 MB / 0.7884 GB, free: 146.3 MB / 0.5762 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.sim & ./IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Examples.Performance.PressureDrop.SeriesDpOptimised.pipe 2>&1)