Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear") translateModel(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001664/0.001664, allocations: 112.6 kB / 16.37 MB, free: 6 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001912/0.001912, allocations: 196 kB / 17.31 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 1.348/1.348, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.859/0.859, allocations: 143 MB / 434.2 MB, free: 12.03 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001628/0.001628, allocations: 71.88 kB / 0.5156 GB, free: 14.46 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3532/0.3548, allocations: 82.03 MB / 0.5957 GB, free: 16.12 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear): time 0.05377/0.4086, allocations: 58.72 MB / 0.653 GB, free: 5.316 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.02835/0.437, allocations: 20.02 MB / 0.6726 GB, free: 1.242 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003808/0.4409, allocations: 91.5 kB / 0.6727 GB, free: 1.152 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.0158/0.4567, allocations: 9.844 MB / 0.6823 GB, free: 7.297 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.0078/0.4646, allocations: 2.895 MB / 0.6851 GB, free: 4.391 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.005933/0.4705, allocations: 2.327 MB / 0.6874 GB, free: 2.078 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.02206/0.4926, allocations: 14.28 MB / 0.7013 GB, free: 3.781 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003037/0.4957, allocations: 1.769 MB / 0.7031 GB, free: 1.98 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004667/0.5003, allocations: 2.059 MB / 0.7051 GB, free: 15.92 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002453/0.5028, allocations: 1.559 MB / 0.7066 GB, free: 14.35 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.0003754/0.5032, allocations: 204 kB / 0.7068 GB, free: 14.15 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004353/0.5076, allocations: 2.328 MB / 0.7091 GB, free: 11.82 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.000842/0.5084, allocations: 0.8917 MB / 0.7099 GB, free: 10.92 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.001512/0.5099, allocations: 1.418 MB / 0.7113 GB, free: 9.496 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.006574/0.5165, allocations: 4.88 MB / 0.7161 GB, free: 4.602 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 7.624e-06/0.5166, allocations: 3.984 kB / 0.7161 GB, free: 4.598 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.943e-06/0.5166, allocations: 0 / 0.7161 GB, free: 4.598 MB / 0.545 GB Notification: Performance of Transformations before backend: time 6.72e-05/0.5167, allocations: 0 / 0.7161 GB, free: 4.598 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 270 * Number of variables: 270 Notification: Performance of Generate backend data structure: time 0.005846/0.5225, allocations: 3.277 MB / 0.7193 GB, free: 1.238 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.3e-05/0.5226, allocations: 12.03 kB / 0.7193 GB, free: 1.227 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005423/0.528, allocations: 0.9494 MB / 0.7202 GB, free: 280 kB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007188/0.5352, allocations: 3.362 MB / 0.7235 GB, free: 12.84 MB / 0.5606 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001332/0.5354, allocations: 90.12 kB / 0.7236 GB, free: 12.75 MB / 0.5606 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003566/0.5358, allocations: 128 kB / 0.7237 GB, free: 12.63 MB / 0.5606 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003592/0.5394, allocations: 1.632 MB / 0.7253 GB, free: 10.92 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.174e-05/0.5394, allocations: 0 / 0.7253 GB, free: 10.92 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001225/0.5395, allocations: 48 kB / 0.7254 GB, free: 10.88 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.059e-05/0.5396, allocations: 24 kB / 0.7254 GB, free: 10.85 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003955/0.5435, allocations: 1.429 MB / 0.7268 GB, free: 9.414 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 preOpt removeSimpleEquations (simulation): time 0.01141/0.555, allocations: 7.412 MB / 0.734 GB, free: 1.559 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003985/0.559, allocations: 1.238 MB / 0.7352 GB, free: 324 kB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001653/0.5607, allocations: 0.5983 MB / 0.7358 GB, free: 15.71 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004901/0.5656, allocations: 3.181 MB / 0.7389 GB, free: 12.25 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.995e-05/0.5656, allocations: 47 kB / 0.739 GB, free: 12.19 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=60): time 2.354e-06/0.5656, allocations: 0 / 0.739 GB, free: 12.19 MB / 0.5762 GB Notification: Performance of matching and sorting (n=60): time 0.006311/0.572, allocations: 2.008 MB / 0.7409 GB, free: 10.15 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.604e-05/0.572, allocations: 63.91 kB / 0.741 GB, free: 10.08 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003951/0.576, allocations: 2.716 MB / 0.7436 GB, free: 7.348 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001987/0.5762, allocations: 41.7 kB / 0.7437 GB, free: 7.301 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.000895/0.5771, allocations: 1.084 MB / 0.7447 GB, free: 6.207 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002552/0.5774, allocations: 216.9 kB / 0.7449 GB, free: 5.992 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006449/0.578, allocations: 443.1 kB / 0.7454 GB, free: 5.555 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.000103/0.5781, allocations: 309.1 kB / 0.7457 GB, free: 5.25 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00243/0.5806, allocations: 1.242 MB / 0.7469 GB, free: 4.004 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002782/0.5834, allocations: 1.653 MB / 0.7485 GB, free: 2.199 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.3388/0.9222, allocations: 2.629 MB / 0.7511 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.357e-05/0.9223, allocations: 3.609 kB / 0.7511 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of matching and sorting (n=236) (initialization): time 0.007952/0.9302, allocations: 3.238 MB / 0.7542 GB, free: 144.1 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.802e-05/0.9303, allocations: 8.938 kB / 0.7542 GB, free: 144.1 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.946e-05/0.9303, allocations: 8.25 kB / 0.7542 GB, free: 144.1 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004947/0.9308, allocations: 110 kB / 0.7543 GB, free: 144.1 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001824/0.9326, allocations: 384.7 kB / 0.7547 GB, free: 144 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004775/0.9331, allocations: 0.6226 MB / 0.7553 GB, free: 143.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002318/0.9355, allocations: 259.4 kB / 0.7556 GB, free: 143.4 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002335/0.9357, allocations: 102.5 kB / 0.7557 GB, free: 143.4 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003245/0.939, allocations: 1.577 MB / 0.7572 GB, free: 142.8 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002806/0.9418, allocations: 1.442 MB / 0.7586 GB, free: 142 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00416/0.9459, allocations: 2.213 MB / 0.7608 GB, free: 140.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.135e-05/0.946, allocations: 4.672 kB / 0.7608 GB, free: 140.9 MB / 0.5762 GB Notification: Performance of matching and sorting (n=236) (initialization_lambda0): time 0.005331/0.9513, allocations: 2.818 MB / 0.7635 GB, free: 140 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.699e-05/0.9513, allocations: 7.875 kB / 0.7635 GB, free: 140 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.251e-05/0.9514, allocations: 7.875 kB / 0.7635 GB, free: 140 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005288/0.9519, allocations: 134.7 kB / 0.7637 GB, free: 140 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001332/0.9532, allocations: 356.7 kB / 0.764 GB, free: 140 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003641/0.9569, allocations: 2.965 MB / 0.7669 GB, free: 137.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002184/0.9591, allocations: 203 kB / 0.7671 GB, free: 137.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001617/0.9593, allocations: 85.84 kB / 0.7672 GB, free: 137.6 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (166): * Single equations (assignments): 161 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0004725/0.9597, allocations: 261.1 kB / 0.7674 GB, free: 137.4 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003828/0.9601, allocations: 239.7 kB / 0.7677 GB, free: 137.3 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004373/0.9645, allocations: 1.772 MB / 0.7694 GB, free: 136.7 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.551e-05/0.9645, allocations: 21.55 kB / 0.7694 GB, free: 136.7 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.417e-06/0.9646, allocations: 7.406 kB / 0.7694 GB, free: 136.7 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.714e-06/0.9646, allocations: 3.797 kB / 0.7694 GB, free: 136.7 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005937/0.9705, allocations: 3.444 MB / 0.7728 GB, free: 134.8 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.71e-06/0.9705, allocations: 0 / 0.7728 GB, free: 134.8 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001068/0.9716, allocations: 207.5 kB / 0.773 GB, free: 134.6 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002483/0.9719, allocations: 80.53 kB / 0.7731 GB, free: 134.6 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.978e-05/0.9719, allocations: 31.97 kB / 0.7731 GB, free: 134.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003053/0.9723, allocations: 0.5953 MB / 0.7737 GB, free: 133.9 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.008e-06/0.9723, allocations: 4 kB / 0.7737 GB, free: 133.9 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003674/0.9759, allocations: 1.726 MB / 0.7754 GB, free: 132.2 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008148/0.9768, allocations: 464.4 kB / 0.7758 GB, free: 131.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002605/0.977, allocations: 15.98 kB / 0.7758 GB, free: 131.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001321/0.9784, allocations: 115.5 kB / 0.7759 GB, free: 131.6 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001016/0.9785, allocations: 48.48 kB / 0.776 GB, free: 131.5 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001056/0.9786, allocations: 55.77 kB / 0.776 GB, free: 131.5 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.002275/0.9809, allocations: 1.809 MB / 0.7778 GB, free: 129.7 MB / 0.5762 GB Notification: Performance of sort global known variables: time 2.51e-07/0.9809, allocations: 0 / 0.7778 GB, free: 129.7 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.003034/0.9839, allocations: 1.278 MB / 0.779 GB, free: 128.5 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 simulation (71): * Single equations (assignments): 62 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001448/0.9854, allocations: 0.7902 MB / 0.7798 GB, free: 127.8 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.006445/0.9918, allocations: 3.734 MB / 0.7835 GB, free: 124.1 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 4.809e-06/0.9919, allocations: 3.438 kB / 0.7835 GB, free: 124.1 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001603/0.9935, allocations: 0.6818 MB / 0.7841 GB, free: 123.5 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004157/0.9976, allocations: 1.246 MB / 0.7853 GB, free: 122.3 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00593/1.004, allocations: 4.254 MB / 0.7895 GB, free: 118 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001015/1.005, allocations: 1.755 MB / 0.7912 GB, free: 116.2 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.00238/1.007, allocations: 0.7103 MB / 0.7919 GB, free: 115.5 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005178/1.008, allocations: 207.3 kB / 0.7921 GB, free: 115.3 MB / 0.5762 GB Notification: Performance of SimCode: time 7.81e-07/1.008, allocations: 0 / 0.7921 GB, free: 115.3 MB / 0.5762 GB Notification: Performance of Templates: time 0.06999/1.078, allocations: 55.44 MB / 0.8462 GB, free: 60.51 MB / 0.5762 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe 2>&1)