Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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: "" <> buildModelFMU(IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Validation_SpeedControlled_y_linear",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Validation_SpeedControlled_y_linear",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001065/0.001065, allocations: 111.9 kB / 15.61 MB, free: 128 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001188/0.001188, allocations: 196.2 kB / 16.54 MB, free: 6.668 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.322/1.322, allocations: 222.9 MB / 240.2 MB, free: 4.414 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9394/0.9394, allocations: 135.1 MB / 425.5 MB, free: 11.94 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001285/0.001285, allocations: 64.88 kB / 0.5055 GB, free: 5.211 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1579/0.1592, allocations: 80.91 MB / 0.5845 GB, free: 4.461 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear): time 0.3289/0.4881, allocations: 57.77 MB / 0.6409 GB, free: 19.45 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01879/0.5069, allocations: 17.89 MB / 0.6584 GB, free: 6.695 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002571/0.5095, allocations: 88.03 kB / 0.6584 GB, free: 6.66 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.002417/0.512, allocations: 1.149 MB / 0.6596 GB, free: 5.984 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.005548/0.5176, allocations: 2.664 MB / 0.6622 GB, free: 4.461 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004476/0.5221, allocations: 2.227 MB / 0.6643 GB, free: 3.297 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005919/0.528, allocations: 4.76 MB / 0.669 GB, free: 1.043 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002667/0.5307, allocations: 1.758 MB / 0.6707 GB, free: 208 kB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004358/0.535, allocations: 1.948 MB / 0.6726 GB, free: 15.28 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002413/0.5375, allocations: 1.416 MB / 0.674 GB, free: 14.61 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0003683/0.5378, allocations: 185.2 kB / 0.6742 GB, free: 14.61 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004076/0.5419, allocations: 2.001 MB / 0.6761 GB, free: 13.95 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.0006974/0.5426, allocations: 0.6064 MB / 0.6767 GB, free: 13.63 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.001335/0.544, allocations: 1.071 MB / 0.6778 GB, free: 12.95 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.005641/0.5496, allocations: 3.618 MB / 0.6813 GB, free: 11.57 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 5.36e-06/0.5497, allocations: 1.344 kB / 0.6813 GB, free: 11.57 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.492e-06/0.5497, allocations: 0 / 0.6813 GB, free: 11.57 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 5.351e-05/0.5497, allocations: 3.938 kB / 0.6813 GB, free: 11.57 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 262 * Number of variables: 262 Notification: Performance of Generate backend data structure: time 0.005562/0.5553, allocations: 2.505 MB / 0.6837 GB, free: 9.953 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 4.59e-05/0.5554, allocations: 10.7 kB / 0.6838 GB, free: 9.953 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000247/0.5556, allocations: 159.1 kB / 0.6839 GB, free: 9.844 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003413/0.559, allocations: 0.5665 MB / 0.6845 GB, free: 9.707 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004644/0.5637, allocations: 1.851 MB / 0.6863 GB, free: 8.703 MB / 0.5137 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.028e-05/0.5638, allocations: 86.75 kB / 0.6864 GB, free: 8.664 MB / 0.5137 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001861/0.564, allocations: 112.8 kB / 0.6865 GB, free: 8.629 MB / 0.5137 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002805/0.5668, allocations: 1.272 MB / 0.6877 GB, free: 8.051 MB / 0.5137 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.326e-05/0.5668, allocations: 1.188 kB / 0.6877 GB, free: 8.051 MB / 0.5137 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001152/0.567, allocations: 43 kB / 0.6877 GB, free: 8.02 MB / 0.5137 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.632e-05/0.567, allocations: 24.91 kB / 0.6878 GB, free: 8.02 MB / 0.5137 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002604/0.5696, allocations: 0.97 MB / 0.6887 GB, free: 7.695 MB / 0.5137 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 0.008424/0.578, allocations: 6.048 MB / 0.6946 GB, free: 3.289 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002122/0.5802, allocations: 0.7296 MB / 0.6953 GB, free: 3.008 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008625/0.5811, allocations: 369.5 kB / 0.6957 GB, free: 2.887 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003216/0.5843, allocations: 2.427 MB / 0.6981 GB, free: 0.7188 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.734e-05/0.5843, allocations: 45.42 kB / 0.6981 GB, free: 0.668 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=56): time 4.539e-06/0.5843, allocations: 5.25 kB / 0.6981 GB, free: 0.6641 MB / 0.5137 GB Notification: Performance of matching and sorting (n=56): time 0.003765/0.5881, allocations: 1.241 MB / 0.6993 GB, free: 15.98 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.036e-05/0.5882, allocations: 65.8 kB / 0.6994 GB, free: 15.91 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002192/0.5904, allocations: 1.593 MB / 0.7009 GB, free: 15.02 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 7.887e-05/0.5905, allocations: 46.83 kB / 0.701 GB, free: 14.98 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006885/0.5912, allocations: 0.8306 MB / 0.7018 GB, free: 14.24 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001896/0.5914, allocations: 190.6 kB / 0.702 GB, free: 14.08 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003361/0.5917, allocations: 213.3 kB / 0.7022 GB, free: 13.96 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001296/0.5918, allocations: 338.5 kB / 0.7025 GB, free: 13.63 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001056/0.5929, allocations: 436.2 kB / 0.7029 GB, free: 13.41 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001333/0.5942, allocations: 0.7357 MB / 0.7036 GB, free: 12.81 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002224/0.5965, allocations: 1.101 MB / 0.7047 GB, free: 12.05 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.242e-06/0.5965, allocations: 2.344 kB / 0.7047 GB, free: 12.05 MB / 0.5294 GB Notification: Performance of matching and sorting (n=104) (initialization): time 0.003157/0.5997, allocations: 1.36 MB / 0.706 GB, free: 11.37 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 2.171e-05/0.5997, allocations: 10.44 kB / 0.7061 GB, free: 11.37 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.371e-05/0.5997, allocations: 8.062 kB / 0.7061 GB, free: 11.37 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004252/0.6001, allocations: 102.9 kB / 0.7062 GB, free: 11.33 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009157/0.6011, allocations: 221.5 kB / 0.7064 GB, free: 11.26 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004754/0.6016, allocations: 0.6154 MB / 0.707 GB, free: 10.69 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001234/0.6028, allocations: 131.4 kB / 0.7071 GB, free: 10.6 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001113/0.6029, allocations: 70.11 kB / 0.7072 GB, free: 10.58 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001339/0.6043, allocations: 0.6842 MB / 0.7078 GB, free: 10.18 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001062/0.6053, allocations: 0.6737 MB / 0.7085 GB, free: 9.594 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001804/0.6072, allocations: 0.9728 MB / 0.7094 GB, free: 8.895 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.103e-06/0.6072, allocations: 2.75 kB / 0.7094 GB, free: 8.895 MB / 0.5294 GB Notification: Performance of matching and sorting (n=104) (initialization_lambda0): time 0.002886/0.6101, allocations: 1.244 MB / 0.7107 GB, free: 8.266 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 1.414e-05/0.6101, allocations: 7.844 kB / 0.7107 GB, free: 8.266 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.273e-05/0.6101, allocations: 8.688 kB / 0.7107 GB, free: 8.266 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005292/0.6106, allocations: 122 kB / 0.7108 GB, free: 8.215 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007657/0.6114, allocations: 205.5 kB / 0.711 GB, free: 8.16 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004225/0.6157, allocations: 2.871 MB / 0.7138 GB, free: 5.676 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001133/0.6168, allocations: 108.9 kB / 0.7139 GB, free: 5.605 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001007/0.6169, allocations: 54.17 kB / 0.7139 GB, free: 5.594 MB / 0.5294 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 (98): * Single equations (assignments): 95 * Array equations: 2 * Algorithm blocks: 0 * 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002872/0.6172, allocations: 232 kB / 0.7142 GB, free: 5.375 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002901/0.6175, allocations: 175.4 kB / 0.7143 GB, free: 5.277 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002923/0.6204, allocations: 1.214 MB / 0.7155 GB, free: 4.621 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.846e-05/0.6205, allocations: 12.41 kB / 0.7155 GB, free: 4.617 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.327e-06/0.6205, allocations: 0 / 0.7155 GB, free: 4.617 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.265e-05/0.6205, allocations: 7.922 kB / 0.7155 GB, free: 4.609 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0047/0.6252, allocations: 2.443 MB / 0.7179 GB, free: 2.605 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.631e-06/0.6252, allocations: 0 / 0.7179 GB, free: 2.605 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006927/0.6259, allocations: 131.8 kB / 0.718 GB, free: 2.477 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002417/0.6262, allocations: 72.67 kB / 0.7181 GB, free: 2.402 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.383e-05/0.6263, allocations: 31.91 kB / 0.7181 GB, free: 2.371 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003975/0.6267, allocations: 0.5954 MB / 0.7187 GB, free: 1.75 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.715e-06/0.6267, allocations: 0 / 0.7187 GB, free: 1.75 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002512/0.6292, allocations: 1.18 MB / 0.7199 GB, free: 0.5117 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000608/0.6298, allocations: 346.5 kB / 0.7202 GB, free: 156 kB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002949/0.6301, allocations: 23.94 kB / 0.7202 GB, free: 132 kB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008958/0.631, allocations: 39.95 kB / 0.7203 GB, free: 92 kB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001019/0.6311, allocations: 48.5 kB / 0.7203 GB, free: 44 kB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.426e-05/0.6312, allocations: 43.91 kB / 0.7204 GB, free: 0 / 0.5294 GB Notification: Performance of sorting global known variables: time 0.001643/0.6329, allocations: 1.085 MB / 0.7214 GB, free: 14.89 MB / 0.545 GB Notification: Performance of sort global known variables: time 2.31e-07/0.6329, allocations: 0 / 0.7214 GB, free: 14.89 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.002864/0.6358, allocations: 0.9316 MB / 0.7223 GB, free: 13.96 MB / 0.545 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 (67): * Single equations (assignments): 58 * 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 0.00431/0.6401, allocations: 2.223 MB / 0.7245 GB, free: 11.69 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.004242/0.6443, allocations: 1.696 MB / 0.7262 GB, free: 9.996 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 3.256e-06/0.6443, allocations: 0 / 0.7262 GB, free: 9.996 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.001082/0.6454, allocations: 451.6 kB / 0.7266 GB, free: 9.551 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003706/0.6492, allocations: 0.8346 MB / 0.7274 GB, free: 8.734 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0235/0.6727, allocations: 13.08 MB / 0.7402 GB, free: 10.78 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001197/0.6739, allocations: 1.393 MB / 0.7415 GB, free: 9.355 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.002084/0.676, allocations: 445.8 kB / 0.742 GB, free: 8.914 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009853/0.677, allocations: 0.7101 MB / 0.7427 GB, free: 8.203 MB / 0.5606 GB Notification: Performance of SimCode: time 9.82e-07/0.677, allocations: 3.938 kB / 0.7427 GB, free: 8.199 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08829/0.7653, allocations: 50.59 MB / 0.7921 GB, free: 6.145 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.64/13.4, allocations: 6.406 kB / 0.7921 GB, free: 6.141 MB / 0.6075 GB (rm -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_Movers_Validation_SpeedControlled_y_linear_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_Movers_Validation_SpeedControlled_y_linear.fmu > IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe 2>&1)