Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_Movers_BaseClasses_Validation_EulerComparison",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_Movers_BaseClasses_Validation_EulerComparison",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 0.001156/0.001156, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001178/0.001178, allocations: 195.2 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.396/1.396, allocations: 222.9 MB / 240.2 MB, free: 4.426 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002213/0.002213, allocations: 283 kB / 290.7 MB, free: 2.023 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9327/0.9327, allocations: 169.3 MB / 0.4982 GB, free: 13.96 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001725/0.001725, allocations: 101.5 kB / 0.5953 GB, free: 27.68 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1636/0.1654, allocations: 86.98 MB / 0.6803 GB, free: 0.6094 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison): time 0.005302/0.1707, allocations: 3.741 MB / 0.6839 GB, free: 12.86 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.007684/0.1784, allocations: 4.886 MB / 0.6887 GB, free: 7.965 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006708/0.1791, allocations: 15.94 kB / 0.6887 GB, free: 7.949 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.009796/0.189, allocations: 5.667 MB / 0.6943 GB, free: 2.273 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001924/0.1909, allocations: 0.7731 MB / 0.695 GB, free: 1.5 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001981/0.1929, allocations: 0.8306 MB / 0.6958 GB, free: 0.668 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.01528/0.2082, allocations: 10.05 MB / 0.7056 GB, free: 6.648 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003226/0.2085, allocations: 93.77 kB / 0.7057 GB, free: 6.551 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001023/0.2095, allocations: 0.549 MB / 0.7063 GB, free: 6 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009226/0.2105, allocations: 0.5837 MB / 0.7068 GB, free: 5.414 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0002294/0.2107, allocations: 68 kB / 0.7069 GB, free: 5.348 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002347/0.2131, allocations: 1.4 MB / 0.7083 GB, free: 3.945 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0007373/0.2138, allocations: 0.7986 MB / 0.7091 GB, free: 3.145 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.001136/0.215, allocations: 0.8625 MB / 0.7099 GB, free: 2.277 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.003563/0.2185, allocations: 3.049 MB / 0.7129 GB, free: 15.22 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 7.003e-06/0.2186, allocations: 4 kB / 0.7129 GB, free: 15.21 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.452e-06/0.2186, allocations: 0 / 0.7129 GB, free: 15.21 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 5.442e-05/0.2186, allocations: 0 / 0.7129 GB, free: 15.21 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: 44 * Number of variables: 44 Notification: Performance of Generate backend data structure: time 0.004859/0.2235, allocations: 2.286 MB / 0.7151 GB, free: 12.87 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 5.016e-05/0.2236, allocations: 12.03 kB / 0.7151 GB, free: 12.86 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.223e-05/0.2236, allocations: 50.55 kB / 0.7152 GB, free: 12.8 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002587/0.2262, allocations: 497 kB / 0.7156 GB, free: 12.31 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008756/0.235, allocations: 5.489 MB / 0.721 GB, free: 6.746 MB / 0.5137 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.332e-05/0.2351, allocations: 28.31 kB / 0.721 GB, free: 6.719 MB / 0.5137 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001228/0.2352, allocations: 32 kB / 0.7211 GB, free: 6.688 MB / 0.5137 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001264/0.2365, allocations: 0.6455 MB / 0.7217 GB, free: 6.035 MB / 0.5137 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.158e-05/0.2365, allocations: 4 kB / 0.7217 GB, free: 6.031 MB / 0.5137 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.644e-05/0.2365, allocations: 8 kB / 0.7217 GB, free: 6.023 MB / 0.5137 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.854e-06/0.2366, allocations: 4 kB / 0.7217 GB, free: 6.02 MB / 0.5137 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001504/0.2381, allocations: 0.5308 MB / 0.7222 GB, free: 5.488 MB / 0.5137 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004168/0.2423, allocations: 2.327 MB / 0.7245 GB, free: 3.098 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001633/0.2439, allocations: 0.7043 MB / 0.7252 GB, free: 2.387 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007228/0.2446, allocations: 288.6 kB / 0.7255 GB, free: 2.102 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 4.568e-05/0.2447, allocations: 4 kB / 0.7255 GB, free: 2.098 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.399e-05/0.2447, allocations: 38.56 kB / 0.7255 GB, free: 2.051 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=21): time 1.914e-06/0.2447, allocations: 4 kB / 0.7255 GB, free: 2.047 MB / 0.5137 GB Notification: Performance of matching and sorting (n=21): time 0.002762/0.2475, allocations: 1.022 MB / 0.7265 GB, free: 1.02 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.65e-05/0.2475, allocations: 59.34 kB / 0.7266 GB, free: 0.9492 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004111/0.2517, allocations: 2.955 MB / 0.7294 GB, free: 13.96 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 7.929e-05/0.2518, allocations: 33.7 kB / 0.7295 GB, free: 13.92 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006183/0.2524, allocations: 0.6681 MB / 0.7301 GB, free: 13.25 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 9.636e-05/0.2525, allocations: 86.97 kB / 0.7302 GB, free: 13.16 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005502/0.253, allocations: 390.5 kB / 0.7306 GB, free: 12.78 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 9.749e-05/0.2531, allocations: 305.1 kB / 0.7309 GB, free: 12.48 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001718/0.2549, allocations: 1.186 MB / 0.732 GB, free: 11.29 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001983/0.2569, allocations: 1.535 MB / 0.7335 GB, free: 9.645 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003338/0.2602, allocations: 2.47 MB / 0.7359 GB, free: 7.078 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.671e-06/0.2602, allocations: 4 kB / 0.7359 GB, free: 7.074 MB / 0.5294 GB Notification: Performance of matching and sorting (n=220) (initialization): time 0.004587/0.2648, allocations: 2.945 MB / 0.7388 GB, free: 4.121 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 2.453e-05/0.2649, allocations: 8 kB / 0.7388 GB, free: 4.113 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.846e-05/0.2649, allocations: 8 kB / 0.7388 GB, free: 4.105 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.16e-05/0.2649, allocations: 12 kB / 0.7389 GB, free: 4.094 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001072/0.266, allocations: 283.6 kB / 0.7391 GB, free: 3.816 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.715e-05/0.266, allocations: 19.92 kB / 0.7391 GB, free: 3.797 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001625/0.2677, allocations: 214.3 kB / 0.7393 GB, free: 3.586 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001571/0.2678, allocations: 91.97 kB / 0.7394 GB, free: 3.496 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002293/0.2701, allocations: 1.476 MB / 0.7409 GB, free: 2.016 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0018/0.272, allocations: 1.395 MB / 0.7422 GB, free: 0.5117 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003366/0.2753, allocations: 2.161 MB / 0.7443 GB, free: 14.25 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.915e-05/0.2754, allocations: 15.88 kB / 0.7444 GB, free: 14.24 MB / 0.545 GB Notification: Performance of matching and sorting (n=220) (initialization_lambda0): time 0.004414/0.2798, allocations: 2.621 MB / 0.7469 GB, free: 11.61 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.57e-05/0.2798, allocations: 8 kB / 0.7469 GB, free: 11.6 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.273e-05/0.2798, allocations: 8.125 kB / 0.7469 GB, free: 11.59 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.457e-05/0.2799, allocations: 12 kB / 0.7469 GB, free: 11.58 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001039/0.2809, allocations: 283.6 kB / 0.7472 GB, free: 11.3 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.948e-05/0.2809, allocations: 15.94 kB / 0.7472 GB, free: 11.29 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001641/0.2826, allocations: 187 kB / 0.7474 GB, free: 11.1 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001231/0.2827, allocations: 75.98 kB / 0.7475 GB, free: 11.03 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 31 * 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 (140): * Single equations (assignments): 134 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002869/0.283, allocations: 232.5 kB / 0.7477 GB, free: 10.79 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004103/0.2834, allocations: 173.7 kB / 0.7479 GB, free: 10.62 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002209/0.2856, allocations: 0.802 MB / 0.7487 GB, free: 9.812 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.206e-06/0.2857, allocations: 4 kB / 0.7487 GB, free: 9.809 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.831e-06/0.2857, allocations: 0 / 0.7487 GB, free: 9.809 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.274e-06/0.2857, allocations: 3.984 kB / 0.7487 GB, free: 9.805 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001645/0.2873, allocations: 1.091 MB / 0.7497 GB, free: 8.66 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.587e-06/0.2874, allocations: 0 / 0.7497 GB, free: 8.66 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005239/0.2879, allocations: 87.92 kB / 0.7498 GB, free: 8.574 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.729e-06/0.2879, allocations: 4 kB / 0.7498 GB, free: 8.57 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.065e-05/0.2879, allocations: 7.984 kB / 0.7498 GB, free: 8.562 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.396e-06/0.2879, allocations: 4 kB / 0.7498 GB, free: 8.559 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.573e-06/0.288, allocations: 0 / 0.7498 GB, free: 8.559 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001915/0.2899, allocations: 0.8646 MB / 0.7507 GB, free: 7.676 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006744/0.2906, allocations: 370.5 kB / 0.751 GB, free: 7.293 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003426/0.2909, allocations: 7.984 kB / 0.751 GB, free: 7.285 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001025/0.2919, allocations: 87.91 kB / 0.7511 GB, free: 7.199 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.826e-05/0.292, allocations: 15.97 kB / 0.7511 GB, free: 7.184 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.593e-05/0.2921, allocations: 23.98 kB / 0.7512 GB, free: 7.16 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.00297/0.295, allocations: 2.024 MB / 0.7531 GB, free: 5.121 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.703e-06/0.2951, allocations: 0 / 0.7531 GB, free: 5.121 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.002634/0.2977, allocations: 0.8122 MB / 0.7539 GB, free: 4.309 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (23): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.003523/0.3012, allocations: 1.785 MB / 0.7557 GB, free: 2.492 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.004915/0.3062, allocations: 3.033 MB / 0.7586 GB, free: 15.46 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 3.767e-06/0.3062, allocations: 1.75 kB / 0.7586 GB, free: 15.46 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.0007291/0.3069, allocations: 287.8 kB / 0.7589 GB, free: 15.18 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003163/0.3101, allocations: 0.8626 MB / 0.7597 GB, free: 14.34 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3713/0.6814, allocations: 21.35 MB / 0.7806 GB, free: 88.41 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008124/0.6822, allocations: 1.411 MB / 0.782 GB, free: 87.59 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.001879/0.6841, allocations: 0.5192 MB / 0.7825 GB, free: 87.57 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007793/0.6849, allocations: 0.6578 MB / 0.7831 GB, free: 87.07 MB / 0.5606 GB Notification: Performance of SimCode: time 9.52e-07/0.6849, allocations: 0 / 0.7831 GB, free: 87.07 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09037/0.7753, allocations: 58.15 MB / 0.8399 GB, free: 47.81 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.726/9.502, allocations: 15.09 kB / 0.8399 GB, free: 47.8 MB / 0.5606 GB (rm -f BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Fluid_Movers_BaseClasses_Validation_EulerComparison.fmu > BuildingSystems_BuildingSystems.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe 2>&1)