Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.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/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness,fileNamePrefix="IDEAS_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness,fileNamePrefix="IDEAS_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness",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 0.005671/0.005671, allocations: 99.77 kB / 15.73 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001307/0.001306, allocations: 193.5 kB / 16.67 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.337/1.337, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.8282/0.8282, allocations: 132.2 MB / 422.7 MB, free: 6.574 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002645/0.002645, allocations: 67.11 kB / 0.5808 GB, free: 24.05 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1539/0.1565, allocations: 80.21 MB / 0.6592 GB, free: 10.77 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness): time 0.557/0.7135, allocations: 214.2 MB / 0.8683 GB, free: 15.96 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01177/0.7253, allocations: 7.023 MB / 0.8752 GB, free: 8.918 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001707/0.7271, allocations: 43.75 kB / 0.8752 GB, free: 8.875 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.002179/0.7293, allocations: 0.7881 MB / 0.876 GB, free: 8.082 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.006448/0.7358, allocations: 2.505 MB / 0.8785 GB, free: 5.566 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.003042/0.7389, allocations: 1.182 MB / 0.8796 GB, free: 4.402 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.004286/0.7432, allocations: 2.813 MB / 0.8824 GB, free: 1.582 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001802/0.745, allocations: 1.082 MB / 0.8834 GB, free: 500 kB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004484/0.7495, allocations: 1.989 MB / 0.8854 GB, free: 14.49 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002184/0.7517, allocations: 0.9366 MB / 0.8863 GB, free: 13.56 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.000249/0.752, allocations: 120 kB / 0.8864 GB, free: 13.45 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004771/0.7567, allocations: 2.448 MB / 0.8888 GB, free: 10.99 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.0005516/0.7573, allocations: 430.7 kB / 0.8892 GB, free: 10.57 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.0009525/0.7583, allocations: 0.6843 MB / 0.8899 GB, free: 9.883 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.004439/0.7627, allocations: 2.515 MB / 0.8923 GB, free: 7.359 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 4.478e-06/0.7628, allocations: 0 / 0.8923 GB, free: 7.359 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.403e-06/0.7628, allocations: 0 / 0.8923 GB, free: 7.359 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 1.761e-05/0.7628, allocations: 0 / 0.8923 GB, free: 7.359 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 209 * Number of variables: 209 Notification: Performance of Generate backend data structure: time 0.004519/0.7673, allocations: 1.894 MB / 0.8942 GB, free: 5.406 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.541e-05/0.7674, allocations: 16.03 kB / 0.8942 GB, free: 5.391 MB / 0.6544 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001736/0.7675, allocations: 135.1 kB / 0.8943 GB, free: 5.25 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003136/0.7707, allocations: 0.5493 MB / 0.8948 GB, free: 4.699 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00195/0.7727, allocations: 1 MB / 0.8958 GB, free: 3.656 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.819e-05/0.7727, allocations: 65.98 kB / 0.8959 GB, free: 3.59 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001535/0.7729, allocations: 84 kB / 0.896 GB, free: 3.508 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002881/0.7758, allocations: 1.225 MB / 0.8972 GB, free: 2.273 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.425e-05/0.7758, allocations: 8 kB / 0.8972 GB, free: 2.266 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001138/0.776, allocations: 35.98 kB / 0.8972 GB, free: 2.23 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.317e-05/0.776, allocations: 45.98 kB / 0.8972 GB, free: 2.188 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003829/0.7799, allocations: 1.538 MB / 0.8987 GB, free: 0.6484 MB / 0.6544 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 0.006875/0.7868, allocations: 4.05 MB / 0.9027 GB, free: 12.32 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002526/0.7893, allocations: 0.9718 MB / 0.9037 GB, free: 11.34 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001559/0.7909, allocations: 0.6552 MB / 0.9043 GB, free: 10.69 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001148/0.7921, allocations: 0.6087 MB / 0.9049 GB, free: 9.969 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.195e-05/0.7921, allocations: 43.22 kB / 0.9049 GB, free: 9.918 MB / 0.67 GB Notification: Performance of pre-optimization done (n=76): time 2.925e-06/0.7921, allocations: 0 / 0.9049 GB, free: 9.918 MB / 0.67 GB Notification: Performance of matching and sorting (n=76): time 0.005003/0.7971, allocations: 1.789 MB / 0.9067 GB, free: 8.121 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.37e-05/0.7972, allocations: 60.06 kB / 0.9067 GB, free: 8.051 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001062/0.7982, allocations: 0.8154 MB / 0.9075 GB, free: 7.211 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 9.068e-05/0.7983, allocations: 41.7 kB / 0.9076 GB, free: 7.164 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003732/0.7987, allocations: 453.1 kB / 0.908 GB, free: 6.715 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002397/0.799, allocations: 269.6 kB / 0.9083 GB, free: 6.449 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003094/0.7993, allocations: 162.6 kB / 0.9084 GB, free: 6.281 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.0001455/0.7994, allocations: 337.9 kB / 0.9087 GB, free: 5.945 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001452/0.8009, allocations: 0.5278 MB / 0.9092 GB, free: 5.414 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001585/0.8025, allocations: 0.652 MB / 0.9099 GB, free: 4.727 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002891/0.8054, allocations: 1.139 MB / 0.911 GB, free: 3.562 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.617e-06/0.8054, allocations: 0 / 0.911 GB, free: 3.562 MB / 0.67 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.003443/0.8089, allocations: 1.345 MB / 0.9123 GB, free: 2.203 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 5.096e-05/0.8089, allocations: 33.7 kB / 0.9123 GB, free: 2.164 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.842e-06/0.8089, allocations: 0 / 0.9123 GB, free: 2.164 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.079e-05/0.809, allocations: 7.984 kB / 0.9124 GB, free: 2.156 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001507/0.8105, allocations: 269.2 kB / 0.9126 GB, free: 1.895 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007953/0.8113, allocations: 1.18 MB / 0.9138 GB, free: 0.668 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001107/0.8124, allocations: 159.5 kB / 0.9139 GB, free: 0.5117 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.679e-05/0.8125, allocations: 35.97 kB / 0.9139 GB, free: 488 kB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00182/0.8143, allocations: 0.7555 MB / 0.9147 GB, free: 15.72 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001557/0.8159, allocations: 0.6481 MB / 0.9153 GB, free: 15.04 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002864/0.8188, allocations: 1.127 MB / 0.9164 GB, free: 13.89 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.775e-06/0.8188, allocations: 0 / 0.9164 GB, free: 13.89 MB / 0.6856 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.003437/0.8223, allocations: 1.349 MB / 0.9177 GB, free: 12.53 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 4.074e-05/0.8223, allocations: 33.7 kB / 0.9178 GB, free: 12.49 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.418e-06/0.8223, allocations: 0 / 0.9178 GB, free: 12.49 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.484e-06/0.8223, allocations: 4 kB / 0.9178 GB, free: 12.48 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001197/0.8235, allocations: 231.8 kB / 0.918 GB, free: 12.26 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.817e-06/0.8236, allocations: 7.938 kB / 0.918 GB, free: 12.25 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001034/0.8246, allocations: 142.3 kB / 0.9181 GB, free: 12.11 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.171e-05/0.8247, allocations: 31.97 kB / 0.9182 GB, free: 12.08 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 2 (hex.i2_w,hex.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (86): * Single equations (assignments): 83 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002979/0.825, allocations: 224.1 kB / 0.9184 GB, free: 11.86 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002017/0.8252, allocations: 111.3 kB / 0.9185 GB, free: 11.75 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003563/0.8288, allocations: 1.344 MB / 0.9198 GB, free: 10.39 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.464e-05/0.8288, allocations: 8 kB / 0.9198 GB, free: 10.38 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.982e-06/0.8288, allocations: 0 / 0.9198 GB, free: 10.38 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.487e-06/0.8288, allocations: 3.984 kB / 0.9198 GB, free: 10.38 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005692/0.8345, allocations: 2.843 MB / 0.9226 GB, free: 7.434 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.055e-05/0.8345, allocations: 7.938 kB / 0.9226 GB, free: 7.426 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001207/0.8358, allocations: 220.2 kB / 0.9228 GB, free: 7.211 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.13e-05/0.8358, allocations: 8 kB / 0.9228 GB, free: 7.203 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.818e-05/0.8359, allocations: 31.98 kB / 0.9228 GB, free: 7.172 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006786/0.8365, allocations: 1.188 MB / 0.924 GB, free: 5.938 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.472e-06/0.8366, allocations: 7.938 kB / 0.924 GB, free: 5.93 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003375/0.8399, allocations: 1.46 MB / 0.9254 GB, free: 4.406 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004944/0.8404, allocations: 312.1 kB / 0.9257 GB, free: 4.082 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001368/0.8406, allocations: 23.94 kB / 0.9258 GB, free: 4.059 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001054/0.8417, allocations: 103.9 kB / 0.9259 GB, free: 3.957 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001535/0.8418, allocations: 60.42 kB / 0.9259 GB, free: 3.895 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.314e-05/0.8419, allocations: 35.92 kB / 0.9259 GB, free: 3.859 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.0007812/0.8427, allocations: 0.5778 MB / 0.9265 GB, free: 3.27 MB / 0.6856 GB Notification: Performance of sort global known variables: time 2.71e-07/0.8427, allocations: 0 / 0.9265 GB, free: 3.27 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.001304/0.844, allocations: 0.5343 MB / 0.927 GB, free: 2.734 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * 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 (76): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004112/0.8481, allocations: 2.158 MB / 0.9291 GB, free: 0.5195 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.005512/0.8537, allocations: 2.03 MB / 0.9311 GB, free: 14.47 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 5.751e-06/0.8537, allocations: 0 / 0.9311 GB, free: 14.47 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001751/0.8554, allocations: 0.6675 MB / 0.9318 GB, free: 13.8 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002479/0.8579, allocations: 0.4964 MB / 0.9323 GB, free: 13.32 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01651/0.8745, allocations: 8.712 MB / 0.9408 GB, free: 4.371 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007411/0.8752, allocations: 1.087 MB / 0.9418 GB, free: 3.25 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.001371/0.8766, allocations: 387.5 kB / 0.9422 GB, free: 2.867 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000646/0.8773, allocations: 395.3 kB / 0.9426 GB, free: 2.48 MB / 0.7012 GB Notification: Performance of SimCode: time 9.42e-07/0.8773, allocations: 0 / 0.9426 GB, free: 2.48 MB / 0.7012 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05963/0.9369, allocations: 28.73 MB / 0.9706 GB, free: 6.145 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.25/14.19, allocations: 5.719 kB / 0.9706 GB, free: 6.141 MB / 0.7325 GB (rm -f IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; mkfifo IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe >> ../files/IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.sim & python3 -m fmpy simulate --output-file IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness_res.csv --start-time 0 --stop-time 360 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.144 IDEAS_IDEAS_Fluid_MassExchangers_Examples_ConstantEffectiveness.fmu > IDEAS_IDEAS.Fluid.MassExchangers.Examples.ConstantEffectiveness.pipe 2>&1)