Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration.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/Chemical 1.4.1-master/package.mo", uses=false) Using package Chemical with version 1.4.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1-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(Chemical.Examples.Hemoglobin.HemoglobinTitration,fileNamePrefix="Chemical_Chemical_Examples_Hemoglobin_HemoglobinTitration",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Chemical.Examples.Hemoglobin.HemoglobinTitration,fileNamePrefix="Chemical_Chemical_Examples_Hemoglobin_HemoglobinTitration",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 0.005514/0.005514, allocations: 99.83 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 0.001408/0.001408, 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 1.332/1.332, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1-master/package.mo): time 0.08074/0.08074, allocations: 15.3 MB / 305.8 MB, free: 15.42 MB / 254.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001186/0.001186, allocations: 71.83 kB / 424.7 MB, free: 11.93 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09232/0.09352, allocations: 53.6 MB / 478.3 MB, free: 6.277 MB / 350.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1-master/package.mo:4740:7-4740:66:writable] Warning: An inner declaration for outer component system could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1-master/package.mo:4740:7-4740:66:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer "system" component but an inner "system" component is not defined. For simulation drag Modelica.Fluid.System into your model to specify system properties. Notification: Performance of NFInst.instantiate(Chemical.Examples.Hemoglobin.HemoglobinTitration): time 0.4157/0.5093, allocations: 41.78 MB / 0.5079 GB, free: 2.043 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.07696/0.5862, allocations: 72.72 MB / 0.5789 GB, free: 5.02 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003652/0.5899, allocations: 59.84 kB / 0.579 GB, free: 4.996 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00458/0.5945, allocations: 1.633 MB / 0.5806 GB, free: 3.691 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01701/0.6116, allocations: 5.97 MB / 0.5864 GB, free: 14.99 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.02658/0.6382, allocations: 10.28 MB / 0.5965 GB, free: 6.91 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.02457/0.6628, allocations: 26.71 MB / 0.6225 GB, free: 15.55 MB / 478.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.02434/0.6871, allocations: 22.01 MB / 0.644 GB, free: 9.418 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.02486/0.7121, allocations: 17.48 MB / 0.6611 GB, free: 7.902 MB / 0.4982 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02842/0.7405, allocations: 16.2 MB / 0.6769 GB, free: 7.656 MB / 0.5138 GB Notification: Performance of NFPackage.collectConstants: time 0.01167/0.7522, allocations: 3.098 MB / 0.68 GB, free: 4.559 MB / 0.5138 GB Notification: Performance of NFFlatten.collectFunctions: time 0.03823/0.7905, allocations: 10.69 MB / 0.6904 GB, free: 9.855 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.01333/0.8039, allocations: 6.977 MB / 0.6972 GB, free: 2.863 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.02646/0.8303, allocations: 12.16 MB / 0.7091 GB, free: 6.66 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.3336/1.164, allocations: 42.34 MB / 0.7504 GB, free: 59.44 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 7.444e-06/1.164, allocations: 0 / 0.7504 GB, free: 59.44 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.234e-06/1.164, allocations: 0 / 0.7504 GB, free: 59.44 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.001071/1.165, allocations: 0 / 0.7504 GB, free: 59.44 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: 3812 * Number of variables: 3812 Notification: Performance of Generate backend data structure: time 0.0979/1.263, allocations: 25.22 MB / 0.7751 GB, free: 52.01 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.617e-05/1.263, allocations: 11.88 kB / 0.7751 GB, free: 52.01 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0127/1.276, allocations: 2.001 MB / 0.777 GB, free: 51.53 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02713/1.303, allocations: 3.99 MB / 0.7809 GB, free: 49.96 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03371/1.337, allocations: 12.06 MB / 0.7927 GB, free: 46.48 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002134/1.339, allocations: 2.133 MB / 0.7948 GB, free: 45.11 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.01256/1.352, allocations: 1.528 MB / 0.7963 GB, free: 44.56 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.09394/1.445, allocations: 34.8 MB / 0.8303 GB, free: 12.11 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000664/1.446, allocations: 11.41 kB / 0.8303 GB, free: 12.1 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.01099/1.457, allocations: 0.5898 MB / 0.8308 GB, free: 11.51 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003008/1.458, allocations: 360 kB / 0.8312 GB, free: 11.16 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.09902/1.557, allocations: 46.84 MB / 0.8769 GB, free: 12.32 MB / 0.5919 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 0.5889/2.145, allocations: 128 MB / 1.002 GB, free: 172.5 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.897/3.042, allocations: 276 MB / 1.271 GB, free: 182.7 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.02952/3.072, allocations: 19.82 MB / 1.291 GB, free: 179.2 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.1575/3.23, allocations: 87.56 MB / 1.376 GB, free: 103.8 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.688e-05/3.23, allocations: 138.3 kB / 1.376 GB, free: 103.7 MB / 0.6544 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01918/3.249, allocations: 4.535 MB / 1.381 GB, free: 99.5 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=996): time 4.552e-05/3.249, allocations: 2.656 kB / 1.381 GB, free: 99.5 MB / 0.6544 GB Notification: Performance of matching and sorting (n=1130): time 0.9896/4.239, allocations: 136.8 MB / 1.514 GB, free: 237.1 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001419/4.239, allocations: 171 kB / 1.515 GB, free: 237 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02156/4.26, allocations: 10.17 MB / 1.525 GB, free: 232.1 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 0.005097/4.265, allocations: 209.4 kB / 1.525 GB, free: 231.9 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.00489/4.27, allocations: 7.098 MB / 1.532 GB, free: 227.5 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.00752/4.278, allocations: 4.112 MB / 1.536 GB, free: 224 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01272/4.291, allocations: 3.272 MB / 1.539 GB, free: 222.2 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 4.929e-05/4.291, allocations: 304.7 kB / 1.539 GB, free: 221.9 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0196/4.31, allocations: 11.82 MB / 1.551 GB, free: 215.4 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02046/4.331, allocations: 16.56 MB / 1.567 GB, free: 202.7 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.04269/4.374, allocations: 29.74 MB / 1.596 GB, free: 172.9 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.000125/4.374, allocations: 44 kB / 1.596 GB, free: 172.8 MB / 0.6544 GB Notification: Performance of matching and sorting (n=1891) (initialization): time 0.4456/4.819, allocations: 81.52 MB / 1.676 GB, free: 91.15 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001705/4.819, allocations: 68 kB / 1.676 GB, free: 91.09 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002225/4.82, allocations: 148 kB / 1.676 GB, free: 90.94 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05918/4.879, allocations: 22.37 MB / 1.698 GB, free: 68.7 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.2961/5.175, allocations: 3.73 MB / 1.701 GB, free: 228.8 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1725/5.348, allocations: 93.96 MB / 1.793 GB, free: 188.4 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01879/5.366, allocations: 0.8351 MB / 1.794 GB, free: 187.6 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004824/5.371, allocations: 0.9354 MB / 1.795 GB, free: 186.6 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 677 * 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 (1843): * Single equations (assignments): 1840 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (33,10,82.4%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.01376/5.385, allocations: 5.377 MB / 1.8 GB, free: 181.3 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.004418/5.389, allocations: 1.11 MB / 1.801 GB, free: 180.8 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2641/5.654, allocations: 48.62 MB / 1.849 GB, free: 133 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.00012/5.654, allocations: 124 kB / 1.849 GB, free: 132.9 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.00014/5.654, allocations: 16 kB / 1.849 GB, free: 132.8 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0004104/5.654, allocations: 59.77 kB / 1.849 GB, free: 132.8 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3201/5.974, allocations: 73.1 MB / 1.92 GB, free: 60.01 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.674e-05/5.975, allocations: 6.688 kB / 1.92 GB, free: 60.01 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.2608/6.235, allocations: 2.418 MB / 1.923 GB, free: 222.7 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0367/6.272, allocations: 11.9 MB / 1.934 GB, free: 222.6 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004249/6.276, allocations: 478.6 kB / 1.935 GB, free: 222.6 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1073/6.384, allocations: 46.95 MB / 1.981 GB, free: 210.5 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.959e-06/6.384, allocations: 7.906 kB / 1.981 GB, free: 210.5 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.296/6.68, allocations: 62.83 MB / 2.042 GB, free: 162.1 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01266/6.692, allocations: 3.356 MB / 2.045 GB, free: 159.4 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.006171/6.699, allocations: 295.9 kB / 2.045 GB, free: 159.1 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01466/6.713, allocations: 0.5228 MB / 2.046 GB, free: 158.6 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.007402/6.721, allocations: 1.507 MB / 2.047 GB, free: 157 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003989/6.725, allocations: 479.6 kB / 2.048 GB, free: 156.6 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.01337/6.738, allocations: 6.974 MB / 2.055 GB, free: 149.7 MB / 0.6544 GB Notification: Performance of sort global known variables: time 3.7e-07/6.738, allocations: 0 / 2.055 GB, free: 149.7 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.0311/6.769, allocations: 6.718 MB / 2.061 GB, free: 143.2 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 60 (solution.temperature,O2_free.logn,H2O.logn,relaxed.OxyHm[1].logn,relaxed.OxyHm[2].logn,relaxed.OxyHm[3].logn,relaxed.OxyHm[4].logn,relaxed.DeoxyHm[1].logn,relaxed.DeoxyHm[2].logn,relaxed.DeoxyHm[3].logn,relaxed.DeoxyHm[4].logn,relaxed.HmAH[1].logn,relaxed.HmAH[2].logn,relaxed.HmAH[3].logn,relaxed.HmAH[4].logn,relaxed.HmA[1].logn,relaxed.HmA[2].logn,relaxed.HmA[3].logn,relaxed.HmA[4].logn,relaxed.HmNH3[1].logn,relaxed.HmNH3[2].logn,relaxed.HmNH3[3].logn,relaxed.HmNH3[4].logn,relaxed.HmNH2[1].logn,relaxed.HmNH2[2].logn,relaxed.HmNH2[3].logn,relaxed.HmNH2[4].logn,relaxed.HmNHCOO[1].logn,relaxed.HmNHCOO[2].logn,relaxed.HmNHCOO[3].logn,relaxed.HmNHCOO[4].logn,tensed.OxyHm[1].logn,tensed.OxyHm[2].logn,tensed.OxyHm[3].logn,tensed.OxyHm[4].logn,tensed.DeoxyHm[1].logn,tensed.DeoxyHm[2].logn,tensed.DeoxyHm[3].logn,tensed.DeoxyHm[4].logn,tensed.HmAH[1].logn,tensed.HmAH[2].logn,tensed.HmAH[3].logn,tensed.HmAH[4].logn,tensed.HmA[1].logn,tensed.HmA[2].logn,tensed.HmA[3].logn,tensed.HmA[4].logn,tensed.HmNH3[1].logn,tensed.HmNH3[2].logn,tensed.HmNH3[3].logn,tensed.HmNH3[4].logn,tensed.HmNH2[1].logn,tensed.HmNH2[2].logn,tensed.HmNH2[3].logn,tensed.HmNH2[4].logn,tensed.HmNHCOO[1].logn,tensed.HmNHCOO[2].logn,tensed.HmNHCOO[3].logn,tensed.HmNHCOO[4].logn,CO2_free.logn) * 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 (1235): * Single equations (assignments): 1232 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (33,10,82.4%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.2986/7.068, allocations: 66.94 MB / 2.127 GB, free: 76.65 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.3379/7.406, allocations: 27.83 MB / 2.154 GB, free: 247.8 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 9.939e-06/7.406, allocations: 0.5 kB / 2.154 GB, free: 247.8 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.0382/7.444, allocations: 14.9 MB / 2.168 GB, free: 247 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02083/7.465, allocations: 2.494 MB / 2.171 GB, free: 246.4 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.332/8.797, allocations: 262.1 MB / 2.427 GB, free: 220.6 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0173/8.815, allocations: 9.939 MB / 2.436 GB, free: 216.8 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.01478/8.83, allocations: 5.214 MB / 2.442 GB, free: 214.8 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01671/8.846, allocations: 7.051 MB / 2.448 GB, free: 209.5 MB / 0.6544 GB Notification: Performance of SimCode: time 1.012e-06/8.846, allocations: 0 / 2.448 GB, free: 209.5 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.045/9.892, allocations: 441.8 MB / 2.88 GB, free: 210.8 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 87.77/97.66, allocations: 0 / 2.88 GB, free: 210.8 MB / 0.6544 GB (rm -f Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration.pipe ; mkfifo Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration.pipe ; head -c 1048576 < Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration.pipe >> ../files/Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration.sim & python3 -m fmpy simulate --output-file Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration_res.csv --start-time 0 --stop-time 100000 --timeout 50 --relative-tolerance 1e-05 --interface-type ModelExchange --solver CVode --output-interval 40 Chemical_Chemical_Examples_Hemoglobin_HemoglobinTitration.fmu > Chemical_Chemical.Examples.Hemoglobin.HemoglobinTitration.pipe 2>&1)