Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatPumps.Examples.Carnot_y.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.HeatPumps.Examples.Carnot_y,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_HeatPumps_Examples_Carnot_y",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.HeatPumps.Examples.Carnot_y,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_HeatPumps_Examples_Carnot_y",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 0.00112/0.00112, allocations: 108 kB / 15.6 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 0.001333/0.001333, allocations: 197.1 kB / 16.53 MB, free: 6.672 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.318/1.318, allocations: 222.9 MB / 240.2 MB, free: 4.391 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9003/0.9003, allocations: 135.1 MB / 425.5 MB, free: 12 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001998/0.001998, allocations: 69.66 kB / 0.5055 GB, free: 5.195 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1561/0.1581, allocations: 80.92 MB / 0.5845 GB, free: 4.426 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatPumps.Examples.Carnot_y): time 0.2902/0.4483, allocations: 75.15 MB / 0.6579 GB, free: 6.895 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01646/0.4648, allocations: 15.14 MB / 0.6727 GB, free: 12.02 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002036/0.4669, allocations: 65.62 kB / 0.6727 GB, free: 11.99 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.001873/0.4688, allocations: 0.8308 MB / 0.6735 GB, free: 11.47 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.006505/0.4753, allocations: 2.589 MB / 0.6761 GB, free: 9.914 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003287/0.4786, allocations: 1.374 MB / 0.6774 GB, free: 9.133 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.00528/0.4839, allocations: 4.395 MB / 0.6817 GB, free: 6.938 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002183/0.4861, allocations: 1.45 MB / 0.6831 GB, free: 6.23 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003724/0.4899, allocations: 1.634 MB / 0.6847 GB, free: 5.426 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002206/0.4921, allocations: 1.214 MB / 0.6859 GB, free: 4.859 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0004301/0.4925, allocations: 166.8 kB / 0.686 GB, free: 4.855 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003435/0.496, allocations: 1.399 MB / 0.6874 GB, free: 4.344 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.0005617/0.4965, allocations: 405.8 kB / 0.6878 GB, free: 4.086 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.001404/0.4979, allocations: 0.9103 MB / 0.6887 GB, free: 3.512 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.003908/0.5019, allocations: 2.841 MB / 0.6915 GB, free: 2.434 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 4.238e-06/0.5019, allocations: 1.25 kB / 0.6915 GB, free: 2.434 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.312e-06/0.5019, allocations: 0 / 0.6915 GB, free: 2.434 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 2.476e-05/0.5019, allocations: 3.938 kB / 0.6915 GB, free: 2.43 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: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.003703/0.5056, allocations: 2.089 MB / 0.6935 GB, free: 1.059 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 3.555e-05/0.5057, allocations: 12.84 kB / 0.6935 GB, free: 1.055 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000177/0.5059, allocations: 147.4 kB / 0.6937 GB, free: 0.957 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008129/0.5067, allocations: 228.2 kB / 0.6939 GB, free: 0.8711 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002291/0.509, allocations: 1.459 MB / 0.6953 GB, free: 15.96 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.281e-05/0.5091, allocations: 76.47 kB / 0.6954 GB, free: 15.93 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001459/0.5092, allocations: 100.4 kB / 0.6955 GB, free: 15.9 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001974/0.5112, allocations: 1.103 MB / 0.6966 GB, free: 15.41 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.653e-05/0.5112, allocations: 5.625 kB / 0.6966 GB, free: 15.4 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.959e-05/0.5113, allocations: 36.66 kB / 0.6966 GB, free: 15.38 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.335e-05/0.5114, allocations: 25.53 kB / 0.6966 GB, free: 15.38 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001961/0.5133, allocations: 0.8945 MB / 0.6975 GB, free: 15.06 MB / 0.5294 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 0.005873/0.5192, allocations: 4.951 MB / 0.7023 GB, free: 11.6 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001427/0.5207, allocations: 0.6173 MB / 0.7029 GB, free: 11.38 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007047/0.5214, allocations: 349.8 kB / 0.7033 GB, free: 11.27 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005805/0.522, allocations: 0.8231 MB / 0.7041 GB, free: 10.32 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.926e-05/0.522, allocations: 40.91 kB / 0.7041 GB, free: 10.28 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=61): time 2.144e-06/0.522, allocations: 0 / 0.7041 GB, free: 10.28 MB / 0.5294 GB Notification: Performance of matching and sorting (n=61): time 0.007526/0.5295, allocations: 1.7 MB / 0.7058 GB, free: 9.766 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.383e-05/0.5296, allocations: 57.19 kB / 0.7058 GB, free: 9.703 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001644/0.5312, allocations: 1.233 MB / 0.707 GB, free: 9.195 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 7.564e-05/0.5313, allocations: 39.39 kB / 0.7071 GB, free: 9.156 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004974/0.5318, allocations: 0.6046 MB / 0.7076 GB, free: 8.621 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001951/0.532, allocations: 211 kB / 0.7079 GB, free: 8.438 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002262/0.5323, allocations: 151.7 kB / 0.708 GB, free: 8.348 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001119/0.5324, allocations: 341.4 kB / 0.7083 GB, free: 8.016 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006893/0.5331, allocations: 291.1 kB / 0.7086 GB, free: 7.867 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008842/0.534, allocations: 0.492 MB / 0.7091 GB, free: 7.48 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001448/0.5354, allocations: 0.7093 MB / 0.7098 GB, free: 7.039 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.218e-06/0.5355, allocations: 0.9375 kB / 0.7098 GB, free: 7.039 MB / 0.5294 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.005233/0.5407, allocations: 1.277 MB / 0.711 GB, free: 6.395 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 1.879e-05/0.5407, allocations: 6.906 kB / 0.711 GB, free: 6.395 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.073e-05/0.5407, allocations: 7.406 kB / 0.711 GB, free: 6.391 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000589/0.5413, allocations: 139.4 kB / 0.7112 GB, free: 6.324 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000618/0.542, allocations: 153.6 kB / 0.7113 GB, free: 6.289 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008853/0.5429, allocations: 0.7111 MB / 0.712 GB, free: 5.664 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001234/0.5441, allocations: 129.5 kB / 0.7121 GB, free: 5.578 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.293e-05/0.5442, allocations: 31.98 kB / 0.7122 GB, free: 5.57 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001108/0.5453, allocations: 0.5466 MB / 0.7127 GB, free: 5.238 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008804/0.5462, allocations: 0.4928 MB / 0.7132 GB, free: 4.848 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001368/0.5476, allocations: 0.6989 MB / 0.7139 GB, free: 4.406 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.375e-06/0.5476, allocations: 0 / 0.7139 GB, free: 4.406 MB / 0.5294 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004902/0.5525, allocations: 1.275 MB / 0.7151 GB, free: 3.766 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 1.279e-05/0.5525, allocations: 5.875 kB / 0.7151 GB, free: 3.766 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.783e-06/0.5525, allocations: 8.344 kB / 0.7151 GB, free: 3.762 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005191/0.5531, allocations: 138.5 kB / 0.7152 GB, free: 3.695 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000616/0.5537, allocations: 156.6 kB / 0.7154 GB, free: 3.656 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008209/0.5545, allocations: 0.7081 MB / 0.7161 GB, free: 3.031 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001163/0.5557, allocations: 104.9 kB / 0.7162 GB, free: 2.969 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.553e-05/0.5558, allocations: 31.2 kB / 0.7162 GB, free: 2.961 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (78): * Single equations (assignments): 77 * Array equations: 0 * 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 {(1,10)} Notification: Performance of prepare postOptimizeDAE: time 0.0002465/0.556, allocations: 224.9 kB / 0.7164 GB, free: 2.746 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000246/0.5563, allocations: 135.8 kB / 0.7166 GB, free: 2.676 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004798/0.5611, allocations: 1.267 MB / 0.7178 GB, free: 1.977 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.625e-05/0.5611, allocations: 9.203 kB / 0.7178 GB, free: 1.973 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.75e-06/0.5611, allocations: 2.781 kB / 0.7178 GB, free: 1.973 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00424/0.5654, allocations: 1.1 MB / 0.7189 GB, free: 1.344 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00649/0.5719, allocations: 2.618 MB / 0.7214 GB, free: 15.54 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.272e-06/0.5719, allocations: 12.81 kB / 0.7215 GB, free: 15.53 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004769/0.5724, allocations: 108.7 kB / 0.7216 GB, free: 15.45 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004818/0.5729, allocations: 132.7 kB / 0.7217 GB, free: 15.32 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.139e-05/0.5729, allocations: 19.98 kB / 0.7217 GB, free: 15.3 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00508/0.578, allocations: 2.63 MB / 0.7243 GB, free: 12.52 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.178e-06/0.578, allocations: 4 kB / 0.7243 GB, free: 12.52 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00554/0.5836, allocations: 1.707 MB / 0.7259 GB, free: 10.75 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005965/0.5842, allocations: 299.3 kB / 0.7262 GB, free: 10.43 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001895/0.5844, allocations: 19.94 kB / 0.7262 GB, free: 10.41 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008949/0.5853, allocations: 56.97 kB / 0.7263 GB, free: 10.36 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001254/0.5854, allocations: 68.3 kB / 0.7264 GB, free: 10.29 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.281e-05/0.5855, allocations: 31.98 kB / 0.7264 GB, free: 10.26 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.001177/0.5867, allocations: 0.8857 MB / 0.7273 GB, free: 9.375 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.5e-07/0.5867, allocations: 0 / 0.7273 GB, free: 9.375 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.001939/0.5886, allocations: 0.7135 MB / 0.728 GB, free: 8.66 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U) * 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 (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,10)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006493/0.5951, allocations: 2.596 MB / 0.7305 GB, free: 6 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.002849/0.598, allocations: 1.16 MB / 0.7316 GB, free: 4.848 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 6.823e-06/0.598, allocations: 4 kB / 0.7316 GB, free: 4.844 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.001476/0.5995, allocations: 0.5565 MB / 0.7322 GB, free: 4.277 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00391/0.6034, allocations: 0.7962 MB / 0.733 GB, free: 3.52 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02041/0.6238, allocations: 10.5 MB / 0.7432 GB, free: 8.496 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007165/0.6246, allocations: 1.182 MB / 0.7444 GB, free: 7.285 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.00128/0.6259, allocations: 311 kB / 0.7447 GB, free: 6.977 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006756/0.6266, allocations: 0.5188 MB / 0.7452 GB, free: 6.457 MB / 0.5606 GB Notification: Performance of SimCode: time 9.61e-07/0.6266, allocations: 0 / 0.7452 GB, free: 6.457 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07219/0.6988, allocations: 42.32 MB / 0.7865 GB, free: 12.59 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.87/13.57, allocations: 10.34 kB / 0.7865 GB, free: 12.59 MB / 0.6075 GB (rm -f IDEAS_dev_IDEAS.Fluid.HeatPumps.Examples.Carnot_y.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatPumps.Examples.Carnot_y.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatPumps.Examples.Carnot_y.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatPumps.Examples.Carnot_y.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_HeatPumps_Examples_Carnot_y_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_HeatPumps_Examples_Carnot_y.fmu > IDEAS_dev_IDEAS.Fluid.HeatPumps.Examples.Carnot_y.pipe 2>&1)