Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.HeatPumps.Examples.Carnot_y,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_HeatPumps_Examples_Carnot_y",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.HeatPumps.Examples.Carnot_y,fileNamePrefix="IBPSA_latest_IBPSA_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 0.001179/0.001179, allocations: 104.1 kB / 16.4 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001169/0.001169, allocations: 193.2 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.29/1.29, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6973/0.6973, allocations: 115.3 MB / 406.5 MB, free: 6.141 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001218/0.001218, allocations: 66.8 kB / 0.5572 GB, free: 32.48 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1462/0.1474, allocations: 76.18 MB / 0.6316 GB, free: 4.953 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatPumps.Examples.Carnot_y): time 0.06903/0.2165, allocations: 75.16 MB / 0.705 GB, free: 9.527 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01893/0.2355, allocations: 15.16 MB / 0.7198 GB, free: 10.32 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0027/0.2382, allocations: 67.62 kB / 0.7198 GB, free: 10.25 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.002243/0.2405, allocations: 0.8306 MB / 0.7207 GB, free: 9.414 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.007007/0.2476, allocations: 2.585 MB / 0.7232 GB, free: 6.816 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003634/0.2512, allocations: 1.401 MB / 0.7246 GB, free: 5.43 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.005603/0.2569, allocations: 4.4 MB / 0.7288 GB, free: 1.016 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002412/0.2593, allocations: 1.44 MB / 0.7303 GB, free: 15.55 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003815/0.2631, allocations: 1.677 MB / 0.7319 GB, free: 13.87 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002172/0.2653, allocations: 1.225 MB / 0.7331 GB, free: 12.64 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0005085/0.2658, allocations: 164 kB / 0.7332 GB, free: 12.48 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003386/0.2692, allocations: 1.4 MB / 0.7346 GB, free: 11.07 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0006409/0.2699, allocations: 398.6 kB / 0.735 GB, free: 10.68 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001664/0.2716, allocations: 0.9021 MB / 0.7359 GB, free: 9.777 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.005052/0.2766, allocations: 2.86 MB / 0.7387 GB, free: 6.91 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 6.131e-06/0.2767, allocations: 0 / 0.7387 GB, free: 6.91 MB / 0.5762 GB Notification: Performance of FrontEnd: time 4.459e-06/0.2767, allocations: 3.984 kB / 0.7387 GB, free: 6.906 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 7.44e-05/0.2767, allocations: 0 / 0.7387 GB, free: 6.906 MB / 0.5762 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 0.004954/0.2817, allocations: 2.083 MB / 0.7407 GB, free: 4.754 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.608e-05/0.2818, allocations: 12.03 kB / 0.7407 GB, free: 4.742 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002932/0.2821, allocations: 144.1 kB / 0.7409 GB, free: 4.594 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000962/0.283, allocations: 234.8 kB / 0.7411 GB, free: 4.363 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002995/0.286, allocations: 1.52 MB / 0.7426 GB, free: 2.789 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.266e-05/0.2861, allocations: 74 kB / 0.7426 GB, free: 2.715 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002006/0.2863, allocations: 100 kB / 0.7427 GB, free: 2.617 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002158/0.2885, allocations: 1.1 MB / 0.7438 GB, free: 1.484 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.078e-05/0.2886, allocations: 0 / 0.7438 GB, free: 1.484 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001033/0.2887, allocations: 47.98 kB / 0.7438 GB, free: 1.438 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.717e-05/0.2887, allocations: 24 kB / 0.7439 GB, free: 1.414 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001981/0.2907, allocations: 0.8939 MB / 0.7447 GB, free: 0.5195 MB / 0.5762 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 0.3234/0.6141, allocations: 4.885 MB / 0.7495 GB, free: 108.1 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001483/0.6157, allocations: 0.6138 MB / 0.7501 GB, free: 107.8 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006781/0.6164, allocations: 355.8 kB / 0.7505 GB, free: 107.7 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004503/0.6168, allocations: 0.8279 MB / 0.7513 GB, free: 106.8 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.444e-05/0.6168, allocations: 39.45 kB / 0.7513 GB, free: 106.7 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=61): time 2.715e-06/0.6169, allocations: 0 / 0.7513 GB, free: 106.7 MB / 0.5762 GB Notification: Performance of matching and sorting (n=61): time 0.007032/0.6239, allocations: 1.693 MB / 0.753 GB, free: 106.3 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.073e-05/0.624, allocations: 59.52 kB / 0.753 GB, free: 106.2 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001963/0.6259, allocations: 1.229 MB / 0.7542 GB, free: 105.7 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001227/0.6261, allocations: 44.08 kB / 0.7543 GB, free: 105.7 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004758/0.6265, allocations: 0.6094 MB / 0.7548 GB, free: 105.3 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002185/0.6268, allocations: 210.3 kB / 0.755 GB, free: 105.1 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002835/0.6271, allocations: 157.2 kB / 0.7552 GB, free: 105 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 7.988e-05/0.6272, allocations: 329.4 kB / 0.7555 GB, free: 104.7 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000666/0.6278, allocations: 289.5 kB / 0.7558 GB, free: 104.6 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000785/0.6286, allocations: 0.4936 MB / 0.7563 GB, free: 104.3 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001197/0.6298, allocations: 0.7083 MB / 0.757 GB, free: 103.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.318e-06/0.6298, allocations: 0 / 0.757 GB, free: 103.9 MB / 0.5762 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004365/0.6342, allocations: 1.28 MB / 0.7582 GB, free: 103.5 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.051e-05/0.6342, allocations: 7.125 kB / 0.7582 GB, free: 103.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.133e-05/0.6343, allocations: 3.688 kB / 0.7582 GB, free: 103.5 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005757/0.6348, allocations: 135.8 kB / 0.7584 GB, free: 103.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006779/0.6355, allocations: 160.2 kB / 0.7585 GB, free: 103.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007778/0.6363, allocations: 0.7046 MB / 0.7592 GB, free: 102.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001056/0.6374, allocations: 119.2 kB / 0.7593 GB, free: 102.8 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.823e-05/0.6375, allocations: 31.38 kB / 0.7593 GB, free: 102.8 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001177/0.6387, allocations: 0.5539 MB / 0.7599 GB, free: 102.6 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007951/0.6395, allocations: 500 kB / 0.7604 GB, free: 102.2 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001266/0.6408, allocations: 0.7026 MB / 0.761 GB, free: 101.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.21e-06/0.6408, allocations: 1.062 kB / 0.761 GB, free: 101.9 MB / 0.5762 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004577/0.6454, allocations: 1.273 MB / 0.7623 GB, free: 101.5 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.413e-05/0.6454, allocations: 7.375 kB / 0.7623 GB, free: 101.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.073e-06/0.6454, allocations: 7.531 kB / 0.7623 GB, free: 101.5 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004409/0.6458, allocations: 134.2 kB / 0.7624 GB, free: 101.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000543/0.6464, allocations: 159.2 kB / 0.7626 GB, free: 101.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000604/0.647, allocations: 0.7033 MB / 0.7633 GB, free: 100.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009753/0.648, allocations: 95.45 kB / 0.7634 GB, free: 100.8 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.429e-05/0.6481, allocations: 37.55 kB / 0.7634 GB, free: 100.8 MB / 0.5762 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 0.0002281/0.6483, allocations: 232.3 kB / 0.7636 GB, free: 100.6 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00031/0.6486, allocations: 137.7 kB / 0.7637 GB, free: 100.5 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004286/0.6529, allocations: 1.262 MB / 0.765 GB, free: 99.97 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.858e-05/0.653, allocations: 12.14 kB / 0.765 GB, free: 99.96 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.125e-06/0.653, allocations: 3.938 kB / 0.765 GB, free: 99.96 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003673/0.6567, allocations: 1.108 MB / 0.7661 GB, free: 99.33 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006318/0.663, allocations: 2.613 MB / 0.7686 GB, free: 97.54 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.073e-05/0.663, allocations: 4.125 kB / 0.7686 GB, free: 97.54 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000477/0.6635, allocations: 111.5 kB / 0.7687 GB, free: 97.51 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000463/0.664, allocations: 127 kB / 0.7689 GB, free: 97.45 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.983e-05/0.6641, allocations: 24.61 kB / 0.7689 GB, free: 97.43 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004305/0.6684, allocations: 2.633 MB / 0.7715 GB, free: 95.22 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.498e-06/0.6684, allocations: 3.969 kB / 0.7715 GB, free: 95.22 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004901/0.6733, allocations: 1.7 MB / 0.7731 GB, free: 94.2 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007114/0.674, allocations: 302.4 kB / 0.7734 GB, free: 93.94 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003614/0.6744, allocations: 19.94 kB / 0.7734 GB, free: 93.93 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009867/0.6754, allocations: 58.69 kB / 0.7735 GB, free: 93.9 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001388/0.6756, allocations: 63.95 kB / 0.7735 GB, free: 93.86 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.955e-05/0.6757, allocations: 27.8 kB / 0.7736 GB, free: 93.86 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001618/0.6773, allocations: 0.8841 MB / 0.7744 GB, free: 93.36 MB / 0.5762 GB Notification: Performance of sort global known variables: time 4.2e-07/0.6773, allocations: 0 / 0.7744 GB, free: 93.36 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.002099/0.6794, allocations: 0.7134 MB / 0.7751 GB, free: 93.24 MB / 0.5762 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 0.005648/0.6851, allocations: 2.601 MB / 0.7777 GB, free: 91.58 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.00232/0.6874, allocations: 1.127 MB / 0.7788 GB, free: 90.47 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 6.512e-06/0.6874, allocations: 0 / 0.7788 GB, free: 90.47 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001232/0.6887, allocations: 0.5603 MB / 0.7793 GB, free: 89.89 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003388/0.6921, allocations: 0.7999 MB / 0.7801 GB, free: 89.14 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01759/0.7097, allocations: 9.818 MB / 0.7897 GB, free: 79.07 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000556/0.7103, allocations: 1.179 MB / 0.7908 GB, free: 77.86 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001052/0.7113, allocations: 307.8 kB / 0.7911 GB, free: 77.57 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005883/0.7119, allocations: 0.511 MB / 0.7916 GB, free: 77.06 MB / 0.5762 GB Notification: Performance of SimCode: time 7.01e-07/0.7119, allocations: 0 / 0.7916 GB, free: 77.06 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06717/0.7791, allocations: 43.34 MB / 0.834 GB, free: 34.18 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.3/14.08, allocations: 6.281 kB / 0.834 GB, free: 34.17 MB / 0.5762 GB (rm -f IBPSA_latest_IBPSA.Fluid.HeatPumps.Examples.Carnot_y.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatPumps.Examples.Carnot_y.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatPumps.Examples.Carnot_y.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatPumps.Examples.Carnot_y.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Fluid_HeatPumps_Examples_Carnot_y_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Fluid_HeatPumps_Examples_Carnot_y.fmu > IBPSA_latest_IBPSA.Fluid.HeatPumps.Examples.Carnot_y.pipe 2>&1)