Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/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: translateModel(BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y") translateModel(BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001597/0.001597, allocations: 109.1 kB / 15.99 MB, free: 6.352 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001575/0.001575, allocations: 189.2 kB / 16.91 MB, free: 6.184 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.384/1.384, allocations: 222.9 MB / 240.6 MB, free: 15.46 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002515/0.002515, allocations: 282.1 kB / 291 MB, free: 14.72 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.207/1.207, allocations: 178.5 MB / 0.5076 GB, free: 12.79 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002675/0.002675, allocations: 99.83 kB / 0.6066 GB, free: 9.707 MB / 462.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1839/0.1866, allocations: 89.14 MB / 0.6936 GB, free: 492 kB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y): time 0.3809/0.5676, allocations: 74.53 MB / 0.7664 GB, free: 3.922 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02255/0.5902, allocations: 15.03 MB / 0.7811 GB, free: 9.129 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003545/0.5937, allocations: 64.41 kB / 0.7811 GB, free: 9.102 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.002983/0.5968, allocations: 0.7225 MB / 0.7818 GB, free: 8.676 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.008549/0.6054, allocations: 2.416 MB / 0.7842 GB, free: 7.238 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.004305/0.6097, allocations: 1.281 MB / 0.7855 GB, free: 6.48 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.008067/0.6178, allocations: 4.428 MB / 0.7898 GB, free: 4.27 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003053/0.6209, allocations: 1.445 MB / 0.7912 GB, free: 3.574 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005286/0.6262, allocations: 1.643 MB / 0.7928 GB, free: 2.754 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003153/0.6293, allocations: 1.256 MB / 0.794 GB, free: 2.176 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0004695/0.6298, allocations: 161.5 kB / 0.7942 GB, free: 2.176 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004605/0.6344, allocations: 1.42 MB / 0.7956 GB, free: 1.645 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0006969/0.6352, allocations: 400.3 kB / 0.7959 GB, free: 1.395 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.001939/0.6371, allocations: 0.8976 MB / 0.7968 GB, free: 0.8359 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.004361/0.6415, allocations: 2.233 MB / 0.799 GB, free: 92 kB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 8.276e-06/0.6415, allocations: 1.859 kB / 0.799 GB, free: 92 kB / 0.5606 GB Notification: Performance of FrontEnd: time 2.455e-06/0.6415, allocations: 0 / 0.799 GB, free: 92 kB / 0.5606 GB Notification: Performance of Transformations before backend: time 5.759e-05/0.6416, allocations: 0 / 0.799 GB, free: 92 kB / 0.5606 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 0.005454/0.6471, allocations: 2.081 MB / 0.801 GB, free: 14.72 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 5.113e-05/0.6471, allocations: 11.05 kB / 0.801 GB, free: 14.72 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00103/0.6482, allocations: 226.5 kB / 0.8013 GB, free: 14.64 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003259/0.6514, allocations: 1.503 MB / 0.8027 GB, free: 13.71 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.681e-05/0.6515, allocations: 77.88 kB / 0.8028 GB, free: 13.68 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001639/0.6517, allocations: 100.3 kB / 0.8029 GB, free: 13.64 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002542/0.6542, allocations: 1.095 MB / 0.804 GB, free: 13.16 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.962e-05/0.6543, allocations: 5.219 kB / 0.804 GB, free: 13.15 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001069/0.6544, allocations: 45.02 kB / 0.804 GB, free: 13.12 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.464e-05/0.6545, allocations: 29.52 kB / 0.804 GB, free: 13.11 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002113/0.6566, allocations: 0.8913 MB / 0.8049 GB, free: 12.81 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 0.008101/0.6647, allocations: 4.91 MB / 0.8097 GB, free: 9.355 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001591/0.6663, allocations: 0.6037 MB / 0.8103 GB, free: 9.148 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007966/0.6671, allocations: 360.3 kB / 0.8106 GB, free: 9.023 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008469/0.668, allocations: 0.8232 MB / 0.8114 GB, free: 8.074 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.817e-05/0.6681, allocations: 48.06 kB / 0.8115 GB, free: 8.02 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=61): time 3.206e-06/0.6681, allocations: 0 / 0.8115 GB, free: 8.02 MB / 0.5762 GB Notification: Performance of matching and sorting (n=61): time 0.007603/0.6757, allocations: 1.689 MB / 0.8131 GB, free: 7.52 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.801e-05/0.6758, allocations: 59.81 kB / 0.8132 GB, free: 7.457 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002231/0.678, allocations: 1.214 MB / 0.8144 GB, free: 6.957 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001919/0.6782, allocations: 39.52 kB / 0.8144 GB, free: 6.918 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006321/0.6788, allocations: 0.6041 MB / 0.815 GB, free: 6.438 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003179/0.6792, allocations: 211.2 kB / 0.8152 GB, free: 6.273 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000292/0.6795, allocations: 162 kB / 0.8154 GB, free: 6.191 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001549/0.6796, allocations: 330.5 kB / 0.8157 GB, free: 5.875 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007504/0.6804, allocations: 290 kB / 0.816 GB, free: 5.777 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009183/0.6813, allocations: 0.4938 MB / 0.8164 GB, free: 5.449 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001478/0.6828, allocations: 0.7044 MB / 0.8171 GB, free: 5.074 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.186e-05/0.6828, allocations: 5.188 kB / 0.8171 GB, free: 5.07 MB / 0.5762 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.005076/0.6879, allocations: 1.282 MB / 0.8184 GB, free: 4.66 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.177e-05/0.688, allocations: 7.719 kB / 0.8184 GB, free: 4.66 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.345e-05/0.688, allocations: 4.578 kB / 0.8184 GB, free: 4.66 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006213/0.6886, allocations: 136.5 kB / 0.8185 GB, free: 4.625 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006538/0.6893, allocations: 155.9 kB / 0.8187 GB, free: 4.613 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009472/0.6903, allocations: 0.7076 MB / 0.8194 GB, free: 4.02 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001674/0.6919, allocations: 164.6 kB / 0.8195 GB, free: 3.949 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001206/0.6921, allocations: 29.69 kB / 0.8196 GB, free: 3.945 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001386/0.6935, allocations: 0.5494 MB / 0.8201 GB, free: 3.664 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009602/0.6944, allocations: 0.4976 MB / 0.8206 GB, free: 3.328 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001611/0.6961, allocations: 0.7036 MB / 0.8213 GB, free: 2.887 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.033e-06/0.6961, allocations: 2.062 kB / 0.8213 GB, free: 2.887 MB / 0.5762 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.005081/0.7012, allocations: 1.26 MB / 0.8225 GB, free: 2.258 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.84e-05/0.7012, allocations: 7.219 kB / 0.8225 GB, free: 2.258 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.025e-06/0.7012, allocations: 3.031 kB / 0.8225 GB, free: 2.258 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005563/0.7018, allocations: 142.6 kB / 0.8226 GB, free: 2.188 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006236/0.7024, allocations: 157 kB / 0.8228 GB, free: 2.148 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008929/0.7033, allocations: 0.7044 MB / 0.8235 GB, free: 1.527 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001625/0.705, allocations: 146.3 kB / 0.8236 GB, free: 1.445 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001073/0.7051, allocations: 31.48 kB / 0.8236 GB, free: 1.438 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 0.0003617/0.7055, allocations: 232.6 kB / 0.8239 GB, free: 1.219 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005527/0.706, allocations: 131.5 kB / 0.824 GB, free: 1.152 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004971/0.711, allocations: 1.265 MB / 0.8252 GB, free: 460 kB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.36e-05/0.711, allocations: 11.58 kB / 0.8252 GB, free: 456 kB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.257e-06/0.7111, allocations: 0 / 0.8252 GB, free: 456 kB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0041/0.7152, allocations: 1.101 MB / 0.8263 GB, free: 15.82 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007807/0.723, allocations: 2.603 MB / 0.8289 GB, free: 14.03 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.471e-05/0.7231, allocations: 6.781 kB / 0.8289 GB, free: 14.03 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004804/0.7235, allocations: 118.5 kB / 0.829 GB, free: 13.99 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000509/0.7241, allocations: 130.5 kB / 0.8291 GB, free: 13.93 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.645e-05/0.7241, allocations: 16.59 kB / 0.8291 GB, free: 13.92 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005254/0.7294, allocations: 2.643 MB / 0.8317 GB, free: 11.68 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.783e-06/0.7294, allocations: 5.219 kB / 0.8317 GB, free: 11.68 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005785/0.7352, allocations: 1.705 MB / 0.8334 GB, free: 10.27 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001001/0.7363, allocations: 303.2 kB / 0.8337 GB, free: 9.949 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004857/0.7368, allocations: 16 kB / 0.8337 GB, free: 9.934 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001342/0.7381, allocations: 83.91 kB / 0.8338 GB, free: 9.852 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000169/0.7383, allocations: 60.3 kB / 0.8338 GB, free: 9.793 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001047/0.7384, allocations: 27.98 kB / 0.8338 GB, free: 9.766 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001845/0.7403, allocations: 0.874 MB / 0.8347 GB, free: 8.891 MB / 0.5919 GB Notification: Performance of sort global known variables: time 2.244e-06/0.7403, allocations: 0 / 0.8347 GB, free: 8.891 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.003176/0.7435, allocations: 0.7173 MB / 0.8354 GB, free: 8.172 MB / 0.5919 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 0.001313/0.7448, allocations: 442.9 kB / 0.8358 GB, free: 7.742 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.003213/0.748, allocations: 1.157 MB / 0.8369 GB, free: 6.586 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 8.336e-06/0.748, allocations: 0 / 0.8369 GB, free: 6.586 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.001642/0.7497, allocations: 0.5643 MB / 0.8375 GB, free: 6.008 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004691/0.7544, allocations: 0.8038 MB / 0.8383 GB, free: 5.23 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005693/0.7601, allocations: 2.8 MB / 0.841 GB, free: 2.352 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001153/0.7613, allocations: 1.164 MB / 0.8422 GB, free: 1.16 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004691/0.7618, allocations: 111.4 kB / 0.8423 GB, free: 1.051 MB / 0.5919 GB Notification: Performance of SimCode: time 1.122e-06/0.7618, allocations: 0 / 0.8423 GB, free: 1.051 MB / 0.5919 GB Notification: Performance of Templates: time 0.04771/0.8095, allocations: 30.94 MB / 0.8725 GB, free: 2.316 MB / 0.6231 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y.sim & ./BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.HeatPumps.Examples.Carnot_y.pipe 2>&1)