Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.conf.json 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/IBPSA 4.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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) Running command: translateModel(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") translateModel(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001289/0.001289, allocations: 182.7 kB / 16.63 MB, free: 5.117 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.5238/0.5238, allocations: 87.5 MB / 104.9 MB, free: 13.03 MB / 90.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.406/1.406, allocations: 222.9 MB / 349.1 MB, free: 2.75 MB / 282.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001024/0.001024, allocations: 101.3 kB / 420 MB, free: 8.508 MB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001045/0.001045, allocations: 59.89 kB / 0.4891 GB, free: 7.711 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3149/0.316, allocations: 70.05 MB / 0.5575 GB, free: 44.95 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity): time 0.02411/0.3401, allocations: 31.57 MB / 0.5883 GB, free: 13.55 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.007351/0.3475, allocations: 5.381 MB / 0.5936 GB, free: 8.156 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001448/0.349, allocations: 35.75 kB / 0.5936 GB, free: 8.121 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001152/0.3502, allocations: 314.2 kB / 0.5939 GB, free: 7.812 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003733/0.354, allocations: 1.332 MB / 0.5952 GB, free: 6.477 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002048/0.356, allocations: 0.7486 MB / 0.5959 GB, free: 5.734 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.00256/0.3586, allocations: 2.871 MB / 0.5987 GB, free: 2.855 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0007561/0.3594, allocations: 0.5137 MB / 0.5992 GB, free: 2.328 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001323/0.3607, allocations: 0.6883 MB / 0.5999 GB, free: 1.637 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007501/0.3615, allocations: 0.556 MB / 0.6005 GB, free: 1.078 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 6.716e-05/0.3616, allocations: 28 kB / 0.6005 GB, free: 1.051 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00226/0.3638, allocations: 1.154 MB / 0.6016 GB, free: 15.89 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001729/0.364, allocations: 151.4 kB / 0.6018 GB, free: 15.75 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003875/0.3644, allocations: 350.2 kB / 0.6021 GB, free: 15.4 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.002267/0.3667, allocations: 1.488 MB / 0.6035 GB, free: 13.91 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.32e-06/0.3667, allocations: 0 / 0.6035 GB, free: 13.91 MB / 426.7 MB Notification: Performance of FrontEnd: time 1.263e-06/0.3667, allocations: 0 / 0.6035 GB, free: 13.91 MB / 426.7 MB Notification: Performance of Transformations before backend: time 1.17e-05/0.3667, allocations: 0 / 0.6035 GB, free: 13.91 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.001649/0.3684, allocations: 1.094 MB / 0.6046 GB, free: 12.77 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.1e-05/0.3684, allocations: 12.03 kB / 0.6046 GB, free: 12.75 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002215/0.3707, allocations: 279.7 kB / 0.6049 GB, free: 12.48 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001384/0.3721, allocations: 0.6709 MB / 0.6055 GB, free: 11.77 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.686e-05/0.3721, allocations: 40.94 kB / 0.6056 GB, free: 11.73 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.366e-05/0.3722, allocations: 48 kB / 0.6056 GB, free: 11.68 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008692/0.3731, allocations: 0.5204 MB / 0.6061 GB, free: 11.13 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.824e-05/0.3731, allocations: 0 / 0.6061 GB, free: 11.13 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.485e-05/0.3732, allocations: 19.94 kB / 0.6062 GB, free: 11.11 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.437e-05/0.3732, allocations: 12 kB / 0.6062 GB, free: 11.1 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006745/0.3739, allocations: 359.7 kB / 0.6065 GB, free: 10.75 MB / 426.7 MB 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 0.00297/0.3768, allocations: 2.83 MB / 0.6093 GB, free: 7.684 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0005564/0.3774, allocations: 305.8 kB / 0.6096 GB, free: 7.367 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002496/0.3777, allocations: 146.1 kB / 0.6097 GB, free: 7.219 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0005003/0.3782, allocations: 0.6573 MB / 0.6103 GB, free: 6.414 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.366e-05/0.3782, allocations: 38.8 kB / 0.6104 GB, free: 6.367 MB / 426.7 MB Notification: Performance of pre-optimization done (n=28): time 2.314e-06/0.3782, allocations: 0 / 0.6104 GB, free: 6.367 MB / 426.7 MB Notification: Performance of matching and sorting (n=40): time 0.006646/0.3849, allocations: 2.088 MB / 0.6124 GB, free: 4.199 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.698e-05/0.385, allocations: 81.11 kB / 0.6125 GB, free: 4.102 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000741/0.3857, allocations: 0.5146 MB / 0.613 GB, free: 3.578 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 4.495e-05/0.3858, allocations: 33.7 kB / 0.613 GB, free: 3.539 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002234/0.386, allocations: 332.3 kB / 0.6134 GB, free: 3.207 MB / 426.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.00012/0.3862, allocations: 138 kB / 0.6135 GB, free: 3.07 MB / 426.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001404/0.3863, allocations: 98.14 kB / 0.6136 GB, free: 2.969 MB / 426.7 MB Notification: Performance of setup shared object (initialization): time 0.0001856/0.3865, allocations: 366.8 kB / 0.6139 GB, free: 2.602 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003467/0.3869, allocations: 171 kB / 0.6141 GB, free: 2.434 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004299/0.3873, allocations: 299.2 kB / 0.6144 GB, free: 2.094 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007534/0.3881, allocations: 471.5 kB / 0.6148 GB, free: 1.59 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.164e-06/0.3881, allocations: 0 / 0.6148 GB, free: 1.59 MB / 426.7 MB Notification: Performance of matching and sorting (n=55) (initialization): time 0.001772/0.3898, allocations: 0.7435 MB / 0.6156 GB, free: 0.832 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.186e-05/0.3899, allocations: 6.031 kB / 0.6156 GB, free: 0.8281 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.698e-06/0.3899, allocations: 4.047 kB / 0.6156 GB, free: 0.8242 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009813/0.3909, allocations: 289.6 kB / 0.6158 GB, free: 0.5352 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000281/0.3912, allocations: 67.91 kB / 0.6159 GB, free: 480 kB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005935/0.3971, allocations: 4.309 MB / 0.6201 GB, free: 11.89 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001138/0.3983, allocations: 83.88 kB / 0.6202 GB, free: 11.81 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.16e-05/0.3984, allocations: 16 kB / 0.6202 GB, free: 11.8 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000586/0.399, allocations: 333.1 kB / 0.6205 GB, free: 11.47 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000424/0.3994, allocations: 295.1 kB / 0.6208 GB, free: 11.13 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007457/0.4002, allocations: 467.6 kB / 0.6213 GB, free: 10.63 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.534e-06/0.4002, allocations: 0 / 0.6213 GB, free: 10.63 MB / 442.7 MB Notification: Performance of matching and sorting (n=55) (initialization_lambda0): time 0.001849/0.402, allocations: 0.7361 MB / 0.622 GB, free: 9.879 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.845e-05/0.4021, allocations: 7.938 kB / 0.622 GB, free: 9.871 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.071e-06/0.4021, allocations: 4 kB / 0.622 GB, free: 9.867 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001039/0.4031, allocations: 273.9 kB / 0.6222 GB, free: 9.594 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002742/0.4034, allocations: 75.83 kB / 0.6223 GB, free: 9.52 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005933/0.4094, allocations: 4.315 MB / 0.6265 GB, free: 4.934 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001156/0.4105, allocations: 79.89 kB / 0.6266 GB, free: 4.855 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.561e-05/0.4106, allocations: 27.98 kB / 0.6266 GB, free: 4.828 MB / 442.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * 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 (39): * Single equations (assignments): 37 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,8), (2,6)} Notification: Performance of prepare postOptimizeDAE: time 0.0002346/0.4108, allocations: 209.2 kB / 0.6268 GB, free: 4.617 MB / 442.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001487/0.411, allocations: 55.34 kB / 0.6269 GB, free: 4.562 MB / 442.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001774/0.4128, allocations: 0.668 MB / 0.6275 GB, free: 3.883 MB / 442.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.791e-06/0.4128, allocations: 4 kB / 0.6275 GB, free: 3.879 MB / 442.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.044e-06/0.4128, allocations: 0 / 0.6275 GB, free: 3.879 MB / 442.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00157/0.4144, allocations: 0.7492 MB / 0.6283 GB, free: 3.074 MB / 442.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00315/0.4176, allocations: 1.698 MB / 0.6299 GB, free: 1.305 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.679e-06/0.4176, allocations: 0 / 0.6299 GB, free: 1.305 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002341/0.4178, allocations: 51.91 kB / 0.63 GB, free: 1.254 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009617/0.4188, allocations: 261.4 kB / 0.6302 GB, free: 0.9922 MB / 442.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.351e-05/0.4188, allocations: 12 kB / 0.6302 GB, free: 0.9805 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005065/0.4239, allocations: 3.944 MB / 0.6341 GB, free: 12.77 MB / 458.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.636e-06/0.4239, allocations: 7.875 kB / 0.6341 GB, free: 12.76 MB / 458.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0185/0.4424, allocations: 9.686 MB / 0.6436 GB, free: 2.633 MB / 458.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002906/0.4428, allocations: 188.4 kB / 0.6437 GB, free: 2.43 MB / 458.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.137e-05/0.4429, allocations: 12 kB / 0.6437 GB, free: 2.418 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009658/0.4438, allocations: 79.84 kB / 0.6438 GB, free: 2.34 MB / 458.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001428/0.444, allocations: 23.97 kB / 0.6438 GB, free: 2.316 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.759e-05/0.444, allocations: 15.98 kB / 0.6439 GB, free: 2.301 MB / 458.7 MB Notification: Performance of sorting global known variables: time 0.0005769/0.4446, allocations: 370.8 kB / 0.6442 GB, free: 1.941 MB / 458.7 MB Notification: Performance of sort global known variables: time 3.01e-07/0.4446, allocations: 0 / 0.6442 GB, free: 1.941 MB / 458.7 MB Notification: Performance of remove unused functions: time 0.002565/0.4472, allocations: 0.621 MB / 0.6448 GB, free: 1.32 MB / 458.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 2 (vol.ports[1].h_outflow,vol1.ports[1].h_outflow) * 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 (28): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,6), (2,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007224/0.4479, allocations: 292.5 kB / 0.6451 GB, free: 1.035 MB / 458.7 MB Notification: Performance of simCode: created initialization part: time 0.003143/0.4511, allocations: 1.354 MB / 0.6464 GB, free: 15.63 MB / 474.7 MB Notification: Performance of simCode: created event and clocks part: time 4.088e-06/0.4511, allocations: 0 / 0.6464 GB, free: 15.63 MB / 474.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001249/0.4524, allocations: 0.552 MB / 0.647 GB, free: 15.05 MB / 474.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001815/0.4542, allocations: 360.4 kB / 0.6473 GB, free: 14.71 MB / 474.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003474/0.4577, allocations: 2.145 MB / 0.6494 GB, free: 12.5 MB / 474.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005183/0.4582, allocations: 0.9383 MB / 0.6503 GB, free: 11.53 MB / 474.7 MB Notification: Performance of simCode: alias equations: time 0.0006969/0.4589, allocations: 142 kB / 0.6505 GB, free: 11.39 MB / 474.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001454/0.4591, allocations: 55.42 kB / 0.6505 GB, free: 11.34 MB / 474.7 MB Notification: Performance of SimCode: time 3.91e-07/0.4591, allocations: 0 / 0.6505 GB, free: 11.34 MB / 474.7 MB Notification: Performance of Templates: time 0.03193/0.491, allocations: 20.51 MB / 0.6705 GB, free: 7.016 MB / 490.7 MB make -j1 -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.makefile (rm -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.sim & ./IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe 2>&1)