Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.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.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2") translateModel(BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008714/0.0008739, allocations: 98.77 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008373/0.0008374, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.159/1.159, allocations: 223.2 MB / 239.9 MB, free: 5.32 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001591/0.001591, allocations: 270.5 kB / 291.2 MB, free: 1.871 MB / 238.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:5:3-5:34:writable] Warning: Got element f_alp that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_lay but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Got element f_lay that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_loss but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Got element f_loss that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_pv but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Got element f_pv that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:2:1-34:14:writable] Warning: f_pv was referenced in the package.order file, but was not found in package.mo, f_pv/package.mo or f_pv.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.7211/0.7211, allocations: 144.6 MB / 487 MB, free: 7.184 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003551/0.0003551, allocations: 18.33 kB / 0.5683 GB, free: 38.18 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1219/0.1223, allocations: 83.08 MB / 0.6494 GB, free: 3.629 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2): time 0.00117/0.1235, allocations: 0.9949 MB / 0.6504 GB, free: 2.625 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0005251/0.124, allocations: 345.6 kB / 0.6507 GB, free: 2.289 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 1.551e-05/0.1241, allocations: 4.656 kB / 0.6507 GB, free: 2.285 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 1.504e-05/0.1241, allocations: 3.938 kB / 0.6507 GB, free: 2.281 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 2.862e-05/0.1241, allocations: 5.109 kB / 0.6507 GB, free: 2.277 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003148/0.1244, allocations: 81.48 kB / 0.6508 GB, free: 2.203 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 4.376e-05/0.1245, allocations: 15.98 kB / 0.6508 GB, free: 2.188 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 3.76e-05/0.1245, allocations: 3.984 kB / 0.6508 GB, free: 2.184 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 1.971e-05/0.1246, allocations: 8 kB / 0.6508 GB, free: 2.176 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 5.34e-05/0.1246, allocations: 19.91 kB / 0.6509 GB, free: 2.156 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 1.024e-05/0.1246, allocations: 0 / 0.6509 GB, free: 2.156 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002526/0.1249, allocations: 184.4 kB / 0.651 GB, free: 1.977 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 1.087e-05/0.1249, allocations: 3.984 kB / 0.651 GB, free: 1.973 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 2.22e-05/0.1249, allocations: 34.86 kB / 0.6511 GB, free: 1.934 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0001056/0.1251, allocations: 52.22 kB / 0.6511 GB, free: 1.883 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.974e-06/0.1251, allocations: 0 / 0.6511 GB, free: 1.883 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.142e-06/0.1251, allocations: 0.6562 kB / 0.6511 GB, free: 1.883 MB / 446.1 MB Notification: Performance of Transformations before backend: time 3.406e-06/0.1251, allocations: 0 / 0.6511 GB, free: 1.883 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 7 * Number of variables: 7 Notification: Performance of Generate backend data structure: time 0.0003292/0.1254, allocations: 352.2 kB / 0.6515 GB, free: 1.492 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.109e-05/0.1254, allocations: 12.55 kB / 0.6515 GB, free: 1.48 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 2.965e-05/0.1255, allocations: 4 kB / 0.6515 GB, free: 1.477 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 9.74e-05/0.1256, allocations: 163.6 kB / 0.6516 GB, free: 1.277 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.447e-05/0.1256, allocations: 9.75 kB / 0.6516 GB, free: 1.27 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.761e-05/0.1256, allocations: 3.938 kB / 0.6517 GB, free: 1.266 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001083/0.1257, allocations: 57.66 kB / 0.6517 GB, free: 1.203 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.616e-06/0.1258, allocations: 0 / 0.6517 GB, free: 1.203 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.307e-06/0.1258, allocations: 0.9062 kB / 0.6517 GB, free: 1.203 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.731e-06/0.1258, allocations: 4 kB / 0.6517 GB, free: 1.199 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 4.315e-05/0.1258, allocations: 16.55 kB / 0.6517 GB, free: 1.184 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001691/0.126, allocations: 174.1 kB / 0.6519 GB, free: 0.9648 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 9.394e-05/0.1261, allocations: 56.06 kB / 0.6519 GB, free: 0.9023 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 1.902e-05/0.1261, allocations: 4 kB / 0.652 GB, free: 0.8984 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.69e-05/0.1262, allocations: 31.22 kB / 0.652 GB, free: 0.8594 MB / 446.1 MB Notification: Performance of pre-optimization done (n=7): time 8.91e-07/0.1262, allocations: 0.75 kB / 0.652 GB, free: 0.8594 MB / 446.1 MB Notification: Performance of matching and sorting (n=11): time 0.0009668/0.1271, allocations: 0.5947 MB / 0.6526 GB, free: 180 kB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.496e-05/0.1272, allocations: 51.41 kB / 0.6526 GB, free: 116 kB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 4.862e-05/0.1272, allocations: 94.73 kB / 0.6527 GB, free: 12 kB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 2.842e-05/0.1273, allocations: 29.7 kB / 0.6527 GB, free: 15.98 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 3.609e-05/0.1273, allocations: 92.78 kB / 0.6528 GB, free: 15.88 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 3.09e-05/0.1274, allocations: 31.47 kB / 0.6528 GB, free: 15.85 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 5.209e-06/0.1274, allocations: 6.25 kB / 0.6529 GB, free: 15.85 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 9.366e-05/0.1275, allocations: 318.8 kB / 0.6532 GB, free: 15.53 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 3.573e-05/0.1275, allocations: 23.98 kB / 0.6532 GB, free: 15.5 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 2.998e-05/0.1275, allocations: 16 kB / 0.6532 GB, free: 15.49 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 4.513e-05/0.1276, allocations: 33.06 kB / 0.6532 GB, free: 15.46 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.61e-07/0.1276, allocations: 0 / 0.6532 GB, free: 15.46 MB / 462.1 MB Notification: Performance of matching and sorting (n=13) (initialization): time 0.0001276/0.1277, allocations: 93.58 kB / 0.6533 GB, free: 15.36 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.305e-05/0.1278, allocations: 5.5 kB / 0.6533 GB, free: 15.36 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.887e-06/0.1278, allocations: 3.938 kB / 0.6533 GB, free: 15.35 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 9.188e-06/0.1278, allocations: 0 / 0.6533 GB, free: 15.35 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.565e-05/0.1279, allocations: 31.92 kB / 0.6534 GB, free: 15.32 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.569e-06/0.1279, allocations: 0.6875 kB / 0.6534 GB, free: 15.32 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 2.144e-05/0.1279, allocations: 0 / 0.6534 GB, free: 15.32 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.098e-05/0.1279, allocations: 4.875 kB / 0.6534 GB, free: 15.32 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * 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 (13): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 7.169e-05/0.128, allocations: 118.5 kB / 0.6535 GB, free: 15.19 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.799e-06/0.128, allocations: 0 / 0.6535 GB, free: 15.19 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001632/0.1282, allocations: 115.1 kB / 0.6536 GB, free: 15.07 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.773e-06/0.1282, allocations: 0 / 0.6536 GB, free: 15.07 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.757e-06/0.1282, allocations: 0 / 0.6536 GB, free: 15.07 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.617e-06/0.1282, allocations: 0.7812 kB / 0.6536 GB, free: 15.07 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000348/0.1286, allocations: 355.1 kB / 0.6539 GB, free: 14.67 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.162e-06/0.1286, allocations: 0 / 0.6539 GB, free: 14.67 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 9.708e-05/0.1287, allocations: 25.66 kB / 0.6539 GB, free: 14.65 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.275e-06/0.1287, allocations: 0 / 0.6539 GB, free: 14.65 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.231e-05/0.1287, allocations: 11.98 kB / 0.654 GB, free: 14.64 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.303e-06/0.1287, allocations: 0 / 0.654 GB, free: 14.64 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.62e-07/0.1287, allocations: 0.625 kB / 0.654 GB, free: 14.64 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002168/0.1289, allocations: 218.5 kB / 0.6542 GB, free: 14.41 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 3.564e-05/0.129, allocations: 85.05 kB / 0.6543 GB, free: 14.31 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.305e-05/0.129, allocations: 0 / 0.6543 GB, free: 14.31 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 8.032e-05/0.1291, allocations: 3.984 kB / 0.6543 GB, free: 14.3 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.991e-05/0.1291, allocations: 11.98 kB / 0.6543 GB, free: 14.29 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.323e-06/0.1291, allocations: 4 kB / 0.6543 GB, free: 14.29 MB / 462.1 MB Notification: Performance of sorting global known variables: time 3.444e-05/0.1292, allocations: 76.69 kB / 0.6543 GB, free: 14.21 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.4e-07/0.1292, allocations: 4 kB / 0.6543 GB, free: 14.21 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0002413/0.1294, allocations: 43.92 kB / 0.6544 GB, free: 14.17 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (m_flow_comp,der_m_flow_comp) * 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 (11): * Single equations (assignments): 11 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0001735/0.1296, allocations: 124.3 kB / 0.6545 GB, free: 14.04 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.0001236/0.1297, allocations: 68.25 kB / 0.6546 GB, free: 13.97 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 3.106e-06/0.1297, allocations: 0 / 0.6546 GB, free: 13.97 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 4.15e-05/0.1298, allocations: 35.86 kB / 0.6546 GB, free: 13.94 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000128/0.1299, allocations: 8.609 kB / 0.6546 GB, free: 13.93 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00048/0.1304, allocations: 328.6 kB / 0.6549 GB, free: 13.58 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002276/0.1307, allocations: 0.6926 MB / 0.6556 GB, free: 12.86 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 4.849e-05/0.1307, allocations: 11.94 kB / 0.6556 GB, free: 12.85 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 2.151e-05/0.1307, allocations: 11.44 kB / 0.6556 GB, free: 12.84 MB / 462.1 MB Notification: Performance of SimCode: time 2.3e-07/0.1307, allocations: 0 / 0.6556 GB, free: 12.84 MB / 462.1 MB Notification: Performance of Templates: time 0.002579/0.1333, allocations: 0.8945 MB / 0.6565 GB, free: 11.97 MB / 462.1 MB make -j1 -f BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.makefile Environment - environmentSimulation: (rm -f BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.sim & ./BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2 -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_dp_DerivativeCheck2.pipe 2>&1) Environment - environmentSimulation: